| Seq | Timestamp | Type | Name | Duration |
|---|---|---|---|---|
| 0/0 | 2026/08/03 15:36 | flow | patch-triage |
0mArgs:null Results: {
"EnableConfigs": [
"RTL8192CU"
],
"FocusSymbols": [
"rtl92cu_update_hal_rate_tbl"
],
"Reasoning": "The patch modifies the rate mask update logic in the Realtek RTL8192CU USB Wi-Fi driver. It removes the SMPS static condition and simplifies the rate mask calculation. This is a functional change in a USB driver, which can be fuzzed using USB emulation (dummy_hcd/raw gadget). The entry point for this logic is `rtl92cu_update_hal_rate_tbl`.",
"WorthFuzzing": true
} |
| 1/1 | 2026/08/03 15:36 | action | read-patch-diff |
0mArgs:null Results: {
"PatchDiff": "commit 1dc220809b1a7d7ef9a62ab8d4e82044cd9b30c7\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Mon Aug 3 15:36:31 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c\nindex 989e7cff8e201..e75f7ec44e6a1 100644\n--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c\n+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c\n@@ -1911,7 +1911,6 @@ static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,\n \tbool shortgi = false;\n \tu8 rate_mask[5];\n \tu8 macid = 0;\n-\tu8 mimo_ps = IEEE80211_SMPS_OFF;\n \n \tsta_entry = (struct rtl_sta_info *) sta-\u003edrv_priv;\n \twirelessmode = sta_entry-\u003ewireless_mode;\n@@ -1956,47 +1955,38 @@ static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,\n \tcase WIRELESS_MODE_N_5G:\n \t\tratr_index = RATR_INX_WIRELESS_NGB;\n \n-\t\tif (mimo_ps == IEEE80211_SMPS_STATIC) {\n-\t\t\tif (rssi_level == 1)\n-\t\t\t\tratr_bitmap \u0026= 0x00070000;\n-\t\t\telse if (rssi_level == 2)\n-\t\t\t\tratr_bitmap \u0026= 0x0007f000;\n-\t\t\telse\n-\t\t\t\tratr_bitmap \u0026= 0x0007f005;\n+\t\tif (rtlphy-\u003erf_type == RF_1T2R ||\n+\t\t rtlphy-\u003erf_type == RF_1T1R) {\n+\t\t\tif (curtxbw_40mhz) {\n+\t\t\t\tif (rssi_level == 1)\n+\t\t\t\t\tratr_bitmap \u0026= 0x000f0000;\n+\t\t\t\telse if (rssi_level == 2)\n+\t\t\t\t\tratr_bitmap \u0026= 0x000ff000;\n+\t\t\t\telse\n+\t\t\t\t\tratr_bitmap \u0026= 0x000ff015;\n+\t\t\t} else {\n+\t\t\t\tif (rssi_level == 1)\n+\t\t\t\t\tratr_bitmap \u0026= 0x000f0000;\n+\t\t\t\telse if (rssi_level == 2)\n+\t\t\t\t\tratr_bitmap \u0026= 0x000ff000;\n+\t\t\t\telse\n+\t\t\t\t\tratr_bitmap \u0026= 0x000ff005;\n+\t\t\t}\n \t\t} else {\n-\t\t\tif (rtlphy-\u003erf_type == RF_1T2R ||\n-\t\t\t rtlphy-\u003erf_type == RF_1T1R) {\n-\t\t\t\tif (curtxbw_40mhz) {\n-\t\t\t\t\tif (rssi_level == 1)\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x000f0000;\n-\t\t\t\t\telse if (rssi_level == 2)\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x000ff000;\n-\t\t\t\t\telse\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x000ff015;\n-\t\t\t\t} else {\n-\t\t\t\t\tif (rssi_level == 1)\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x000f0000;\n-\t\t\t\t\telse if (rssi_level == 2)\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x000ff000;\n-\t\t\t\t\telse\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x000ff005;\n-\t\t\t\t}\n+\t\t\tif (curtxbw_40mhz) {\n+\t\t\t\tif (rssi_level == 1)\n+\t\t\t\t\tratr_bitmap \u0026= 0x0f0f0000;\n+\t\t\t\telse if (rssi_level == 2)\n+\t\t\t\t\tratr_bitmap \u0026= 0x0f0ff000;\n+\t\t\t\telse\n+\t\t\t\t\tratr_bitmap \u0026= 0x0f0ff015;\n \t\t\t} else {\n-\t\t\t\tif (curtxbw_40mhz) {\n-\t\t\t\t\tif (rssi_level == 1)\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x0f0f0000;\n-\t\t\t\t\telse if (rssi_level == 2)\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x0f0ff000;\n-\t\t\t\t\telse\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x0f0ff015;\n-\t\t\t\t} else {\n-\t\t\t\t\tif (rssi_level == 1)\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x0f0f0000;\n-\t\t\t\t\telse if (rssi_level == 2)\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x0f0ff000;\n-\t\t\t\t\telse\n-\t\t\t\t\t\tratr_bitmap \u0026= 0x0f0ff005;\n-\t\t\t\t}\n+\t\t\t\tif (rssi_level == 1)\n+\t\t\t\t\tratr_bitmap \u0026= 0x0f0f0000;\n+\t\t\t\telse if (rssi_level == 2)\n+\t\t\t\t\tratr_bitmap \u0026= 0x0f0ff000;\n+\t\t\t\telse\n+\t\t\t\t\tratr_bitmap \u0026= 0x0f0ff005;\n \t\t\t}\n \t\t}\n \n"
} |
| 2/1 | 2026/08/03 15:36 | agent | patch-evaluator |
0mModel:best-expensive Args: null Results: {
"EnableConfigs": [
"RTL8192CU"
],
"FocusSymbols": [
"rtl92cu_update_hal_rate_tbl"
],
