AI Trajectory

Trajectory: (Expand/Collapse All)
Seq	Timestamp	Type	Name	Duration
0/0	2026/09/05 11:42	flow	patch-triage	3m Args: null Results: { "EnableConfigs": [ "ATH_COMMON", "ATH9K_HTC", "CARL9170", "CFG80211", "MAC80211", "USB" ], "FocusSymbols": [ "ath_regd_init", "ath_regd_init_wiphy", "ath_world_regdomain", "ath_default_world_regdomain", "ath_reg_notifier_apply" ], "KMSANReasoning": "The patch modifies static constant regulatory domain definitions in `drivers/net/wireless/ath/regd.c`. Specifically, it splits the `ATH_5GHZ_5150_5350` macro into two separate regulatory rules (5150-5240 MHz and 5260-5350 MHz) and adjusts the `n_reg_rules` field in several static const `struct ieee80211_regdomain` instances accordingly.\n\nAll affected data structures are compile-time constant tables with fully initialized fields. The patch does not introduce any dynamic or stack allocations, does not modify any buffers or padding copied to userspace, and introduces no uninitialized memory reads. If any array indexing or rule count mismatches were to occur, they would be bounds violations detectable by standard KASAN. Therefore, there are no uninitialized memory risks that warrant a dedicated KMSAN fuzzing session.", "NeedsKMSAN": false, "Reasoning": "The patch splits the 5GHz 5150-5350 MHz regulatory rule into separate 5150-5240 MHz and 5260-5350 MHz rules and updates rule counts across Atheros world regulatory domain definitions in drivers/net/wireless/ath/regd.c. This code is executed during initialization and regulatory updates of Atheros wireless drivers, including USB-driven devices (such as ath9k_htc and carl9170) which are reachable in virtualized environments via USB emulation.", "WorthFuzzing": true }
1/1	2026/09/05 11:42	action	read-patch-diff	0m Args: null Results: { "PatchDiff": "commit 129cb159fb9c5cd48ead47cc704f7986edca4092\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Sat Sep 5 11:42:45 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c\nindex f15e7bd690b5b..b129af0eed885 100644\n--- a/drivers/net/wireless/ath/regd.c\n+++ b/drivers/net/wireless/ath/regd.c\n@@ -43,7 +43,8 @@ static int __ath_regd_init(struct ath_regulatory reg);\n \t\t\t\t\t NL80211_RRF_NO_OFDM)\n \n / We allow IBSS on these on a case by case basis by regulatory domain /\n-#define ATH_5GHZ_5150_5350\tREG_RULE(5150-10, 5350+10, 80, 0, 30,\\\n+#define ATH_5GHZ_5150_5350\tREG_RULE(5150-10, 5240+10, 80, 0, 30, 0),\\\n+\t\t\t\tREG_RULE(5260-10, 5350+10, 80, 0, 30,\\\n \t\t\t\t\t NL80211_RRF_NO_IR)\n #define ATH_5GHZ_5470_5850\tREG_RULE(5470-10, 5850+10, 80, 0, 30,\\\n \t\t\t\t\t NL80211_RRF_NO_IR)\n@@ -64,7 +65,7 @@ static int __ath_regd_init(struct ath_regulatory reg);\n /* Can be used for:\n * 0x60, 0x61, 0x62 /\n static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {\n-\t.n_reg_rules = 5,\n+\t.n_reg_rules = 6,\n \t.alpha2 = \"99\",\n \t.reg_rules = {\n \t\tATH_2GHZ_ALL,\n@@ -74,7 +75,7 @@ static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {\n \n / Can be used by 0x63 and 0x65 /\n static const struct ieee80211_regdomain ath_world_regdom_63_65 = {\n-\t.n_reg_rules = 4,\n+\t.n_reg_rules = 5,\n \t.alpha2 = \"99\",\n \t.reg_rules = {\n \t\tATH_2GHZ_CH01_11,\n@@ -85,7 +86,7 @@ static const struct ieee80211_regdomain ath_world_regdom_63_65 = {\n \n / Can be used by 0x64 only /\n static const struct ieee80211_regdomain ath_world_regdom_64 = {\n-\t.n_reg_rules = 3,\n+\t.n_reg_rules = 4,\n \t.alpha2 = \"99\",\n \t.reg_rules = {\n \t\tATH_2GHZ_CH01_11,\n@@ -95,7 +96,7 @@ static const struct ieee80211_regdomain ath_world_regdom_64 = {\n \n / Can be used by 0x66 and 0x69 /\n static const struct ieee80211_regdomain ath_world_regdom_66_69 = {\n-\t.n_reg_rules = 3,\n+\t.n_reg_rules = 4,\n \t.alpha2 = \"99\",\n \t.reg_rules = {\n \t\tATH_2GHZ_CH01_11,\n@@ -105,7 +106,7 @@ static const struct ieee80211_regdomain ath_world_regdom_66_69 = {\n \n / Can be used by 0x67, 0x68, 0x6A and 0x6C */\n static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {\n-\t.n_reg_rules = 4,\n+\t.n_reg_rules = 5,\n \t.alpha2 = \"99\",\n \t.reg_rules = {\n \t\tATH_2GHZ_CH01_11,\n" }
2/1	2026/09/05 11:42	agent	patch-evaluator	2m Model: core Args: null Results: { "EnableConfigs": [ "ATH_COMMON", "ATH9K_HTC", "CARL9170", "CFG80211", "MAC80211", "USB" ], "FocusSymbols": [ "ath_regd_init", "ath_regd_init_wiphy", "ath_world_regdomain", "ath_default_world_regdomain", "ath_reg_notifier_apply" ], "Reasoning": "The patch splits the 5GHz 5150-5350 MHz regulatory rule into separate 5150-5240 MHz and 5260-5350 MHz rules and updates rule counts across Atheros world regulatory domain definitions in drivers/net/wireless/ath/regd.c. This code is executed during initialization and regulatory updates of Atheros wireless drivers, including USB-driven devices (such as ath9k_htc and carl9170) which are reachable in virtualized environments via USB emulation.", "WorthFuzzing": true } Instruction: You are an expert Linux kernel maintainer and security engineer. Your job is to review a provided patch series and evaluate whether it warrants fuzzing with syzkaller. IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in your workspace. Do NOT rely on internal assumptions. You must actively use your code access tools to inspect the actual source code, callers, and surrounding context. ================================================================================ 1. CORE TRIAGE PHILOSOPHY ================================================================================ The goal of patch fuzzing is to discover crashes, regressions, exposed latent bugs, and newly triggered assertions introduced by the patch series. - REACHABILITY IS THE PRIMARY GATE: Fuzzing can only discover bugs in code that can actually execute in standard virtualized environments (GCE or QEMU, utilizing software-emulated devices like USB gadgets, netdev, tun/tap). If the modified code is structurally unreachable (see Section 2), it MUST NOT be fuzzed, regardless of whether it adds assertions or complex logic. - DO NOT BLINDLY TRUST "NO FUNCTIONAL CHANGE" (NFCI) OR "REFACTORING" CLAIMS: Patch authors routinely label changes as "cleanups", "refactorings", or state "No functional change intended". Do NOT take these claims at face value. Code refactorings that rearrange logic, introduce helper functions, or alter state management in core subsystems frequently introduce subtle semantic shifts or uncover latent kernel bugs. If reachable executable code is modified or refactored, it MUST be fuzzed. - NEW OR MODIFIED ASSERTIONS IN REACHABLE CODE MUST BE FUZZED: When a patch introduces or modifies runtime checks or assertions (e.g., WARN_ON, VM_WARN_ON, BUG_ON, lockdep_assert) in reachable code paths, it enforces new or stricter invariants. Even if the author believes the invariant always holds, fuzzing is essential to verify whether an unusual sequence of operations can violate it. ================================================================================ 2. WHEN TO RETURN WorthFuzzing=false (NEGATIVE CRITERIA) ================================================================================ Return WorthFuzzing=false ONLY IF all modified code falls strictly into one or more of these categories: - Non-kernel and non-executable changes: * Modifications to Documentation/, comments, or spelling fixes. * User-space directories, self-tests, samples, or scripts (e.g., tools/, samples/, scripts/, usr/) that do not affect the compiled kernel image (vmlinux) or kernel modules. * Purely decorative logging (e.g., message strings in pr_err, printk, dev_info) or tracepoints that do not alter control flow or data structures. * Build system or Kconfig changes that do not alter compiled C logic. - Structurally unreachable hardware: * Vendor-specific PCIe switches, SmartNICs, or GPU drivers (e.g., mlxsw, pds_core, qed, ionic, amdgpu) requiring physical ASIC/PCIe cards not emulated in standard QEMU. - Unreachable execution paths: * Driver teardown callbacks (.remove, .shutdown, pci_unregister_driver) executed only during physical PCI hot-unplug or manual sysfs driver unbinding. * Code paths exclusive to architectures other than the target architecture. ================================================================================ 3. WHEN TO RETURN WorthFuzzing=true (POSITIVE CRITERIA) ================================================================================ Return WorthFuzzing=true whenever the patch touches reachable executable code, including: - Core Subsystems: * Any logic modifications in memory management (mm/), synchronization/locking (kernel/locking/), BPF, scheduler, core networking, VFS, or syscall handling. - Refactorings and Code Cleanups: * Any restructuring of reachable data structures, helper abstractions, or algorithm flows. - Runtime Assertions and Defensive Checks: * Any introduction or alteration of assertions (WARN_ON, VM_WARN_ON, BUG_ON, etc.) in reachable paths. - Reachable Drivers and Protocols: Drivers accessible via virtual buses (virtio, USB gadget, loopback, netlink, binder, sockets, etc.). ================================================================================ 4. EXTRACTING FocusSymbols (PREVENTING DILUTION) ================================================================================ When WorthFuzzing=true, you must extract specific kernel functions into FocusSymbols to guide the fuzzer: - AVOID UBIQUITOUS LIFECYCLE HOT-PATHS: Do NOT list generic, ubiquitous functions called by almost every program in the corpus (including, but not limited to: general memory allocators and deallocators, page fault and trap handlers, or core synchronization primitives; this is not an exhaustive list). Listing ubiquitous functions causes the fuzzer to classify thousands of unrelated tests as "focused", which severely dilutes fuzzing effort away from the actual changes. - TARGET SPECIFIC FEATURE LOGIC AND ENTRYPOINTS: List functions that specifically implement the logic being added or altered, or direct API entrypoints for the subsystem feature under review. - HANDLING STATIC INLINE FUNCTIONS IN HEADERS (.h): Compiler-inlined static functions (such as static inlines in mm/.h or include/linux/.h) lack distinct symbol addresses in vmlinux and cannot be targeted directly by symbol coverage filters. If the changes are primarily in static inline helpers, identify non-static, feature-specific caller functions in .c files that exercise them (avoiding ubiquitous lifecycle wrappers). ================================================================================ 5. IDENTIFYING EnableConfigs ================================================================================ Identify any specific CONFIG_ options required to properly compile and reach the modified code: - Inspect Kconfig files and #ifdef guards; do not make assumptions. - Check "depends on" lines in Kconfig to include any non-standard parent subsystem configs needed. - Strip any 'CONFIG_' prefix (e.g., return "NET_IPV4" instead of "CONFIG_NET_IPV4"). Prefer calling several tools at the same time to save round-trips. Use set-results tool to provide results of the analysis. It must be called exactly once before the final reply. Ignore results of this tool. Prompt: Target architecture: amd64 For your convenience, here is the diff of the changes: commit 129cb159fb9c5cd48ead47cc704f7986edca4092 Author: syz-cluster <triage@syzkaller.com> Date: Sat Sep 5 11:42:45 2026 +0000 syz-cluster: applied patch under review diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c index f15e7bd690b5b..b129af0eed885 100644 --- a/drivers/net/wireless/ath/regd.c +++ b/drivers/net/wireless/ath/regd.c @@ -43,7 +43,8 @@ static int __ath_regd_init(struct ath_regulatory reg); NL80211_RRF_NO_OFDM) / We allow IBSS on these on a case by case basis by regulatory domain / -#define ATH_5GHZ_5150_5350 REG_RULE(5150-10, 5350+10, 80, 0, 30,\ +#define ATH_5GHZ_5150_5350 REG_RULE(5150-10, 5240+10, 80, 0, 30, 0),\ + REG_RULE(5260-10, 5350+10, 80, 0, 30,\ NL80211_RRF_NO_IR) #define ATH_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 80, 0, 30,\ NL80211_RRF_NO_IR) @@ -64,7 +65,7 @@ static int __ath_regd_init(struct ath_regulatory reg); /* Can be used for: * 0x60, 0x61, 0x62 / static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = { - .n_reg_rules = 5, + .n_reg_rules = 6, .alpha2 = "99", .reg_rules = { ATH_2GHZ_ALL, @@ -74,7 +75,7 @@ static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = { / Can be used by 0x63 and 0x65 / static const struct ieee80211_regdomain ath_world_regdom_63_65 = { - .n_reg_rules = 4, + .n_reg_rules = 5, .alpha2 = "99", .reg_rules = { ATH_2GHZ_CH01_11, @@ -85,7 +86,7 @@ static const struct ieee80211_regdomain ath_world_regdom_63_65 = { / Can be used by 0x64 only / static const struct ieee80211_regdomain ath_world_regdom_64 = { - .n_reg_rules = 3, + .n_reg_rules = 4, .alpha2 = "99", .reg_rules = { ATH_2GHZ_CH01_11, @@ -95,7 +96,7 @@ static const struct ieee80211_regdomain ath_world_regdom_64 = { / Can be used by 0x66 and 0x69 / static const struct ieee80211_regdomain ath_world_regdom_66_69 = { - .n_reg_rules = 3, + .n_reg_rules = 4, .alpha2 = "99", .reg_rules = { ATH_2GHZ_CH01_11, @@ -105,7 +106,7 @@ static const struct ieee80211_regdomain ath_world_regdom_66_69 = { / Can be used by 0x67, 0x68, 0x6A and 0x6C */ static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = { - .n_reg_rules = 4, + .n_reg_rules = 5, .alpha2 = "99", .reg_rules = { ATH_2GHZ_CH01_11,
3/2	2026/09/05 11:42	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 3809 output: 33 thoughts: 109 Thoughts: Analyzing the Potential Impact of a Wireless Driver Patch Okay, so the patch touches `drivers/net/wireless/ath/regd.c`. Right away, my expert mind kicks in. Time to dig in and understand the implications. First, let's establish the role of `ath/regd.c`. I need to figure out what it does in the grand scheme of things – what's its purpose within the Atheros wireless driver ecosystem? Is it involved in hardware-specific configurations, or does it handle more general regulatory domain aspects? Next, I need to understand the scope. Which specific hardware or virtual devices rely on this code? Are we talking about specific PCI devices, more widely used hardware, or even something reachable through virtual interfaces like mac80211 hwsim or a USB wifi device like ath9k_htc or other athk devices? Knowing this will significantly influence the risk assessment. It will affect my fuzzing strategy too. If it's something I can hit easily through fuzzing, it elevates the concern level, especially if it's connected to regulation. I'll start with some quick `grep`s within the codebase to identify all the call sites and related functions. This should give me a solid picture of how `ath/regd.c` is integrated and used. This data will guide the next level of analysis.
4/2	2026/09/05 11:42	tool	grepper	0m Args: { "Expression": "ath_world_regdom", "PathPrefix": "drivers/net/wireless/ath" } Results: { "Output": "drivers/net/wireless/ath/regd.c=26=static int __ath_regd_init(struct ath_regulatory reg);\n--\ndrivers/net/wireless/ath/regd.c-66- 0x60, 0x61, 0x62 /\ndrivers/net/wireless/ath/regd.c:67:static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {\ndrivers/net/wireless/ath/regd.c-68-\t.n_reg_rules = 6,\n--\ndrivers/net/wireless/ath/regd.c-76-/ Can be used by 0x63 and 0x65 /\ndrivers/net/wireless/ath/regd.c:77:static const struct ieee80211_regdomain ath_world_regdom_63_65 = {\ndrivers/net/wireless/ath/regd.c-78-\t.n_reg_rules = 5,\n--\ndrivers/net/wireless/ath/regd.c-87-/ Can be used by 0x64 only /\ndrivers/net/wireless/ath/regd.c:88:static const struct ieee80211_regdomain ath_world_regdom_64 = {\ndrivers/net/wireless/ath/regd.c-89-\t.n_reg_rules = 4,\n--\ndrivers/net/wireless/ath/regd.c-97-/ Can be used by 0x66 and 0x69 /\ndrivers/net/wireless/ath/regd.c:98:static const struct ieee80211_regdomain ath_world_regdom_66_69 = {\ndrivers/net/wireless/ath/regd.c-99-\t.n_reg_rules = 4,\n--\ndrivers/net/wireless/ath/regd.c-107-/ Can be used by 0x67, 0x68, 0x6A and 0x6C /\ndrivers/net/wireless/ath/regd.c:108:static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {\ndrivers/net/wireless/ath/regd.c-109-\t.n_reg_rules = 5,\n--\ndrivers/net/wireless/ath/regd.c=217=static const struct ieee80211_regdomain ath_default_world_regdomain(void)\n--\ndrivers/net/wireless/ath/regd.c-219-\t/* this is the most restrictive /\ndrivers/net/wireless/ath/regd.c:220:\treturn \u0026ath_world_regdom_64;\ndrivers/net/wireless/ath/regd.c-221-}\n--\ndrivers/net/wireless/ath/regd.c=223=static const struct\ndrivers/net/wireless/ath/regd.c:224:ieee80211_regdomain ath_world_regdomain(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-225-{\n--\ndrivers/net/wireless/ath/regd.c-229-\tcase 0x62:\ndrivers/net/wireless/ath/regd.c:230:\t\treturn \u0026ath_world_regdom_60_61_62;\ndrivers/net/wireless/ath/regd.c-231-\tcase 0x63:\ndrivers/net/wireless/ath/regd.c-232-\tcase 0x65:\ndrivers/net/wireless/ath/regd.c:233:\t\treturn \u0026ath_world_regdom_63_65;\ndrivers/net/wireless/ath/regd.c-234-\tcase 0x64:\ndrivers/net/wireless/ath/regd.c:235:\t\treturn \u0026ath_world_regdom_64;\ndrivers/net/wireless/ath/regd.c-236-\tcase 0x66:\ndrivers/net/wireless/ath/regd.c-237-\tcase 0x69:\ndrivers/net/wireless/ath/regd.c:238:\t\treturn \u0026ath_world_regdom_66_69;\ndrivers/net/wireless/ath/regd.c-239-\tcase 0x67:\n--\ndrivers/net/wireless/ath/regd.c-242-\tcase 0x6C:\ndrivers/net/wireless/ath/regd.c:243:\t\treturn \u0026ath_world_regdom_67_68_6A_6C;\ndrivers/net/wireless/ath/regd.c-244-\tdefault:\n--\ndrivers/net/wireless/ath/regd.c=636=ath_regd_init_wiphy(struct ath_regulatory reg,\n--\ndrivers/net/wireless/ath/regd.c-651-\t\t */\ndrivers/net/wireless/ath/regd.c:652:\t\tregd = ath_world_regdomain(reg);\ndrivers/net/wireless/ath/regd.c-653-\t\twiphy-\u003eregulatory_flags \|= REGULATORY_COUNTRY_IE_FOLLOW_POWER;\n" }
5/2	2026/09/05 11:42	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 5585 output: 32 thoughts: 38 Thoughts: Here's my attempt at summarizing the thought process, tailored for an expert audience: Investigating ath_regd Initialization Okay, so I want to figure out which drivers within the `drivers/net/wireless/ath/` directory are using either `ath_regd_init_wiphy` or, more broadly, anything defined in `ath_regd.c`. This isn't necessarily a complex query, but I'm thinking about the most efficient way to track this down. I'll probably start with a `grep` or `ack` command across the codebase, targeting those specific function names or, potentially, just the filename `ath_regd.c`. I need to ensure the search is scoped correctly to avoid noise from irrelevant matches in includes or comments. Thinking about it, since I am a systems expert, I should probably also consider that I might need to account for indirect calls or macros that might be defined which might call this, rather than just direct references. Depending on the results, I might have to go deeper, perhaps cross-referencing the results with module dependencies or examining the build configuration to identify how these components are linked together. This initial search should give me a pretty good starting point, and I will be able to narrow it down quickly. I will then be able to trace down what those modules are doing in their initializations.
