AI Trajectory

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch modifies firmware parsing and ACPI/UEFI table parsing logic in the Intel Wireless WiFi (iwlwifi) driver. This is a hardware-specific PCI driver. Since syzkaller and virtualized environments like QEMU/GCE do not emulate Intel Wi-Fi PCI hardware, the driver will never probe. Consequently, the firmware request and parsing paths (e.g., iwl_req_fw_callback, iwl_parse_tlv_firmware) are completely unreachable and cannot be fuzzed.",
  "WorthFuzzing": false
}

null

{
  "PatchDiff": "commit 5230f5f6b7c058c9c6ffb58496f72e8ca5c6e309\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Fri Jul 17 19:49:44 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c\nindex bf0f851a907554..430a7642e01a32 100644\n--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c\n+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c\n@@ -865,6 +865,11 @@ int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\n \t\t\t\t\t\t       min_size, max_size,\n \t\t\t\t\t\t       \u0026tbl_rev);\n \t\tif (!IS_ERR(wifi_pkg)) {\n+\t\t\tif (tbl_rev \u003c 0 ||\n+\t\t\t    tbl_rev \u003e= BITS_PER_BYTE *\n+\t\t\t    sizeof(rev_data[idx].revisions))\n+\t\t\t\tcontinue;\n+\n \t\t\tif (!(BIT(tbl_rev) \u0026 rev_data[idx].revisions))\n \t\t\t\tcontinue;\n \ndiff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.c b/drivers/net/wireless/intel/iwlwifi/fw/uefi.c\nindex 2ef0a7a920adb5..014f22c42f41a9 100644\n--- a/drivers/net/wireless/intel/iwlwifi/fw/uefi.c\n+++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.c\n@@ -700,7 +700,7 @@ int iwl_uefi_get_ppag_table(struct iwl_fw_runtime *fwrt)\n \treturn -EINVAL;\n \n parse_table:\n-\tif (!(BIT(data-\u003erevision) \u0026 valid_rev)) {\n+\tif (data-\u003erevision \u003e= 32 || !(BIT(data-\u003erevision) \u0026 valid_rev)) {\n \t\tret = -EINVAL;\n \t\tIWL_DEBUG_RADIO(fwrt,\n \t\t\t\t\"Unsupported UEFI PPAG revision:%d\\n\",\ndiff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c\nindex d021b24d04d6b9..b1a55909f0d4bc 100644\n--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c\n+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c\n@@ -475,6 +475,7 @@ static int iwl_dbg_tlv_parse_bin(struct iwl_trans *trans, const u8 *data,\n {\n \tconst struct iwl_ucode_tlv *tlv;\n \tu32 tlv_len;\n+\tsize_t aligned_tlv_len;\n \n \twhile (len \u003e= sizeof(*tlv)) {\n \t\tlen -= sizeof(*tlv);\n@@ -487,8 +488,16 @@ static int iwl_dbg_tlv_parse_bin(struct iwl_trans *trans, const u8 *data,\n \t\t\t\tlen, tlv_len);\n \t\t\treturn -EINVAL;\n \t\t}\n-\t\tlen -= ALIGN(tlv_len, 4);\n-\t\tdata += sizeof(*tlv) + ALIGN(tlv_len, 4);\n+\n+\t\taligned_tlv_len = ALIGN(tlv_len, 4);\n+\t\tif (len \u003c aligned_tlv_len) {\n+\t\t\tIWL_ERR(trans, \"invalid aligned TLV len: %zd/%zu\\n\",\n+\t\t\t\tlen, aligned_tlv_len);\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\n+\t\tlen -= aligned_tlv_len;\n+\t\tdata += sizeof(*tlv) + aligned_tlv_len;\n \n \t\tiwl_dbg_tlv_alloc(trans, tlv, true);\n \t}\ndiff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c\nindex 842586d4fc5ce4..7f1515dfc5bf9d 100644\n--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c\n+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c\n@@ -492,7 +492,7 @@ static void set_sec_offset(struct iwl_firmware_pieces *pieces,\n  * Gets uCode section from tlv.\n  */\n static int iwl_store_ucode_sec(struct fw_img_parsing *img,\n-\t\t\t       const void *data, int size)\n+\t\t\t       const void *data, size_t size)\n {\n \tstruct fw_sec *sec;\n \tconst struct fw_sec_parsing *sec_parse;\n@@ -501,6 +501,9 @@ static int iwl_store_ucode_sec(struct fw_img_parsing *img,\n \tif (WARN_ON(!img || !data))\n \t\treturn -EINVAL;\n \n+\tif (size \u003c sizeof(sec_parse-\u003eoffset))\n+\t\treturn -EINVAL;\n+\n \tsec_parse = (const struct fw_sec_parsing *)data;\n \n \talloc_size = sizeof(*img-\u003esec) * (img-\u003esec_counter + 1);\n@@ -804,6 +807,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,\n \tu32 build, paging_mem_size;\n \tint num_of_cpus;\n \tbool usniffer_req = false;\n+\tsize_t aligned_tlv_len;\n \n \tif (len \u003c sizeof(*ucode)) {\n \t\tIWL_ERR(drv, \"uCode has invalid length: %zd\\n\", len);\n@@ -852,8 +856,16 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,\n \t\t\t\tlen, tlv_len);\n \t\t\treturn -EINVAL;\n \t\t}\n-\t\tlen -= ALIGN(tlv_len, 4);\n-\t\tdata += sizeof(*tlv) + ALIGN(tlv_len, 4);\n+\n+\t\taligned_tlv_len = ALIGN(tlv_len, 4);\n+\t\tif (len \u003c aligned_tlv_len) {\n+\t\t\tIWL_ERR(drv, \"invalid aligned TLV len: %zd/%zu\\n\",\n+\t\t\t\tlen, aligned_tlv_len);\n+\t\t\treturn -EINVAL;\n+\t\t}\n+\n+\t\tlen -= aligned_tlv_len;\n+\t\tdata += sizeof(*tlv) + aligned_tlv_len;\n \n \t\tswitch (tlv_type) {\n \t\tcase IWL_UCODE_TLV_INST:\n"
}

gemini-3.1-pro-preview

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch modifies firmware parsing and ACPI/UEFI table parsing logic in the Intel Wireless WiFi (iwlwifi) driver. This is a hardware-specific PCI driver. Since syzkaller and virtualized environments like QEMU/GCE do not emulate Intel Wi-Fi PCI hardware, the driver will never probe. Consequently, the firmware request and parsing paths (e.g., iwl_req_fw_callback, iwl_parse_tlv_firmware) are completely unreachable and cannot be fuzzed.",
  "WorthFuzzing": false
}

You are an expert Linux kernel maintainer.
Your job is to review a provided patch series and determine
if it makes functional changes to the kernel that should be fuzzed.

IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in
your workspace. Do NOT rely on your internal knowledge of the kernel. You must actively
use your code access tools to examine the actual source code and confirm any assumptions.

Return WorthFuzzing=false if the patch only contains:
- Modifications to Documentation/, Kconfig files, or code comments.
- Purely decorative changes, such as logging (e.g., pr_err, printk) or tracepoints.
- Changes to numeric constants or macros that do not functionally alter execution flow.
- Code paths that are impossible to reach in virtualized environments like GCE or QEMU,
even when utilizing software-emulated hardware (e.g., usb gadget, mac80211_hwsim).

If it modifies reachable core kernel logic, drivers, or architectures, use your code search
tools to verify the code can be executed, then return WorthFuzzing=true.

When returning WorthFuzzing=true, you MUST ALSO:
1. Extract any specific kernel functions that should be heavily fuzzed into FocusSymbols.
   Avoid listing generic hot-path functions to prevent skewed test distributions.
2. Identify any specific CONFIG_ options required to properly test this new/modified feature.
   Go and look into the Kconfig files and check for ifdefs around the code, do not make assumptions.
   Do not list too generic configs (we already have them enabled). Only list those that
   specifically cover the modified code. List them in the EnableConfigs output array,
   and DO NOT add a '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.

For your convenience, here is the diff of the changes:
commit 5230f5f6b7c058c9c6ffb58496f72e8ca5c6e309
Author: syz-cluster <triage@syzkaller.com>
Date:   Fri Jul 17 19:49:44 2026 +0000

    syz-cluster: applied patch under review

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index bf0f851a907554..430a7642e01a32 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -865,6 +865,11 @@ int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)
 						       min_size, max_size,
 						       &tbl_rev);
 		if (!IS_ERR(wifi_pkg)) {
+			if (tbl_rev < 0 ||
+			    tbl_rev >= BITS_PER_BYTE *
+			    sizeof(rev_data[idx].revisions))
+				continue;
+
 			if (!(BIT(tbl_rev) & rev_data[idx].revisions))
 				continue;
 
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/uefi.c b/drivers/net/wireless/intel/iwlwifi/fw/uefi.c
index 2ef0a7a920adb5..014f22c42f41a9 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/uefi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/uefi.c
@@ -700,7 +700,7 @@ int iwl_uefi_get_ppag_table(struct iwl_fw_runtime *fwrt)
 	return -EINVAL;
 
 parse_table:
-	if (!(BIT(data->revision) & valid_rev)) {
+	if (data->revision >= 32 || !(BIT(data->revision) & valid_rev)) {
 		ret = -EINVAL;
 		IWL_DEBUG_RADIO(fwrt,
 				"Unsupported UEFI PPAG revision:%d\n",
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index d021b24d04d6b9..b1a55909f0d4bc 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -475,6 +475,7 @@ static int iwl_dbg_tlv_parse_bin(struct iwl_trans *trans, const u8 *data,
 {
 	const struct iwl_ucode_tlv *tlv;
 	u32 tlv_len;
+	size_t aligned_tlv_len;
 
 	while (len >= sizeof(*tlv)) {
 		len -= sizeof(*tlv);
@@ -487,8 +488,16 @@ static int iwl_dbg_tlv_parse_bin(struct iwl_trans *trans, const u8 *data,
 				len, tlv_len);
 			return -EINVAL;
 		}
-		len -= ALIGN(tlv_len, 4);
-		data += sizeof(*tlv) + ALIGN(tlv_len, 4);
+
+		aligned_tlv_len = ALIGN(tlv_len, 4);
+		if (len < aligned_tlv_len) {
+			IWL_ERR(trans, "invalid aligned TLV len: %zd/%zu\n",
+				len, aligned_tlv_len);
+			return -EINVAL;
+		}
+
+		len -= aligned_tlv_len;
+		data += sizeof(*tlv) + aligned_tlv_len;
 
 		iwl_dbg_tlv_alloc(trans, tlv, true);
 	}
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 842586d4fc5ce4..7f1515dfc5bf9d 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -492,7 +492,7 @@ static void set_sec_offset(struct iwl_firmware_pieces *pieces,
  * Gets uCode section from tlv.
  */
 static int iwl_store_ucode_sec(struct fw_img_parsing *img,
-			       const void *data, int size)
+			       const void *data, size_t size)
 {
 	struct fw_sec *sec;
 	const struct fw_sec_parsing *sec_parse;
@@ -501,6 +501,9 @@ static int iwl_store_ucode_sec(struct fw_img_parsing *img,
 	if (WARN_ON(!img || !data))
 		return -EINVAL;
 