"Reasoning": "The patch modifies the rate mask update logic in the Realtek RTL8192CU USB Wi-Fi driver. It removes the SMPS static condition and simplifies the rate mask calculation. This is a functional change in a USB driver, which can be fuzzed using USB emulation (dummy_hcd/raw gadget). The entry point for this logic is `rtl92cu_update_hal_rate_tbl`.",
"WorthFuzzing": true
}Instruction: 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). - Code in vendor-specific PCIe switch, SmartNIC, or GPU drivers (e.g., mlxsw, pds_core, qed, ionic, amdgpu) that require physical PCIe hardware cards not emulated in standard QEMU. - Driver .remove, .shutdown, or pci_unregister_driver teardown callbacks (e.g., igb_remove) that are executed only during PCI hot-unplug or sysfs driver unbind operations. 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. Prefer non-static, non-inlined API entrypoint functions over internal static helper functions (which are inlined by the compiler and do not have distinct symbol addresses). 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. Also check "depends on" lines in Kconfig to include any non-standard parent subsystem configs needed for Kbuild to compile the code statically into vmlinux. 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. Prompt: For your convenience, here is the diff of the changes:
commit 1dc220809b1a7d7ef9a62ab8d4e82044cd9b30c7
Author: syz-cluster <triage@syzkaller.com>
Date: Mon Aug 3 15:36:31 2026 +0000
syz-cluster: applied patch under review
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
index 989e7cff8e201..e75f7ec44e6a1 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
@@ -1911,7 +1911,6 @@ static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,
bool shortgi = false;
u8 rate_mask[5];
u8 macid = 0;
- u8 mimo_ps = IEEE80211_SMPS_OFF;
sta_entry = (struct rtl_sta_info *) sta->drv_priv;
wirelessmode = sta_entry->wireless_mode;
@@ -1956,47 +1955,38 @@ static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,
case WIRELESS_MODE_N_5G:
ratr_index = RATR_INX_WIRELESS_NGB;
- if (mimo_ps == IEEE80211_SMPS_STATIC) {
- if (rssi_level == 1)
- ratr_bitmap &= 0x00070000;
- else if (rssi_level == 2)
- ratr_bitmap &= 0x0007f000;
- else
- ratr_bitmap &= 0x0007f005;
+ if (rtlphy->rf_type == RF_1T2R ||
+ rtlphy->rf_type == RF_1T1R) {
+ if (curtxbw_40mhz) {
+ if (rssi_level == 1)
+ ratr_bitmap &= 0x000f0000;
+ else if (rssi_level == 2)
+ ratr_bitmap &= 0x000ff000;
+ else
+ ratr_bitmap &= 0x000ff015;
+ } else {
+ if (rssi_level == 1)
+ ratr_bitmap &= 0x000f0000;
+ else if (rssi_level == 2)
+ ratr_bitmap &= 0x000ff000;
+ else
+ ratr_bitmap &= 0x000ff005;
+ }
} else {
- if (rtlphy->rf_type == RF_1T2R ||
- rtlphy->rf_type == RF_1T1R) {
- if (curtxbw_40mhz) {
- if (rssi_level == 1)
- ratr_bitmap &= 0x000f0000;
- else if (rssi_level == 2)
- ratr_bitmap &= 0x000ff000;
- else
- ratr_bitmap &= 0x000ff015;
- } else {
- if (rssi_level == 1)
- ratr_bitmap &= 0x000f0000;
- else if (rssi_level == 2)
- ratr_bitmap &= 0x000ff000;
- else
- ratr_bitmap &= 0x000ff005;
- }
+ if (curtxbw_40mhz) {
+ if (rssi_level == 1)
+ ratr_bitmap &= 0x0f0f0000;
+ else if (rssi_level == 2)
+ ratr_bitmap &= 0x0f0ff000;
+ else
+ ratr_bitmap &= 0x0f0ff015;
} else {
- if (curtxbw_40mhz) {
- if (rssi_level == 1)
- ratr_bitmap &= 0x0f0f0000;
- else if (rssi_level == 2)
- ratr_bitmap &= 0x0f0ff000;
- else
- ratr_bitmap &= 0x0f0ff015;
- } else {
- if (rssi_level == 1)
- ratr_bitmap &= 0x0f0f0000;
- else if (rssi_level == 2)
- ratr_bitmap &= 0x0f0ff000;
- else
- ratr_bitmap &= 0x0f0ff005;
- }
+ if (rssi_level == 1)
+ ratr_bitmap &= 0x0f0f0000;
+ else if (rssi_level == 2)
+ ratr_bitmap &= 0x0f0ff000;
+ else
+ ratr_bitmap &= 0x0f0ff005;
}
}
|
| 3/2 | 2026/08/03 15:36 | llm | patch-evaluator |
0mModel:gemini-3.1-pro-preview Args: null Results: null Tokens: input: 3219 output: 40 thoughts: 218 Thoughts: **Analyzing a Realtek Wireless Driver for Fuzzing Potential** Okay, so I'm looking at this patch that's been applied to `drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c`. It looks like it's removing the `mimo_ps` variable and a specific condition related to it within the `rtl92cu_update_hal_rate_mask` function. This is interesting. This is a wireless driver for the Realtek RTL8192CU, which I recognize is a USB device. The fact that it's USB immediately makes me think about fuzzing, particularly given that USB devices can be emulated using raw USB gadgets. So, my mind is already jumping to potential fuzzing strategies. Now, a quick check to see if I can use mac80211_hwsim? No, that's a software simulator, not relevant here. However, syzkaller could be helpful because it can fuzz USB drivers with the dummy_hcd and raw gadget. But first, let me confirm my assumption: is `rtl8192cu` actually a USB driver? Yes, definitely. Now that's confirmed, let's take a look at the config for `rtl8192cu`. |