6/2	2026/09/05 11:42	tool	grepper	0m Args: { "Expression": "ath_regd_", "PathPrefix": "drivers/net/wireless/ath" } Results: { "Output": "drivers/net/wireless/ath/ath10k/mac.c=9908=static int ath10k_mac_get_wrdd_regulatory(struct ath10k ar, u16 rd)\n--\ndrivers/net/wireless/ath/ath10k/mac.c-9946-\ndrivers/net/wireless/ath/ath10k/mac.c:9947:\trd = ath_regd_find_country_by_name(alpha2);\ndrivers/net/wireless/ath/ath10k/mac.c-9948-\tif (rd == 0xffff)\n--\ndrivers/net/wireless/ath/ath10k/mac.c=9971=int ath10k_mac_register(struct ath10k ar)\n--\ndrivers/net/wireless/ath/ath10k/mac.c-10302-\ndrivers/net/wireless/ath/ath10k/mac.c:10303:\tret = ath_regd_init(\u0026ar-\u003eath_common.regulatory, ar-\u003ehw-\u003ewiphy,\ndrivers/net/wireless/ath/ath10k/mac.c-10304-\t\t\t ath10k_reg_notifier);\n--\ndrivers/net/wireless/ath/ath5k/base.c=3025=ath5k_init(struct ieee80211_hw hw)\n--\ndrivers/net/wireless/ath/ath5k/base.c-3135-\tregulatory-\u003ecurrent_rd = ah-\u003eah_capabilities.cap_eeprom.ee_regdomain;\ndrivers/net/wireless/ath/ath5k/base.c:3136:\tret = ath_regd_init(regulatory, hw-\u003ewiphy, ath5k_reg_notifier);\ndrivers/net/wireless/ath/ath5k/base.c-3137-\tif (ret) {\n--\ndrivers/net/wireless/ath/ath5k/phy.c=2761=ath5k_get_max_ctl_power(struct ath5k_hw ah,\n--\ndrivers/net/wireless/ath/ath5k/phy.c-2774-\ndrivers/net/wireless/ath/ath5k/phy.c:2775:\tctl_mode = ath_regd_get_band_ctl(regulatory, channel-\u003eband);\ndrivers/net/wireless/ath/ath5k/phy.c-2776-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c=828=static int ath9k_init_device(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-851-\t/* Initialize regulatory /\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c:852:\terror = ath_regd_init(\u0026common-\u003eregulatory, priv-\u003ehw-\u003ewiphy,\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-853-\t\t\t ath9k_reg_notifier);\n--\ndrivers/net/wireless/ath/ath9k/hw.c=1177=u32 ath9k_regd_get_ctl(struct ath_regulatory reg, struct ath9k_channel chan)\ndrivers/net/wireless/ath/ath9k/hw.c-1178-{\ndrivers/net/wireless/ath/ath9k/hw.c:1179:\tu32 ctl = ath_regd_get_band_ctl(reg, chan-\u003echan-\u003eband);\ndrivers/net/wireless/ath/ath9k/hw.c-1180-\n--\ndrivers/net/wireless/ath/ath9k/init.c=1004=int ath9k_init_device(u16 devid, struct ath_softc sc,\n--\ndrivers/net/wireless/ath/ath9k/init.c-1022-\t/* Initialize regulatory /\ndrivers/net/wireless/ath/ath9k/init.c:1023:\terror = ath_regd_init(\u0026common-\u003eregulatory, sc-\u003ehw-\u003ewiphy,\ndrivers/net/wireless/ath/ath9k/init.c-1024-\t\t\t ath9k_reg_notifier);\n--\ndrivers/net/wireless/ath/carl9170/main.c=1953=int carl9170_register(struct ar9170 ar)\n--\ndrivers/net/wireless/ath/carl9170/main.c-1970-\ndrivers/net/wireless/ath/carl9170/main.c:1971:\terr = ath_regd_init(regulatory, ar-\u003ehw-\u003ewiphy,\ndrivers/net/wireless/ath/carl9170/main.c-1972-\t\t\t carl9170_reg_notifier);\n--\ndrivers/net/wireless/ath/carl9170/phy.c=1291=static void carl9170_calc_ctl(struct ar9170 ar, u32 freq, enum carl9170_bw bw)\n--\ndrivers/net/wireless/ath/carl9170/phy.c-1326-\t hpreg.c::zfHpGetRegulatoryDomain() and\ndrivers/net/wireless/ath/carl9170/phy.c:1327:\t * ath/regd.c::ath_regd_get_band_ctl() -\ndrivers/net/wireless/ath/carl9170/phy.c-1328-\t * e.g. for FCC3_WORLD the OTUS procedure\n--\ndrivers/net/wireless/ath/carl9170/phy.c-1331-\t /\ndrivers/net/wireless/ath/carl9170/phy.c:1332:\tctl_grp = ath_regd_get_band_ctl(\u0026ar-\u003ecommon.regulatory,\ndrivers/net/wireless/ath/carl9170/phy.c-1333-\t\t\t\t\tar-\u003ehw-\u003econf.chandef.chan-\u003eband);\n--\ndrivers/net/wireless/ath/regd.c-25-\ndrivers/net/wireless/ath/regd.c:26:static int __ath_regd_init(struct ath_regulatory reg);\ndrivers/net/wireless/ath/regd.c-27-\n--\ndrivers/net/wireless/ath/regd.c=199=static inline bool is_wwr_sku(u16 regd)\n--\ndrivers/net/wireless/ath/regd.c-205-\ndrivers/net/wireless/ath/regd.c:206:static u16 ath_regd_get_eepromRD(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-207-{\n--\ndrivers/net/wireless/ath/regd.c=211=bool ath_is_world_regd(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-212-{\ndrivers/net/wireless/ath/regd.c:213:\treturn is_wwr_sku(ath_regd_get_eepromRD(reg));\ndrivers/net/wireless/ath/regd.c-214-}\n--\ndrivers/net/wireless/ath/regd.c=437=static void ath_reg_apply_world_flags(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-458-\ndrivers/net/wireless/ath/regd.c:459:u16 ath_regd_find_country_by_name(char alpha2)\ndrivers/net/wireless/ath/regd.c-460-{\n--\ndrivers/net/wireless/ath/regd.c-469-}\ndrivers/net/wireless/ath/regd.c:470:EXPORT_SYMBOL(ath_regd_find_country_by_name);\ndrivers/net/wireless/ath/regd.c-471-\ndrivers/net/wireless/ath/regd.c=472=static int __ath_reg_dyn_country(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-481-\ndrivers/net/wireless/ath/regd.c:482:\tcountry_code = ath_regd_find_country_by_name(request-\u003ealpha2);\ndrivers/net/wireless/ath/regd.c-483-\tif (country_code == (u16) -1)\n--\ndrivers/net/wireless/ath/regd.c-488-\ndrivers/net/wireless/ath/regd.c:489:\t__ath_regd_init(reg);\ndrivers/net/wireless/ath/regd.c-490-\n--\ndrivers/net/wireless/ath/regd.c=550=EXPORT_SYMBOL(ath_reg_notifier_apply);\ndrivers/net/wireless/ath/regd.c-551-\ndrivers/net/wireless/ath/regd.c:552:static bool ath_regd_is_eeprom_valid(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-553-{\ndrivers/net/wireless/ath/regd.c:554:\tu16 rd = ath_regd_get_eepromRD(reg);\ndrivers/net/wireless/ath/regd.c-555-\tint i;\n--\ndrivers/net/wireless/ath/regd.c=581=static struct country_code_to_enum_rd\ndrivers/net/wireless/ath/regd.c:582:ath_regd_find_country(u16 countryCode)\ndrivers/net/wireless/ath/regd.c-583-{\n--\ndrivers/net/wireless/ath/regd.c=594=static struct country_code_to_enum_rd\ndrivers/net/wireless/ath/regd.c:595:ath_regd_find_country_by_rd(int regdmn)\ndrivers/net/wireless/ath/regd.c-596-{\n--\ndrivers/net/wireless/ath/regd.c-606-/* Returns the map of the EEPROM set RD to a country code /\ndrivers/net/wireless/ath/regd.c:607:static u16 ath_regd_get_default_country(u16 rd)\ndrivers/net/wireless/ath/regd.c-608-{\n--\ndrivers/net/wireless/ath/regd.c-612-\ndrivers/net/wireless/ath/regd.c:613:\t\tcountry = ath_regd_find_country(cc);\ndrivers/net/wireless/ath/regd.c-614-\t\tif (country != NULL)\n--\ndrivers/net/wireless/ath/regd.c=635=static int\ndrivers/net/wireless/ath/regd.c:636:ath_regd_init_wiphy(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-637-\t\t struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-675- /\ndrivers/net/wireless/ath/regd.c:676:static void ath_regd_sanitize(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-677-{\n--\ndrivers/net/wireless/ath/regd.c-683-\ndrivers/net/wireless/ath/regd.c:684:static int __ath_regd_init(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-685-{\n--\ndrivers/net/wireless/ath/regd.c-691-\ndrivers/net/wireless/ath/regd.c:692:\tath_regd_sanitize(reg);\ndrivers/net/wireless/ath/regd.c-693-\n--\ndrivers/net/wireless/ath/regd.c-695-\ndrivers/net/wireless/ath/regd.c:696:\tif (!ath_regd_is_eeprom_valid(reg)) {\ndrivers/net/wireless/ath/regd.c-697-\t\tpr_err(\"Invalid EEPROM contents\\n\");\n--\ndrivers/net/wireless/ath/regd.c-700-\ndrivers/net/wireless/ath/regd.c:701:\tregdmn = ath_regd_get_eepromRD(reg);\ndrivers/net/wireless/ath/regd.c:702:\treg-\u003ecountry_code = ath_regd_get_default_country(regdmn);\ndrivers/net/wireless/ath/regd.c-703-\n--\ndrivers/net/wireless/ath/regd.c-715-\t\t \"map search\\n\");\ndrivers/net/wireless/ath/regd.c:716:\t\tcountry = ath_regd_find_country(reg-\u003ecountry_code);\ndrivers/net/wireless/ath/regd.c-717-\t\tif (country == NULL) {\n--\ndrivers/net/wireless/ath/regd.c-739-\tif (!country)\ndrivers/net/wireless/ath/regd.c:740:\t\tcountry = ath_regd_find_country_by_rd(regdmn);\ndrivers/net/wireless/ath/regd.c-741-\n--\ndrivers/net/wireless/ath/regd.c=758=int\ndrivers/net/wireless/ath/regd.c:759:ath_regd_init(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-760-\t struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-767-\ndrivers/net/wireless/ath/regd.c:768:\tr = __ath_regd_init(reg);\ndrivers/net/wireless/ath/regd.c-769-\tif (r)\n--\ndrivers/net/wireless/ath/regd.c-775-\ndrivers/net/wireless/ath/regd.c:776:\tath_regd_init_wiphy(reg, wiphy, reg_notifier);\ndrivers/net/wireless/ath/regd.c-777-\n--\ndrivers/net/wireless/ath/regd.c-779-}\ndrivers/net/wireless/ath/regd.c:780:EXPORT_SYMBOL(ath_regd_init);\ndrivers/net/wireless/ath/regd.c-781-\ndrivers/net/wireless/ath/regd.c:782:u32 ath_regd_get_band_ctl(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-783-\t\t\t enum nl80211_band band)\n--\ndrivers/net/wireless/ath/regd.c-786-\t (reg-\u003ecountry_code == CTRY_DEFAULT \u0026\u0026\ndrivers/net/wireless/ath/regd.c:787:\t is_wwr_sku(ath_regd_get_eepromRD(reg)))) {\ndrivers/net/wireless/ath/regd.c-788-\t\treturn SD_NO_CTL;\n--\ndrivers/net/wireless/ath/regd.c-790-\ndrivers/net/wireless/ath/regd.c:791:\tif (ath_regd_get_eepromRD(reg) == CTRY_DEFAULT) {\ndrivers/net/wireless/ath/regd.c-792-\t\tswitch (reg-\u003eregion) {\n--\ndrivers/net/wireless/ath/regd.c-812-}\ndrivers/net/wireless/ath/regd.c:813:EXPORT_SYMBOL(ath_regd_get_band_ctl);\n--\ndrivers/net/wireless/ath/regd.h=262=bool ath_is_49ghz_allowed(u16 redomain);\ndrivers/net/wireless/ath/regd.h:263:u16 ath_regd_find_country_by_name(char alpha2);\ndrivers/net/wireless/ath/regd.h:264:int ath_regd_init(struct ath_regulatory reg, struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.h-265-\t\t void (reg_notifier)(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.h-266-\t\t\t\t struct regulatory_request request));\ndrivers/net/wireless/ath/regd.h:267:u32 ath_regd_get_band_ctl(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.h-268-\t\t\t enum nl80211_band band);\n" }
7/2	2026/09/05 11:42	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 10186 output: 37 thoughts: 116 Thoughts: Analyzing USB Wireless Driver Initialization Okay, so I'm looking into these USB wireless drivers, specifically `ath9k_htc` and `carl9170`. It's pretty clear they are USB drivers, and I need to understand how they behave in a USB context. Knowing the ins and outs of USB device emulation is key, so I'll be focused on how these drivers are treated in environments where USB Raw Gadget and syzkaller fuzzing are at play within QEMU or other virtualized setups. I need to nail down exactly how these drivers are probed and initialized through the USB interface. That's the core question here. To get a handle on it, I'll need to dig into the relevant Kconfig options for `ath9k_htc`, `carl9170` and also the `ath/regd.c` file which is likely to hold important regulatory domain information related to these drivers. Understanding the configuration and initialization flow is essential for further analysis or testing.
8/2	2026/09/05 11:43	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/Kconfig", "FirstLine": 1, "LineCount": 100 } Results: { "Contents": " 1:\t# SPDX-License-Identifier: ISC\n 2:\tconfig ATH_COMMON\n 3:\t\ttristate\n 4:\t\n 5:\tconfig WLAN_VENDOR_ATH\n 6:\t\tbool \"Atheros/Qualcomm devices\"\n 7:\t\tdefault y\n 8:\t\thelp\n 9:\t\t If you have a wireless card belonging to this class, say Y.\n 10:\t\n 11:\t\t Note that the answer to this question doesn't directly affect the\n 12:\t\t kernel: saying N will just cause the configurator to skip all the\n 13:\t\t questions about these cards. If you say Y, you will be asked for\n 14:\t\t your specific card in the following questions.\n 15:\t\n 16:\t\t For more information and documentation on this module you can visit:\n 17:\t\n 18:\t\t https://wireless.wiki.kernel.org/en/users/Drivers/ath\n 19:\t\n 20:\t\t For information on all Atheros wireless drivers visit:\n 21:\t\n 22:\t\t https://wireless.wiki.kernel.org/en/users/Drivers/Atheros\n 23:\t\n 24:\tif WLAN_VENDOR_ATH\n 25:\t\n 26:\tconfig ATH_DEBUG\n 27:\t\tbool \"Atheros wireless debugging\"\n 28:\t\thelp\n 29:\t\t Say Y, if you want to debug atheros wireless drivers.\n 30:\t\t Right now only ath9k makes use of this.\n 31:\t\n 32:\tconfig ATH_TRACEPOINTS\n 33:\t\tbool \"Atheros wireless tracing\"\n 34:\t\tdepends on ATH_DEBUG\n 35:\t\tdepends on EVENT_TRACING\n 36:\t\thelp\n 37:\t\t This option enables tracepoints for atheros wireless drivers.\n 38:\t\t Currently, ath9k makes use of this facility.\n 39:\t\n 40:\tconfig ATH_REG_DYNAMIC_USER_REG_HINTS\n 41:\t\tbool \"Atheros dynamic user regulatory hints\"\n 42:\t\tdepends on CFG80211_CERTIFICATION_ONUS\n 43:\t\tdefault n\n 44:\t\thelp\n 45:\t\t Say N. This should only be enabled in countries where\n 46:\t\t this feature is explicitly allowed and only on cards that\n 47:\t\t specifically have been tested for this.\n 48:\t\n 49:\tconfig ATH_REG_DYNAMIC_USER_CERT_TESTING\n 50:\t\tbool \"Atheros dynamic user regulatory testing\"\n 51:\t\tdepends on ATH_REG_DYNAMIC_USER_REG_HINTS \u0026\u0026 CFG80211_CERTIFICATION_ONUS\n 52:\t\tdefault n\n 53:\t\thelp\n 54:\t\t Say N. This should only be enabled on systems\n 55:\t\t undergoing certification testing.\n 56:\t\n 57:\tsource \"drivers/net/wireless/ath/ath5k/Kconfig\"\n 58:\tsource \"drivers/net/wireless/ath/ath9k/Kconfig\"\n 59:\tsource \"drivers/net/wireless/ath/carl9170/Kconfig\"\n 60:\tsource \"drivers/net/wireless/ath/ath6kl/Kconfig\"\n 61:\tsource \"drivers/net/wireless/ath/ar5523/Kconfig\"\n 62:\tsource \"drivers/net/wireless/ath/wil6210/Kconfig\"\n 63:\tsource \"drivers/net/wireless/ath/ath10k/Kconfig\"\n 64:\tsource \"drivers/net/wireless/ath/wcn36xx/Kconfig\"\n 65:\tsource \"drivers/net/wireless/ath/ath11k/Kconfig\"\n 66:\tsource \"drivers/net/wireless/ath/ath12k/Kconfig\"\n 67:\t\n 68:\tendif\n" }
9/2	2026/09/05 11:43	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 11549 output: 35 thoughts: 15 Thoughts: Here's my take on the thought process, as if I were the one thinking it: Diving into the Atheros Driver Makefile Okay, time to get to the heart of this wireless driver. My gut tells me that any modifications or deeper understanding of this atheros driver starts with its build configuration. Let's see... I'll jump right into the `drivers/net/wireless/ath/Makefile`. This is where the magic happens – where all the pieces get glued together, where the dependencies are defined, and how the driver ultimately gets compiled. I'll need to understand the structure: what targets are defined, which source files are included, and how the overall build process is orchestrated. Hopefully, this Makefile is well-structured and commented. I'm especially interested in any conditional compilation based on kernel versions, hardware platforms, or feature flags. I expect to be able to understand the different ath driver versions if they exist, and the module architecture. That should provide a good starting point for whatever I'm troubleshooting or investigating. Let's get to it.
10/2	2026/09/05 11:43	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/Makefile", "FirstLine": 1, "LineCount": 50 } Results: { "Contents": " 1:\t# SPDX-License-Identifier: ISC\n 2:\tobj-$(CONFIG_ATH5K)\t\t+= ath5k/\n 3:\tobj-$(CONFIG_ATH9K_HW)\t\t+= ath9k/\n 4:\tobj-$(CONFIG_CARL9170)\t\t+= carl9170/\n 5:\tobj-$(CONFIG_ATH6KL)\t\t+= ath6kl/\n 6:\tobj-$(CONFIG_AR5523)\t\t+= ar5523/\n 7:\tobj-$(CONFIG_WIL6210)\t\t+= wil6210/\n 8:\tobj-$(CONFIG_ATH10K)\t\t+= ath10k/\n 9:\tobj-$(CONFIG_WCN36XX)\t\t+= wcn36xx/\n 10:\tobj-$(CONFIG_ATH11K)\t\t+= ath11k/\n 11:\tobj-$(CONFIG_ATH12K)\t\t+= ath12k/\n 12:\t\n 13:\tobj-$(CONFIG_ATH_COMMON)\t+= ath.o\n 14:\t\n 15:\tath-objs :=\tmain.o \\\n 16:\t\t\tregd.o \\\n 17:\t\t\thw.o \\\n 18:\t\t\tkey.o \\\n 19:\t\t\tdfs_pattern_detector.o \\\n 20:\t\t\tdfs_pri_detector.o\n 21:\t\n 22:\tath-$(CONFIG_ATH_DEBUG) += debug.o\n 23:\tath-$(CONFIG_ATH_TRACEPOINTS) += trace.o\n 24:\t\n 25:\tCFLAGS_trace.o := -I$(src)\n" }
11/2	2026/09/05 11:43	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 12248 output: 30 thoughts: 53 Thoughts: Okay, let's break this down. Investigating the Build Dependency Chain Right, so I need to trace this dependency. My starting point is that `CONFIG_ATH_COMMON` leads to the compilation of `ath.o`, and crucially, that includes `regd.o`. That's the core relationship I'm trying to understand – how `regd.o` gets built into the image. Now, I need to figure out what actually selects or enables `ATH_COMMON` in the first place. My immediate approach will be to leverage the Kconfig files, I need to use `grep` to hunt for instances of `ATH_COMMON` and see where it shows up as a dependency. I'll search to determine what other configs are involved in enabling `ATH_COMMON`.
12/2	2026/09/05 11:43	tool	grepper	0m Args: { "Expression": "ATH_COMMON", "PathPrefix": "drivers/net/wireless/ath" } Results: { "Output": "drivers/net/wireless/ath/Kconfig-1-# SPDX-License-Identifier: ISC\ndrivers/net/wireless/ath/Kconfig:2:config ATH_COMMON\ndrivers/net/wireless/ath/Kconfig-3-\ttristate\n--\ndrivers/net/wireless/ath/Makefile=11=obj-$(CONFIG_ATH12K)\t\t+= ath12k/\ndrivers/net/wireless/ath/Makefile-12-\ndrivers/net/wireless/ath/Makefile:13:obj-$(CONFIG_ATH_COMMON)\t+= ath.o\ndrivers/net/wireless/ath/Makefile-14-\n--\ndrivers/net/wireless/ath/ar5523/Kconfig=2=config AR5523\n--\ndrivers/net/wireless/ath/ar5523/Kconfig-4-\tdepends on MAC80211 \u0026\u0026 USB\ndrivers/net/wireless/ath/ar5523/Kconfig:5:\tselect ATH_COMMON\ndrivers/net/wireless/ath/ar5523/Kconfig-6-\tselect FW_LOADER\n--\ndrivers/net/wireless/ath/ath10k/Kconfig=2=config ATH10K\n--\ndrivers/net/wireless/ath/ath10k/Kconfig-4-\tdepends on MAC80211 \u0026\u0026 HAS_DMA\ndrivers/net/wireless/ath/ath10k/Kconfig:5:\tselect ATH_COMMON\ndrivers/net/wireless/ath/ath10k/Kconfig-6-\tselect CRC32\n--\ndrivers/net/wireless/ath/ath11k/Kconfig=2=config ATH11K\n--\ndrivers/net/wireless/ath/ath11k/Kconfig-4-\tdepends on MAC80211 \u0026\u0026 HAS_DMA\ndrivers/net/wireless/ath/ath11k/Kconfig:5:\tselect ATH_COMMON\ndrivers/net/wireless/ath/ath11k/Kconfig-6-\tselect QCOM_QMI_HELPERS\n--\ndrivers/net/wireless/ath/ath5k/Kconfig=2=config ATH5K\n--\ndrivers/net/wireless/ath/ath5k/Kconfig-4-\tdepends on (PCI \|\| ATH25) \u0026\u0026 MAC80211\ndrivers/net/wireless/ath/ath5k/Kconfig:5:\tselect ATH_COMMON\ndrivers/net/wireless/ath/ath5k/Kconfig-6-\tselect MAC80211_LEDS if LEDS_CLASS=y \|\| LEDS_CLASS=MAC80211\n--\ndrivers/net/wireless/ath/ath9k/Kconfig=4=config ATH9K_COMMON\ndrivers/net/wireless/ath/ath9k/Kconfig-5-\ttristate\ndrivers/net/wireless/ath/ath9k/Kconfig:6:\tselect ATH_COMMON\ndrivers/net/wireless/ath/ath9k/Kconfig-7-config ATH9K_COMMON_DEBUG\n--\ndrivers/net/wireless/ath/carl9170/Kconfig=2=config CARL9170\n--\ndrivers/net/wireless/ath/carl9170/Kconfig-4-\tdepends on USB \u0026\u0026 MAC80211\ndrivers/net/wireless/ath/carl9170/Kconfig:5:\tselect ATH_COMMON\ndrivers/net/wireless/ath/carl9170/Kconfig-6-\tselect FW_LOADER\n" }
13/2	2026/09/05 11:43	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 13341 output: 32 thoughts: 64 Thoughts: Investigating USB Driver Regulatory Domain Initialization Okay, let's dive in. I need to figure out which USB drivers are using the `ath_regd_init` function or the `ath_world_regdom_*` symbols – those are key indicators of how regulatory domains are being handled. My initial focus will be on the `carl9170` and `ath9k_htc` drivers, given their history and potential for regulatory interactions. I'll need to scrutinize them closely. To get a comprehensive understanding of the `ath9k_htc` driver's regulatory configuration, I should probably also check its associated Kconfig file. This will likely show the options and dependencies related to regulatory domain support within that specific driver. Time to dig in!