+	if (size < sizeof(sec_parse->offset))
+		return -EINVAL;
+
 	sec_parse = (const struct fw_sec_parsing *)data;
 
 	alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
@@ -804,6 +807,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
 	u32 build, paging_mem_size;
 	int num_of_cpus;
 	bool usniffer_req = false;
+	size_t aligned_tlv_len;
 
 	if (len < sizeof(*ucode)) {
 		IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
@@ -852,8 +856,16 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
 				len, tlv_len);
 			return -EINVAL;
 		}
-		len -= ALIGN(tlv_len, 4);
-		data += sizeof(*tlv) + ALIGN(tlv_len, 4);
+
+		aligned_tlv_len = ALIGN(tlv_len, 4);
+		if (len < aligned_tlv_len) {
+			IWL_ERR(drv, "invalid aligned TLV len: %zd/%zu\n",
+				len, aligned_tlv_len);
+			return -EINVAL;
+		}
+
+		len -= aligned_tlv_len;
+		data += sizeof(*tlv) + aligned_tlv_len;
 
 		switch (tlv_type) {
 		case IWL_UCODE_TLV_INST:

gemini-3.1-pro-preview

null

null

							input: 3400
							output: 37
							thoughts: 711
						

**Analyzing the Reachability of iwlwifi Driver Patches in Virtualized Environments**

Okay, so I'm looking at this patch for the `iwlwifi` driver, specifically focusing on the new bounds and alignment checks they've added. It's across several files: `acpi.c`, `uefi.c`, `iwl-dbg-tlv.c`, and `iwl-drv.c`. This is all about ensuring data integrity within the driver, good stuff. My main concern, though, is whether these code paths are actually *reachable* in a typical virtualized environment, which is critical for fuzzing and testing.

First, I need to understand the scope. `iwlwifi` is for Intel Wireless WiFi Next Gen AGN hardware. That's the core question – can we trigger these new checks within something like GCE or QEMU? I know syzkaller doesn't have native Intel Wi-Fi emulation. My initial thought goes to `mac80211_hwsim` as a software simulator... but that won't work, right? It's software, not using `iwlwifi`.

Alright, how about USB? Sometimes those drivers support USB. I need to clarify that. But then I remember: mostly PCIe. So likely not USB. Gotta check to be sure, though. Then there's firmware parsing. This is potentially interesting. If the driver requests firmware, and syzkaller can feed it fake or fuzzed firmware through the firmware loader, we could be in business. Syzkaller *can* provide fake firmware! Okay, that's a key point.

However, the driver needs to load first, right? PCI drivers usually probe based on PCI IDs. So, without the right PCI device, it might not even load. But syzkaller has `syz-usbgen` for USB and maybe, `syz-pcigen`? Can syzkaller emulate PCI devices? Now that's the real question. Wait, do we have any PCI fuzzing support? Not a generic emulator, but maybe there's some... ah, I think there is now!

Okay, circling back to the original prompt, it stresses unreachable code paths in virtualized environments, even with software-emulated hardware. If `iwlwifi` is strictly PCI, and we *don't* have PCI emulation, then we might be stuck. So, ultimately, the critical question is: can the driver even be probed in these environments? Gotta find out.

{
  "Expression": "pci_register_driver",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-drv.c=2109=static int __init iwl_drv_init(void)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-2120-\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:2121:\terr = iwl_pci_register_driver();\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-2122-\tif (err)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.h=1141=static inline void iwl_trans_notify_fw_error(struct iwl_trans *trans)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.h-1148- *****************************************************/\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.h:1149:int __must_check iwl_pci_register_driver(void);\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.h-1150-void iwl_pci_unregister_driver(void);\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c=1338=static struct pci_driver iwl_pci_driver = {\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c-1346-\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c:1347:int __must_check iwl_pci_register_driver(void)\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c-1348-{\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c-1349-\tint ret;\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c:1350:\tret = pci_register_driver(\u0026iwl_pci_driver);\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c-1351-\tif (ret)\n"
}

gemini-3.1-pro-preview

null

null

							input: 5221
							output: 41
							thoughts: 246
						

**Analyzing the PCI Driver Fuzzing Landscape**

Okay, so this is a PCI driver. My initial thought is, can syzkaller even fuzz these things effectively? I know syzkaller has some KVM setup calls like `syz_kvm_setup_cpu`, but does it have a way to inject arbitrary PCI configurations? I quickly scan my mental database. No, wait, there's not a `syz_pci_device` call, or anything similar for general PCI device instantiation. I remember things like `syz_mount_image`, but that's a different area.

Hold on, I recall that syzkaller *doesn't* have a comprehensive PCI emulator to trigger generic PCI probes. Unless, of course, there's a specific PCI fuzzing module that I'm forgetting, or it's leveraging QEMU's PCI emulation. But even that's limited; QEMU typically emulates specific devices like e1000 or virtio, not something like iwlwifi. Damn, I thought I had a solution here.

Wait, is there that `CONFIG_PCI_ENDPOINT_TEST` option or something similar? I should check into that.

Now, if I think about it, what if the driver *is* loaded, but the `probe` function is never called because there's no actual hardware to trigger it? That would be a major problem.

If `probe` never runs, then my target, `iwl_parse_tlv_firmware`, will also never be called. So, I need to figure out if `iwl_parse_tlv_firmware` is called from anywhere else in the code. I need to trace the call paths to see if it can be reached in another way, and thus fuzzed in a different manner.

{
  "Expression": "iwl_parse_tlv_firmware",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-drv.c=732=static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv,\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-791-\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:792:static int iwl_parse_tlv_firmware(struct iwl_drv *drv,\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-793-\t\t\t\tconst struct firmware *ucode_raw,\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c=1644=static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1693-\telse\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:1694:\t\terr = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1695-\t\t\t\t\t     \u0026fw-\u003eucode_capa, \u0026usniffer_images);\n"
}

gemini-3.1-pro-preview

null

null

							input: 6230
							output: 39
							thoughts: 56
						

**Analyzing the Firmware Loading Process**

Okay, so I'm digging into this `iwl_req_fw_callback` function. From what I understand, this is the callback that gets triggered when firmware is successfully loaded for an Intel wireless device, right? That makes perfect sense. Firmware loading is a critical part of the boot process and driver initialization.

But wait, this function is only *called* when firmware is *requested*. And firmware is only requested during the *probing* stage of the device. So, the registration of this `iwl_req_fw_callback` function is clearly important to the proper operation of the driver.

Therefore, I need to figure out *where* this `iwl_req_fw_callback` is being registered in the kernel code. Understanding its registration location will give me a better understanding of the overall firmware loading architecture and how it's integrated within the driver's initialization sequence. Let's see if I can trace that down...

{
  "Expression": "iwl_req_fw_callback",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-drv.c=293=IWL_EXPORT_SYMBOL(iwl_drv_get_fwname_pre);\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-294-\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:295:static void iwl_req_fw_callback(const struct firmware *ucode_raw,\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-296-\t\t\t\tvoid *context);\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c=325=static int iwl_request_firmware(struct iwl_drv *drv, bool first)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-385-\t\t\t\t       drv-\u003etrans-\u003edev,\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:386:\t\t\t\t       GFP_KERNEL, drv, iwl_req_fw_callback);\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-387-}\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c=1621=static void _iwl_op_mode_stop(struct iwl_drv *drv)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1638-/*\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:1639: * iwl_req_fw_callback - callback when firmware was loaded\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1640- *\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1643- */\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:1644:static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1645-{\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-48- *    (iwl_drv_start)\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:49: * 6) iwl_drv_start fetches the fw ASYNC, iwl_req_fw_callback\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:50: * 7) iwl_req_fw_callback parses the fw file\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:51: * 8) iwl_req_fw_callback starts the wifi implementation to matches the fw\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-52- */\n"
}

gemini-3.1-pro-preview

null

null

							input: 7262
							output: 37
							thoughts: 26
						

Okay, here's my attempt at summarizing those thoughts from a first-person, expert perspective:

**Investigating the Intel Wireless Driver Initialization**

Alright, let's break this down. My mind is immediately drawn to the Intel Wireless driver startup sequence, specifically `iwl_drv_start`. *That* function is responsible for fetching the firmware, which is a crucial first step. I need to understand where this initiation occurs. So, where in the code is `iwl_drv_start` actually *called*? I need to trace the call graph to see what events or functions trigger this critical step. That will help me better understand the overall driver's initialization flow and identify potential areas for optimization, or perhaps even debugging if I'm looking at an issue. Understanding the call stack around `iwl_drv_start` is vital.

{
  "Expression": "iwl_drv_start",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-drv.c=1644=static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1959-\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:1960:struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1961-{\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-47- * 5) The bus specific component calls to the drv bus agnostic part\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:48: *    (iwl_drv_start)\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:49: * 6) iwl_drv_start fetches the fw ASYNC, iwl_req_fw_callback\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-50- * 7) iwl_req_fw_callback parses the fw file\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h=56=struct iwl_rf_cfg;\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-57-/**\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:58: * iwl_drv_start - start the drv\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-59- *\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-67- */\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:68:struct iwl_drv *iwl_drv_start(struct iwl_trans *trans);\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-69-\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c=4232=int iwl_pci_gen1_2_probe(struct pci_dev *pdev,\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c-4367-\ndrivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c:4368:\tiwl_trans-\u003edrv = iwl_drv_start(iwl_trans);\ndrivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c-4369-\n"
}

gemini-3.1-pro-preview

null

null

							input: 8198
							output: 40
							thoughts: 394
						

**My PCI Fuzzing Dilemma**

Okay, so `iwl_pci_gen1_2_probe` calls `iwl_drv_start`. Right, this is a PCI driver. My immediate thought is, can I fuzz this with syzkaller? Syzkaller doesn't have a *generic* PCI fuzzer that can probe any PCI device, I know that much. But wait... didn't they add something for PCI a while back? I should check if there's *any* PCI fuzzing capability. Ah, but the prompt does say something about code paths being unreachable in virtualization, especially when using software-emulated hardware.

Okay, so does syzkaller *emulate* PCI devices? No, that's right. It uses `dummy_hcd` (usb gadget) for USB. But for PCI, there's no `dummy_pci` equivalent in the kernel to allow injecting arbitrary PCI devices. 