| 4/2 | 2026/08/03 15:36 | tool | grepper |
0mArgs:{
"Expression": "config RTL8192CU",
"PathPrefix": "drivers/net/wireless/realtek/rtlwifi/"
}Results: {
"Output": "drivers/net/wireless/realtek/rtlwifi/Kconfig=98=config RTL8821AE\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-109-\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:110:config RTL8192CU\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-111-\ttristate \"Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter\"\n"
} |
| 5/2 | 2026/08/03 15:36 | llm | patch-evaluator |
0mModel:gemini-3.1-pro-preview Args: null Results: null Tokens: input: 3890 output: 37 thoughts: 17 Thoughts: Here's my thought process, as if I were analyzing that question: **Deconstructing Dependencies of RTL8192CU** Okay, so the task is to understand the dependencies of the `RTL8192CU` driver. That's a good starting point. My first instinct, given my experience, is to avoid jumping into code immediately. I'd begin by thinking about the broader context of a typical network driver. I'm assuming this is a Linux-based system, likely targeting a specific hardware platform. I’ll need to figure out what external components or libraries this driver, `RTL8192CU`, relies on to function correctly. This could include, but is not limited to, the kernel itself, other kernel modules, specific hardware abstraction layers (HALs) if it exists, or even userspace utilities for configuration. I would guess, being a Realtek driver, it might rely on a proprietary HAL, or at least a specific kernel version for compatibility. I would need to consider the kernel build system and any associated configurations. Does it rely on a specific makefile or Kconfig settings? Are there any kernel headers that need to be included and present at compile time? Knowing the kernel's version and configuration could offer insights into any specific interface or functionality. I'd also consider the underlying hardware and the hardware-specific components. Does it need a specific firmware to operate? Perhaps some of the driver's functions are handled in firmware. |
| 6/2 | 2026/08/03 15:36 | tool | grepper |
0mArgs:{
"Expression": "depends on",
"PathPrefix": "drivers/net/wireless/realtek/rtlwifi/Kconfig"
}Results: {
"Output": "drivers/net/wireless/realtek/rtlwifi/Kconfig=2=menuconfig RTL_CARDS\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-3-\ttristate \"Realtek rtlwifi family of devices\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:4:\tdepends on MAC80211 \u0026\u0026 (PCI || USB)\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-5-\tdefault y\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=14=config RTL8192CE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-15-\ttristate \"Realtek RTL8192CE/RTL8188CE Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:16:\tdepends on PCI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-17-\tselect RTL8192C_COMMON\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=26=config RTL8192SE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-27-\ttristate \"Realtek RTL8192SE/RTL8191SE PCIe Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:28:\tdepends on PCI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-29-\tselect RTLWIFI\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=37=config RTL8192DE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-38-\ttristate \"Realtek RTL8192DE/RTL8188DE PCIe Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:39:\tdepends on PCI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-40-\tselect RTL8192D_COMMON\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=49=config RTL8723AE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-50-\ttristate \"Realtek RTL8723AE PCIe Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:51:\tdepends on PCI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-52-\tselect RTLWIFI\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=62=config RTL8723BE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-63-\ttristate \"Realtek RTL8723BE PCIe Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:64:\tdepends