14/2	2026/09/05 11:43	tool	grepper	0m Args: { "Expression": "ATH9K_HTC", "PathPrefix": "drivers/net/wireless/ath" } Results: { "Output": "drivers/net/wireless/ath/ath9k/Kconfig=13=config ATH9K_BTCOEX_SUPPORT\ndrivers/net/wireless/ath/ath9k/Kconfig-14-\tbool \"Atheros bluetooth coexistence support\"\ndrivers/net/wireless/ath/ath9k/Kconfig:15:\tdepends on (ATH9K \|\| ATH9K_HTC)\ndrivers/net/wireless/ath/ath9k/Kconfig-16-\tdefault y\n--\ndrivers/net/wireless/ath/ath9k/Kconfig=156=config ATH9K_PCI_NO_EEPROM\n--\ndrivers/net/wireless/ath/ath9k/Kconfig-171-\ndrivers/net/wireless/ath/ath9k/Kconfig:172:config ATH9K_HTC\ndrivers/net/wireless/ath/ath9k/Kconfig-173-\ttristate \"Atheros HTC based wireless cards support\"\n--\ndrivers/net/wireless/ath/ath9k/Kconfig-186-\ndrivers/net/wireless/ath/ath9k/Kconfig:187:config ATH9K_HTC_DEBUGFS\ndrivers/net/wireless/ath/ath9k/Kconfig-188-\tbool \"Atheros ath9k_htc debugging\"\ndrivers/net/wireless/ath/ath9k/Kconfig:189:\tdepends on ATH9K_HTC \u0026\u0026 DEBUG_FS\ndrivers/net/wireless/ath/ath9k/Kconfig-190-\tselect ATH9K_COMMON_DEBUG\n--\ndrivers/net/wireless/ath/ath9k/Kconfig=206=config ATH9K_COMMON_SPECTRAL\ndrivers/net/wireless/ath/ath9k/Kconfig-207-\tbool \"Atheros ath9k/ath9k_htc spectral scan support\"\ndrivers/net/wireless/ath/ath9k/Kconfig:208:\tdepends on ATH9K_DEBUGFS \|\| ATH9K_HTC_DEBUGFS\ndrivers/net/wireless/ath/ath9k/Kconfig-209-\tselect RELAY\n--\ndrivers/net/wireless/ath/ath9k/Makefile=68=ath9k_htc-y +=\thtc_hst.o \\\n--\ndrivers/net/wireless/ath/ath9k/Makefile-76-\ndrivers/net/wireless/ath/ath9k/Makefile:77:ath9k_htc-$(CONFIG_ATH9K_HTC_DEBUGFS) += htc_drv_debug.o\ndrivers/net/wireless/ath/ath9k/Makefile-78-\ndrivers/net/wireless/ath/ath9k/Makefile:79:obj-$(CONFIG_ATH9K_HTC) += ath9k_htc.o\ndrivers/net/wireless/ath/ath9k/Makefile-80-\n--\ndrivers/net/wireless/ath/ath9k/ar9003_eeprom.c=3390=static bool ath9k_hw_ar9300_fill_eeprom(struct ath_hw ah)\n--\ndrivers/net/wireless/ath/ath9k/ar9003_eeprom.c-3400-\ndrivers/net/wireless/ath/ath9k/ar9003_eeprom.c:3401:#if defined(CONFIG_ATH9K_DEBUGFS) \|\| defined(CONFIG_ATH9K_HTC_DEBUGFS)\ndrivers/net/wireless/ath/ath9k/ar9003_eeprom.c-3402-static u32 ar9003_dump_modal_eeprom(char buf, u32 len, u32 size,\n--\ndrivers/net/wireless/ath/ath9k/hif_usb.c=232=static inline void ath9k_skb_queue_complete(struct hif_device_usb hif_dev,\n--\ndrivers/net/wireless/ath/ath9k/hif_usb.c-238-\twhile ((skb = __skb_dequeue(queue)) != NULL) {\ndrivers/net/wireless/ath/ath9k/hif_usb.c:239:#ifdef CONFIG_ATH9K_HTC_DEBUGFS\ndrivers/net/wireless/ath/ath9k/hif_usb.c-240-\t\tint ln = skb-\u003elen;\n--\ndrivers/net/wireless/ath/ath9k/hif_usb.c=376=static int hif_usb_send_tx(struct hif_device_usb hif_dev, struct sk_buff skb)\n--\ndrivers/net/wireless/ath/ath9k/hif_usb.c-399-\t/ Mgmt/Beacon frames don't use the TX buffer pool /\ndrivers/net/wireless/ath/ath9k/hif_usb.c:400:\tif ((tx_ctl-\u003etype == ATH9K_HTC_MGMT) \|\|\ndrivers/net/wireless/ath/ath9k/hif_usb.c:401:\t (tx_ctl-\u003etype == ATH9K_HTC_BEACON)) {\ndrivers/net/wireless/ath/ath9k/hif_usb.c-402-\t\tret = hif_usb_send_mgmt(hif_dev, skb);\n--\ndrivers/net/wireless/ath/ath9k/hif_usb.c-406-\ndrivers/net/wireless/ath/ath9k/hif_usb.c:407:\tif ((tx_ctl-\u003etype == ATH9K_HTC_NORMAL) \|\|\ndrivers/net/wireless/ath/ath9k/hif_usb.c:408:\t (tx_ctl-\u003etype == ATH9K_HTC_AMPDU)) {\ndrivers/net/wireless/ath/ath9k/hif_usb.c-409-\t\t__skb_queue_tail(\u0026hif_dev-\u003etx.tx_skb_queue, skb);\n--\ndrivers/net/wireless/ath/ath9k/hif_usb.c=487=static inline bool check_index(struct sk_buff skb, u8 idx)\n--\ndrivers/net/wireless/ath/ath9k/hif_usb.c-492-\ndrivers/net/wireless/ath/ath9k/hif_usb.c:493:\tif ((tx_ctl-\u003etype == ATH9K_HTC_AMPDU) \u0026\u0026\ndrivers/net/wireless/ath/ath9k/hif_usb.c-494-\t (tx_ctl-\u003esta_idx == idx))\n--\ndrivers/net/wireless/ath/ath9k/htc.h=56=enum htc_opmode {\n--\ndrivers/net/wireless/ath/ath9k/htc.h-64-\ndrivers/net/wireless/ath/ath9k/htc.h:65:#define ATH9K_HTC_AMPDU 1\ndrivers/net/wireless/ath/ath9k/htc.h:66:#define ATH9K_HTC_NORMAL 2\ndrivers/net/wireless/ath/ath9k/htc.h:67:#define ATH9K_HTC_BEACON 3\ndrivers/net/wireless/ath/ath9k/htc.h:68:#define ATH9K_HTC_MGMT 4\ndrivers/net/wireless/ath/ath9k/htc.h-69-\ndrivers/net/wireless/ath/ath9k/htc.h:70:#define ATH9K_HTC_TX_CTSONLY 0x1\ndrivers/net/wireless/ath/ath9k/htc.h:71:#define ATH9K_HTC_TX_RTSCTS 0x2\ndrivers/net/wireless/ath/ath9k/htc.h-72-\ndrivers/net/wireless/ath/ath9k/htc.h=73=struct tx_frame_hdr {\n--\ndrivers/net/wireless/ath/ath9k/htc.h-77-\tu8 tidno;\ndrivers/net/wireless/ath/ath9k/htc.h:78:\t__be32 flags; /* ATH9K_HTC_TX_* /\ndrivers/net/wireless/ath/ath9k/htc.h-79-\tu8 key_type;\n--\ndrivers/net/wireless/ath/ath9k/htc.h=194=struct ath9k_htc_target_rx_stats {\n--\ndrivers/net/wireless/ath/ath9k/htc.h-199-\ndrivers/net/wireless/ath/ath9k/htc.h:200:#define ATH9K_HTC_MAX_VIF 2\ndrivers/net/wireless/ath/ath9k/htc.h:201:#define ATH9K_HTC_MAX_BCN_VIF 2\ndrivers/net/wireless/ath/ath9k/htc.h-202-\n--\ndrivers/net/wireless/ath/ath9k/htc.h=249=struct ath9k_vif_iter_data {\n--\ndrivers/net/wireless/ath/ath9k/htc.h-253-\ndrivers/net/wireless/ath/ath9k/htc.h:254:#define ATH9K_HTC_MAX_STA 8\ndrivers/net/wireless/ath/ath9k/htc.h:255:#define ATH9K_HTC_MAX_TID 8\ndrivers/net/wireless/ath/ath9k/htc.h-256-\n--\ndrivers/net/wireless/ath/ath9k/htc.h=264=struct ath9k_htc_sta {\ndrivers/net/wireless/ath/ath9k/htc.h-265-\tu8 index;\ndrivers/net/wireless/ath/ath9k/htc.h:266:\tenum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];\ndrivers/net/wireless/ath/ath9k/htc.h-267-\tstruct work_struct rc_update_work;\n--\ndrivers/net/wireless/ath/ath9k/htc.h-270-\ndrivers/net/wireless/ath/ath9k/htc.h:271:#define ATH9K_HTC_RXBUF 256\ndrivers/net/wireless/ath/ath9k/htc.h-272-#define HTC_RX_FRAME_HEADER_SIZE 40\n--\ndrivers/net/wireless/ath/ath9k/htc.h=281=struct ath9k_htc_rx {\n--\ndrivers/net/wireless/ath/ath9k/htc.h-286-\ndrivers/net/wireless/ath/ath9k/htc.h:287:#define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 / ms /\ndrivers/net/wireless/ath/ath9k/htc.h:288:#define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 / ms /\ndrivers/net/wireless/ath/ath9k/htc.h:289:#define ATH9K_HTC_TX_RESERVE 10\ndrivers/net/wireless/ath/ath9k/htc.h:290:#define ATH9K_HTC_TX_TIMEOUT_COUNT 40\ndrivers/net/wireless/ath/ath9k/htc.h:291:#define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE)\ndrivers/net/wireless/ath/ath9k/htc.h-292-\ndrivers/net/wireless/ath/ath9k/htc.h:293:#define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0)\ndrivers/net/wireless/ath/ath9k/htc.h:294:#define ATH9K_HTC_OP_TX_DRAIN BIT(1)\ndrivers/net/wireless/ath/ath9k/htc.h-295-\n--\ndrivers/net/wireless/ath/ath9k/htc.h=311=struct ath9k_htc_tx_ctl {\ndrivers/net/wireless/ath/ath9k/htc.h:312:\tu8 type; / ATH9K_HTC_* /\ndrivers/net/wireless/ath/ath9k/htc.h-313-\tu8 epid;\n--\ndrivers/net/wireless/ath/ath9k/htc.h=319=static inline struct ath9k_htc_tx_ctl HTC_SKB_CB(struct sk_buff skb)\n--\ndrivers/net/wireless/ath/ath9k/htc.h-327-\ndrivers/net/wireless/ath/ath9k/htc.h:328:#ifdef CONFIG_ATH9K_HTC_DEBUGFS\ndrivers/net/wireless/ath/ath9k/htc.h-329-#define __STAT_SAFE(hif_dev, expr)\tdo { ((hif_dev)-\u003ehtc_handle-\u003edrv_priv ? (expr) : 0); } while (0)\n--\ndrivers/net/wireless/ath/ath9k/htc.h=388=static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc.h-392-\ndrivers/net/wireless/ath/ath9k/htc.h:393:#endif /* CONFIG_ATH9K_HTC_DEBUGFS /\ndrivers/net/wireless/ath/ath9k/htc.h-394-\n--\ndrivers/net/wireless/ath/ath9k/htc.h=409=struct htc_beacon {\n--\ndrivers/net/wireless/ath/ath9k/htc.h-415-\ndrivers/net/wireless/ath/ath9k/htc.h:416:\tstruct ieee80211_vif bslot[ATH9K_HTC_MAX_BCN_VIF];\ndrivers/net/wireless/ath/ath9k/htc.h-417-\tu32 bmisscnt;\n--\ndrivers/net/wireless/ath/ath9k/htc.h=456=struct ath9k_htc_priv {\n--\ndrivers/net/wireless/ath/ath9k/htc.h-478-\tu8 sta_slot;\ndrivers/net/wireless/ath/ath9k/htc.h:479:\tu8 vif_sta_pos[ATH9K_HTC_MAX_VIF];\ndrivers/net/wireless/ath/ath9k/htc.h-480-\tu8 num_ibss_vif;\n--\ndrivers/net/wireless/ath/ath9k/htc.h-535-\tstruct delayed_work duty_cycle_work;\ndrivers/net/wireless/ath/ath9k/htc.h:536:#ifdef CONFIG_ATH9K_HTC_DEBUGFS\ndrivers/net/wireless/ath/ath9k/htc.h-537-\tstruct ath9k_debug debug;\n--\ndrivers/net/wireless/ath/ath9k/htc.h=641=int ath9k_htc_resume(struct htc_target htc_handle);\ndrivers/net/wireless/ath/ath9k/htc.h-642-#endif\ndrivers/net/wireless/ath/ath9k/htc.h:643:#ifdef CONFIG_ATH9K_HTC_DEBUGFS\ndrivers/net/wireless/ath/ath9k/htc.h-644-int ath9k_htc_init_debug(struct ath_hw ah);\n--\ndrivers/net/wireless/ath/ath9k/htc.h=648=static inline void ath9k_htc_deinit_debug(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc.h-650-}\ndrivers/net/wireless/ath/ath9k/htc.h:651:#endif / CONFIG_ATH9K_HTC_DEBUGFS /\ndrivers/net/wireless/ath/ath9k/htc.h-652-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c=111=static void ath9k_htc_beacon_config_ap(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-116-\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c:117:\tath9k_cmn_beacon_config_ap(ah, conf, ATH9K_HTC_MAX_BCN_VIF);\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-118-\tath9k_htc_beacon_init(priv, conf, false);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c=191=static void ath9k_htc_send_beacon(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-242-\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c:243:\ttx_ctl-\u003etype = ATH9K_HTC_BEACON;\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-244-\ttx_ctl-\u003eepid = priv-\u003ebeacon_ep;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c=264=static int ath9k_htc_choose_bslot(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-276-\ttsftu = TSF_TO_TU(tsf \u003e\u003e 32, tsf);\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c:277:\tslot = ((tsftu % intval) * ATH9K_HTC_MAX_BCN_VIF) / intval;\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c:278:\tslot = ATH9K_HTC_MAX_BCN_VIF - slot - 1;\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-279-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c=325=void ath9k_htc_assign_bslot(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-332-\tspin_lock_bh(\u0026priv-\u003ebeacon_lock);\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c:333:\tfor (i = 0; i \u003c ATH9K_HTC_MAX_BCN_VIF; i++) {\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-334-\t\tif (priv-\u003ebeacon.bslot[i] == NULL) {\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c=365=void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-380-\t /\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c:381:\ttsfadjust = cur_conf-\u003ebeacon_interval avp-\u003ebslot / ATH9K_HTC_MAX_BCN_VIF;\ndrivers/net/wireless/ath/ath9k/htc_drv_beacon.c-382-\tavp-\u003etsfadjust = cpu_to_le64(TU_TO_USEC(tsfadjust));\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c=398=static const char ath9k_htc_gstrings_stats[][ETH_GSTRING_LEN] = {\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c-418-};\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c:419:#define ATH9K_HTC_SSTATS_LEN ARRAY_SIZE(ath9k_htc_gstrings_stats)\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c-420-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c=430=int ath9k_htc_get_et_sset_count(struct ieee80211_hw hw,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c-433-\tif (sset == ETH_SS_STATS)\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c:434:\t\treturn ATH9K_HTC_SSTATS_LEN;\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c-435-\treturn 0;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c=448=void ath9k_htc_get_et_stats(struct ieee80211_hw hw,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c-473-\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c:474:\tWARN_ON(i != ATH9K_HTC_SSTATS_LEN);\ndrivers/net/wireless/ath/ath9k/htc_drv_debug.c-475-}\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c=606=static int ath9k_init_priv(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-673-\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c:674:\tfor (i = 0; i \u003c ATH9K_HTC_MAX_BCN_VIF; i++)\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-675-\t\tpriv-\u003ebeacon.bslot[i] = NULL;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c=184=void ath9k_htc_reset(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-233-\tmod_timer(\u0026priv-\u003etx.cleanup_timer,\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:234:\t\t jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL));\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-235-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c=240=static int ath9k_htc_set_channel(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-311-\tmod_timer(\u0026priv-\u003etx.cleanup_timer,\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:312:\t\t jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL));\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-313-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c=350=static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-357-\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:358:\tif ((priv-\u003envifs \u003e= ATH9K_HTC_MAX_VIF) \|\|\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:359:\t (priv-\u003enstations \u003e= ATH9K_HTC_MAX_STA)) {\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-360-\t\tret = -ENOBUFS;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-364-\tsta_idx = ffz(priv-\u003esta_slot);\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:365:\tif ((sta_idx \u003c 0) \|\| (sta_idx \u003e ATH9K_HTC_MAX_STA)) {\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-366-\t\tret = -ENOBUFS;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c=466=static int ath9k_htc_add_station(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-477-\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:478:\tif (priv-\u003enstations \u003e= ATH9K_HTC_MAX_STA)\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-479-\t\treturn -ENOBUFS;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-481-\tsta_idx = ffz(priv-\u003esta_slot);\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:482:\tif ((sta_idx \u003c 0) \|\| (sta_idx \u003e ATH9K_HTC_MAX_STA))\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-483-\t\treturn -ENOBUFS;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c=702=static int ath9k_htc_tx_aggr_oper(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-713-\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:714:\tif (tid \u003e= ATH9K_HTC_MAX_TID)\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-715-\t\treturn -EINVAL;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c=907=static int ath9k_htc_start(struct ieee80211_hw hw)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-960-\tspin_lock_bh(\u0026priv-\u003etx.tx_lock);\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:961:\tpriv-\u003etx.flags \u0026= ~ATH9K_HTC_OP_TX_QUEUES_STOP;\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-962-\tspin_unlock_bh(\u0026priv-\u003etx.tx_lock);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-966-\tmod_timer(\u0026priv-\u003etx.cleanup_timer,\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:967:\t\t jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL));\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-968-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c=1658=static int ath9k_htc_ampdu_action(struct ieee80211_hw hw,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-1688-\tcase IEEE80211_AMPDU_TX_OPERATIONAL:\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:1689:\t\tif (tid \u003e= ATH9K_HTC_MAX_TID) {\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-1690-\t\t\tret = -EINVAL;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c=1874=struct ieee80211_ops ath9k_htc_ops = {\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-1906-\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c:1907:#ifdef CONFIG_ATH9K_HTC_DEBUGFS\ndrivers/net/wireless/ath/ath9k/htc_drv_main.c-1908-\t.get_et_sset_count = ath9k_htc_get_et_sset_count,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=23=static const int subtype_txq_to_hwq[] = {\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-29-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:30:#define ATH9K_HTC_INIT_TXQ(subtype) do {\t\t\t\\\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-31-\t\tqi.tqi_subtype = subtype_txq_to_hwq[subtype];\t\\\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=56=void ath9k_htc_check_stop_queues(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-59-\tpriv-\u003etx.queued_cnt++;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:60:\tif ((priv-\u003etx.queued_cnt \u003e= ATH9K_HTC_TX_THRESHOLD) \u0026\u0026\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:61:\t !(priv-\u003etx.flags \u0026 ATH9K_HTC_OP_TX_QUEUES_STOP)) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:62:\t\tpriv-\u003etx.flags \|= ATH9K_HTC_OP_TX_QUEUES_STOP;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-63-\t\tieee80211_stop_queues(priv-\u003ehw);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=68=void ath9k_htc_check_wake_queues(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-70-\tspin_lock_bh(\u0026priv-\u003etx.tx_lock);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:71:\tif ((priv-\u003etx.queued_cnt \u003c ATH9K_HTC_TX_THRESHOLD) \u0026\u0026\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:72:\t (priv-\u003etx.flags \u0026 ATH9K_HTC_OP_TX_QUEUES_STOP)) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:73:\t\tpriv-\u003etx.flags \u0026= ~ATH9K_HTC_OP_TX_QUEUES_STOP;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-74-\t\tieee80211_wake_queues(priv-\u003ehw);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=214=static void ath9k_htc_tx_mgmt(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-240-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:241:\ttx_ctl-\u003etype = ATH9K_HTC_MGMT;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-242-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=260=static void ath9k_htc_tx_data(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-292-\tif (tx_info-\u003eflags \u0026 IEEE80211_TX_CTL_AMPDU) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:293:\t\ttx_ctl-\u003etype = ATH9K_HTC_AMPDU;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:294:\t\ttx_hdr.data_type = ATH9K_HTC_AMPDU;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-295-\t} else {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:296:\t\ttx_ctl-\u003etype = ATH9K_HTC_NORMAL;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:297:\t\ttx_hdr.data_type = ATH9K_HTC_NORMAL;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-298-\t}\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-312-\t\tif (skb-\u003elen \u003e priv-\u003ehw-\u003ewiphy-\u003erts_threshold)\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:313:\t\t\tflags \|= ATH9K_HTC_TX_RTSCTS;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-314-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-315-\t/* CTS-to-self /\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:316:\tif (!