Hang on... what about `vfio` or `pci_endpoint_test`? Could those be useful here? Let's go back and explicitly search for PCI fuzzing in syzkaller. Did I confuse it with `syz_pci_device` or something? No, that's not it, syzkaller *does* have things like `syz_usb_connect`, `syz_usb_disconnect`, `syz_usb_control_io`... but nothing directly equivalent for PCI. 

Wait, wait... what about `mac80211_hwsim`? That's a software simulator for Wi-Fi, but it's not actually the `iwlwifi` driver, is it? Could I reach this specific code, `iwlwifi`? I need to check if `iwlwifi` itself has any virtual or simulated modes.

no matches

{
  "Expression": "mac80211_hwsim",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 9040
							output: 32
							thoughts: 39
						

**Investigating the Missing Link**

Okay, so I'm digging through the `iwlwifi` kernel module and I'm not seeing any references, not a single mention, of `mac80211_hwsim`. That's... unusual. Given my familiarity with wireless drivers, especially within the Linux kernel, I'd expect to find some indication of interaction, perhaps a bridging point, if there was a testing or simulation driver tied in.

My immediate hypothesis is that there might be a dedicated test or "dummy" driver, perhaps one used internally within `iwlwifi`, or perhaps a separate module specifically designed to simulate the hardware interaction for testing purposes. It's time to broaden the search. I need to pivot and explore the surrounding code, the build infrastructure, and any existing documentation for `iwlwifi` to see if there's an alternative approach to testing or simulating its hardware. This isn't just about finding `mac80211_hwsim` directly; it's about understanding how they *would* test this thing if they *didn't* use it.

{
  "Expression": "dummy",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-fh.h-30- * Driver must allocate a 4KByte buffer that is for keeping the\ndrivers/net/wireless/intel/iwlwifi/iwl-fh.h:31: * host DRAM powered on (via dummy accesses to DRAM) to maintain low-latency\ndrivers/net/wireless/intel/iwlwifi/iwl-fh.h:32: * DRAM access when doing Txing or Rxing.  The dummy accesses prevent host\ndrivers/net/wireless/intel/iwlwifi/iwl-fh.h-33- * from going into a power-savings mode that would cause higher DRAM latency,\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c=1712=iwl_parse_nvm_mcc_info(struct iwl_trans *trans,\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c-1759-\t * since cfg80211 doesn't accept an empty regdomain, we need\ndrivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c:1760:\t * to allocate space for at least one rule to add a dummy\ndrivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c-1761-\t * (unusable) rule in this case so we can init.\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c-1836-\ndrivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c:1837:\t/* If no valid rules were found, add a dummy rule */\ndrivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c-1838-\tif (!valid_rules) {\n--\ndrivers/net/wireless/intel/iwlwifi/mld/mac80211.c=2408=iwl_mld_channel_switch(struct ieee80211_hw *hw,\n--\ndrivers/net/wireless/intel/iwlwifi/mld/mac80211.c-2419-\tIWL_DEBUG_MAC80211(mld,\ndrivers/net/wireless/intel/iwlwifi/mld/mac80211.c:2420:\t\t\t   \"dummy channel switch op\\n\");\ndrivers/net/wireless/intel/iwlwifi/mld/mac80211.c-2421-}\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/coex.c=16=static const __le64 iwl_ci_mask[][3] = {\ndrivers/net/wireless/intel/iwlwifi/mvm/coex.c:17:\t/* dummy entry for channel 0 */\ndrivers/net/wireless/intel/iwlwifi/mvm/coex.c-18-\t{cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)},\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/mac80211.c=5370=void iwl_mvm_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif,\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/mac80211.c-5379-\tIWL_DEBUG_MAC80211(IWL_MAC80211_GET_MVM(hw),\ndrivers/net/wireless/intel/iwlwifi/mvm/mac80211.c:5380:\t\t\t   \"dummy channel switch op\\n\");\ndrivers/net/wireless/intel/iwlwifi/mvm/mac80211.c-5381-}\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-v2.c=100=int iwl_pcie_ctxt_info_v2_alloc(struct iwl_trans *trans,\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-v2.c-201-\t * We also use the second half of this page to give the device some\ndrivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-v2.c:202:\t * dummy TR/CR tail pointers - which shouldn't be necessary as we don't\ndrivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-v2.c-203-\t * use this, but the hardware still reads/writes there and we can't let\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c=3800=iwl_trans_pcie_alloc(struct pci_dev *pdev,\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c-3878-\t */\ndrivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c:3879:\ttrans_pcie-\u003enapi_dev = alloc_netdev_dummy(sizeof(struct iwl_trans_pcie *));\ndrivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c-3880-\tif (!trans_pcie-\u003enapi_dev) {\n"
}

gemini-3.1-pro-preview

null

null

							input: 10703
							output: 41
							thoughts: 242
						

**Analyzing the iwlwifi Driver and Firmware Parsing**

Okay, so there's no way to trick the system into thinking there's an iwlwifi card present when there isn't, right? Wait... is there a way to force the driver to load and, crucially, trigger that firmware parsing even without the physical hardware? That's the real question.

I remember the driver registers as a PCI driver. The probe function is something like `iwl_pci_gen1_2_probe`. Naturally, without the hardware, that probe function *never* gets called. And if that's never called, `iwl_drv_start` is never called. Which means firmware isn't requested. Therefore `iwl_req_fw_callback` never happens. Consequently `iwl_parse_tlv_firmware` is never reached.

So, in a purely virtualized environment, without specific Intel Wi-Fi hardware, my modified code is completely unreachable. That's a solid conclusion.

However, just to be absolutely certain... is there *any* other possible path to `iwl_parse_tlv_firmware`? It's time to check if that function is exported, or if it is called from anywhere else in the code base. Let's see if there's any other hook that could trigger this part of the process.

{
  "Expression": "iwl_parse_tlv_firmware",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-drv.c=732=static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv,\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-791-\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:792:static int iwl_parse_tlv_firmware(struct iwl_drv *drv,\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-793-\t\t\t\tconst struct firmware *ucode_raw,\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c=1644=static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1693-\telse\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:1694:\t\terr = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1695-\t\t\t\t\t     \u0026fw-\u003eucode_capa, \u0026usniffer_images);\n"
}

gemini-3.1-pro-preview

null

null

							input: 11612
							output: 43
							thoughts: 34
						

Okay, here's my interpretation of those thoughts, summarized in the first person, assuming the context is my area of expertise:

**Firmware Loading Inquiry**

Alright, so I'm digging into this firmware loading process. I see that this `iwl_req_fw_callback` function is the only caller, which makes the control flow a lot simpler, but I can't shake the nagging feeling that there's another point of entry. Something like `iwl_acpi_get_wgds_table` keeps popping into mind, could this impact the whole firmware loading as well?

{
  "Expression": "iwl_acpi_get_wgds_table",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/fw/acpi.c=639=int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c-803-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c:804:int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c-805-{\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h=183=int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-184-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h:185:int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-186-\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h=234=static inline int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-238-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h:239:static inline int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-240-{\n"
}

gemini-3.1-pro-preview

null

null

							input: 12277
							output: 43
							thoughts: 18
						

Okay, here's my attempt at summarizing that thought process, keeping in mind I'm speaking to a fellow expert:

**Tracing the `iwl_acpi_get_wgds_table` Call Site**

Alright, so the immediate question buzzing in my head is: where exactly is this `iwl_acpi_get_wgds_table` function being invoked? I need to understand its context. Knowing the call sites is crucial. Is it part of the initial driver probe, during device initialization? Or maybe it's triggered by some later event, like a power management transition or an ACPI notification?

I'm thinking I'll start by doing a quick code search, likely with `grep` or similar, to identify the source files that reference this function. Once I have the file list, I can then do a more in-depth analysis of the surrounding code to grasp its purpose. My primary goal here is to establish the control flow and determine the conditions under which this function executes. Knowing the call chain is key to debugging or modifying its behavior. I expect to be able to quickly determine how to trace the calls, by using a debugger or similar tools.

{
  "Expression": "iwl_acpi_get_wgds_table",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/fw/acpi.c=639=int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c-803-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c:804:int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c-805-{\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h=183=int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-184-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h:185:int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-186-\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h=234=static inline int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-238-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h:239:static inline int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-240-{\n"
}

gemini-3.1-pro-preview

null

null

							input: 13046
							output: 32
							thoughts: 33
						

Okay, let's see...

**Checking for Unexpected Calls**

Hold on a second, am I reading this right? This specific thing isn't referenced *anywhere* else in the codebase? That seems...unusual. I need to be absolutely sure I haven't missed a cross-reference somewhere. It's easy to overlook things in these large driver modules.

Right, let me double-check. I'm going to scan the entire project to confirm whether this code path is invoked or perhaps has an indirect dependency that I'm not immediately considering, or even if it is called from outside the `iwlwifi` module. Need to ensure no external components are interacting with it unexpectedly. It would be a significant oversight if so.

{
  "Expression": "iwl_acpi_get_wgds_table",
  "PathPrefix": ""
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/fw/acpi.c=639=int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c-803-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c:804:int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c-805-{\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h=183=int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-184-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h:185:int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-186-\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h=234=static inline int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-238-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h:239:static inline int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-240-{\n"
}

gemini-3.1-pro-preview

null

null

							input: 13729
							output: 33
							thoughts: 184
						

**Debugging a Suspect Function**

Okay, so I'm trying to figure out how this function, whatever it is, is actually *used*. My initial grep search didn't turn up any direct calls to it – that's the first thing that jumped out at me. I'm thinking, "Wait, is it not being called *anywhere*? That can't be right!"

My immediate thought is to broaden my search. It could be called by another function or macro, so a simple grep might miss it. I need to dig deeper. I'm going to check the more obvious places where this kind of function might be used. I should start with `iwl_acpi_get_wgds_table` in `drivers/net/wireless/intel/iwlwifi/mvm/fw.c` or other similar files to be sure.

But if there is no calls to that function, then it needs to be known how it is used. I'm starting to consider other possibilities; is it being accessed via a function pointer? If that's the case, a direct grep on the function name won't work. The function would be called indirectly.

Alright, time to shift gears and check for the indirect use. I should look into the source files `drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c` and `drivers/net/wireless/intel/iwlwifi/mvm/fw.c`, where function pointers might be used. Hopefully, this approach will reveal how the function is invoked.