on PCI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-65-\tselect RTLWIFI\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=75=config RTL8188EE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-76-\ttristate \"Realtek RTL8188EE Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:77:\tdepends on PCI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-78-\tselect RTLWIFI\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=86=config RTL8192EE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-87-\ttristate \"Realtek RTL8192EE Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:88:\tdepends on PCI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-89-\tselect RTLWIFI\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=98=config RTL8821AE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-99-\ttristate \"Realtek RTL8821AE/RTL8812AE Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:100:\tdepends on PCI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-101-\tselect RTLWIFI\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=110=config RTL8192CU\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-111-\ttristate \"Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:112:\tdepends on USB\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-113-\tselect RTLWIFI\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=122=config RTL8192DU\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-123-\ttristate \"Realtek RTL8192DU USB Wireless Network Adapter\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:124:\tdepends on USB\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-125-\tselect RTLWIFI\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=144=config RTLWIFI_DEBUG\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-145-\tbool \"Debugging output for rtlwifi driver family\"\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:146:\tdepends on RTLWIFI\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-147-\tdefault y\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=153=config RTL8192C_COMMON\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-154-\ttristate\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:155:\tdepends on RTL8192CE || RTL8192CU\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-156-\tdefault y\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=161=config RTL8723_COMMON\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-162-\ttristate\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:163:\tdepends on RTL8723AE || RTL8723BE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-164-\tdefault y\n--\ndrivers/net/wireless/realtek/rtlwifi/Kconfig=166=config RTLBTCOEXIST\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-167-\ttristate\ndrivers/net/wireless/realtek/rtlwifi/Kconfig:168:\tdepends on RTL8723AE || RTL8723BE || RTL8821AE || RTL8192EE\ndrivers/net/wireless/realtek/rtlwifi/Kconfig-169-\tdefault y\n"
} |
| 7/2 | 2026/08/03 15:36 | llm | patch-evaluator |
0mModel:gemini-3.1-pro-preview Args: null Results: null Tokens: input: 6070 output: 52 thoughts: 72 Thoughts: **Analyzing the RTL8192CU Module's Dependencies** Okay, let's break this down. My initial assessment is that the `RTL8192CU` driver relies on the `USB` subsystem, and in turn, the `RTL_CARDS` module. `RTL_CARDS` itself seems to be intricately linked with `MAC80211` and either `PCI` or `USB` – which makes sense in the context of network card architectures. Now, the key function I'm looking at, the one I'm focused on, is `rtl92cu_update_hal_rate_mask`. My next step is to determine its accessibility within the overall system. I need to trace its call graph and understand if it's actually being used. This dependency structure gives me a starting point, now the goal is to see how this all connects. |
| 8/2 | 2026/08/03 15:36 | tool | grepper |
0mArgs:{
"Expression": "rtl92cu_update_hal_rate_mask",
"PathPrefix": "drivers/net/wireless/realtek/rtlwifi/rtl8192cu/"
}Results: {
"Output": "drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c=1805=static void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c-1892-\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c:1893:static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c-1894-\t\t\t\t\t struct ieee80211_sta *sta,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c=2030=void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c-2036-\tif (rtlpriv-\u003edm.useramask)\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c:2037:\t\trtl92cu_update_hal_rate_mask(hw, sta, rssi_level, update_bw);\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c-2038-\telse\n"