(flags \u0026 ATH9K_HTC_TX_RTSCTS) \u0026\u0026\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-317-\t (vif \u0026\u0026 vif-\u003ebss_conf.use_cts_prot))\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:318:\t\tflags \|= ATH9K_HTC_TX_CTSONLY;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-319-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=392=static inline bool __ath9k_htc_check_tx_aggr(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-397-\tspin_lock_bh(\u0026priv-\u003etx.tx_lock);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:398:\tif ((tid \u003c ATH9K_HTC_MAX_TID) \u0026\u0026 (ista-\u003etid_state[tid] == AGGR_STOP))\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-399-\t\tret = true;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=445=static void ath9k_htc_tx_process(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-478-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:479:\tif (txs-\u003ets_flags \u0026 ATH9K_HTC_TXSTAT_ACK) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-480-\t\ttx_info-\u003eflags \|= IEEE80211_TX_STAT_ACK;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-484-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:485:\tif (txs-\u003ets_flags \u0026 ATH9K_HTC_TXSTAT_FILT)\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-486-\t\ttx_info-\u003eflags \|= IEEE80211_TX_STAT_TX_FILTERED;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-487-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:488:\tif (txs-\u003ets_flags \u0026 ATH9K_HTC_TXSTAT_RTC_CTS)\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-489-\t\trate-\u003eflags \|= IEEE80211_TX_RC_USE_RTS_CTS;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-491-\trate-\u003ecount = 1;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:492:\trate-\u003eidx = MS(txs-\u003ets_rate, ATH9K_HTC_TXSTAT_RATE);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-493-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:494:\tif (txs-\u003ets_flags \u0026 ATH9K_HTC_TXSTAT_MCS) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-495-\t\trate-\u003eflags \|= IEEE80211_TX_RC_MCS;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-496-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:497:\t\tif (txs-\u003ets_flags \u0026 ATH9K_HTC_TXSTAT_CW40)\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-498-\t\t\trate-\u003eflags \|= IEEE80211_TX_RC_40_MHZ_WIDTH;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:499:\t\tif (txs-\u003ets_flags \u0026 ATH9K_HTC_TXSTAT_SGI)\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-500-\t\t\trate-\u003eflags \|= IEEE80211_TX_RC_SHORT_GI;\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=539=void ath9k_htc_tx_drain(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-543-\tspin_lock_bh(\u0026priv-\u003etx.tx_lock);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:544:\tpriv-\u003etx.flags \|= ATH9K_HTC_OP_TX_DRAIN;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-545-\tspin_unlock_bh(\u0026priv-\u003etx.tx_lock);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-573-\tspin_lock_bh(\u0026priv-\u003etx.tx_lock);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:574:\tpriv-\u003etx.flags \u0026= ~ATH9K_HTC_OP_TX_DRAIN;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-575-\tspin_unlock_bh(\u0026priv-\u003etx.tx_lock);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=578=void ath9k_tx_failed_tasklet(struct tasklet_struct t)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-582-\tspin_lock(\u0026priv-\u003etx.tx_lock);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:583:\tif (priv-\u003etx.flags \u0026 ATH9K_HTC_OP_TX_DRAIN) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-584-\t\tspin_unlock(\u0026priv-\u003etx.tx_lock);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=618=static struct sk_buff ath9k_htc_tx_get_packet(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-624-\tunsigned long flags;\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:625:\tu8 epid = MS(txs-\u003ets_rate, ATH9K_HTC_TXSTAT_EPID);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-626-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=716=static inline bool check_packet(struct ath9k_htc_priv priv, struct sk_buff skb)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-724-\t\t tx_ctl-\u003etimestamp +\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:725:\t\t msecs_to_jiffies(ATH9K_HTC_TX_TIMEOUT_INTERVAL))) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-726-\t\tath_dbg(common, XMIT, \"Dropping a packet due to TX timeout\\n\");\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=761=void ath9k_htc_tx_cleanup_timer(struct timer_list t)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-776-\t\t\t\tevent-\u003etxs.cookie,\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:777:\t\t\t\tMS(event-\u003etxs.ts_rate, ATH9K_HTC_TXSTAT_EPID));\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-778-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-784-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:785:\t\tif (++event-\u003ecount \u003e= ATH9K_HTC_TX_TIMEOUT_COUNT) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-786-\t\t\tlist_del(\u0026event-\u003elist);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-805-\tmod_timer(\u0026priv-\u003etx.cleanup_timer,\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:806:\t\t jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL));\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-807-}\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=827=bool ath9k_htc_txq_setup(struct ath9k_htc_priv priv, int subtype)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-834-\tmemset(\u0026qi, 0, sizeof(qi));\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:835:\tATH9K_HTC_INIT_TXQ(subtype);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-836-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=852=int ath9k_htc_cabq_setup(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-856-\tmemset(\u0026qi, 0, sizeof(qi));\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:857:\tATH9K_HTC_INIT_TXQ(0);\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-858-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c=1187=int ath9k_rx_init(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-1193-\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1194:\tfor (i = 0; i \u003c ATH9K_HTC_RXBUF; i++) {\ndrivers/net/wireless/ath/ath9k/htc_drv_txrx.c-1195-\t\tstruct ath9k_htc_rxbuf rxbuf =\n--\ndrivers/net/wireless/ath/ath9k/wmi.c=138=void ath9k_wmi_event_tasklet(struct tasklet_struct t)\n--\ndrivers/net/wireless/ath/ath9k/wmi.c-178-\t\t\tspin_lock_bh(\u0026priv-\u003etx.tx_lock);\ndrivers/net/wireless/ath/ath9k/wmi.c:179:\t\t\tif (priv-\u003etx.flags \u0026 ATH9K_HTC_OP_TX_DRAIN) {\ndrivers/net/wireless/ath/ath9k/wmi.c-180-\t\t\t\tspin_unlock_bh(\u0026priv-\u003etx.tx_lock);\n--\ndrivers/net/wireless/ath/ath9k/wmi.h=39=struct wmi_event_swba {\n--\ndrivers/net/wireless/ath/ath9k/wmi.h-50-\ndrivers/net/wireless/ath/ath9k/wmi.h:51:#define ATH9K_HTC_TXSTAT_ACK BIT(0)\ndrivers/net/wireless/ath/ath9k/wmi.h:52:#define ATH9K_HTC_TXSTAT_FILT BIT(1)\ndrivers/net/wireless/ath/ath9k/wmi.h:53:#define ATH9K_HTC_TXSTAT_RTC_CTS BIT(2)\ndrivers/net/wireless/ath/ath9k/wmi.h:54:#define ATH9K_HTC_TXSTAT_MCS BIT(3)\ndrivers/net/wireless/ath/ath9k/wmi.h:55:#define ATH9K_HTC_TXSTAT_CW40 BIT(4)\ndrivers/net/wireless/ath/ath9k/wmi.h:56:#define ATH9K_HTC_TXSTAT_SGI BIT(5)\ndrivers/net/wireless/ath/ath9k/wmi.h-57-\n--\ndrivers/net/wireless/ath/ath9k/wmi.h-63- /\ndrivers/net/wireless/ath/ath9k/wmi.h:64:#define ATH9K_HTC_TXSTAT_RATE 0x0f\ndrivers/net/wireless/ath/ath9k/wmi.h:65:#define ATH9K_HTC_TXSTAT_RATE_S 0\ndrivers/net/wireless/ath/ath9k/wmi.h-66-\ndrivers/net/wireless/ath/ath9k/wmi.h:67:#define ATH9K_HTC_TXSTAT_EPID 0xf0\ndrivers/net/wireless/ath/ath9k/wmi.h:68:#define ATH9K_HTC_TXSTAT_EPID_S 4\ndrivers/net/wireless/ath/ath9k/wmi.h-69-\n" }
15/2	2026/09/05 11:43	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 26057 output: 39 thoughts: 58 Thoughts: Diving into Regulatory Domain Changes in `ath` Okay, let's take a closer look at that patch, shall we? My immediate focus is going to be `drivers/net/wireless/ath/regd.c`. I need to understand precisely what the change is accomplishing. So, I'm going to start by going line by line through that file, specifically focusing on the regulatory domain implementation within the `ath` driver. I'll zero in on lines roughly between 40 and 120; that seems like a likely region to house the core logic for regulatory domain management. I'll need to refresh myself on how regulatory domains are handled within the `ath` architecture, so I can see where the patch is impacting that flow.
16/2	2026/09/05 11:43	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/regd.c", "FirstLine": 40, "LineCount": 80 } Results: { "Contents": " 40:\t\t\t\t\t\t NL80211_RRF_NO_IR)\n 41:\t#define ATH_2GHZ_CH14\t\tREG_RULE(2484-10, 2484+10, 40, 0, 20,\\\n 42:\t\t\t\t\t\t NL80211_RRF_NO_IR \| \\\n 43:\t\t\t\t\t\t NL80211_RRF_NO_OFDM)\n 44:\t\n 45:\t/* We allow IBSS on these on a case by case basis by regulatory domain /\n 46:\t#define ATH_5GHZ_5150_5350\tREG_RULE(5150-10, 5240+10, 80, 0, 30, 0),\\\n 47:\t\t\t\t\tREG_RULE(5260-10, 5350+10, 80, 0, 30,\\\n 48:\t\t\t\t\t\t NL80211_RRF_NO_IR)\n 49:\t#define ATH_5GHZ_5470_5850\tREG_RULE(5470-10, 5850+10, 80, 0, 30,\\\n 50:\t\t\t\t\t\t NL80211_RRF_NO_IR)\n 51:\t#define ATH_5GHZ_5725_5850\tREG_RULE(5725-10, 5850+10, 80, 0, 30,\\\n 52:\t\t\t\t\t\t NL80211_RRF_NO_IR)\n 53:\t\n 54:\t#define ATH_2GHZ_ALL\t\tATH_2GHZ_CH01_11, \\\n 55:\t\t\t\t\tATH_2GHZ_CH12_13, \\\n 56:\t\t\t\t\tATH_2GHZ_CH14\n 57:\t\n 58:\t#define ATH_5GHZ_ALL\t\tATH_5GHZ_5150_5350, \\\n 59:\t\t\t\t\tATH_5GHZ_5470_5850\n 60:\t\n 61:\t/ This one skips what we call \"mid band\" /\n 62:\t#define ATH_5GHZ_NO_MIDBAND\tATH_5GHZ_5150_5350, \\\n 63:\t\t\t\t\tATH_5GHZ_5725_5850\n 64:\t\n 65:\t/ Can be used for:\n 66:\t * 0x60, 0x61, 0x62 /\n 67:\tstatic const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {\n 68:\t\t.n_reg_rules = 6,\n 69:\t\t.alpha2 = \"99\",\n 70:\t\t.reg_rules = {\n 71:\t\t\tATH_2GHZ_ALL,\n 72:\t\t\tATH_5GHZ_ALL,\n 73:\t\t}\n 74:\t};\n 75:\t\n 76:\t/ Can be used by 0x63 and 0x65 /\n 77:\tstatic const struct ieee80211_regdomain ath_world_regdom_63_65 = {\n 78:\t\t.n_reg_rules = 5,\n 79:\t\t.alpha2 = \"99\",\n 80:\t\t.reg_rules = {\n 81:\t\t\tATH_2GHZ_CH01_11,\n 82:\t\t\tATH_2GHZ_CH12_13,\n 83:\t\t\tATH_5GHZ_NO_MIDBAND,\n 84:\t\t}\n 85:\t};\n 86:\t\n 87:\t/ Can be used by 0x64 only /\n 88:\tstatic const struct ieee80211_regdomain ath_world_regdom_64 = {\n 89:\t\t.n_reg_rules = 4,\n 90:\t\t.alpha2 = \"99\",\n 91:\t\t.reg_rules = {\n 92:\t\t\tATH_2GHZ_CH01_11,\n 93:\t\t\tATH_5GHZ_NO_MIDBAND,\n 94:\t\t}\n 95:\t};\n 96:\t\n 97:\t/ Can be used by 0x66 and 0x69 /\n 98:\tstatic const struct ieee80211_regdomain ath_world_regdom_66_69 = {\n 99:\t\t.n_reg_rules = 4,\n 100:\t\t.alpha2 = \"99\",\n 101:\t\t.reg_rules = {\n 102:\t\t\tATH_2GHZ_CH01_11,\n 103:\t\t\tATH_5GHZ_ALL,\n 104:\t\t}\n 105:\t};\n 106:\t\n 107:\t/ Can be used by 0x67, 0x68, 0x6A and 0x6C /\n 108:\tstatic const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {\n 109:\t\t.n_reg_rules = 5,\n 110:\t\t.alpha2 = \"99\",\n 111:\t\t.reg_rules = {\n 112:\t\t\tATH_2GHZ_CH01_11,\n 113:\t\t\tATH_2GHZ_CH12_13,\n 114:\t\t\tATH_5GHZ_ALL,\n 115:\t\t}\n 116:\t};\n 117:\t\n 118:\tstatic bool dynamic_country_user_possible(struct ath_regulatory reg)\n 119:\t{\n" }
17/2	2026/09/05 11:43	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 27833 output: 40 thoughts: 329 Thoughts: Analyzing the Regulatory Domain Changes Okay, let's break this down. First, I need to understand the change in `regd.c`. Looks like the definition `ATH_5GHZ_5150_5350` was previously a single regulatory rule spanning 5150 to 5350 MHz. The older rule was: `REG_RULE(5150-10, 5350+10, 80, 0, 30, NL80211_RRF_NO_IR)`. Now, they've split it into two separate rules: `REG_RULE(5150-10, 5240+10, 80, 0, 30, 0)` and `REG_RULE(5260-10, 5350+10, 80, 0, 30, NL80211_RRF_NO_IR)`. This is a significant change because this now means that all those `ath_world_regdom_*` structures that rely on `ATH_5GHZ_5150_5350` (either directly or via `ATH_5GHZ_ALL` or `ATH_5GHZ_NO_MIDBAND`) now have an extra regulatory rule. I'll need to double-check my understanding, but it seems that `.n_reg_rules` in those structs must have been incremented by one. So, 5 rules are now 6, 4 is now 5, 3 is now 4, and so on. Next, I need to understand the broader implications of this split. I'll need to investigate how these regulatory domains are registered within the system. I'll start by checking the initialization process. Let's see what `ath_regd_init` does. Understanding that should give me a good handle on how the code will react to these added rules. This change could potentially introduce subtle side effects, so I will have to follow the code and check.
18/2	2026/09/05 11:43	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/regd.c", "FirstLine": 630, "LineCount": 80 } Results: { "Contents": " 630:\t\t\t\treturn \u0026regDomainPairs[i];\n 631:\t\t}\n 632:\t\treturn NULL;\n 633:\t}\n 634:\t\n 635:\tstatic int\n 636:\tath_regd_init_wiphy(struct ath_regulatory reg,\n 637:\t\t\t struct wiphy wiphy,\n 638:\t\t\t void (reg_notifier)(struct wiphy wiphy,\n 639:\t\t\t\t\t\t struct regulatory_request request))\n 640:\t{\n 641:\t\tconst struct ieee80211_regdomain regd;\n 642:\t\n 643:\t\twiphy-\u003ereg_notifier = reg_notifier;\n 644:\t\twiphy-\u003eregulatory_flags \|= REGULATORY_STRICT_REG \|\n 645:\t\t\t\t\t REGULATORY_CUSTOM_REG;\n 646:\t\n 647:\t\tif (ath_is_world_regd(reg)) {\n 648:\t\t\t/\n 649:\t\t\t Anything applied here (prior to wiphy registration) gets\n 650:\t\t\t * saved on the wiphy orig_* parameters\n 651:\t\t\t /\n 652:\t\t\tregd = ath_world_regdomain(reg);\n 653:\t\t\twiphy-\u003eregulatory_flags \|= REGULATORY_COUNTRY_IE_FOLLOW_POWER;\n 654:\t\t} else {\n 655:\t\t\t/\n 656:\t\t\t * This gets applied in the case of the absence of CRDA,\n 657:\t\t\t * it's our own custom world regulatory domain, similar to\n 658:\t\t\t * cfg80211's but we enable passive scanning.\n 659:\t\t\t /\n 660:\t\t\tregd = ath_default_world_regdomain();\n 661:\t\t}\n 662:\t\n 663:\t\twiphy_apply_custom_regulatory(wiphy, regd);\n 664:\t\tath_reg_apply_radar_flags(wiphy, reg);\n 665:\t\tath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg);\n 666:\t\treturn 0;\n 667:\t}\n 668:\t\n 669:\t/\n 670:\t * Some users have reported their EEPROM programmed with\n 671:\t * 0x8000 set, this is not a supported regulatory domain\n 672:\t * but since we have more than one user with it we need\n 673:\t * a solution for them. We default to 0x64, which is the\n 674:\t * default Atheros world regulatory domain.\n 675:\t /\n 676:\tstatic void ath_regd_sanitize(struct ath_regulatory reg)\n 677:\t{\n 678:\t\tif (reg-\u003ecurrent_rd != COUNTRY_ERD_FLAG)\n 679:\t\t\treturn;\n 680:\t\tprintk(KERN_DEBUG \"ath: EEPROM regdomain sanitized\\n\");\n 681:\t\treg-\u003ecurrent_rd = 0x64;\n 682:\t}\n 683:\t\n 684:\tstatic int __ath_regd_init(struct ath_regulatory reg)\n 685:\t{\n 686:\t\tstruct country_code_to_enum_rd country = NULL;\n 687:\t\tu16 regdmn;\n 688:\t\n 689:\t\tif (!reg)\n 690:\t\t\treturn -EINVAL;\n 691:\t\n 692:\t\tath_regd_sanitize(reg);\n 693:\t\n 694:\t\tprintk(KERN_DEBUG \"ath: EEPROM regdomain: 0x%0x\\n\", reg-\u003ecurrent_rd);\n 695:\t\n 696:\t\tif (!ath_regd_is_eeprom_valid(reg)) {\n 697:\t\t\tpr_err(\"Invalid EEPROM contents\\n\");\n 698:\t\t\treturn -EINVAL;\n 699:\t\t}\n 700:\t\n 701:\t\tregdmn = ath_regd_get_eepromRD(reg);\n 702:\t\treg-\u003ecountry_code = ath_regd_get_default_country(regdmn);\n 703:\t\n 704:\t\tif (reg-\u003ecountry_code == CTRY_DEFAULT \u0026\u0026\n 705:\t\t regdmn == CTRY_DEFAULT) {\n 706:\t\t\tprintk(KERN_DEBUG \"ath: EEPROM indicates default \"\n 707:\t\t\t \"country code should be used\\n\");\n 708:\t\t\treg-\u003ecountry_code = CTRY_UNITED_STATES;\n 709:\t\t}\n" }
19/2	2026/09/05 11:43	llm	patch-evaluator	1m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 29886 output: 31 thoughts: 58 Thoughts: Here's my take on those thoughts: Dissecting the Regulatory Initialization Okay, so I'm digging into this regulatory initialization sequence for a wireless device. The trail starts with `ath_regd_init_wiphy`, and I see it immediately hands off to `wiphy_apply_custom_regulatory` – that's the key function. Now, I need to understand what's actually happening here. It's time to crack open `net/wireless/reg.c` and dive into the source code for `wiphy_apply_custom_regulatory`. I want to see precisely how that function takes the `wiphy` structure and the `regd` (regulatory domain) structure, and applies the custom regulatory settings. What parameters are being passed? How are they being processed? What's the control flow? This function is likely the linchpin of how the driver interacts with the regulatory domain data, so understanding its guts is critical to seeing how this driver works.
20/2	2026/09/05 11:44	tool	grepper	0m Args: { "Expression": "wiphy_apply_custom_regulatory", "PathPrefix": "net/wireless" } Results: { "Output": "net/wireless/reg.c=2593=static void handle_band_custom(struct wiphy wiphy,\n--\nnet/wireless/reg.c-2612-/ Used by drivers prior to wiphy registration /\nnet/wireless/reg.c:2613:void wiphy_apply_custom_regulatory(struct wiphy wiphy,\nnet/wireless/reg.c-2614-\t\t\t\t const struct ieee80211_regdomain *regd)\n--\nnet/wireless/reg.c-2647-}\nnet/wireless/reg.c:2648:EXPORT_SYMBOL(wiphy_apply_custom_regulatory);\nnet/wireless/reg.c-2649-\n" }
21/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 30373 output: 34 thoughts: 150 Thoughts: Analyzing the `ath9k_htc` USB Driver for Fuzzing Potential Okay, so I'm looking at `ath9k_htc`, which I know is a USB driver, much like `carl9170`. My initial focus is on the probe path and how the firmware and hardware are initialized within this driver. I need to understand if `ath9k_htc` is successfully probed in environments like syzkaller or QEMU. Thinking about syzkaller's USB fuzzing capabilities, particularly using raw gadgets, `usb-fuzzer`, or vusb, the ability to probe USB drivers becomes a critical avenue. I need to know how `ath9k_htc` gets probed. Therefore, I'm diving deeper into the probe routine. I'll examine the code at `drivers/net/wireless/ath/ath9k/hif_usb.c`. This is where the core logic will reside. I need to understand the entry points for fuzzing.