{
  "Expression": "wgds",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/fw/acpi.c=639=int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c-803-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c:804:int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.c-805-{\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h=183=int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-184-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h:185:int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-186-\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h=234=static inline int iwl_acpi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-238-\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h:239:static inline int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/acpi.h-240-{\n--\ndrivers/net/wireless/intel/iwlwifi/fw/regulatory.c=34=IWL_BIOS_TABLE_LOADER(ewrd_table);\ndrivers/net/wireless/intel/iwlwifi/fw/regulatory.c:35:IWL_BIOS_TABLE_LOADER(wgds_table);\ndrivers/net/wireless/intel/iwlwifi/fw/regulatory.c-36-IWL_BIOS_TABLE_LOADER(ppag_table);\n--\ndrivers/net/wireless/intel/iwlwifi/fw/regulatory.h=207=int iwl_bios_get_ewrd_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/regulatory.h-208-\ndrivers/net/wireless/intel/iwlwifi/fw/regulatory.h:209:int iwl_bios_get_wgds_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/regulatory.h-210-\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.c=539=int iwl_uefi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.c-592-\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.c:593:int iwl_uefi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.c-594-{\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.c:595:\tstruct uefi_cnv_var_wgds *data;\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.c-596-\tunsigned long expected_size;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h=130=struct uefi_cnv_var_ewrd {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-145-/**\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h:146: * struct uefi_cnv_var_wgds - WGDS table as defined in UEFI\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-147- * @revision: the revision of the table\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-155- */\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h:156:struct uefi_cnv_var_wgds {\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-157-\tu8 revision;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-169-#define UEFI_WGDS_TABLE_SIZE_REV3\t\t\t\t\\\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h:170:\t(offsetof(struct uefi_cnv_var_wgds, vals) +\t\t\\\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-171-\t UEFI_WGDS_PROFILE_SIZE_REV3 * BIOS_GEO_MAX_PROFILE_NUM)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-173-#define UEFI_WGDS_TABLE_SIZE_REV4\t\t\t\t\\\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h:174:\t(offsetof(struct uefi_cnv_var_wgds, vals) +\t\t\\\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-175-\t UEFI_WGDS_PROFILE_SIZE_REV4 * BIOS_GEO_MAX_PROFILE_NUM)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h=334=int iwl_uefi_get_ewrd_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h:335:int iwl_uefi_get_wgds_table(struct iwl_fw_runtime *fwrt);\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-336-int iwl_uefi_get_ppag_table(struct iwl_fw_runtime *fwrt);\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h=391=static inline int iwl_uefi_get_ewrd_table(struct iwl_fw_runtime *fwrt)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-395-\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h:396:static inline int iwl_uefi_get_wgds_table(struct iwl_fw_runtime *fwrt)\ndrivers/net/wireless/intel/iwlwifi/fw/uefi.h-397-{\n--\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c=16=void iwl_mld_get_bios_tables(struct iwl_mld *mld)\n--\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c-38-\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c:39:\t\tif (!iwl_bios_get_wgds_table(\u0026mld-\u003efwrt)) {\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c-40-\t\t\t/* If basic SAR is not available, we check for WGDS,\n--\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c-57-\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c:58:\t\tret = iwl_bios_get_wgds_table(\u0026mld-\u003efwrt);\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c-59-\t\tif (ret \u003c 0)\n--\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c=72=static int iwl_mld_geo_sar_init(struct iwl_mld *mld)\n--\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c-106-\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c:107:\t/* It is a valid scenario to not support SAR, or miss wgds table,\ndrivers/net/wireless/intel/iwlwifi/mld/regulatory.c-108-\t * but in that case there is no need to send the command.\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c=977=static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c-1044-\t/*\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c:1045:\t * It is a valid scenario to not support SAR, or miss wgds table,\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c-1046-\t * but in that case there is no need to send the command.\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c=1529=void iwl_mvm_get_bios_tables(struct iwl_mvm *mvm)\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c-1552-\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c:1553:\t\tif (!iwl_bios_get_wgds_table(\u0026mvm-\u003efwrt)) {\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c-1554-\t\t\t/*\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c-1573-\t\tif (iwl_sar_geo_support(\u0026mvm-\u003efwrt)) {\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c:1574:\t\t\tret = iwl_bios_get_wgds_table(\u0026mvm-\u003efwrt);\ndrivers/net/wireless/intel/iwlwifi/mvm/fw.c-1575-\t\t\tif (ret \u003c 0)\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c=591=void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c-598-\tstruct ieee80211_regdomain *regd;\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c:599:\tint wgds_tbl_idx;\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c-600-\tbool changed = false;\n--\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c-628-\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c:629:\twgds_tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c:630:\tif (wgds_tbl_idx \u003c 1)\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c-631-\t\tIWL_DEBUG_INFO(mvm,\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c-632-\t\t\t       \"SAR WGDS is disabled or error received (%d)\\n\",\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c:633:\t\t\t       wgds_tbl_idx);\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c-634-\telse\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c-635-\t\tIWL_DEBUG_INFO(mvm, \"SAR WGDS: geo profile %d is configured\\n\",\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c:636:\t\t\t       wgds_tbl_idx);\ndrivers/net/wireless/intel/iwlwifi/mvm/nvm.c-637-\n"
}

gemini-3.1-pro-preview

null

null

							input: 17394
							output: 36
							thoughts: 351
						

**Analyzing the Attack Surface of the iwlwifi Driver**

Okay, so I'm looking at this `iwl_bios_get_wgds_table` function, and it seems to call either `iwl_acpi_get_wgds_table` or `iwl_uefi_get_wgds_table`. Right, and `iwl_mvm_get_bios_tables` is also in the mix, called from `iwl_mvm_mac_setup_register` and similar places. The core of this is all part of the iwlwifi driver, which is, obviously, a PCI driver. The critical point is: if there isn't real hardware, the driver isn't going to probe, and none of this code will even be touched.

The million-dollar question: Can I trigger this stuff with syzkaller? Syzkaller doesn't typically have a general PCI emulator, but I seem to recall something about that changing recently. Let's double-check. Does syzkaller have PCI fuzzing capabilities? No, wait, is there something like `syz_pci_device`? Nope, nothing like that.

Alright, let's try a different approach. Let's delve into the kernel source and see if I can find a hook, some `pci_endpoint_test`, or `vfio` interface, anything that would allow me to inject a PCI device. Hold on a second, wasn't there something about `syz_kvm_setup_cpu` and `syz_usb_connect`? Ah, I see what's happening. Syzkaller can fuzz PCI devices if they are somehow exposed. The problem is that they usually are not exposed.

Okay, let's explore if I can use the `mac80211_hwsim` driver, to indirectly fuzz the `iwlwifi` driver. Nope, that's a dead end. `mac80211_hwsim` is completely separate.

Finally, I'll check if the `iwlwifi` driver has any configuration options that might enable some kind of test mode. Maybe there's a hidden flag I can leverage.

{
  "Expression": "config IWLWIFI",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/Kconfig-1-# SPDX-License-Identifier: GPL-2.0-only\ndrivers/net/wireless/intel/iwlwifi/Kconfig:2:config IWLWIFI\ndrivers/net/wireless/intel/iwlwifi/Kconfig-3-\ttristate \"Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi) \"\n--\ndrivers/net/wireless/intel/iwlwifi/Kconfig=47=if IWLWIFI\ndrivers/net/wireless/intel/iwlwifi/Kconfig-48-\ndrivers/net/wireless/intel/iwlwifi/Kconfig:49:config IWLWIFI_KUNIT_TESTS\ndrivers/net/wireless/intel/iwlwifi/Kconfig-50-\ttristate\n--\ndrivers/net/wireless/intel/iwlwifi/Kconfig-57-\ndrivers/net/wireless/intel/iwlwifi/Kconfig:58:config IWLWIFI_LEDS\ndrivers/net/wireless/intel/iwlwifi/Kconfig-59-\tbool\n--\ndrivers/net/wireless/intel/iwlwifi/Kconfig=84=config IWLMLD\n--\ndrivers/net/wireless/intel/iwlwifi/Kconfig-94-# don't call it _MODULE -- will confuse Kconfig/fixdep/...\ndrivers/net/wireless/intel/iwlwifi/Kconfig:95:config IWLWIFI_OPMODE_MODULAR\ndrivers/net/wireless/intel/iwlwifi/Kconfig-96-\tbool\n--\ndrivers/net/wireless/intel/iwlwifi/Kconfig=105=menu \"Debugging Options\"\ndrivers/net/wireless/intel/iwlwifi/Kconfig-106-\ndrivers/net/wireless/intel/iwlwifi/Kconfig:107:config IWLWIFI_DEBUG\ndrivers/net/wireless/intel/iwlwifi/Kconfig-108-\tbool \"Enable full debugging output in the iwlwifi driver\"\n--\ndrivers/net/wireless/intel/iwlwifi/Kconfig-130-\ndrivers/net/wireless/intel/iwlwifi/Kconfig:131:config IWLWIFI_DEBUGFS\ndrivers/net/wireless/intel/iwlwifi/Kconfig-132-\tbool \"iwlwifi debugfs support\"\n--\ndrivers/net/wireless/intel/iwlwifi/Kconfig-138-\ndrivers/net/wireless/intel/iwlwifi/Kconfig:139:config IWLWIFI_DEVICE_TRACING\ndrivers/net/wireless/intel/iwlwifi/Kconfig-140-\tbool \"iwlwifi device access tracing\"\n"
}

gemini-3.1-pro-preview

null

null

							input: 18913
							output: 45
							thoughts: 29
						

Here's my summary, as though I'm thinking through this process:

**KUnit Test Coverage Check**

Okay, so I see `IWLWIFI_KUNIT_TESTS` listed. My immediate thought is, "Do the KUnit tests actually *cover* the changes I've made?" It's not enough to *have* tests; they need to be relevant to the modifications. This is a critical step in ensuring the stability and correctness of the driver, so I need to verify that those tests are present and comprehensive for the code I've touched. Time to dig in and see what's being tested!

no matches

{
  "Expression": "iwl_acpi_get_wgds_table",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi/tests"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 19135
							output: 43
							thoughts: 21
						

Okay, here's my interpretation of those thoughts, tailored for an expert audience, presented in the first person:

**Initial Assessment: No Obvious Hits**

Damn, nothing's coming up in the test results. That's frustrating. I was hoping for something more direct, but it seems whatever I'm looking for isn't immediately apparent. Time to dig deeper, the trail's gone cold for now.

Wait, hold on a minute... What about `iwl_parse_tlv_firmware`? That function name just popped into my head, and it's nagging at me. It deals with parsing firmware structures, which is certainly related to what I'm investigating. It might be a good starting point to check, even if it seems tangential. Let's see if that sparks something...

no matches

{
  "Expression": "iwl_parse_tlv_firmware",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi/tests"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 19385
							output: 44
							thoughts: 20
						

Here's my thought process, as it went:

**Examining the Codebase**

Okay, I'm facing a search with no results. That's always the starting point. I need to figure out why. What could be a useful starting point? Hmm... Let's think along the lines of a debug-focused function related to TLV parsing within an Intel Wireless module. I'll search for `iwl_dbg_tlv_parse_bin`. That might just get me closer.

no matches

{
  "Expression": "iwl_dbg_tlv_parse_bin",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi/tests"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 19570
							output: 38
							thoughts: 504
						

**Unreachable Code Investigation**

Okay, so I'm looking at this modified code in the `iwlwifi` driver, which is a PCI driver. The problem is, without actual physical hardware, it won't probe, and the code I'm interested in will never execute. My initial thought was, "Is there *any* way to force a probe?" I immediately considered `syz_pci_device` from syzkaller, but that's a dead end. Syzkaller doesn't have that primitive.

Then, I remembered the recent PCI fuzzing work in syzkaller using `vfio` or similar technologies. But, no, syzkaller primarily leverages QEMU's PCI emulation for fuzzing, and QEMU, in its wisdom, doesn't emulate Intel Wi-Fi cards (the `iwlwifi` ones).

So, I checked QEMU's supported devices. I rattled off the usual suspects: `e1000`, `rtl8139`, `pcnet`, you know the drill. QEMU handles all of those. However, `iwlwifi` wasn't among them. This means the driver won't probe in QEMU or Google Compute Engine. Pretty much a no-go in any virtualized environment.

Now, I need to be *absolutely* sure. Is there *any* other path to `iwl_acpi_get_wgds_table`? I traced the call graph. It's called from `iwl_bios_get_wgds_table`, which itself is called from `iwl_mvm_get_bios_tables` and `iwl_mld_get_bios_tables`. These functions are only called during the setup of the MVM or MLD operation modes, which happens *after* the PCI device is probed and the firmware loads. Since, again, there's no PCI device, no probe, no dice.

Wait, is there *any* software framework that might magically probe the driver? I thought about `mac80211_hwsim`, the software simulator, but that’s not using `iwlwifi`. Is there a special `iwlwifi` simulator? I then started searching the directory in question (`drivers/net/wireless/intel/iwlwifi`) for any clue (e.g., `dummy`, `hwsim`). Nothing. I figured it would be worth checking the code for any `test` module that probes the driver in a controlled environment. I got nothing.

So, in conclusion, it seems the code path I'm interested in is unreachable in all of my typical testing environments. Looks like this specific area requires real hardware for execution.

{
  "Expression": "iwl_pci_probe",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-drv.h-32- * This component implements the system flows such as bus enumeration, bus\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:33: * removal. Bus dependent parts of system flows (such as iwl_pci_probe) are in\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-34- * bus specific files (transport files). This is the code that is common among\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c=1147=EXPORT_SYMBOL_IF_IWLWIFI_KUNIT(iwl_pci_find_dev_info);\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c-1148-\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c:1149:static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c-1150-{\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c=1338=static struct pci_driver iwl_pci_driver = {\n--\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c-1340-\t.id_table = iwl_hw_card_ids,\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c:1341:\t.probe = iwl_pci_probe,\ndrivers/net/wireless/intel/iwlwifi/pcie/drv.c-1342-\t.remove = iwl_pci_remove,\n"
}

gemini-3.1-pro-preview

null

null

							input: 21138
							output: 32
							thoughts: 42
						

**Initial Probe & Bus Exploration**

Okay, so `iwl_pci_probe` is definitely the probe function we're talking about here. That confirms the PCI context. My immediate thought is, are we *solely* dealing with PCI here? I need to quickly establish if there are any other bus variants for this iwlwifi driver. Let me just double-check if there's an SDIO or a USB implementation knocking around somewhere. It's crucial to understand the bus context, especially when dealing with probe functions.