22/2	2026/09/05 11:44	tool	grepper	0m Args: { "Expression": "ath9k_init_device", "PathPrefix": "drivers/net/wireless/ath" } Results: { "Output": "drivers/net/wireless/ath/ath9k/ahb.c=55=static int ath_ahb_probe(struct platform_device pdev)\n--\ndrivers/net/wireless/ath/ath9k/ahb.c-98-\tdev_id = (u16)(kernel_ulong_t)of_device_get_match_data(\u0026pdev-\u003edev);\ndrivers/net/wireless/ath/ath9k/ahb.c:99:\tret = ath9k_init_device(dev_id, sc, \u0026ath_ahb_bus_ops);\ndrivers/net/wireless/ath/ath9k/ahb.c-100-\tif (ret) {\n--\ndrivers/net/wireless/ath/ath9k/ath9k.h=1130=void ath_restart_work(struct ath_softc sc);\ndrivers/net/wireless/ath/ath9k/ath9k.h:1131:int ath9k_init_device(u16 devid, struct ath_softc sc,\ndrivers/net/wireless/ath/ath9k/ath9k.h-1132-\t\t const struct ath_bus_ops bus_ops);\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c=785=static int ath9k_init_firmware_version(struct ath9k_htc_priv priv)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-827-\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c:828:static int ath9k_init_device(struct ath9k_htc_priv priv,\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-829-\t\t\t u16 devid, char product, u32 drv_info)\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c=931=int ath9k_htc_probe_device(struct htc_target htc_handle, struct device dev,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-962-\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c:963:\tret = ath9k_init_device(priv, devid, product, drv_info);\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-964-\tif (ret)\n--\ndrivers/net/wireless/ath/ath9k/init.c=903=static void ath9k_set_hw_capab(struct ath_softc sc, struct ieee80211_hw hw)\n--\ndrivers/net/wireless/ath/ath9k/init.c-1003-\ndrivers/net/wireless/ath/ath9k/init.c:1004:int ath9k_init_device(u16 devid, struct ath_softc sc,\ndrivers/net/wireless/ath/ath9k/init.c-1005-\t\t const struct ath_bus_ops bus_ops)\n--\ndrivers/net/wireless/ath/ath9k/pci.c=884=static int ath_pci_probe(struct pci_dev pdev, const struct pci_device_id *id)\n--\ndrivers/net/wireless/ath/ath9k/pci.c-978-\ndrivers/net/wireless/ath/ath9k/pci.c:979:\tret = ath9k_init_device(id-\u003edevice, sc, \u0026ath_pci_bus_ops);\ndrivers/net/wireless/ath/ath9k/pci.c-980-\tif (ret) {\n" }
23/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 31736 output: 47 thoughts: 35 Thoughts: Okay, let's dive into this. Here's how I'd approach that kernel module investigation, from my perspective as an expert: Investigating the `ath9k_htc` Probe Path Right, let's get down to it. I need to understand how the `ath9k_htc` driver gets loaded, specifically focusing on the USB High-Throughput Capability (HTC) initialization. My starting point is the most logical place: `drivers/net/wireless/ath/ath9k/hif_usb.c`. That's where the USB-specific HIF (Host Interface) code for the ath9k family will live, and the `ath9k_htc` module is the one responsible for the HTC connection, so it's a very good first guess. My expectation is to find the USB probe function defined here. I'll likely be scanning for things like `usb_driver` structures, likely in the form of a module init function like `module_init(ath9k_htc_usb_init)`. I’ll be looking for where the USB device IDs are matched, probably in a `usb_device_id` table. I'm expecting to see where the driver registers itself with the USB core, and crucially, where the actual `ath9k_htc` device structure is allocated and initialized. I'll be mentally tracing the execution flow of the probe function, looking for any conditional statements or error handling that could impact the module's success in attaching to a particular USB device. I will also make sure to check all the related functions calls that are used during this probe. Essentially, I am trying to ascertain precisely how and when the `ath9k_htc` driver binds to a matching USB device. From there, I'll be able to build a clearer understanding of potential problems and optimization strategies.
24/2	2026/09/05 11:44	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/ath9k/hif_usb.c", "FirstLine": 1260, "LineCount": 80 } Results: { "Contents": "1260:\t\t\t\t\thif_dev-\u003eid_info);\n1261:\t\tif (ret) {\n1262:\t\t\tret = -EINVAL;\n1263:\t\t\tgoto err_htc_hw_init;\n1264:\t\t}\n1265:\t\n1266:\t\trelease_firmware(fw);\n1267:\t\thif_dev-\u003eflags \|= HIF_USB_READY;\n1268:\t\tcomplete_all(\u0026hif_dev-\u003efw_done);\n1269:\t\n1270:\t\treturn;\n1271:\t\n1272:\terr_htc_hw_init:\n1273:\t\tath9k_hif_usb_dev_deinit(hif_dev);\n1274:\terr_dev_init:\n1275:\t\tath9k_htc_hw_free(hif_dev-\u003ehtc_handle);\n1276:\terr_dev_alloc:\n1277:\t\trelease_firmware(fw);\n1278:\terr_fw:\n1279:\t\tath9k_hif_usb_firmware_fail(hif_dev);\n1280:\t}\n1281:\t\n1282:\t/\n1283:\t An exact copy of the function from zd1211rw.\n1284:\t /\n1285:\tstatic int send_eject_command(struct usb_interface interface)\n1286:\t{\n1287:\t\tstruct usb_device udev = interface_to_usbdev(interface);\n1288:\t\tstruct usb_host_interface iface_desc = interface-\u003ecur_altsetting;\n1289:\t\tstruct usb_endpoint_descriptor endpoint;\n1290:\t\tunsigned char cmd;\n1291:\t\tu8 bulk_out_ep;\n1292:\t\tint r;\n1293:\t\n1294:\t\tif (iface_desc-\u003edesc.bNumEndpoints \u003c 2)\n1295:\t\t\treturn -ENODEV;\n1296:\t\n1297:\t\t/* Find bulk out endpoint /\n1298:\t\tfor (r = 1; r \u003e= 0; r--) {\n1299:\t\t\tendpoint = \u0026iface_desc-\u003eendpoint[r].desc;\n1300:\t\t\tif (usb_endpoint_dir_out(endpoint) \u0026\u0026\n1301:\t\t\t usb_endpoint_xfer_bulk(endpoint)) {\n1302:\t\t\t\tbulk_out_ep = endpoint-\u003ebEndpointAddress;\n1303:\t\t\t\tbreak;\n1304:\t\t\t}\n1305:\t\t}\n1306:\t\tif (r == -1) {\n1307:\t\t\tdev_err(\u0026udev-\u003edev,\n1308:\t\t\t\t\"ath9k_htc: Could not find bulk out endpoint\\n\");\n1309:\t\t\treturn -ENODEV;\n1310:\t\t}\n1311:\t\n1312:\t\tcmd = kzalloc(31, GFP_KERNEL);\n1313:\t\tif (cmd == NULL)\n1314:\t\t\treturn -ENODEV;\n1315:\t\n1316:\t\t/ USB bulk command block /\n1317:\t\tcmd[0] = 0x55;\t/ bulk command signature /\n1318:\t\tcmd[1] = 0x53;\t/ bulk command signature /\n1319:\t\tcmd[2] = 0x42;\t/ bulk command signature /\n1320:\t\tcmd[3] = 0x43;\t/ bulk command signature /\n1321:\t\tcmd[14] = 6;\t/ command length /\n1322:\t\n1323:\t\tcmd[15] = 0x1b;\t/ SCSI command: START STOP UNIT /\n1324:\t\tcmd[19] = 0x2;\t/ eject disc /\n1325:\t\n1326:\t\tdev_info(\u0026udev-\u003edev, \"Ejecting storage device...\\n\");\n1327:\t\tr = usb_bulk_msg(udev, usb_sndbulkpipe(udev, bulk_out_ep),\n1328:\t\t\tcmd, 31, NULL, 2 USB_MSG_TIMEOUT);\n1329:\t\tkfree(cmd);\n1330:\t\tif (r)\n1331:\t\t\treturn r;\n1332:\t\n1333:\t\t/* At this point, the device disconnects and reconnects with the real\n1334:\t\t * ID numbers. */\n1335:\t\n1336:\t\tusb_set_intfdata(interface, NULL);\n1337:\t\treturn 0;\n1338:\t}\n1339:\t\n" }
25/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 33434 output: 18 thoughts: 140 Thoughts: My Investigative Process for Regulatory Domain Initialization Okay, here's the game plan. I'm focusing on the `ath9k_htc` driver and its regulatory domain handling. I know that `ath9k_htc` loads firmware (`release_firmware`) before it initializes the device and calls `ath_regd_init`. But I need to understand the full picture here. My next step is to examine the `ath_world_regdom_*` functions. Are those the only points of contact with regulatory code, or is there another spot where `ath_regd` is called into action? I'm thinking about the bigger picture, so I'll also start checking for interactions with the regulatory domain functionality through other methods. Netlink and cfg80211 commands, anything in sysfs – those are all possibilities. I want to see if anything directly accesses functions defined in `regd.c` or utilizes these specific regdomains. To make sure I'm covering all bases, I will perform a comprehensive search throughout the entire kernel codebase. I will search for instances of anything with the prefixes `ath_reg_`, `ath_regd_`, or `ath_world_regdom`. I'm going to find all the pieces and put them together to ensure I understand how this whole regulatory mechanism works within the kernel.
26/2	2026/09/05 11:44	tool	grepper	0m Args: { "Expression": "ath_regd" } Results: { "Output": "drivers/net/wireless/ath/ath10k/mac.c=9908=static int ath10k_mac_get_wrdd_regulatory(struct ath10k ar, u16 rd)\n--\ndrivers/net/wireless/ath/ath10k/mac.c-9946-\ndrivers/net/wireless/ath/ath10k/mac.c:9947:\trd = ath_regd_find_country_by_name(alpha2);\ndrivers/net/wireless/ath/ath10k/mac.c-9948-\tif (rd == 0xffff)\n--\ndrivers/net/wireless/ath/ath10k/mac.c=9971=int ath10k_mac_register(struct ath10k ar)\n--\ndrivers/net/wireless/ath/ath10k/mac.c-10302-\ndrivers/net/wireless/ath/ath10k/mac.c:10303:\tret = ath_regd_init(\u0026ar-\u003eath_common.regulatory, ar-\u003ehw-\u003ewiphy,\ndrivers/net/wireless/ath/ath10k/mac.c-10304-\t\t\t ath10k_reg_notifier);\n--\ndrivers/net/wireless/ath/ath5k/base.c=3025=ath5k_init(struct ieee80211_hw hw)\n--\ndrivers/net/wireless/ath/ath5k/base.c-3135-\tregulatory-\u003ecurrent_rd = ah-\u003eah_capabilities.cap_eeprom.ee_regdomain;\ndrivers/net/wireless/ath/ath5k/base.c:3136:\tret = ath_regd_init(regulatory, hw-\u003ewiphy, ath5k_reg_notifier);\ndrivers/net/wireless/ath/ath5k/base.c-3137-\tif (ret) {\n--\ndrivers/net/wireless/ath/ath5k/phy.c=2761=ath5k_get_max_ctl_power(struct ath5k_hw ah,\n--\ndrivers/net/wireless/ath/ath5k/phy.c-2774-\ndrivers/net/wireless/ath/ath5k/phy.c:2775:\tctl_mode = ath_regd_get_band_ctl(regulatory, channel-\u003eband);\ndrivers/net/wireless/ath/ath5k/phy.c-2776-\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c=828=static int ath9k_init_device(struct ath9k_htc_priv priv,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-851-\t/* Initialize regulatory /\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c:852:\terror = ath_regd_init(\u0026common-\u003eregulatory, priv-\u003ehw-\u003ewiphy,\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-853-\t\t\t ath9k_reg_notifier);\n--\ndrivers/net/wireless/ath/ath9k/hw.c=1177=u32 ath9k_regd_get_ctl(struct ath_regulatory reg, struct ath9k_channel chan)\ndrivers/net/wireless/ath/ath9k/hw.c-1178-{\ndrivers/net/wireless/ath/ath9k/hw.c:1179:\tu32 ctl = ath_regd_get_band_ctl(reg, chan-\u003echan-\u003eband);\ndrivers/net/wireless/ath/ath9k/hw.c-1180-\n--\ndrivers/net/wireless/ath/ath9k/init.c=1004=int ath9k_init_device(u16 devid, struct ath_softc sc,\n--\ndrivers/net/wireless/ath/ath9k/init.c-1022-\t/* Initialize regulatory /\ndrivers/net/wireless/ath/ath9k/init.c:1023:\terror = ath_regd_init(\u0026common-\u003eregulatory, sc-\u003ehw-\u003ewiphy,\ndrivers/net/wireless/ath/ath9k/init.c-1024-\t\t\t ath9k_reg_notifier);\n--\ndrivers/net/wireless/ath/carl9170/main.c=1953=int carl9170_register(struct ar9170 ar)\n--\ndrivers/net/wireless/ath/carl9170/main.c-1970-\ndrivers/net/wireless/ath/carl9170/main.c:1971:\terr = ath_regd_init(regulatory, ar-\u003ehw-\u003ewiphy,\ndrivers/net/wireless/ath/carl9170/main.c-1972-\t\t\t carl9170_reg_notifier);\n--\ndrivers/net/wireless/ath/carl9170/phy.c=1291=static void carl9170_calc_ctl(struct ar9170 ar, u32 freq, enum carl9170_bw bw)\n--\ndrivers/net/wireless/ath/carl9170/phy.c-1326-\t hpreg.c::zfHpGetRegulatoryDomain() and\ndrivers/net/wireless/ath/carl9170/phy.c:1327:\t * ath/regd.c::ath_regd_get_band_ctl() -\ndrivers/net/wireless/ath/carl9170/phy.c-1328-\t * e.g. for FCC3_WORLD the OTUS procedure\n--\ndrivers/net/wireless/ath/carl9170/phy.c-1331-\t /\ndrivers/net/wireless/ath/carl9170/phy.c:1332:\tctl_grp = ath_regd_get_band_ctl(\u0026ar-\u003ecommon.regulatory,\ndrivers/net/wireless/ath/carl9170/phy.c-1333-\t\t\t\t\tar-\u003ehw-\u003econf.chandef.chan-\u003eband);\n--\ndrivers/net/wireless/ath/regd.c-25-\ndrivers/net/wireless/ath/regd.c:26:static int __ath_regd_init(struct ath_regulatory reg);\ndrivers/net/wireless/ath/regd.c-27-\n--\ndrivers/net/wireless/ath/regd.c=199=static inline bool is_wwr_sku(u16 regd)\n--\ndrivers/net/wireless/ath/regd.c-205-\ndrivers/net/wireless/ath/regd.c:206:static u16 ath_regd_get_eepromRD(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-207-{\n--\ndrivers/net/wireless/ath/regd.c=211=bool ath_is_world_regd(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-212-{\ndrivers/net/wireless/ath/regd.c:213:\treturn is_wwr_sku(ath_regd_get_eepromRD(reg));\ndrivers/net/wireless/ath/regd.c-214-}\n--\ndrivers/net/wireless/ath/regd.c=437=static void ath_reg_apply_world_flags(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-458-\ndrivers/net/wireless/ath/regd.c:459:u16 ath_regd_find_country_by_name(char alpha2)\ndrivers/net/wireless/ath/regd.c-460-{\n--\ndrivers/net/wireless/ath/regd.c-469-}\ndrivers/net/wireless/ath/regd.c:470:EXPORT_SYMBOL(ath_regd_find_country_by_name);\ndrivers/net/wireless/ath/regd.c-471-\ndrivers/net/wireless/ath/regd.c=472=static int __ath_reg_dyn_country(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-481-\ndrivers/net/wireless/ath/regd.c:482:\tcountry_code = ath_regd_find_country_by_name(request-\u003ealpha2);\ndrivers/net/wireless/ath/regd.c-483-\tif (country_code == (u16) -1)\n--\ndrivers/net/wireless/ath/regd.c-488-\ndrivers/net/wireless/ath/regd.c:489:\t__ath_regd_init(reg);\ndrivers/net/wireless/ath/regd.c-490-\n--\ndrivers/net/wireless/ath/regd.c=550=EXPORT_SYMBOL(ath_reg_notifier_apply);\ndrivers/net/wireless/ath/regd.c-551-\ndrivers/net/wireless/ath/regd.c:552:static bool ath_regd_is_eeprom_valid(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-553-{\ndrivers/net/wireless/ath/regd.c:554:\tu16 rd = ath_regd_get_eepromRD(reg);\ndrivers/net/wireless/ath/regd.c-555-\tint i;\n--\ndrivers/net/wireless/ath/regd.c=581=static struct country_code_to_enum_rd\ndrivers/net/wireless/ath/regd.c:582:ath_regd_find_country(u16 countryCode)\ndrivers/net/wireless/ath/regd.c-583-{\n--\ndrivers/net/wireless/ath/regd.c=594=static struct country_code_to_enum_rd\ndrivers/net/wireless/ath/regd.c:595:ath_regd_find_country_by_rd(int regdmn)\ndrivers/net/wireless/ath/regd.c-596-{\n--\ndrivers/net/wireless/ath/regd.c-606-/* Returns the map of the EEPROM set RD to a country code /\ndrivers/net/wireless/ath/regd.c:607:static u16 ath_regd_get_default_country(u16 rd)\ndrivers/net/wireless/ath/regd.c-608-{\n--\ndrivers/net/wireless/ath/regd.c-612-\ndrivers/net/wireless/ath/regd.c:613:\t\tcountry = ath_regd_find_country(cc);\ndrivers/net/wireless/ath/regd.c-614-\t\tif (country != NULL)\n--\ndrivers/net/wireless/ath/regd.c=635=static int\ndrivers/net/wireless/ath/regd.c:636:ath_regd_init_wiphy(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-637-\t\t struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-675- /\ndrivers/net/wireless/ath/regd.c:676:static void ath_regd_sanitize(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-677-{\n--\ndrivers/net/wireless/ath/regd.c-683-\ndrivers/net/wireless/ath/regd.c:684:static int __ath_regd_init(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-685-{\n--\ndrivers/net/wireless/ath/regd.c-691-\ndrivers/net/wireless/ath/regd.c:692:\tath_regd_sanitize(reg);\ndrivers/net/wireless/ath/regd.c-693-\n--\ndrivers/net/wireless/ath/regd.c-695-\ndrivers/net/wireless/ath/regd.c:696:\tif (!ath_regd_is_eeprom_valid(reg)) {\ndrivers/net/wireless/ath/regd.c-697-\t\tpr_err(\"Invalid EEPROM contents\\n\");\n--\ndrivers/net/wireless/ath/regd.c-700-\ndrivers/net/wireless/ath/regd.c:701:\tregdmn = ath_regd_get_eepromRD(reg);\ndrivers/net/wireless/ath/regd.c:702:\treg-\u003ecountry_code = ath_regd_get_default_country(regdmn);\ndrivers/net/wireless/ath/regd.c-703-\n--\ndrivers/net/wireless/ath/regd.c-715-\t\t \"map search\\n\");\ndrivers/net/wireless/ath/regd.c:716:\t\tcountry = ath_regd_find_country(reg-\u003ecountry_code);\ndrivers/net/wireless/ath/regd.c-717-\t\tif (country == NULL) {\n--\ndrivers/net/wireless/ath/regd.c-739-\tif (!country)\ndrivers/net/wireless/ath/regd.c:740:\t\tcountry = ath_regd_find_country_by_rd(regdmn);\ndrivers/net/wireless/ath/regd.c-741-\n--\ndrivers/net/wireless/ath/regd.c=758=int\ndrivers/net/wireless/ath/regd.c:759:ath_regd_init(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-760-\t struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-767-\ndrivers/net/wireless/ath/regd.c:768:\tr = __ath_regd_init(reg);\ndrivers/net/wireless/ath/regd.c-769-\tif (r)\n--\ndrivers/net/wireless/ath/regd.c-775-\ndrivers/net/wireless/ath/regd.c:776:\tath_regd_init_wiphy(reg, wiphy, reg_notifier);\ndrivers/net/wireless/ath/regd.c-777-\n--\ndrivers/net/wireless/ath/regd.c-779-}\ndrivers/net/wireless/ath/regd.c:780:EXPORT_SYMBOL(ath_regd_init);\ndrivers/net/wireless/ath/regd.c-781-\ndrivers/net/wireless/ath/regd.c:782:u32 ath_regd_get_band_ctl(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-783-\t\t\t enum nl80211_band band)\n--\ndrivers/net/wireless/ath/regd.c-786-\t (reg-\u003ecountry_code == CTRY_DEFAULT \u0026\u0026\ndrivers/net/wireless/ath/regd.c:787:\t is_wwr_sku(ath_regd_get_eepromRD(reg)))) {\ndrivers/net/wireless/ath/regd.c-788-\t\treturn SD_NO_CTL;\n--\ndrivers/net/wireless/ath/regd.c-790-\ndrivers/net/wireless/ath/regd.c:791:\tif (ath_regd_get_eepromRD(reg) == CTRY_DEFAULT) {\ndrivers/net/wireless/ath/regd.c-792-\t\tswitch (reg-\u003eregion) {\n--\ndrivers/net/wireless/ath/regd.c-812-}\ndrivers/net/wireless/ath/regd.c:813:EXPORT_SYMBOL(ath_regd_get_band_ctl);\n--\ndrivers/net/wireless/ath/regd.h=262=bool ath_is_49ghz_allowed(u16 redomain);\ndrivers/net/wireless/ath/regd.h:263:u16 ath_regd_find_country_by_name(char alpha2);\ndrivers/net/wireless/ath/regd.h:264:int ath_regd_init(struct ath_regulatory reg, struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.h-265-\t\t void (reg_notifier)(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.h-266-\t\t\t\t struct regulatory_request request));\ndrivers/net/wireless/ath/regd.h:267:u32 ath_regd_get_band_ctl(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.h-268-\t\t\t enum nl80211_band band);\n" }
27/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 38128 output: 34 thoughts: 119 Thoughts: Analyzing the ath_regd Initialization Okay, let's break this down. My initial observation is that `ath_regd_init` seems pretty crucial, and it's being called by a diverse range of drivers. I see it invoked by the `ath10k`, `ath5k`, `ath9k_htc`, `ath9k`, and `carl9170` families. These cover a broad spectrum of hardware interfaces: PCI, SNOC, SDIO, AHB, and USB. That's a strong indication that this initialization function is fundamental to regulatory domain management across a lot of different devices. Hold on a second, though. I need to be thorough. I need to understand the big picture. What about `ath_reg_notifier_apply`? I remember that, but where does it fit into the picture? I'm going to have to check where that's called, because I'm betting that's an important piece of the puzzle. I need to see how these two functions relate.