{
  "Expression": "probe",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "\nFull output is too long, showing 500 out of 1336 lines.\nUse more precise expression if possible.\n\ndrivers/net/wireless/intel/iwlwifi/dvm/agn.h=200=int __must_check iwl_scan_initiate(struct iwl_priv *priv,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/agn.h-206- * PLCP_QUIET_THRESH packets are heard on this channel within\ndrivers/net/wireless/intel/iwlwifi/dvm/agn.h:207: * ACTIVE_QUIET_TIME after sending probe request.  This shortens the dwell\ndrivers/net/wireless/intel/iwlwifi/dvm/agn.h:208: * time if it's a quiet channel (nothing responded to our probe, and there's\ndrivers/net/wireless/intel/iwlwifi/dvm/agn.h-209- * no other traffic).\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h=1064=struct iwl_rx_mpdu_res_start {\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-1138- * 0: No TSF required in outgoing frame.\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:1139: * Set this for transmitting beacons and probe responses. */\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-1140-#define TX_CMD_FLG_TSF_MSK cpu_to_le32(1 \u003c\u003c 16)\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h=2199=struct iwl_scan_channel {\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2203-\t * 1:20 SSID direct bit map; if a bit is set, then corresponding\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2204:\t *     SSID IE is transmitted in probe request.\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2205-\t * 21:31 reserved\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2214-\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2215:/* set number of direct probes __le32 type */\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2216-#define IWL_SCAN_PROBE_MASK(n) \tcpu_to_le32((BIT(n) | (BIT(n) - BIT(1))))\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h=2226=struct iwl_ssid_ie {\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2275- * a channel for just a short time, if doing active scanning and getting no\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2276: * responses to the transmitted probe request.  This time is controlled by\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2277- * quiet_time, and the number of received packets below which a channel is\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2283- * packets are cleanly received on the channel (controlled by good_CRC_th,\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2284: * typical value 1), the scan engine starts transmitting probe requests.\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2285- *\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h=2298=struct iwl_scan_cmd {\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2324-\t *\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2325:\t * Size of probe request frame is specified by byte count in tx_cmd.\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2326:\t * Channel list follows immediately after probe request frame.\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2327-\t * Number of channels in list is specified by channel_count.\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h=2378=struct iwl_scanresults_notification {\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2380-\tu8 band;\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2381:\tu8 probe_status;\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2382:\tu8 num_probe_not_sent; /* not enough time to send */\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2383-\t__le32 tsf_low;\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h=2616=struct statistics_div {\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2619-\t__le32 exec_time;\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:2620:\t__le32 probe_time;\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-2621-\t__le32 reserved1;\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h=3902=struct iwl_wipan_p2p_channel_switch_cmd {\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-3911- * NoA schedule it determined so we can forward it\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h:3912: * to userspace for inclusion in probe responses.\ndrivers/net/wireless/intel/iwlwifi/dvm/commands.h-3913- *\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/debugfs.c=1296=static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/debugfs.c-1392-\tpos += scnprintf(buf + pos, bufsz - pos,\ndrivers/net/wireless/intel/iwlwifi/dvm/debugfs.c:1393:\t\t\t fmt_table, \"probe_time:\",\ndrivers/net/wireless/intel/iwlwifi/dvm/debugfs.c:1394:\t\t\t le32_to_cpu(div-\u003eprobe_time), accum_div-\u003eprobe_time,\ndrivers/net/wireless/intel/iwlwifi/dvm/debugfs.c:1395:\t\t\t delta_div-\u003eprobe_time, max_div-\u003eprobe_time);\ndrivers/net/wireless/intel/iwlwifi/dvm/debugfs.c-1396-\tpos += scnprintf(buf + pos, bufsz - pos,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/devices.c=250=static const struct iwl_dvm_bt_params iwl2030_bt_params = {\ndrivers/net/wireless/intel/iwlwifi/dvm/devices.c:251:\t/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */\ndrivers/net/wireless/intel/iwlwifi/dvm/devices.c-252-\t.advanced_bt_coexist = true,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/devices.c=654=static const struct iwl_dvm_bt_params iwl6000_bt_params = {\ndrivers/net/wireless/intel/iwlwifi/dvm/devices.c:655:\t/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */\ndrivers/net/wireless/intel/iwlwifi/dvm/devices.c-656-\t.advanced_bt_coexist = true,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/mac80211.c=78=int iwlagn_mac_setup_register(struct iwl_priv *priv,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/mac80211.c-173-\t/* we create the 802.11 header and a max-length SSID element */\ndrivers/net/wireless/intel/iwlwifi/dvm/mac80211.c:174:\thw-\u003ewiphy-\u003emax_scan_ie_len = capa-\u003emax_probe_length - 24 - 34;\ndrivers/net/wireless/intel/iwlwifi/dvm/mac80211.c-175-\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/main.c=1233=static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/main.c-1494-\t/**************************************************\ndrivers/net/wireless/intel/iwlwifi/dvm/main.c:1495:\t * This is still part of probe() in a sense...\ndrivers/net/wireless/intel/iwlwifi/dvm/main.c-1496-\t *\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-15-/* For active scan, listen ACTIVE_DWELL_TIME (msec) on each channel after\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:16: * sending probe req.  This should be set long enough to hear probe responses\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-17- * from more than one AP.  */\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c=262=static void iwl_rx_scan_results_notif(struct iwl_priv *priv,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-270-\t\t       \"%d [802.11%s] \"\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:271:\t\t       \"probe status: %u:%u \"\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-272-\t\t       \"(TSF: 0x%08X:%08X) - %d \"\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-275-\t\t       notif-\u003eband ? \"bg\" : \"a\",\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:276:\t\t       notif-\u003eprobe_status, notif-\u003enum_probe_not_sent,\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-277-\t\t       le32_to_cpu(notif-\u003etsf_high),\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c=346=static u16 iwl_get_active_dwell_time(struct iwl_priv *priv,\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:347:\t\t\t\t     enum nl80211_band band, u8 n_probes)\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-348-{\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-350-\t\treturn IWL_ACTIVE_DWELL_TIME_52 +\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:351:\t\t\tIWL_ACTIVE_DWELL_FACTOR_52GHZ * (n_probes + 1);\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-352-\telse\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-353-\t\treturn IWL_ACTIVE_DWELL_TIME_24 +\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:354:\t\t\tIWL_ACTIVE_DWELL_FACTOR_24GHZ * (n_probes + 1);\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-355-}\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c=488=static int iwl_get_channels_for_scan(struct iwl_priv *priv,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-490-\t\t\t\t     enum nl80211_band band,\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:491:\t\t\t\t     u8 is_active, u8 n_probes,\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-492-\t\t\t\t     struct iwl_scan_channel *scan_ch)\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-504-\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:505:\tactive_dwell = iwl_get_active_dwell_time(priv, band, n_probes);\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-506-\tpassive_dwell = iwl_get_passive_dwell_time(priv, band);\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-524-\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:525:\t\tif (n_probes)\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:526:\t\t\tscan_ch-\u003etype |= IWL_SCAN_PROBE_MASK(n_probes);\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-527-\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-558-/*\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:559: * iwl_fill_probe_req - fill in all required fields and IE for probe request\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-560- */\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:561:static u16 iwl_fill_probe_req(struct ieee80211_mgmt *frame, const u8 *ta,\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-562-\t\t\t      const u8 *ies, int ie_len, const u8 *ssid,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-567-\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:568:\t/* Make sure there is enough space for the probe request,\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-569-\t * two mandatory IEs and the data */\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-582-\t/* ...next IE... */\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:583:\tpos = \u0026frame-\u003eu.probe_req.variable[0];\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-584-\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c=609=static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-620-\tenum nl80211_band band;\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:621:\tu8 n_probes = 0;\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-622-\tu8 rx_ant = priv-\u003envm_data-\u003evalid_rx_ant;\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-630-\t\t\t    MAX_SCAN_CHANNEL * sizeof(struct iwl_scan_channel) +\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:631:\t\t\t    priv-\u003efw-\u003eucode_capa.max_probe_length;\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-632-\tconst u8 *ssid = NULL;\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-709-\t\t\t * The highest priority SSID is inserted to the\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:710:\t\t\t * probe request template.\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-711-\t\t\t */\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-725-\t\t\t\t       priv-\u003escan_request-\u003essids[i].ssid_len);\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:726:\t\t\t\tn_probes++;\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-727-\t\t\t\tp++;\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-776-\t * on a radar channel even though this means that we should NOT\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:777:\t * send probes.\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-778-\t *\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-780-\t * need to receive during our dwell time on a channel before\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:781:\t * sending out probes -- setting this to a huge value will\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-782-\t * mean we never reach it, but at the same time work around\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-801-\t    priv-\u003elib-\u003ebt_params-\u003eadvanced_bt_coexist) {\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:802:\t\t/* transmit 2.4 GHz probes only on first antenna */\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-803-\t\tscan_tx_antennas = first_antenna(scan_tx_antennas);\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-844-\tcase IWL_SCAN_NORMAL:\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:845:\t\tcmd_len = iwl_fill_probe_req(\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-846-\t\t\t\t\t(struct ieee80211_mgmt *)scan-\u003edata,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-854-\t\t/* use bcast addr, will not be transmitted but must be valid */\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:855:\t\tcmd_len = iwl_fill_probe_req(\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-856-\t\t\t\t\t(struct ieee80211_mgmt *)scan-\u003edata,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-877-\t\t\tiwl_get_channels_for_scan(priv, vif, band,\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c:878:\t\t\t\tis_active, n_probes,\ndrivers/net/wireless/intel/iwlwifi/dvm/scan.c-879-\t\t\t\t(void *)\u0026scan-\u003edata[cmd_len]);\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c=43=static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c-58-\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c:59:\tif (ieee80211_is_probe_resp(fc))\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c-60-\t\ttx_flags |= TX_CMD_FLG_TSF_MSK;\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c=105=static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c-124-\t\t/* Set retry limit on DATA packets and Probe Responses*/\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c:125:\t\tif (ieee80211_is_probe_resp(fc)) {\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c-126-\t\t\tdata_retry_limit = IWLAGN_MGMT_DFAULT_RETRY_LIMIT;\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c=260=int iwlagn_tx_skb(struct iwl_priv *priv,\n--\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c-295-\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c:296:\tif (unlikely(ieee80211_is_probe_resp(fc))) {\ndrivers/net/wireless/intel/iwlwifi/dvm/tx.c-297-\t\tstruct iwl_wipan_noa_data *noa_data =\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h=16=enum iwl_mac_conf_subcmd_ids {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-117-\t/**\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h:118:\t * @PROBE_RESPONSE_DATA_NOTIF: \u0026struct iwl_probe_resp_data_notif\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-119-\t */\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-135-/**\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h:136: * struct iwl_p2p_noa_attr - NOA attr contained in probe resp FW notification\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-137- *\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h=146=struct iwl_p2p_noa_attr {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-158-/**\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h:159: * struct iwl_probe_resp_data_notif - notification with NOA and CSA counter\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-160- *\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h:161: * @mac_id: the mac which should send the probe response\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-162- * @noa_active: notifies if the noa attribute should be handled\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-166- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h:167:struct iwl_probe_resp_data_notif {\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-168-\t__le32 mac_id;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h=321=struct iwl_mac_p2p_dev_data {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-332- * @MAC_CFG_FILTER_ACCEPT_BEACON: accept beacon frames\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h:333: * @MAC_CFG_FILTER_ACCEPT_BCAST_PROBE_RESP: accept broadcast probe response\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h:334: * @MAC_CFG_FILTER_ACCEPT_PROBE_REQ: accept probe requests\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-335- */\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h=682=struct iwl_link_config_cmd {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-744- * @STATION_TYPE_BCAST_MGMT: The station used to send beacons and\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h:745: *\tprobe responses. Also used for traffic injection in sniffer mode\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h-746- * @STATION_TYPE_MCAST: the station used for BCAST / MCAST in GO. Will be\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac.h=219=struct iwl_mac_data_p2p_dev {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac.h-234- * @MAC_FILTER_IN_CRC32: extract FCS and append it to frames\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac.h:235: * @MAC_FILTER_IN_PROBE_REQUEST: pass probe requests to host\ndrivers/net/wireless/intel/iwlwifi/fw/api/mac.h-236- */\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=223=struct iwl_scan_channel_cfg_lmac {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-230-/**\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:231: * struct iwl_scan_probe_segment - PROBE_SEGMENT_API_S_VER_1\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-232- * @offset: offset in the data block\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-234- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:235:struct iwl_scan_probe_segment {\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-236-\t__le16 offset;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-240-/**\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:241: * struct iwl_scan_probe_req_v1 - PROBE_REQUEST_FRAME_API_S_VER_2\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:242: * @mac_header: first (and common) part of the probe\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-243- * @band_data: band specific data\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:244: * @common_data: last (and common) part of the probe\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-245- * @buf: raw data block\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-246- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:247:struct iwl_scan_probe_req_v1 {\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:248:\tstruct iwl_scan_probe_segment mac_header;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:249:\tstruct iwl_scan_probe_segment band_data[SCAN_NUM_BAND_PROBE_DATA_V_1];\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:250:\tstruct iwl_scan_probe_segment common_data;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-251-\tu8 buf[SCAN_OFFLOAD_PROBE_REQ_SIZE];\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-254-/**\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:255: * struct iwl_scan_probe_req - PROBE_REQUEST_FRAME_API_S_VER_v2\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:256: * @mac_header: first (and common) part of the probe\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-257- * @band_data: band specific data\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:258: * @common_data: last (and common) part of the probe\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-259- * @buf: raw data block\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-260- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:261:struct iwl_scan_probe_req {\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:262:\tstruct iwl_scan_probe_segment mac_header;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:263:\tstruct iwl_scan_probe_segment band_data[SCAN_NUM_BAND_PROBE_DATA_V_2];\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:264:\tstruct iwl_scan_probe_segment common_data;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-265-\tu8 buf[SCAN_OFFLOAD_PROBE_REQ_SIZE];\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=286=struct iwl_scan_channel_opt {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-292- * enum iwl_mvm_lmac_scan_flags - LMAC scan flags\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:293: * @IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL: pass all beacons and probe responses\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-294- *\twithout filtering.\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-300- * @IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED: insert WFA vendor-specific TPC report\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:301: *\tand DS parameter set IEs into probe requests.\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-302- * @IWL_MVM_LMAC_SCAN_FLAG_EXTENDED_DWELL: use extended dwell time on channels\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=324=enum iwl_scan_priority_ext {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-357- * @channel_opt: channel optimization options, for full and partial scan\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:358: * @data: channel configuration and probe request packet.\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-359- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=360=struct iwl_scan_req_lmac {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-391- * @band: 0 for 5.2 GHz, 1 for 2.4 GHz\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:392: * @probe_status: SCAN_PROBE_STATUS_*, indicates success of probe request\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:393: * @num_probe_not_sent: # of request that weren't sent due to not enough time\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-394- * @duration: duration spent in channel, in usecs\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=396=struct iwl_scan_results_notif {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-398-\tu8 band;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:399:\tu8 probe_status;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:400:\tu8 num_probe_not_sent;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-401-\t__le32 duration;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=516=struct iwl_scan_dwell {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-531- * @dwell:\t\t\tdwells for the scan\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:532: * @mac_addr:\t\t\tdefault mac address to be used in probes\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-533- * @bcast_sta_id:\t\tthe index of the station in the fw\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=538=struct iwl_scan_config_v1 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-564- * @dwell:\t\t\tdwells for the scan\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:565: * @mac_addr:\t\t\tdefault mac address to be used in probes\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-566- * @bcast_sta_id:\t\tthe index of the station in the fw\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=623=enum iwl_umac_scan_general_flags {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-635-\t/* Extended dwell is obselete when adaptive dwell is used, making this\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:636:\t * bit reusable. Hence, probe request defer is used only when adaptive\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-637-\t * dwell is supported. */\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=654=enum iwl_umac_scan_general_flags2 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-665- * @IWL_UMAC_SCAN_GEN_FLAGS_V2_PERIODIC: periodic or scheduled\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:666: * @IWL_UMAC_SCAN_GEN_FLAGS_V2_PASS_ALL: pass all probe responses and beacons\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-667- *                                       during scan iterations\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-688- *      \u0026IWL_UMAC_SCAN_GEN_FLAGS_V2_6GHZ_PASSIVE_SCAN is enabled and scan is\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:689: *      activated over 6GHz PSC channels, filter in beacons and probe responses.\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:690: * @IWL_UMAC_SCAN_GEN_FLAGS_V2_OCE: if set, send probe requests in a minimum\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:691: *      rate of 5.5Mpbs, filter in broadcast probe responses and set the max\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-692- *      channel time indication field in the FILS request parameters element\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:693: *      (if included by the driver in the probe request IEs).\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-694- */\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=788=struct iwl_scan_req_umac_tail_v1 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-793-\t/* SCAN_PROBE_PARAMS_API_S_VER_1 */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:794:\tstruct iwl_scan_probe_req_v1 preq;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-795-\tstruct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-803- * @reserved: for future use and alignment\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:804: * @preq: probe request with IEs blocks\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-805- * @direct_scan: list of SSIDs for directed active scan\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=807=struct iwl_scan_req_umac_tail_v2 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-812-\t/* SCAN_PROBE_PARAMS_API_S_VER_2 */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:813:\tstruct iwl_scan_probe_req preq;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-814-\tstruct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=863=struct iwl_scan_req_umac {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-945-/**\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:946: * struct iwl_scan_probe_params_v3 - scan probe parameters\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:947: * @preq: scan probe request params\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-948- * @ssid_num: number of valid SSIDs in direct scan array\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-955- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:956:struct iwl_scan_probe_params_v3 {\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:957:\tstruct iwl_scan_probe_req preq;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-958-\tu8 ssid_num;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-967-/**\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:968: * struct iwl_scan_probe_params_v4 - scan probe parameters\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:969: * @preq: scan probe request params\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-970- * @short_ssid_num: number of valid short SSIDs in short ssid array\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-976- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:977:struct iwl_scan_probe_params_v4 {\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:978:\tstruct iwl_scan_probe_req preq;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-979-\tu8 short_ssid_num;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=1097=struct iwl_scan_periodic_parms_v1 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1107- * @periodic_params: \u0026struct iwl_scan_periodic_parms_v1\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:1108: * @probe_params: \u0026struct iwl_scan_probe_params_v3\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1109- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=1110=struct iwl_scan_req_params_v12 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1113-\tstruct iwl_scan_periodic_parms_v1 periodic_params;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:1114:\tstruct iwl_scan_probe_params_v3 probe_params;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1115-} __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_12 */\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1121- * @periodic_params: \u0026struct iwl_scan_periodic_parms_v1\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:1122: * @probe_params: \u0026struct iwl_scan_probe_params_v4\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1123- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=1124=struct iwl_scan_req_params_v17 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1127-\tstruct iwl_scan_periodic_parms_v1 periodic_params;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:1128:\tstruct iwl_scan_probe_params_v4 probe_params;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1129-} __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_17 - 14 */\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1135- * @periodic_params: \u0026struct iwl_scan_periodic_parms_v1\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:1136: * @probe_params: \u0026struct iwl_scan_probe_params_v4\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1137- */\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h=1138=struct iwl_scan_req_params_v18 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1141-\tstruct iwl_scan_periodic_parms_v1 periodic_params;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h:1142:\tstruct iwl_scan_probe_params_v4 probe_params;\ndrivers/net/wireless/intel/iwlwifi/fw/api/scan.h-1143-} __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_18 */\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/sta.h=242=struct iwl_mvm_add_sta_cmd_v7 {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/sta.h-268- * @IWL_STA_GENERAL_PURPOSE: General purpose. In AP mode used for beacons\ndrivers/net/wireless/intel/iwlwifi/fw/api/sta.h:269: *\tand probe responses.\ndrivers/net/wireless/intel/iwlwifi/fw/api/sta.h-270- * @IWL_STA_MULTICAST: multicast traffic,\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/stats.h=19=struct mvm_statistics_div {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/stats.h-22-\t__le32 exec_time;\ndrivers/net/wireless/intel/iwlwifi/fw/api/stats.h:23:\t__le32 probe_time;\ndrivers/net/wireless/intel/iwlwifi/fw/api/stats.h-24-\t__le32 rssi_ant;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/tx.h-30- * @TX_CMD_FLG_TSF: FW should calculate and insert TSF in the frame\ndrivers/net/wireless/intel/iwlwifi/fw/api/tx.h:31: *\tShould be set for beacons and probe responses\ndrivers/net/wireless/intel/iwlwifi/fw/api/tx.h-32- * @TX_CMD_FLG_CALIB: activate PA TX power calibrations\n--\ndrivers/net/wireless/intel/iwlwifi/fw/api/txq.h-25- * @IWL_MVM_DQA_MAX_MGMT_QUEUE: last TXQ in pool for MGMT frames\ndrivers/net/wireless/intel/iwlwifi/fw/api/txq.h:26: * @IWL_MVM_DQA_AP_PROBE_RESP_QUEUE: a queue reserved for P2P GO/SoftAP probe\ndrivers/net/wireless/intel/iwlwifi/fw/api/txq.h-27- *\tresponses\n--\ndrivers/net/wireless/intel/iwlwifi/fw/file.h=171=struct iwl_ucode_capa {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/file.h-187- *\t(rather than two) IPv6 addresses\ndrivers/net/wireless/intel/iwlwifi/fw/file.h:188: * @IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID: not sending a probe with the SSID element\ndrivers/net/wireless/intel/iwlwifi/fw/file.h:189: *\tfrom the probe request template.\ndrivers/net/wireless/intel/iwlwifi/fw/file.h-190- * @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL: new NS offload (small version)\n--\ndrivers/net/wireless/intel/iwlwifi/fw/file.h=326=typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;\n--\ndrivers/net/wireless/intel/iwlwifi/fw/file.h-338- * @IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT: supports updating current\ndrivers/net/wireless/intel/iwlwifi/fw/file.h:339: *\tchannel in DS parameter set element in probe requests.\ndrivers/net/wireless/intel/iwlwifi/fw/file.h-340- * @IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT: supports adding TPC Report IE in\ndrivers/net/wireless/intel/iwlwifi/fw/file.h:341: *\tprobe requests.\ndrivers/net/wireless/intel/iwlwifi/fw/file.h-342- * @IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT: supports Quiet Period requests\n--\ndrivers/net/wireless/intel/iwlwifi/fw/file.h=457=enum iwl_ucode_tlv_capa {\n--\ndrivers/net/wireless/intel/iwlwifi/fw/file.h-575-\ndrivers/net/wireless/intel/iwlwifi/fw/file.h:576:/* The default max probe length if not specified by the firmware file */\ndrivers/net/wireless/intel/iwlwifi/fw/file.h-577-#define IWL_DEFAULT_MAX_PROBE_LENGTH\t200\n--\ndrivers/net/wireless/intel/iwlwifi/fw/img.h=46=struct iwl_ucode_capabilities {\ndrivers/net/wireless/intel/iwlwifi/fw/img.h:47:\tu32 max_probe_length;\ndrivers/net/wireless/intel/iwlwifi/fw/img.h-48-\tu32 n_scan_channels;\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c=792=static int iwl_parse_tlv_firmware(struct iwl_drv *drv,\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-912-\t\t\t\tgoto invalid_tlv_len;\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:913:\t\t\tcapa-\u003emax_probe_length =\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-914-\t\t\t\t\tle32_to_cpup((const __le32 *)tlv_data);\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c=1644=static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1661-\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:1662:\tfw-\u003eucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1663-\tfw-\u003eucode_capa.standard_phy_calibration_size =\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-32- * This component implements the system flows such as bus enumeration, bus\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:33: * removal. Bus dependent parts of system flows (such as iwl_pci_probe) are in\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-34- * bus specific files (transport files). This is the code that is common among\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-44- * 2) The bus specific component registers the bus driver\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:45: * 3) The bus driver calls the probe function\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-46- * 4) The bus specific component configures the bus\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h=56=struct iwl_rf_cfg;\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-62- * starts the driver: fetches the firmware. This should be called by bus\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h:63: * specific system flows implementations. For example, the bus specific probe\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.h-64- * function should do bus related operations only, and then call to this\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c=70=void iwl_trans_free_restart_list(void)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-80-\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:81:struct iwl_trans_reprobe {\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-82-\tstruct device *dev;\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-85-\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:86:static void iwl_trans_reprobe_wk(struct work_struct *wk)\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-87-{\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:88:\tstruct iwl_trans_reprobe *reprobe;\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-89-\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:90:\treprobe = container_of(wk, typeof(*reprobe), work.work);\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-91-\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:92:\tif (device_reprobe(reprobe-\u003edev))\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:93:\t\tdev_err(reprobe-\u003edev, \"reprobe failed!\\n\");\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:94:\tput_device(reprobe-\u003edev);\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:95:\tkfree(reprobe);\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-96-\tmodule_put(THIS_MODULE);\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-98-\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c:99:static void iwl_trans_schedule_reprobe(struct iwl_trans *trans,\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-100-\t\t\t\t       unsigned int delay_ms)\ndrivers/net/wireless/intel/iwlwifi/iwl-trans.c-101-{\n\n"
}

gemini-3.1-pro-preview

null

null

							input: 35674
							output: 34
							thoughts: 103
						

**Investigating the `iwl_trans_schedule_reprobe` Call**

Okay, so `iwl_trans_schedule_reprobe` is calling `device_reprobe`. My immediate thought is, "Right, the device has to exist for that to even *happen*." I need to understand the context. Now, I'm trying to recall – is there a virtual device driver for `iwlwifi`? I don't think so, but I need to be certain. Nope, nothing comes to mind.

Alright, a more pressing question is, can I even *reach* this code with syzkaller? That's the real test. Syzkaller can fuzz USB devices using `dummy_hcd` and emulate a USB gadget. So, I need to check if iwlwifi has a USB driver that syzkaller might be able to interact with? Let's check. Time to dive into the kernel sources.

no matches

{
  "Expression": "usb_register",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 36025
							output: 37
							thoughts: 10
						

Okay, here's my interpretation of those thoughts, tailored for an expert audience, and delivered as a first-person summary:

**The Peripheral Dilemma**

Right, no USB driver… that's a significant roadblock. We're obviously lacking the proper interface to handle data exchange with external devices. Forget the obvious solutions and workarounds for the moment. Let's dig deeper. What other options are there? My mind immediately jumps to a well-established standard for embedded systems: **SDIO**. Is that a viable alternative in this context? Considering the design constraints and the expected functionality, does it align with the project requirements? We must evaluate the feasibility of integrating SDIO as a secondary or primary data pathway. Is it worth the effort? What about power consumption, data rates, and compatibility? We need to quickly assess if it's a worthwhile avenue to explore. Time to pull up the datasheets.

no matches

{
  "Expression": "sdio_register_driver",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 36274
							output: 42
							thoughts: 491
						

**Analyzing the Iwlwifi Driver's Accessibility in Virtualized Environments**

Okay, so the `iwlwifi` driver, it's strictly PCI, not SDIO. Right off the bat, I know this is a problem. Syzkaller doesn't offer a generic PCI emulator capable of injecting arbitrary PCI devices like it does for USB with `dummy_hcd`. And QEMU, as far as I know, doesn't emulate the `iwlwifi` hardware specifically. This means the driver simply won't probe in any of these virtualized setups.

If the driver *never* probes, the firmware request never happens. That’s crucial. Which means functions like `iwl_parse_tlv_firmware` and `iwl_dbg_tlv_parse_bin` are completely bypassed. Likewise, `iwl_mvm_get_bios_tables` won't be called, so we won't hit `iwl_acpi_get_wgds_table` or `iwl_uefi_get_wgds_table` either.

Hang on, wait a second... does Syzkaller *maybe* have PCI fuzzing using `vfio` or `pci_endpoint_test`? I need to consider that. Even then, PCI fuzzing usually needs a host device exposed or QEMU emulation. And I don’t think Syzkaller has a `syz_pci_device` syscall, does it? Nope. Okay, wait, it has `syz_kvm_setup_cpu` and `syz_usb_connect`. I'll have to double-check for PCI-related pseudo-syscalls.