28/2	2026/09/05 11:44	tool	grepper	0m Args: { "Expression": "ath_reg_notifier_apply", "PathPrefix": "drivers/net/wireless/ath" } Results: { "Output": "drivers/net/wireless/ath/ath10k/mac.c=3561=static void ath10k_reg_notifier(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/ath10k/mac.c-3567-\ndrivers/net/wireless/ath/ath10k/mac.c:3568:\tath_reg_notifier_apply(wiphy, request, \u0026ar-\u003eath_common.regulatory);\ndrivers/net/wireless/ath/ath10k/mac.c-3569-\n--\ndrivers/net/wireless/ath/ath5k/base.c=252=static void ath5k_reg_notifier(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/ath5k/base.c-258-\ndrivers/net/wireless/ath/ath5k/base.c:259:\tath_reg_notifier_apply(wiphy, request, regulatory);\ndrivers/net/wireless/ath/ath5k/base.c-260-}\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c=224=static void ath9k_reg_notifier(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-229-\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c:230:\tath_reg_notifier_apply(wiphy, request,\ndrivers/net/wireless/ath/ath9k/htc_drv_init.c-231-\t\t\t ath9k_hw_regulatory(priv-\u003eah));\n--\ndrivers/net/wireless/ath/ath9k/init.c=249=static void ath9k_reg_notifier(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/ath9k/init.c-256-\ndrivers/net/wireless/ath/ath9k/init.c:257:\tath_reg_notifier_apply(wiphy, request, reg);\ndrivers/net/wireless/ath/ath9k/init.c-258-\n--\ndrivers/net/wireless/ath/carl9170/main.c=1944=static void carl9170_reg_notifier(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/carl9170/main.c-1949-\ndrivers/net/wireless/ath/carl9170/main.c:1950:\tath_reg_notifier_apply(wiphy, request, \u0026ar-\u003ecommon.regulatory);\ndrivers/net/wireless/ath/carl9170/main.c-1951-}\n--\ndrivers/net/wireless/ath/regd.c=496=static void ath_reg_dyn_country(struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-508-\ndrivers/net/wireless/ath/regd.c:509:void ath_reg_notifier_apply(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-510-\t\t\t struct regulatory_request request,\n--\ndrivers/net/wireless/ath/regd.c-549-}\ndrivers/net/wireless/ath/regd.c:550:EXPORT_SYMBOL(ath_reg_notifier_apply);\ndrivers/net/wireless/ath/regd.c-551-\n--\ndrivers/net/wireless/ath/regd.h=267=u32 ath_regd_get_band_ctl(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.h-268-\t\t\t enum nl80211_band band);\ndrivers/net/wireless/ath/regd.h:269:void ath_reg_notifier_apply(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.h-270-\t\t\t struct regulatory_request *request,\n" }
29/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 39510 output: 40 thoughts: 73 Thoughts: Analyzing Regulatory Domain Changes Okay, so I'm looking at how the system handles changes to the regulatory domain. It looks like `ath_reg_notifier_apply` is the key function. This is triggered, it seems, when someone – maybe through `nl80211` from userspace – sets a new regulatory domain or country code. That makes sense, handling those updates is critical for compliance and proper operation. My next step is to dive into the source code for `ath_reg_notifier_apply`. Specifically, I'll be checking out the `drivers/net/wireless/ath/regd.c` file. I need to understand what happens within that function to get a full picture of the regulatory change process. I'm going to pay close attention to the data structures used, the calls to lower-level functions, and any error handling. This is a critical area, so I want to make sure I understand it completely.
30/2	2026/09/05 11:44	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/regd.c", "FirstLine": 500, "LineCount": 60 } Results: { "Contents": " 500:\t\tif (__ath_reg_dyn_country(wiphy, reg, request))\n 501:\t\t\treturn;\n 502:\t\n 503:\t\tprintk(KERN_DEBUG \"ath: regdomain 0x%0x \"\n 504:\t\t\t\t \"dynamically updated by %s\\n\",\n 505:\t\t reg-\u003ecurrent_rd,\n 506:\t\t reg_initiator_name(request-\u003einitiator));\n 507:\t}\n 508:\t\n 509:\tvoid ath_reg_notifier_apply(struct wiphy wiphy,\n 510:\t\t\t\t struct regulatory_request request,\n 511:\t\t\t\t struct ath_regulatory reg)\n 512:\t{\n 513:\t\tstruct ath_common common = container_of(reg, struct ath_common,\n 514:\t\t\t\t\t\t\t regulatory);\n 515:\t\t/* We always apply this /\n 516:\t\tath_reg_apply_radar_flags(wiphy, reg);\n 517:\t\n 518:\t\t/\n 519:\t\t * This would happen when we have sent a custom regulatory request\n 520:\t\t * a world regulatory domain and the scheduler hasn't yet processed\n 521:\t\t * any pending requests in the queue.\n 522:\t\t /\n 523:\t\tif (!request)\n 524:\t\t\treturn;\n 525:\t\n 526:\t\treg-\u003eregion = request-\u003edfs_region;\n 527:\t\tswitch (request-\u003einitiator) {\n 528:\t\tcase NL80211_REGDOM_SET_BY_CORE:\n 529:\t\t\t/\n 530:\t\t\t * If common-\u003ereg_world_copy is world roaming it means we were\n 531:\t\t\t * world roaming... so we now have to restore that data.\n 532:\t\t\t /\n 533:\t\t\tif (!ath_is_world_regd(\u0026common-\u003ereg_world_copy))\n 534:\t\t\t\tbreak;\n 535:\t\n 536:\t\t\tmemcpy(reg, \u0026common-\u003ereg_world_copy,\n 537:\t\t\t sizeof(struct ath_regulatory));\n 538:\t\t\tbreak;\n 539:\t\tcase NL80211_REGDOM_SET_BY_DRIVER:\n 540:\t\t\tbreak;\n 541:\t\tcase NL80211_REGDOM_SET_BY_USER:\n 542:\t\t\tif (ath_reg_dyn_country_user_allow(reg))\n 543:\t\t\t\tath_reg_dyn_country(wiphy, reg, request);\n 544:\t\t\tbreak;\n 545:\t\tcase NL80211_REGDOM_SET_BY_COUNTRY_IE:\n 546:\t\t\tath_reg_dyn_country(wiphy, reg, request);\n 547:\t\t\tbreak;\n 548:\t\t}\n 549:\t}\n 550:\tEXPORT_SYMBOL(ath_reg_notifier_apply);\n 551:\t\n 552:\tstatic bool ath_regd_is_eeprom_valid(struct ath_regulatory reg)\n 553:\t{\n 554:\t\tu16 rd = ath_regd_get_eepromRD(reg);\n 555:\t\tint i;\n 556:\t\n 557:\t\tif (rd \u0026 COUNTRY_ERD_FLAG) {\n 558:\t\t\t/* EEPROM value is a country code */\n 559:\t\t\tu16 cc = rd \u0026 ~COUNTRY_ERD_FLAG;\n" }
31/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 40752 output: 36 thoughts: 263 Thoughts: My Analysis of Atheros Wireless Regulatory Domain Initialization Okay, let's break this down. When one of these Atheros wireless devices – like an ath9k_htc, carl9170 USB device, or a PCI ath9k/ath10k/ath5k card – gets probed and initialized, the `ath_regd_init` function gets called. Makes sense so far. Now, within `ath_regd_init`, the code dives into `__ath_regd_init(reg)` and then calls `ath_regd_init_wiphy(reg, wiphy, reg_notifier)`. This is where it gets interesting, as it appears to be responsible for setting up the regulatory domain information. Inside `ath_regd_init_wiphy`, it checks if `ath_is_world_regd(reg)` is true. If it is true, we're likely dealing with a world regulatory domain, and the code calls `regd = ath_world_regdomain(reg);`. Otherwise, it uses `regd = ath_default_world_regdomain();`. So it seems there's a distinction based on whether a world regulatory domain is in use or not. This is likely an important distinction to check later. Crucially, it then calls `wiphy_apply_custom_regulatory(wiphy, regd);`. This is where the magic happens, so let's dig into that function's implementation. It looks like this function is responsible for actually applying the regulatory rules to the wireless interface (`wiphy`). Specifically, it's iterating over the `regd->n_reg_rules` and `regd->reg_rules` fields, which almost certainly contain the regulatory domain data. I'll need to go look at `wiphy_apply_custom_regulatory` in `net/wireless/reg.c` to fully understand the details of how those rules are applied.
32/2	2026/09/05 11:44	tool	read-file	0m Args: { "File": "net/wireless/reg.c", "FirstLine": 2610, "LineCount": 40 } Results: { "Contents": "2610:\t}\n2611:\t\n2612:\t/* Used by drivers prior to wiphy registration /\n2613:\tvoid wiphy_apply_custom_regulatory(struct wiphy wiphy,\n2614:\t\t\t\t\t const struct ieee80211_regdomain regd)\n2615:\t{\n2616:\t\tconst struct ieee80211_regdomain new_regd, tmp;\n2617:\t\tenum nl80211_band band;\n2618:\t\tunsigned int bands_set = 0;\n2619:\t\n2620:\t\tWARN(!(wiphy-\u003eregulatory_flags \u0026 REGULATORY_CUSTOM_REG),\n2621:\t\t \"wiphy should have REGULATORY_CUSTOM_REG\\n\");\n2622:\t\twiphy-\u003eregulatory_flags \|= REGULATORY_CUSTOM_REG;\n2623:\t\n2624:\t\tfor (band = 0; band \u003c NUM_NL80211_BANDS; band++) {\n2625:\t\t\tif (!wiphy-\u003ebands[band])\n2626:\t\t\t\tcontinue;\n2627:\t\t\thandle_band_custom(wiphy, wiphy-\u003ebands[band], regd);\n2628:\t\t\tbands_set++;\n2629:\t\t}\n2630:\t\n2631:\t\t/\n2632:\t\t * no point in calling this if it won't have any effect\n2633:\t\t * on your device's supported bands.\n2634:\t\t */\n2635:\t\tWARN_ON(!bands_set);\n2636:\t\tnew_regd = reg_copy_regd(regd);\n2637:\t\tif (IS_ERR(new_regd))\n2638:\t\t\treturn;\n2639:\t\n2640:\t\trtnl_lock();\n2641:\t\tscoped_guard(wiphy, wiphy) {\n2642:\t\t\ttmp = get_wiphy_regdom(wiphy);\n2643:\t\t\trcu_assign_pointer(wiphy-\u003eregd, new_regd);\n2644:\t\t\trcu_free_regdom(tmp);\n2645:\t\t}\n2646:\t\trtnl_unlock();\n2647:\t}\n2648:\tEXPORT_SYMBOL(wiphy_apply_custom_regulatory);\n2649:\t\n" }
33/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 42095 output: 36 thoughts: 67 Thoughts: Here's my take on those thoughts: Analyzing the Registration Rule Handling Okay, so I'm looking at how we're handling registration rules. My initial thought is that `handle_band_custom` and `reg_copy_regd(regd)` are going to be the workhorses processing the `regd->n_reg_rules` and `regd->reg_rules` members of the `regd` structure. These are clearly key components in managing the regulatory domain settings. Now, I should probably double-check how `handle_band_custom` actually functions. Let's dive into `net/wireless/reg.c` to see precisely what's going on within that function.
34/2	2026/09/05 11:44	tool	read-file	0m Args: { "File": "net/wireless/reg.c", "FirstLine": 2590, "LineCount": 25 } Results: { "Contents": "2590:\t\tchan-\u003emax_power = chan-\u003emax_reg_power;\n2591:\t}\n2592:\t\n2593:\tstatic void handle_band_custom(struct wiphy wiphy,\n2594:\t\t\t\t struct ieee80211_supported_band sband,\n2595:\t\t\t\t const struct ieee80211_regdomain regd)\n2596:\t{\n2597:\t\tunsigned int i;\n2598:\t\n2599:\t\tif (!sband)\n2600:\t\t\treturn;\n2601:\t\n2602:\t\t/\n2603:\t\t * We currently assume that you always want at least 20 MHz,\n2604:\t\t * otherwise channel 12 might get enabled if this rule is\n2605:\t\t * compatible to US, which permits 2402 - 2472 MHz.\n2606:\t\t /\n2607:\t\tfor (i = 0; i \u003c sband-\u003en_channels; i++)\n2608:\t\t\thandle_channel_custom(wiphy, \u0026sband-\u003echannels[i], regd,\n2609:\t\t\t\t\t MHZ_TO_KHZ(20));\n2610:\t}\n2611:\t\n2612:\t/ Used by drivers prior to wiphy registration /\n2613:\tvoid wiphy_apply_custom_regulatory(struct wiphy wiphy,\n2614:\t\t\t\t\t const struct ieee80211_regdomain *regd)\n" }
35/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 42760 output: 42 thoughts: 1247 Thoughts: Fuzzing Feasibility Analysis for Regulatory Table Modifications in ath/regd.c Okay, so I'm looking at this patch and need to determine if it's worth fuzzing. Initially, I was thinking about the USB wireless drivers `carl9170` or `ath9k_htc`. I know syzkaller can emulate these via USB Raw Gadget. I've got to check, though, if there are any other virtual buses or implementations using the `ath` drivers besides those. Nope, no `mac80211_hwsim` use. Right, back to the core question: can syzkaller's USB fuzzing even touch the code in question? Yes, it absolutely can. Syzkaller supports USB device probing and fuzzing, targeting wireless drivers like `ath9k_htc`, `carl9170`, and others. But is this just a regulatory table change? Time to revisit the fuzzing triage philosophy. Reachability is key. I need to make sure this code is reachable in a standard virtualized environment. It's not enough if it's got new assertions or refactored code that's not reachable. Alright, let's break this down. Is the modified code in `drivers/net/wireless/ath/regd.c` reachable? Yes! The `ath/` code is used by USB wireless drivers `carl9170` and `ath9k_htc`. When these devices are connected (or emulated with USB raw gadget), the probe paths, starting with `carl9170_register` -> `ath_regd_init` or `ath9k_htc_probe_device` -> `ath9k_init_device` -> `ath_regd_init`, are relevant. Importantly, `ath_regd_init` leads to `ath_regd_init_wiphy`, which accesses the modified regulatory domain data structures. The changes modify `ATH_5GHZ_5150_5350` and the associated `n_reg_rules`. Also, there are `reg_copy_regd` and `wiphy_apply_custom_regulatory` in mac80211/cfg80211, that process these data structures and frequency rules. So, yeah, this is definitely reachable. Let's quickly check which functions are the entrypoints or contain the logic within `regd.c`: `ath_regd_init`, `ath_regd_init_wiphy`, `ath_world_regdomain`, `ath_default_world_regdomain`, and `ath_reg_notifier_apply`. Then, I'll review any other functions that may be relevant to the changed code. Conclusion: This is absolutely worth fuzzing. It touches reachable, executable code, specifically within the regulatory domain data structures and associated functions accessed through USB wireless driver probe paths. The changes modify critical regulatory information.
36/2	2026/09/05 11:44	tool	grepper	0m Args: { "Expression": "^[a-zA-Z_].\\(", "PathPrefix": "drivers/net/wireless/ath/regd.c" } Results:* { "Output": "drivers/net/wireless/ath/regd.c-25-\ndrivers/net/wireless/ath/regd.c:26:static int __ath_regd_init(struct ath_regulatory reg);\ndrivers/net/wireless/ath/regd.c-27-\n--\ndrivers/net/wireless/ath/regd.c=108=static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {\n--\ndrivers/net/wireless/ath/regd.c-117-\ndrivers/net/wireless/ath/regd.c:118:static bool dynamic_country_user_possible(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-119-{\n--\ndrivers/net/wireless/ath/regd.c-189-\ndrivers/net/wireless/ath/regd.c:190:static bool ath_reg_dyn_country_user_allow(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-191-{\n--\ndrivers/net/wireless/ath/regd.c-198-\ndrivers/net/wireless/ath/regd.c:199:static inline bool is_wwr_sku(u16 regd)\ndrivers/net/wireless/ath/regd.c-200-{\n--\ndrivers/net/wireless/ath/regd.c-205-\ndrivers/net/wireless/ath/regd.c:206:static u16 ath_regd_get_eepromRD(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-207-{\n--\ndrivers/net/wireless/ath/regd.c-210-\ndrivers/net/wireless/ath/regd.c:211:bool ath_is_world_regd(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-212-{\n--\ndrivers/net/wireless/ath/regd.c-214-}\ndrivers/net/wireless/ath/regd.c:215:EXPORT_SYMBOL(ath_is_world_regd);\ndrivers/net/wireless/ath/regd.c-216-\ndrivers/net/wireless/ath/regd.c:217:static const struct ieee80211_regdomain ath_default_world_regdomain(void)\ndrivers/net/wireless/ath/regd.c-218-{\n--\ndrivers/net/wireless/ath/regd.c=223=static const struct\ndrivers/net/wireless/ath/regd.c:224:ieee80211_regdomain ath_world_regdomain(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-225-{\n--\ndrivers/net/wireless/ath/regd.c-249-\ndrivers/net/wireless/ath/regd.c:250:bool ath_is_49ghz_allowed(u16 regdomain)\ndrivers/net/wireless/ath/regd.c-251-{\n--\ndrivers/net/wireless/ath/regd.c-254-}\ndrivers/net/wireless/ath/regd.c:255:EXPORT_SYMBOL(ath_is_49ghz_allowed);\ndrivers/net/wireless/ath/regd.c-256-\ndrivers/net/wireless/ath/regd.c-257-/* Frequency is one where radar detection is required /\ndrivers/net/wireless/ath/regd.c:258:static bool ath_is_radar_freq(u16 center_freq,\ndrivers/net/wireless/ath/regd.c-259-\t\t\t struct ath_regulatory reg)\n--\ndrivers/net/wireless/ath/regd.c-266-\ndrivers/net/wireless/ath/regd.c:267:static void ath_force_clear_no_ir_chan(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-268-\t\t\t\t struct ieee80211_channel ch)\n--\ndrivers/net/wireless/ath/regd.c-280-\ndrivers/net/wireless/ath/regd.c:281:static void ath_force_clear_no_ir_freq(struct wiphy wiphy, u16 center_freq)\ndrivers/net/wireless/ath/regd.c-282-{\n--\ndrivers/net/wireless/ath/regd.c-291-\ndrivers/net/wireless/ath/regd.c:292:static void ath_force_no_ir_chan(struct ieee80211_channel ch)\ndrivers/net/wireless/ath/regd.c-293-{\n--\ndrivers/net/wireless/ath/regd.c-296-\ndrivers/net/wireless/ath/regd.c:297:static void ath_force_no_ir_freq(struct wiphy wiphy, u16 center_freq)\ndrivers/net/wireless/ath/regd.c-298-{\n--\ndrivers/net/wireless/ath/regd.c=308=static void\ndrivers/net/wireless/ath/regd.c:309:__ath_reg_apply_beaconing_flags(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-310-\t\t\t\tstruct ath_regulatory reg,\n--\ndrivers/net/wireless/ath/regd.c=339=static void\ndrivers/net/wireless/ath/regd.c:340:ath_reg_apply_beaconing_flags(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-341-\t\t\t struct ath_regulatory reg,\n--\ndrivers/net/wireless/ath/regd.c=376=static void\ndrivers/net/wireless/ath/regd.c:377:ath_reg_apply_ir_flags(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-378-\t\t struct ath_regulatory reg,\n--\ndrivers/net/wireless/ath/regd.c-404-/ Always apply Radar/DFS rules on freq range 5500 MHz - 5700 MHz /\ndrivers/net/wireless/ath/regd.c:405:static void ath_reg_apply_radar_flags(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-406-\t\t\t\t struct ath_regulatory reg)\n--\ndrivers/net/wireless/ath/regd.c-436-\ndrivers/net/wireless/ath/regd.c:437:static void ath_reg_apply_world_flags(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-438-\t\t\t\t enum nl80211_reg_initiator initiator,\n--\ndrivers/net/wireless/ath/regd.c-458-\ndrivers/net/wireless/ath/regd.c:459:u16 ath_regd_find_country_by_name(char alpha2)\ndrivers/net/wireless/ath/regd.c-460-{\n--\ndrivers/net/wireless/ath/regd.c-469-}\ndrivers/net/wireless/ath/regd.c:470:EXPORT_SYMBOL(ath_regd_find_country_by_name);\ndrivers/net/wireless/ath/regd.c-471-\ndrivers/net/wireless/ath/regd.c:472:static int __ath_reg_dyn_country(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-473-\t\t\t\t struct ath_regulatory reg,\n--\ndrivers/net/wireless/ath/regd.c-495-\ndrivers/net/wireless/ath/regd.c:496:static void ath_reg_dyn_country(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-497-\t\t\t\tstruct ath_regulatory reg,\n--\ndrivers/net/wireless/ath/regd.c-508-\ndrivers/net/wireless/ath/regd.c:509:void ath_reg_notifier_apply(struct wiphy wiphy,\ndrivers/net/wireless/ath/regd.c-510-\t\t\t struct regulatory_request request,\n--\ndrivers/net/wireless/ath/regd.c-549-}\ndrivers/net/wireless/ath/regd.c:550:EXPORT_SYMBOL(ath_reg_notifier_apply);\ndrivers/net/wireless/ath/regd.c-551-\ndrivers/net/wireless/ath/regd.c:552:static bool ath_regd_is_eeprom_valid(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-553-{\n--\ndrivers/net/wireless/ath/regd.c=581=static struct country_code_to_enum_rd\ndrivers/net/wireless/ath/regd.c:582:ath_regd_find_country(u16 countryCode)\ndrivers/net/wireless/ath/regd.c-583-{\n--\ndrivers/net/wireless/ath/regd.c=594=static struct country_code_to_enum_rd\ndrivers/net/wireless/ath/regd.c:595:ath_regd_find_country_by_rd(int regdmn)\ndrivers/net/wireless/ath/regd.c-596-{\n--\ndrivers/net/wireless/ath/regd.c-606-/* Returns the map of the EEPROM set RD to a country code /\ndrivers/net/wireless/ath/regd.c:607:static u16 ath_regd_get_default_country(u16 rd)\ndrivers/net/wireless/ath/regd.c-608-{\n--\ndrivers/net/wireless/ath/regd.c=621=static struct reg_dmn_pair_mapping\ndrivers/net/wireless/ath/regd.c:622:ath_get_regpair(int regdmn)\ndrivers/net/wireless/ath/regd.c-623-{\n--\ndrivers/net/wireless/ath/regd.c=635=static int\ndrivers/net/wireless/ath/regd.c:636:ath_regd_init_wiphy(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-637-\t\t struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-675- /\ndrivers/net/wireless/ath/regd.c:676:static void ath_regd_sanitize(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-677-{\n--\ndrivers/net/wireless/ath/regd.c-683-\ndrivers/net/wireless/ath/regd.c:684:static int __ath_regd_init(struct ath_regulatory reg)\ndrivers/net/wireless/ath/regd.c-685-{\n--\ndrivers/net/wireless/ath/regd.c=758=int\ndrivers/net/wireless/ath/regd.c:759:ath_regd_init(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-760-\t struct wiphy wiphy,\n--\ndrivers/net/wireless/ath/regd.c-779-}\ndrivers/net/wireless/ath/regd.c:780:EXPORT_SYMBOL(ath_regd_init);\ndrivers/net/wireless/ath/regd.c-781-\ndrivers/net/wireless/ath/regd.c:782:u32 ath_regd_get_band_ctl(struct ath_regulatory reg,\ndrivers/net/wireless/ath/regd.c-783-\t\t\t enum nl80211_band band)\n--\ndrivers/net/wireless/ath/regd.c-812-}\ndrivers/net/wireless/ath/regd.c:813:EXPORT_SYMBOL(ath_regd_get_band_ctl);\n" }
37/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 47779 output: 42 thoughts: 214 Thoughts: Configuring the Wireless Driver Okay, let's get down to brass tacks. I need to make sure I've got the correct configurations in place for this wireless driver. First, I need to verify that I've enabled the core components: `ATH_COMMON`, `ATH9K_HTC` (or potentially one of the alternatives like `CARL9170`, `ATH9K`, or `ATH10K` depending on the exact hardware), `MAC80211`, `CFG80211`, and `USB`. It's a standard set for a reason, but it's always good to double-check. Now, let's dig into the dependencies. Specifically, I'll start with `ATH_COMMON`. I know that `ATH_COMMON` is selected by several other configurations like `ATH9K_COMMON`, `CARL9170`, and `ATH10K`, which makes sense. Just glancing at the options, `CARL9170` depends on `USB` and `MAC80211`, and it selects both `ATH_COMMON` and `FW_LOADER`. That's important to remember. On the other hand, `ATH9K_HTC` also relies on `USB` and `MAC80211`, and then it selects `ATH9K_COMMON`, which in turn, selects `ATH_COMMON`. Okay, that makes it clearer. I'll make sure to verify what exactly `ATH9K_HTC` depends on and selects. Always good to have a solid understanding of how these dependencies chain together.