I'd ideally check the Syzkaller source directly, but I don't have that access. However, looking back at the prompt, it says: "Code paths that are impossible to reach in virtualized environments like GCE or QEMU, even when utilizing software-emulated hardware (e.g., usb gadget, mac80211_hwsim)." The prompt explicitly lists `usb gadget` and `mac80211_hwsim`, which I'm familiar with, but it completely *avoids* mentioning any PCI emulator, because there isn't a generic one in the kernel that Syzkaller can leverage to inject arbitrary PCI devices.

So, absent a PCI device, the `iwlwifi` driver will just register its PCI driver struct and do precisely nothing else. I’m quite confident. Therefore, the code that's been modified in this case will be completely unreachable in any of these virtualized environments.

Just to be absolutely sure, let me double-check if `iwl_dbg_tlv_parse_bin` might be accessible through debugfs.

{
  "Expression": "iwl_dbg_tlv_parse_bin",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c=418=void iwl_dbg_tlv_free(struct iwl_trans *trans)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c-472-\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:473:static int iwl_dbg_tlv_parse_bin(struct iwl_trans *trans, const u8 *data,\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c-474-\t\t\t\t size_t len)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c=508=void iwl_dbg_tlv_load_bin(struct device *dev, struct iwl_trans *trans)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c-525-\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:526:\tiwl_dbg_tlv_parse_bin(trans, fw-\u003edata, fw-\u003esize);\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c-527-\n"
}

gemini-3.1-pro-preview

null

null

							input: 37735
							output: 42
							thoughts: 18
						

Here's a summary of my thought process, as requested:

**Deconstructing `iwl_dbg_tlv_load_bin`**

Okay, so the prompt is just "iwl_dbg_tlv_load_bin" - my immediate instinct, given my experience, is to figure out the context. Specifically, I need to understand *where* this function is called from. That's the crucial first step. Is it called from a driver initialization sequence? Perhaps during firmware loading? Or maybe it's related to some sort of debug interface or debugging tools? Knowing the call sites will immediately give me significant insight into its purpose and how it fits into the broader picture of the Intel wireless driver. I need to trace its call graph and see who is calling whom. Without that initial understanding, I'm just guessing, and I don't operate on guesses. Let's see...

{
  "Expression": "iwl_dbg_tlv_load_bin",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi"
}

{
  "Output": "drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c=473=static int iwl_dbg_tlv_parse_bin(struct iwl_trans *trans, const u8 *data,\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c-507-\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c:508:void iwl_dbg_tlv_load_bin(struct device *dev, struct iwl_trans *trans)\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c-509-{\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h=49=struct iwl_fw_runtime;\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h-50-\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h:51:void iwl_dbg_tlv_load_bin(struct device *dev, struct iwl_trans *trans);\ndrivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.h-52-void iwl_dbg_tlv_free(struct iwl_trans *trans);\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c=1644=static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)\n--\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1890-\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c:1891:\tiwl_dbg_tlv_load_bin(drv-\u003etrans-\u003edev, drv-\u003etrans);\ndrivers/net/wireless/intel/iwlwifi/iwl-drv.c-1892-\n"
}

gemini-3.1-pro-preview

null

null

							input: 38470
							output: 39
							thoughts: 274
						

**My Assessment of the Code's Reachability**

Okay, so I'm looking at this code and it's called from `iwl_req_fw_callback`. Right, the same old path: PCI probe -> `iwl_drv_start` -> `iwl_request_firmware` -> `iwl_req_fw_callback`. Makes sense. Without the PCI device, this entire sequence is bypassed.

Let me think... Is there *any* other conceivable route to hit `iwl_req_fw_callback`? Nope, it's a callback specifically passed to `request_firmware_nowait`. The function seems solely tied to firmware requests, and those requests are initiated solely within `iwl_drv_start`. And `iwl_drv_start`, that's just the PCI probe function's baby.

Therefore, as it stands, that specific piece of modified code is completely inaccessible in a virtualized environment – no chance in hell without that particular Intel Wi-Fi hardware. I need to make a judgment call here. I'm going to return `WorthFuzzing=false`. My reasoning is solid: this is a hardware-specific PCI driver. You can't probe it in environments like QEMU or GCE, which would make the code unreachable for fuzzing.

Hang on... wait a second. Is there even a sliver of a chance `iwlwifi` *could* be probed via a testing framework of some kind? I vaguely recall seeing something about `KUNIT`... yep, there it is: `IWLWIFI_KUNIT_TESTS`. Alright, let's take a look at what those KUnit tests are doing. Maybe, just maybe, there's a back door.

no matches

{
  "Expression": "iwl_drv_start",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi/tests"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 39170
							output: 41
							thoughts: 3
						

Okay, here's my attempt at summarizing the thought process, tailored for an expert audience, and written in the first person:

**Navigating the Empty Set**

Well, this is… interesting. The initial assessment is clear: "No matches." No hits, no relevant results, nothing to work with. My first thought is to immediately diagnose the problem. Am I using the correct search terms? Have I provided enough contextual information? Is the data source I'm querying even reliable or relevant to the problem I'm trying to solve? Or, is it possible, that I've already explored this area comprehensively and this is a confirmation of my prior analysis.

Perhaps this lack of matches is significant in itself. Does this 'no match' result signify a gap in our current understanding? Or, maybe it points to the need for a radically different approach, a different framework altogether, or a completely new line of investigation. It could even be that the question itself is flawed, and needs to be redefined or reframed. I'll need to go back, reassess the parameters, and meticulously scrutinize the conditions that should have generated a result, to understand why I'm here. This is not the end; it's a critical starting point to deepen my investigation.

no matches

{
  "Expression": "iwl_req_fw_callback",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi/tests"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 39490
							output: 43
							thoughts: 3
						

Okay, here's my attempt at summarizing the thought process, tailored for an expert audience, and written in the first person:

**Navigating the Empty Search Space**

Hmm, "no matches." This is where things get interesting, isn't it? As an expert, I'm immediately running through a mental checklist of possibilities. The initial assumption is always the query itself. Is the search term too specific? Too vague? Is it using the correct terminology, the vernacular of the field, or perhaps a more obscure, technical phrasing that I hadn't considered? I'm already mentally cross-referencing synonyms, related concepts, and potential broader categories the search might fall under.

Next, I'm thinking about the data source. Is it even the *right* dataset? Are there any limitations or caveats to this particular database or index? Could there be an indexing issue, a known glitch, or even a simple typo in the source itself? Am I dealing with a closed system, or am I able to expand the search parameters, perhaps to a more comprehensive open access source, or even considering external resources and a different, perhaps multi-faceted research approach?

Then I'm considering the search methodology itself. Am I using the correct search operators? Should I be using Boolean logic, wildcard characters, proximity searches? Have I tried different combinations of keywords and filters? Maybe a structured query with specific parameters would be more effective than a free-text search. I'm exploring the possibilities, even though there's nothing obvious on the horizon, trying to find which angle gives the most potential for exploration.

Essentially, "no matches" isn't a dead end. It's a starting point. It's a signal to dive deeper, to refine the approach, and to creatively reframe the problem. It highlights the importance of iterating, of trying different strategies, and of constantly questioning the assumptions underlying the initial query and the data itself. The search just got *much* more interesting.

no matches

{
  "Expression": "iwl_parse_tlv_firmware",
  "PathPrefix": "drivers/net/wireless/intel/iwlwifi/tests"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 39960
							output: 31
							thoughts: 51
						

**Initial Assessment of KUnit Test Coverage**

Okay, so I've hit a dead end with the initial search. It looks like the standard search hasn't yielded any relevant matches. That's a bit frustrating, but not entirely unexpected. Given the nature of firmware interaction and ACPI/UEFI table parsing, those areas are often tightly coupled with the low-level hardware or more complex. It's highly unlikely that the simple KUnit tests would focus on that kind of deep parsing logic directly. They are probably focused on those utility functions I mentioned earlier.

Let's adjust the search. My next step will be to explore a more targeted area. I'll take a look at the tests within the `drivers/net/wireless/intel/iwlwifi/tests` directory. While wireless drivers might seem like an odd place to start, it's often a good place to start, since the underlying test structure may be similar. This directory would likely contain its own test suite that might shed light on how they approach testing the deeper, more hardware-specific interactions, or, at the very least, provide a more suitable starting point. I'm hoping to discover the testing methodologies or structures that are used, which I can adapt for my own needs.

{
  "Dir": "drivers/net/wireless/intel/iwlwifi/tests"
}

{
  "Files": [
    "devinfo.c",
    "module.c",
    "nvm_parse.c",
    "utils.c"
  ],
  "Subdirs": null
}

gemini-3.1-pro-preview

null

null

							input: 40344
							output: 140
							thoughts: 208
						

**Unreachable Code in iwlwifi Driver**

Okay, so I've looked at these tests, and it's clear they're not touching the code I've just modified. Specifically, the KUnit tests for `devinfo`, `nvm_parse`, and `utils` aren't covering anything in `fw/acpi.c`, `fw/uefi.c`, `iwl-dbg-tlv.c`, or `iwl-drv.c`. That's a problem. My changes are in firmware parsing and ACPI/UEFI table handling within the Intel Wireless WiFi driver – a PCI driver, hardware-specific. Now, the key here is the environment: syzkaller and these virtualized environments like QEMU and GCE *don't* emulate Intel Wi-Fi hardware. The driver won't even probe, making the parts I changed unreachable. Things like `iwl_req_fw_callback` and `iwl_parse_tlv_firmware` are dead code in this context. Therefore, fuzzing those areas is pointless. I'm setting `WorthFuzzing` to `false`.

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch modifies firmware parsing and ACPI/UEFI table parsing logic in the Intel Wireless WiFi (iwlwifi) driver. This is a hardware-specific PCI driver. Since syzkaller and virtualized environments like QEMU/GCE do not emulate Intel Wi-Fi PCI hardware, the driver will never probe. Consequently, the firmware request and parsing paths (e.g., iwl_req_fw_callback, iwl_parse_tlv_firmware) are completely unreachable and cannot be fuzzed.",
  "WorthFuzzing": false
}

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch modifies firmware parsing and ACPI/UEFI table parsing logic in the Intel Wireless WiFi (iwlwifi) driver. This is a hardware-specific PCI driver. Since syzkaller and virtualized environments like QEMU/GCE do not emulate Intel Wi-Fi PCI hardware, the driver will never probe. Consequently, the firmware request and parsing paths (e.g., iwl_req_fw_callback, iwl_parse_tlv_firmware) are completely unreachable and cannot be fuzzed.",
  "WorthFuzzing": false
}