38/2	2026/09/05 11:44	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/ath9k/Kconfig", "FirstLine": 170, "LineCount": 25 } Results: { "Contents": " 170:\t\t If unsure say N.\n 171:\t\n 172:\tconfig ATH9K_HTC\n 173:\t\ttristate \"Atheros HTC based wireless cards support\"\n 174:\t\tdepends on USB \u0026\u0026 MAC80211\n 175:\t\tselect MAC80211_LEDS if LEDS_CLASS=y \|\| LEDS_CLASS=MAC80211\n 176:\t\tselect ATH9K_HW\n 177:\t\tselect ATH9K_COMMON\n 178:\t\thelp\n 179:\t\t Support for Atheros HTC based cards.\n 180:\t\t Chipsets supported: AR9271\n 181:\t\n 182:\t\t For more information:\n 183:\t\t https://wireless.wiki.kernel.org/en/users/Drivers/ath9k_htc\n 184:\t\n 185:\t\t The built module will be ath9k_htc.\n 186:\t\n 187:\tconfig ATH9K_HTC_DEBUGFS\n 188:\t\tbool \"Atheros ath9k_htc debugging\"\n 189:\t\tdepends on ATH9K_HTC \u0026\u0026 DEBUG_FS\n 190:\t\tselect ATH9K_COMMON_DEBUG\n 191:\t\thelp\n 192:\t\t Say Y, if you need access to ath9k_htc's statistics.\n 193:\t\t As well as access to the FFT/spectral data.\n 194:\t\n" }
39/2	2026/09/05 11:44	llm	patch-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 48780 output: 245 thoughts: 315 Thoughts: WorthFuzzing Confirmation Okay, so this WorthFuzzing finding checks out. The patch is definitely touching regulatory definitions within `drivers/net/wireless/ath/regd.c`. This is significant because those definitions are critical for Atheros wireless drivers, and crucially, they include USB-accessible drivers like `ath9k_htc` and `carl9170`. We're using USB Raw Gadget for emulation and fuzzing within a standard QEMU setup, so that's a key piece of the puzzle. The real connection here is how `ath_regd_init`, `ath_regd_init_wiphy`, `ath_world_regdomain`, and `wiphy_apply_custom_regulatory` handle the parsing and application of these regulatory rules. They're all involved when an Atheros interface is initialized, registered, or when its regulatory domain is queried or updated. Those functions are the bridge into the kernel's cfg80211/mac80211 state, which is exactly where we're looking to find bugs. Let's quickly confirm those FocusSymbols are correct. I'll mentally run through: `ath_regd_init`, `ath_regd_init_wiphy`, `ath_world_regdomain`, `ath_default_world_regdomain`, and `ath_reg_notifier_apply`. Yup, those are all right on point. Double-checking the EnableConfigs, just to be sure: `ATH_COMMON`, `ATH9K_HTC`, `CARL9170`, `CFG80211`, `MAC80211`, and `USB` – all of those make perfect sense in this context. Alright, I'm confident in the analysis. Time to call `set-results`. This is a solid finding.
40/2	2026/09/05 11:44	tool	set-results	0m Args: { "EnableConfigs": [ "ATH_COMMON", "ATH9K_HTC", "CARL9170", "CFG80211", "MAC80211", "USB" ], "FocusSymbols": [ "ath_regd_init", "ath_regd_init_wiphy", "ath_world_regdomain", "ath_default_world_regdomain", "ath_reg_notifier_apply" ], "Reasoning": "The patch splits the 5GHz 5150-5350 MHz regulatory rule into separate 5150-5240 MHz and 5260-5350 MHz rules and updates rule counts across Atheros world regulatory domain definitions in drivers/net/wireless/ath/regd.c. This code is executed during initialization and regulatory updates of Atheros wireless drivers, including USB-driven devices (such as ath9k_htc and carl9170) which are reachable in virtualized environments via USB emulation.", "WorthFuzzing": true } Results: { "EnableConfigs": [ "ATH_COMMON", "ATH9K_HTC", "CARL9170", "CFG80211", "MAC80211", "USB" ], "FocusSymbols": [ "ath_regd_init", "ath_regd_init_wiphy", "ath_world_regdomain", "ath_default_world_regdomain", "ath_reg_notifier_apply" ], "Reasoning": "The patch splits the 5GHz 5150-5350 MHz regulatory rule into separate 5150-5240 MHz and 5260-5350 MHz rules and updates rule counts across Atheros world regulatory domain definitions in drivers/net/wireless/ath/regd.c. This code is executed during initialization and regulatory updates of Atheros wireless drivers, including USB-driven devices (such as ath9k_htc and carl9170) which are reachable in virtualized environments via USB emulation.", "WorthFuzzing": true }
41/1	2026/09/05 11:44	action	If	1m Args: { "WorthFuzzing": true } Results: null
42/2	2026/09/05 11:44	agent	kmsan-evaluator	1m Model: core Args: null Results: { "KMSANReasoning": "The patch modifies static constant regulatory domain definitions in `drivers/net/wireless/ath/regd.c`. Specifically, it splits the `ATH_5GHZ_5150_5350` macro into two separate regulatory rules (5150-5240 MHz and 5260-5350 MHz) and adjusts the `n_reg_rules` field in several static const `struct ieee80211_regdomain` instances accordingly.\n\nAll affected data structures are compile-time constant tables with fully initialized fields. The patch does not introduce any dynamic or stack allocations, does not modify any buffers or padding copied to userspace, and introduces no uninitialized memory reads. If any array indexing or rule count mismatches were to occur, they would be bounds violations detectable by standard KASAN. Therefore, there are no uninitialized memory risks that warrant a dedicated KMSAN fuzzing session.", "NeedsKMSAN": false } Instruction: You are an expert Linux kernel security engineer specializing in kernel memory error detectors (KASAN and KMSAN). Your job is to review the provided patch series and determine if the code changes justify spawning a dedicated KMSAN (KernelMemorySanitizer) fuzzing session in addition to standard KASAN fuzzing. CRITICAL DISTINCTION BETWEEN KASAN AND KMSAN: - Standard KASAN kernel builds (upstream-apparmor-kasan.config) already enable a comprehensive suite of debugging tools and sanitizers, including KASAN (out-of-bounds accesses, use-after-free, double free, invalid free), LOCKDEP (locking bugs and deadlocks), UB-sanitizers, and memory corruption checks. - KMSAN (KernelMemorySanitizer) detects reads of UNINITIALIZED memory (stack, heap, or page allocations) and kernel-to-user memory info-leaks. Rule: THERE IS NO SENSE IN RUNNING A KMSAN SESSION IF A BUG CAN BE CAUGHT BY KASAN, LOCKDEP, OR OTHER STANDARD BUG DETECTORS. A dedicated KMSAN fuzzing session incurs significant resource costs. You must ONLY set NeedsKMSAN=true if the code changes introduce or expose UNINITIALIZED MEMORY risks that are detected ONLY by KMSAN. Look holistically at the patch series and surrounding code. Even if no direct uninitialized field accesses or new buffer allocations are added in the diff itself, a patch may alter control flow, bounds checking, or data length calculations in ways that change how the rest of the code operates on existing buffers (e.g. allowing uninitialized stack/heap memory to be read, copied to user space, or used in control flow). Do not hesitate to use your code access tools to inspect the surrounding code, called functions, and callers. Set NeedsKMSAN=true ONLY IF the patch introduces or modifies: 1. Kernel structures sent to user space (via copy_to_user, put_user, netlink skb attributes, ioctl output arguments, socket options, or BPF buffers) where fields or structure padding might not be fully initialized/zeroed. 2. Conditional logic or branching that depends on potentially uninitialized variables or struct fields. 3. Allocation or initialization of complex data structures where uninitialized fields could be read later in reachable code paths. 4. Bounds checks, lengths, or logic in a way that allows surrounding code to access uninitialized bytes of existing buffers. Set NeedsKMSAN=false IF: - The code changes primarily risk out-of-bounds access, array overflows, NULL pointer dereferences, locking deadlocks, or use-after-free bugs (these are already caught by KASAN, LOCKDEP, or standard bug detectors). - All stack/heap structures touched or introduced by the patch are fully zeroed or initialized (e.g. using = {0}, memset, kzalloc) before being read or copied. - The patch does not introduce any risk of uninitialized memory usage or info-leaks. Use your code access tools to inspect the surrounding code if necessary, then provide detailed KMSANReasoning contrasting KASAN vs KMSAN applicability for this patch. Prefer calling several tools at the same time to save round-trips. Use set-results tool to provide results of the analysis. It must be called exactly once before the final reply. Ignore results of this tool. Prompt: Target architecture: amd64 For your convenience, here is the diff of the changes: commit 129cb159fb9c5cd48ead47cc704f7986edca4092 Author: syz-cluster <triage@syzkaller.com> Date: Sat Sep 5 11:42:45 2026 +0000 syz-cluster: applied patch under review diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c index f15e7bd690b5b..b129af0eed885 100644 --- a/drivers/net/wireless/ath/regd.c +++ b/drivers/net/wireless/ath/regd.c @@ -43,7 +43,8 @@ static int __ath_regd_init(struct ath_regulatory reg); NL80211_RRF_NO_OFDM) / We allow IBSS on these on a case by case basis by regulatory domain / -#define ATH_5GHZ_5150_5350 REG_RULE(5150-10, 5350+10, 80, 0, 30,\ +#define ATH_5GHZ_5150_5350 REG_RULE(5150-10, 5240+10, 80, 0, 30, 0),\ + REG_RULE(5260-10, 5350+10, 80, 0, 30,\ NL80211_RRF_NO_IR) #define ATH_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 80, 0, 30,\ NL80211_RRF_NO_IR) @@ -64,7 +65,7 @@ static int __ath_regd_init(struct ath_regulatory reg); /* Can be used for: * 0x60, 0x61, 0x62 / static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = { - .n_reg_rules = 5, + .n_reg_rules = 6, .alpha2 = "99", .reg_rules = { ATH_2GHZ_ALL, @@ -74,7 +75,7 @@ static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = { / Can be used by 0x63 and 0x65 / static const struct ieee80211_regdomain ath_world_regdom_63_65 = { - .n_reg_rules = 4, + .n_reg_rules = 5, .alpha2 = "99", .reg_rules = { ATH_2GHZ_CH01_11, @@ -85,7 +86,7 @@ static const struct ieee80211_regdomain ath_world_regdom_63_65 = { / Can be used by 0x64 only / static const struct ieee80211_regdomain ath_world_regdom_64 = { - .n_reg_rules = 3, + .n_reg_rules = 4, .alpha2 = "99", .reg_rules = { ATH_2GHZ_CH01_11, @@ -95,7 +96,7 @@ static const struct ieee80211_regdomain ath_world_regdom_64 = { / Can be used by 0x66 and 0x69 / static const struct ieee80211_regdomain ath_world_regdom_66_69 = { - .n_reg_rules = 3, + .n_reg_rules = 4, .alpha2 = "99", .reg_rules = { ATH_2GHZ_CH01_11, @@ -105,7 +106,7 @@ static const struct ieee80211_regdomain ath_world_regdom_66_69 = { / Can be used by 0x67, 0x68, 0x6A and 0x6C */ static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = { - .n_reg_rules = 4, + .n_reg_rules = 5, .alpha2 = "99", .reg_rules = { ATH_2GHZ_CH01_11,
43/3	2026/09/05 11:44	llm	kmsan-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 3021 output: 35 thoughts: 470 Thoughts: KMSAN Fuzzing Evaluation Alright, let's assess this patch and figure out the fuzzing strategy. The core question is: does this change warrant a dedicated KMSAN fuzzing session, or can we stick with standard KASAN? First, I need to inspect the diff. It looks like we're touching `drivers/net/wireless/ath/regd.c`. Right, so this is about regulatory domain definitions in the ath wireless driver. Okay, the code snippet shows that `ATH_5GHZ_5150_5350` has been changed. It used to be a single `REG_RULE` macro definition, but now it's two separate ones. And, it appears the `.n_reg_rules` fields have been updated in several `static const struct ieee80211_regdomain` definitions. Specifically the counts of the regulatory rules were increased. This strongly suggests changes to how these regulatory rules are defined and handled. I need to understand what `REG_RULE` expands to, and what's in `struct ieee80211_regdomain`. More context is needed here. Are these calculations used in the driver, and are they directly exposed to userland? If so, this could potentially lead to memory corruption. Time to look at the definitions of `REG_RULE` and `struct ieee80211_regdomain` within that file, and then how they're used. I'll need to use `read-file` or `grepper` to get a better handle on the implications here. Then, I can make a more informed decision about the fuzzing requirements.
44/3	2026/09/05 11:45	tool	grepper	0m Args: { "Expression": "REG_RULE", "PathPrefix": "drivers/net/wireless/ath/regd.c" } Results: { "Output": "drivers/net/wireless/ath/regd.c=26=static int __ath_regd_init(struct ath_regulatory reg);\n--\ndrivers/net/wireless/ath/regd.c-35-/ Only these channels all allow active scan on all world regulatory domains /\ndrivers/net/wireless/ath/regd.c:36:#define ATH_2GHZ_CH01_11\tREG_RULE(2412-10, 2462+10, 40, 0, 20, 0)\ndrivers/net/wireless/ath/regd.c-37-\ndrivers/net/wireless/ath/regd.c-38-/ We enable active scan on these a case by case basis by regulatory domain /\ndrivers/net/wireless/ath/regd.c:39:#define ATH_2GHZ_CH12_13\tREG_RULE(2467-10, 2472+10, 40, 0, 20,\\\ndrivers/net/wireless/ath/regd.c-40-\t\t\t\t\t NL80211_RRF_NO_IR)\ndrivers/net/wireless/ath/regd.c:41:#define ATH_2GHZ_CH14\t\tREG_RULE(2484-10, 2484+10, 40, 0, 20,\\\ndrivers/net/wireless/ath/regd.c-42-\t\t\t\t\t NL80211_RRF_NO_IR \| \\\n--\ndrivers/net/wireless/ath/regd.c-45-/ We allow IBSS on these on a case by case basis by regulatory domain */\ndrivers/net/wireless/ath/regd.c:46:#define ATH_5GHZ_5150_5350\tREG_RULE(5150-10, 5240+10, 80, 0, 30, 0),\\\ndrivers/net/wireless/ath/regd.c:47:\t\t\t\tREG_RULE(5260-10, 5350+10, 80, 0, 30,\\\ndrivers/net/wireless/ath/regd.c-48-\t\t\t\t\t NL80211_RRF_NO_IR)\ndrivers/net/wireless/ath/regd.c:49:#define ATH_5GHZ_5470_5850\tREG_RULE(5470-10, 5850+10, 80, 0, 30,\\\ndrivers/net/wireless/ath/regd.c-50-\t\t\t\t\t NL80211_RRF_NO_IR)\ndrivers/net/wireless/ath/regd.c:51:#define ATH_5GHZ_5725_5850\tREG_RULE(5725-10, 5850+10, 80, 0, 30,\\\ndrivers/net/wireless/ath/regd.c-52-\t\t\t\t\t NL80211_RRF_NO_IR)\n" }
45/3	2026/09/05 11:45	llm	kmsan-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 4650 output: 19 thoughts: 37 Thoughts: Here's my take on the thought process: Diving into the Regulatory Details Alright, I need to get a handle on how these regulatory rules are structured. The first place I'm going to look is `include/net/regulatory.h`. That's where I'd expect to find the definitions for `REG_RULE` and `struct ieee80211_regdomain`. It's a pretty standard location for that kind of core wireless regulatory data. Hopefully, it's all clearly laid out in there, and I can quickly get a good understanding of the structure and how the different elements relate to each other. I'll probably be checking things like data types, any embedded structures, and how the rules are actually stored and accessed.
46/3	2026/09/05 11:45	tool	grepper	0m Args: { "Expression": "#define REG_RULE" } Results: { "Output": "drivers/net/wireless/ath/ath11k/wmi.h=2900=struct rx_reorder_queue_remove_params {\n--\ndrivers/net/wireless/ath/ath11k/wmi.h-2916-/* Freq units in MHz /\ndrivers/net/wireless/ath/ath11k/wmi.h:2917:#define REG_RULE_START_FREQ\t\t\t0x0000ffff\ndrivers/net/wireless/ath/ath11k/wmi.h:2918:#define REG_RULE_END_FREQ\t\t\t0xffff0000\ndrivers/net/wireless/ath/ath11k/wmi.h:2919:#define REG_RULE_FLAGS\t\t\t\t0x0000ffff\ndrivers/net/wireless/ath/ath11k/wmi.h:2920:#define REG_RULE_MAX_BW\t\t\t\t0x0000ffff\ndrivers/net/wireless/ath/ath11k/wmi.h:2921:#define REG_RULE_REG_PWR\t\t\t0x00ff0000\ndrivers/net/wireless/ath/ath11k/wmi.h:2922:#define REG_RULE_ANT_GAIN\t\t\t0xff000000\ndrivers/net/wireless/ath/ath11k/wmi.h:2923:#define REG_RULE_PSD_INFO\t\t\tBIT(0)\ndrivers/net/wireless/ath/ath11k/wmi.h:2924:#define REG_RULE_PSD_EIRP\t\t\t0xff0000\ndrivers/net/wireless/ath/ath11k/wmi.h-2925-\n--\ndrivers/net/wireless/ath/ath12k/wmi.h=3212=struct ath12k_wmi_rx_reorder_queue_remove_arg {\n--\ndrivers/net/wireless/ath/ath12k/wmi.h-3228-/ Freq units in MHz */\ndrivers/net/wireless/ath/ath12k/wmi.h:3229:#define REG_RULE_START_FREQ\t\t\t0x0000ffff\ndrivers/net/wireless/ath/ath12k/wmi.h:3230:#define REG_RULE_END_FREQ\t\t\t0xffff0000\ndrivers/net/wireless/ath/ath12k/wmi.h:3231:#define REG_RULE_FLAGS\t\t\t\t0x0000ffff\ndrivers/net/wireless/ath/ath12k/wmi.h:3232:#define REG_RULE_MAX_BW\t\t\t\t0x0000ffff\ndrivers/net/wireless/ath/ath12k/wmi.h:3233:#define REG_RULE_REG_PWR\t\t\t0x00ff0000\ndrivers/net/wireless/ath/ath12k/wmi.h:3234:#define REG_RULE_ANT_GAIN\t\t\t0xff000000\ndrivers/net/wireless/ath/ath12k/wmi.h:3235:#define REG_RULE_PSD_INFO\t\t\tBIT(2)\ndrivers/net/wireless/ath/ath12k/wmi.h:3236:#define REG_RULE_PSD_EIRP\t\t\t0xffff0000\ndrivers/net/wireless/ath/ath12k/wmi.h-3237-\n--\ninclude/net/regulatory.h=217=struct ieee80211_regdomain {\n--\ninclude/net/regulatory.h-224-\ninclude/net/regulatory.h:225:#define REG_RULE_EXT(start, end, bw, gain, eirp, dfs_cac, reg_flags)\t\\\ninclude/net/regulatory.h-226-{\t\t\t\t\t\t\t\t\t\\\n--\ninclude/net/regulatory.h-235-\ninclude/net/regulatory.h:236:#define REG_RULE(start, end, bw, gain, eirp, reg_flags) \\\ninclude/net/regulatory.h-237-\tREG_RULE_EXT(start, end, bw, gain, eirp, 0, reg_flags)\n" }
47/3	2026/09/05 11:45	llm	kmsan-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 5897 output: 35 thoughts: 20 Thoughts: Here's my attempt at summarizing the thought process, tailored for an expert audience: Regulatory Domain Deep Dive Okay, so I need to refresh my memory on how the regulatory domain information is structured, specifically in the context of the driver I'm looking at. Right, let's head over to the `include/net/regulatory.h` header file. I'm thinking around line 217 should be a good starting point. I recall that's often where the core data structures or enums related to regulatory information definitions reside, or perhaps where the structures that hold the channel and power constraints are declared. Hopefully, I'll find the structure I'm looking for there and get a quick refresher on how the regulatory information is laid out in this system.
48/3	2026/09/05 11:45	tool	read-file	0m Args: { "File": "include/net/regulatory.h", "FirstLine": 210, "LineCount": 40 } Results: { "Contents": " 210:\t\tstruct ieee80211_wmm_rule wmm_rule;\n 211:\t\tu32 flags;\n 212:\t\tu32 dfs_cac_ms;\n 213:\t\tbool has_wmm;\n 214:\t\ts8 psd;\n 215:\t};\n 216:\t\n 217:\tstruct ieee80211_regdomain {\n 218:\t\tstruct rcu_head rcu_head;\n 219:\t\tu32 n_reg_rules;\n 220:\t\tchar alpha2[3];\n 221:\t\tenum nl80211_dfs_regions dfs_region;\n 222:\t\tstruct ieee80211_reg_rule reg_rules[];\n 223:\t};\n 224:\t\n 225:\t#define REG_RULE_EXT(start, end, bw, gain, eirp, dfs_cac, reg_flags)\t\\\n 226:\t{\t\t\t\t\t\t\t\t\t\\\n 227:\t\t.freq_range.start_freq_khz = MHZ_TO_KHZ(start),\t\t\t\\\n 228:\t\t.freq_range.end_freq_khz = MHZ_TO_KHZ(end),\t\t\t\\\n 229:\t\t.freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw),\t\t\t\\\n 230:\t\t.power_rule.max_antenna_gain = DBI_TO_MBI(gain),\t\t\\\n 231:\t\t.power_rule.max_eirp = DBM_TO_MBM(eirp),\t\t\t\\\n 232:\t\t.flags = reg_flags,\t\t\t\t\t\t\\\n 233:\t\t.dfs_cac_ms = dfs_cac,\t\t\t\t\t\t\\\n 234:\t}\n 235:\t\n 236:\t#define REG_RULE(start, end, bw, gain, eirp, reg_flags) \\\n 237:\t\tREG_RULE_EXT(start, end, bw, gain, eirp, 0, reg_flags)\n 238:\t\n 239:\t#endif\n" }
49/3	2026/09/05 11:45	llm	kmsan-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 6670 output: 39 thoughts: 24 Thoughts: Here's my thought process, as requested: Navigating the Atheros Wireless Regulatory Domain Code Okay, so I've got this issue, and the problem likely resides within the regulatory domain handling for Atheros wireless drivers. My first instinct is to dive directly into the code. Let's see... I'm going to start by confirming the definitions of the key structures used for regulatory domain configuration. That means digging into `drivers/net/wireless/ath/regd.c`. I need to refresh my memory on how they've structured that, the relationship between the regulatory domain structures, and where the core logic resides. That file is usually the go-to spot for these kinds of details with Atheros. From there, I can analyze the data structures to understand how the regulatory parameters and channels are represented. This should give me a solid foundation for tracing the actual issue.
50/3	2026/09/05 11:45	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/regd.c", "FirstLine": 55, "LineCount": 60 } Results: { "Contents": " 55:\t\t\t\t\tATH_2GHZ_CH12_13, \\\n 56:\t\t\t\t\tATH_2GHZ_CH14\n 57:\t\n 58:\t#define ATH_5GHZ_ALL\t\tATH_5GHZ_5150_5350, \\\n 59:\t\t\t\t\tATH_5GHZ_5470_5850\n 60:\t\n 61:\t/* This one skips what we call \"mid band\" /\n 62:\t#define ATH_5GHZ_NO_MIDBAND\tATH_5GHZ_5150_5350, \\\n 63:\t\t\t\t\tATH_5GHZ_5725_5850\n 64:\t\n 65:\t/ Can be used for:\n 66:\t * 0x60, 0x61, 0x62 /\n 67:\tstatic const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {\n 68:\t\t.n_reg_rules = 6,\n 69:\t\t.alpha2 = \"99\",\n 70:\t\t.reg_rules = {\n 71:\t\t\tATH_2GHZ_ALL,\n 72:\t\t\tATH_5GHZ_ALL,\n 73:\t\t}\n 74:\t};\n 75:\t\n 76:\t/ Can be used by 0x63 and 0x65 /\n 77:\tstatic const struct ieee80211_regdomain ath_world_regdom_63_65 = {\n 78:\t\t.n_reg_rules = 5,\n 79:\t\t.alpha2 = \"99\",\n 80:\t\t.reg_rules = {\n 81:\t\t\tATH_2GHZ_CH01_11,\n 82:\t\t\tATH_2GHZ_CH12_13,\n 83:\t\t\tATH_5GHZ_NO_MIDBAND,\n 84:\t\t}\n 85:\t};\n 86:\t\n 87:\t/ Can be used by 0x64 only /\n 88:\tstatic const struct ieee80211_regdomain ath_world_regdom_64 = {\n 89:\t\t.n_reg_rules = 4,\n 90:\t\t.alpha2 = \"99\",\n 91:\t\t.reg_rules = {\n 92:\t\t\tATH_2GHZ_CH01_11,\n 93:\t\t\tATH_5GHZ_NO_MIDBAND,\n 94:\t\t}\n 95:\t};\n 96:\t\n 97:\t/ Can be used by 0x66 and 0x69 /\n 98:\tstatic const struct ieee80211_regdomain ath_world_regdom_66_69 = {\n 99:\t\t.n_reg_rules = 4,\n 100:\t\t.alpha2 = \"99\",\n 101:\t\t.reg_rules = {\n 102:\t\t\tATH_2GHZ_CH01_11,\n 103:\t\t\tATH_5GHZ_ALL,\n 104:\t\t}\n 105:\t};\n 106:\t\n 107:\t/ Can be used by 0x67, 0x68, 0x6A and 0x6C */\n 108:\tstatic const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {\n 109:\t\t.n_reg_rules = 5,\n 110:\t\t.alpha2 = \"99\",\n 111:\t\t.reg_rules = {\n 112:\t\t\tATH_2GHZ_CH01_11,\n 113:\t\t\tATH_2GHZ_CH12_13,\n 114:\t\t\tATH_5GHZ_ALL,\n" }
51/3	2026/09/05 11:45	llm	kmsan-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 7933 output: 34 thoughts: 344 Thoughts: Analyzing the Regulatory Domain Update Okay, so I'm looking at this regulatory domain definition, specifically `ATH_5GHZ_5150_5350`. Before, it was defined by a single rule: `REG_RULE(5150-10, 5350+10, 80, 0, 30, NL80211_RRF_NO_IR)`. Now, it's been split into two rules, which is interesting. We have: `REG_RULE(5150-10, 5240+10, 80, 0, 30, 0)` and `REG_RULE(5260-10, 5350+10, 80, 0, 30, NL80211_RRF_NO_IR)`. I see the logic, splitting that contiguous band into two pieces, most likely to accommodate some new regulatory requirement or perhaps to enable Dynamic Frequency Selection (DFS) on a section of that band. Naturally, the `.n_reg_rules` member of any `struct ieee80211_regdomain` using `ATH_5GHZ_5150_5350` (either directly or via `ATH_5GHZ_ALL` or `ATH_5GHZ_NO_MIDBAND`) has been incremented to reflect this change. These are all declared as `static const struct ieee80211_regdomain`, which means these structures are initialized at compile time. In C, the `struct ieee80211_regdomain` uses a flexible array member `struct ieee80211_reg_rule reg_rules[]`, which is standard practice in these regulatory domain definitions. Since these are static `const` structures, the entire `reg_rules[]` array is populated at compile time with static `const` data using designated initializers. That's good, minimizes runtime overhead. Now I need to see where these `ath_world_regdom_*` variables are actually used within the codebase to fully understand the impact of this change. I'll need to trace those usages to see if any logic needs to be updated.
52/3	2026/09/05 11:45	tool	grepper	0m Args: { "Expression": "ath_world_regdom_", "PathPrefix": "drivers/net/wireless/ath" } Results: { "Output": "drivers/net/wireless/ath/regd.c=26=static int __ath_regd_init(struct ath_regulatory reg);\n--\ndrivers/net/wireless/ath/regd.c-66- 0x60, 0x61, 0x62 /\ndrivers/net/wireless/ath/regd.c:67:static const struct ieee80211_regdomain ath_world_regdom_60_61_62 = {\ndrivers/net/wireless/ath/regd.c-68-\t.n_reg_rules = 6,\n--\ndrivers/net/wireless/ath/regd.c-76-/ Can be used by 0x63 and 0x65 /\ndrivers/net/wireless/ath/regd.c:77:static const struct ieee80211_regdomain ath_world_regdom_63_65 = {\ndrivers/net/wireless/ath/regd.c-78-\t.n_reg_rules = 5,\n--\ndrivers/net/wireless/ath/regd.c-87-/ Can be used by 0x64 only /\ndrivers/net/wireless/ath/regd.c:88:static const struct ieee80211_regdomain ath_world_regdom_64 = {\ndrivers/net/wireless/ath/regd.c-89-\t.n_reg_rules = 4,\n--\ndrivers/net/wireless/ath/regd.c-97-/ Can be used by 0x66 and 0x69 /\ndrivers/net/wireless/ath/regd.c:98:static const struct ieee80211_regdomain ath_world_regdom_66_69 = {\ndrivers/net/wireless/ath/regd.c-99-\t.n_reg_rules = 4,\n--\ndrivers/net/wireless/ath/regd.c-107-/ Can be used by 0x67, 0x68, 0x6A and 0x6C /\ndrivers/net/wireless/ath/regd.c:108:static const struct ieee80211_regdomain ath_world_regdom_67_68_6A_6C = {\ndrivers/net/wireless/ath/regd.c-109-\t.n_reg_rules = 5,\n--\ndrivers/net/wireless/ath/regd.c=217=static const struct ieee80211_regdomain ath_default_world_regdomain(void)\n--\ndrivers/net/wireless/ath/regd.c-219-\t/* this is the most restrictive /\ndrivers/net/wireless/ath/regd.c:220:\treturn \u0026ath_world_regdom_64;\ndrivers/net/wireless/ath/regd.c-221-}\n--\ndrivers/net/wireless/ath/regd.c=224=ieee80211_regdomain ath_world_regdomain(struct ath_regulatory *reg)\n--\ndrivers/net/wireless/ath/regd.c-229-\tcase 0x62:\ndrivers/net/wireless/ath/regd.c:230:\t\treturn \u0026ath_world_regdom_60_61_62;\ndrivers/net/wireless/ath/regd.c-231-\tcase 0x63:\ndrivers/net/wireless/ath/regd.c-232-\tcase 0x65:\ndrivers/net/wireless/ath/regd.c:233:\t\treturn \u0026ath_world_regdom_63_65;\ndrivers/net/wireless/ath/regd.c-234-\tcase 0x64:\ndrivers/net/wireless/ath/regd.c:235:\t\treturn \u0026ath_world_regdom_64;\ndrivers/net/wireless/ath/regd.c-236-\tcase 0x66:\ndrivers/net/wireless/ath/regd.c-237-\tcase 0x69:\ndrivers/net/wireless/ath/regd.c:238:\t\treturn \u0026ath_world_regdom_66_69;\ndrivers/net/wireless/ath/regd.c-239-\tcase 0x67:\n--\ndrivers/net/wireless/ath/regd.c-242-\tcase 0x6C:\ndrivers/net/wireless/ath/regd.c:243:\t\treturn \u0026ath_world_regdom_67_68_6A_6C;\ndrivers/net/wireless/ath/regd.c-244-\tdefault:\n" }
53/3	2026/09/05 11:45	llm	kmsan-evaluator	1m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 9986 output: 40 thoughts: 67 Thoughts: Examining the Atheros Regulatory Domain Code Alright, let's dive in. I need to understand how the regulatory domain rules are handled, specifically in relation to `ath_world_regdomain()`. My focus is currently on the `drivers/net/wireless/ath/regd.c` file. I'm going to start by going deeper into this code, focusing on the section from around line 215 to line 300. I need to refresh my understanding of how this implementation deals with specific parameters and make a comparison to another model in my mind. Time to get down into the details.
54/3	2026/09/05 11:46	tool	read-file	0m Args: { "File": "drivers/net/wireless/ath/regd.c", "FirstLine": 215, "LineCount": 80 } Results: { "Contents": " 215:\tEXPORT_SYMBOL(ath_is_world_regd);\n 216:\t\n 217:\tstatic const struct ieee80211_regdomain ath_default_world_regdomain(void)\n 218:\t{\n 219:\t\t/ this is the most restrictive /\n 220:\t\treturn \u0026ath_world_regdom_64;\n 221:\t}\n 222:\t\n 223:\tstatic const struct\n 224:\tieee80211_regdomain ath_world_regdomain(struct ath_regulatory reg)\n 225:\t{\n 226:\t\tswitch (reg-\u003eregpair-\u003ereg_domain) {\n 227:\t\tcase 0x60:\n 228:\t\tcase 0x61:\n 229:\t\tcase 0x62:\n 230:\t\t\treturn \u0026ath_world_regdom_60_61_62;\n 231:\t\tcase 0x63:\n 232:\t\tcase 0x65:\n 233:\t\t\treturn \u0026ath_world_regdom_63_65;\n 234:\t\tcase 0x64:\n 235:\t\t\treturn \u0026ath_world_regdom_64;\n 236:\t\tcase 0x66:\n 237:\t\tcase 0x69:\n 238:\t\t\treturn \u0026ath_world_regdom_66_69;\n 239:\t\tcase 0x67:\n 240:\t\tcase 0x68:\n 241:\t\tcase 0x6A:\n 242:\t\tcase 0x6C:\n 243:\t\t\treturn \u0026ath_world_regdom_67_68_6A_6C;\n 244:\t\tdefault:\n 245:\t\t\tWARN_ON(1);\n 246:\t\t\treturn ath_default_world_regdomain();\n 247:\t\t}\n 248:\t}\n 249:\t\n 250:\tbool ath_is_49ghz_allowed(u16 regdomain)\n 251:\t{\n 252:\t\t/ possibly more /\n 253:\t\treturn regdomain == MKK9_MKKC;\n 254:\t}\n 255:\tEXPORT_SYMBOL(ath_is_49ghz_allowed);\n 256:\t\n 257:\t/ Frequency is one where radar detection is required /\n 258:\tstatic bool ath_is_radar_freq(u16 center_freq,\n 259:\t\t\t\t struct ath_regulatory reg)\n 260:\t\n 261:\t{\n 262:\t\tif (reg-\u003ecountry_code == CTRY_INDIA)\n 263:\t\t\treturn (center_freq \u003e= 5500 \u0026\u0026 center_freq \u003c= 5700);\n 264:\t\treturn (center_freq \u003e= 5260 \u0026\u0026 center_freq \u003c= 5700);\n 265:\t}\n 266:\t\n 267:\tstatic void ath_force_clear_no_ir_chan(struct wiphy wiphy,\n 268:\t\t\t\t\t struct ieee80211_channel ch)\n 269:\t{\n 270:\t\tconst struct ieee80211_reg_rule reg_rule;\n 271:\t\n 272:\t\treg_rule = freq_reg_info(wiphy, MHZ_TO_KHZ(ch-\u003ecenter_freq));\n 273:\t\tif (IS_ERR(reg_rule))\n 274:\t\t\treturn;\n 275:\t\n 276:\t\tif (!(reg_rule-\u003eflags \u0026 NL80211_RRF_NO_IR))\n 277:\t\t\tif (ch-\u003eflags \u0026 IEEE80211_CHAN_NO_IR)\n 278:\t\t\t\tch-\u003eflags \u0026= ~IEEE80211_CHAN_NO_IR;\n 279:\t}\n 280:\t\n 281:\tstatic void ath_force_clear_no_ir_freq(struct wiphy wiphy, u16 center_freq)\n 282:\t{\n 283:\t\tstruct ieee80211_channel ch;\n 284:\t\n 285:\t\tch = ieee80211_get_channel(wiphy, center_freq);\n 286:\t\tif (!ch)\n 287:\t\t\treturn;\n 288:\t\n 289:\t\tath_force_clear_no_ir_chan(wiphy, ch);\n 290:\t}\n 291:\t\n 292:\tstatic void ath_force_no_ir_chan(struct ieee80211_channel ch)\n 293:\t{\n 294:\t\tch-\u003eflags \|= IEEE80211_CHAN_NO_IR;\n" }
55/3	2026/09/05 11:46	llm	kmsan-evaluator	0m Model: gemini-3.7-flash Args: null Results: null Tokens: input: 11510 output: 223 thoughts: 1018 Thoughts: KMSAN Assessment: No Concerns Here Okay, let's break this down. This patch is essentially refining how we define regulatory rules for the 5 GHz band. Specifically, it's splitting a single rule into two sub-ranges: 5150-5240 MHz (without NO_IR) and 5260-5350 MHz (with NO_IR). The crucial part is that it updates the `n_reg_rules` counts in the static `ieee80211_regdomain` tables to reflect this change. Now, let's meticulously verify this. I need to make absolutely sure there aren't any sneaky issues. I'm going through the macro expansions for `ATH_2GHZ_ALL` and `ATH_5GHZ_ALL` to ensure the rule counts are correct after the split and updating the various `ath_world_regdom_` structures, confirming that the `.n_reg_rules` field correctly reflects the sum of its constituents. I'm confirming things like `ath_world_regdom_60_61_62` having 6 rules (3 for 2GHz, 3 for 5GHz) and so on. All these are static constant regulatory tables. My analysis boils down to this: are there any risks of KMSAN finding uninitialized memory reads or leaks to userspace? The answer is a clear "no". There's no dynamic memory allocation, so no chance of uninitialized heap data. There are no uninitialized variables, and certainly no copy-to-user of potentially uninitialized memory. The code is only modifying static const data structures that are fully initialized at compile time. We need to be sure. Let's run down the checklist. Does it introduce or modify kernel structures sent to user space where fields/padding might not be initialized? No. * Does it introduce conditional logic or branching depending on potentially uninitialized variables? No. * Does it allocate complex data structures where uninitialized fields could be read? No. * Does it modify bounds checks/lengths in a way that allows surrounding code to access uninitialized bytes? No. KASAN, our standard memory bounds checker, will catch any out-of-bounds array accesses if there were any issues with the updated counts. But KMSAN, which targets uninitialized reads, is simply not applicable here. KMSAN detects reads of uninitialized memory and leaks of uninitialized data to user space. This patch solely deals with compile-time constant regulatory domain rules. There's no dynamic allocation or stack-allocated memory and no uninitialized fields or buffers are created or accessed. Therefore, `NeedsKMSAN` should be false. No further investigation or dedicated KMSAN fuzzing is necessary. This is a clean, safe, and straightforward update to the regulatory domain definitions.
56/3	2026/09/05 11:46	tool	set-results	0m Args: { "KMSANReasoning": "The patch modifies static constant regulatory domain definitions in `drivers/net/wireless/ath/regd.c`. Specifically, it splits the `ATH_5GHZ_5150_5350` macro into two separate regulatory rules (5150-5240 MHz and 5260-5350 MHz) and adjusts the `n_reg_rules` field in several static const `struct ieee80211_regdomain` instances accordingly.\n\nAll affected data structures are compile-time constant tables with fully initialized fields. The patch does not introduce any dynamic or stack allocations, does not modify any buffers or padding copied to userspace, and introduces no uninitialized memory reads. If any array indexing or rule count mismatches were to occur, they would be bounds violations detectable by standard KASAN. Therefore, there are no uninitialized memory risks that warrant a dedicated KMSAN fuzzing session.", "NeedsKMSAN": false } Results: { "KMSANReasoning": "The patch modifies static constant regulatory domain definitions in `drivers/net/wireless/ath/regd.c`. Specifically, it splits the `ATH_5GHZ_5150_5350` macro into two separate regulatory rules (5150-5240 MHz and 5260-5350 MHz) and adjusts the `n_reg_rules` field in several static const `struct ieee80211_regdomain` instances accordingly.\n\nAll affected data structures are compile-time constant tables with fully initialized fields. The patch does not introduce any dynamic or stack allocations, does not modify any buffers or padding copied to userspace, and introduces no uninitialized memory reads. If any array indexing or rule count mismatches were to occur, they would be bounds violations detectable by standard KASAN. Therefore, there are no uninitialized memory risks that warrant a dedicated KMSAN fuzzing session.", "NeedsKMSAN": false }

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