} |
| 9/2 | 2026/08/03 15:36 | llm | patch-evaluator |
0mModel:gemini-3.1-pro-preview Args: null Results: null Tokens: input: 6779 output: 52 thoughts: 52 Thoughts: Okay, here's my interpretation of that thought process, from an expert's perspective: **Diving into the Rate Table Update** Alright, so I'm looking at `rtl92cu_update_hal_rate_tbl`. I see it's calling `rtl92cu_update_hal_rate_mask`, which is interesting – likely indicating some kind of rate selection or mask manipulation. My immediate thought is, "Okay, that's the dependency. But what triggers *this* function, `rtl92cu_update_hal_rate_tbl`, in the first place?" I need to understand its context. I need to trace back its call sites. What events or state changes necessitate updating the rate table? Is this triggered on connection establishment, channel changes, power save events, or something else entirely? Time to dig into the code and see where this function is actually *used*. This will give me the crucial context I need to really understand the logic within. I’ll look for the calls to `rtl92cu_update_hal_rate_tbl` to find the trigger and use that information to assess the rate management scheme. |
| 10/2 | 2026/08/03 15:36 | tool | grepper |
0mArgs:{
"Expression": "rtl92cu_update_hal_rate_tbl",
"PathPrefix": "drivers/net/wireless/realtek/rtlwifi/rtl8192cu/"
}Results: {
"Output": "drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c=1893=static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c-2029-\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c:2030:void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c-2031-\t\t\t\t struct ieee80211_sta *sta,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.h=78=bool rtl92cu_phy_mac_config(struct ieee80211_hw *hw);\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.h:79:void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.h-80-\t\t\t\t struct ieee80211_sta *sta,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c=84=static const struct rtl_hal_ops rtl8192cu_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c-100-\t.set_hw_reg = rtl92cu_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c:101:\t.update_rate_tbl = rtl92cu_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c-102-\t.fill_tx_desc = rtl92cu_tx_fill_desc,\n"
} |
| 11/2 | 2026/08/03 15:36 | llm | patch-evaluator |
0mModel:gemini-3.1-pro-preview Args: null Results: null Tokens: input: 7680 output: 38 thoughts: 109 Thoughts: **Analyzing the Rate Table Update in the RTL8192CU USB Driver** Okay, so I'm looking at this change, and it seems the core of it revolves around how the rate table is being updated within the `rtl8192cu_hal_ops` structure, specifically assigned to `.update_rate_tbl`. This is, fundamentally, a functional change within the USB driver for the RTL8192CU. The entry point seems to be `rtl92cu_update_hal_rate_tbl`. But hold on... that function is, in turn, called by `update_rate_tbl` which is defined in `rtl_hal_ops`. Alright, so I need to understand the full call chain and where `update_rate_tbl` itself is being invoked. Best to trace back to where *that* function is called to get the full picture. |
| 12/2 | 2026/08/03 15:37 | tool | grepper |
0mArgs:{
"Expression": "update_rate_tbl",
"PathPrefix": "drivers/net/wireless/realtek/rtlwifi/"
}Results: {
"Output": "drivers/net/wireless/realtek/rtlwifi/base.c=2434=int rtl_send_smps_action(struct ieee80211_hw *hw,\n--\ndrivers/net/wireless/realtek/rtlwifi/base.c-2470-\t\tsta_entry-\u003emimo_ps = smps;\ndrivers/net/wireless/realtek/rtlwifi/base.c:2471:\t\t/* rtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw, sta, 0, true); */\ndrivers/net/wireless/realtek/rtlwifi/base.c-2472-\n--\ndrivers/net/wireless/realtek/rtlwifi/core.c=857=static int rtl_op_sta_add(struct ieee80211_hw *hw,\n--\ndrivers/net/wireless/realtek/rtlwifi/core.c-896-\t\t\t\"Add sta addr is %pM\\n\", sta-\u003eaddr);\ndrivers/net/wireless/realtek/rtlwifi/core.c:897:\t\trtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw, sta, 0, true);\ndrivers/net/wireless/realtek/rtlwifi/core.c-898-\t}\n--\ndrivers/net/wireless/realtek/rtlwifi/core.c=1008=static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,\n--\ndrivers/net/wireless/realtek/rtlwifi/core.c-1125-\t\t\tif (vif-\u003etype == NL80211_IFTYPE_STATION)\ndrivers/net/wireless/realtek/rtlwifi/core.c:1126:\t\t\t\trtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw, sta, 0,\ndrivers/net/wireless/realtek/rtlwifi/core.c-1127-\t\t\t\t\t\t\t\t true);\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8188ee/dm.c=1131=static void rtl88e_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8188ee/dm.c-1194-\t\t\tif (sta)\ndrivers/net/wireless/realtek/rtlwifi/rtl8188ee/dm.c:1195:\t\t\t\trtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw, sta,\ndrivers/net/wireless/realtek/rtlwifi/rtl8188ee/dm.c-1196-\t\t\t\t\t\t\tp_ra-\u003eratr_state,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c=193=static const struct rtl_hal_ops rtl8188ee_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c-211-\t.set_hw_reg = rtl88ee_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c:212:\t.update_rate_tbl = rtl88ee_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c-213-\t.fill_tx_desc = rtl88ee_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c=170=static const struct rtl_hal_ops rtl8192ce_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c-188-\t.set_hw_reg = rtl92ce_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c:189:\t.update_rate_tbl = rtl92ce_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.c-190-\t.fill_tx_desc = rtl92ce_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c=84=static const struct rtl_hal_ops rtl8192cu_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c-100-\t.set_hw_reg = rtl92cu_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c:101:\t.update_rate_tbl = rtl92cu_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c-102-\t.fill_tx_desc = rtl92cu_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c=187=static const struct rtl_hal_ops rtl8192de_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c-205-\t.set_hw_reg = rtl92de_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c:206:\t.update_rate_tbl = rtl92d_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c-207-\t.fill_tx_desc = rtl92de_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c=185=static const struct rtl_hal_ops rtl8192du_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c-201-\t.set_hw_reg = rtl92du_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c:202:\t.update_rate_tbl = rtl92d_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c-203-\t.fill_tx_desc = rtl92du_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c=856=static void rtl92ee_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c-890-\t\t\tif (sta)\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c:891:\t\t\t\trtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw, sta,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c-892-\t\t\t\t\t\t\t p_ra-\u003eratr_state,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c=179=static const struct rtl_hal_ops rtl8192ee_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c-197-\t.set_hw_reg = rtl92ee_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c:198:\t.update_rate_tbl = rtl92ee_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c-199-\t.rx_desc_buff_remained_cnt = rtl92ee_rx_desc_buff_remained_cnt,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192se/dm.c=201=static void _rtl92s_dm_refresh_rateadaptive_mask(struct ieee80211_hw *hw)\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192se/dm.c-274-\t\t\tif (sta)\ndrivers/net/wireless/realtek/rtlwifi/rtl8192se/dm.c:275:\t\t\t\trtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw, sta,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192se/dm.c-276-\t\t\t\t\t\t\t ra-\u003eratr_state,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c=224=static const struct rtl_hal_ops rtl8192se_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c-242-\t.set_hw_reg = rtl92se_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c:243:\t.update_rate_tbl = rtl92se_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.c-244-\t.fill_tx_desc = rtl92se_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c=554=static void rtl8723e_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c-626-\t\t\tif (sta)\ndrivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c:627:\t\t\t\trtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw, sta,\ndrivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c-628-\t\t\t\t\t\t\t p_ra-\u003eratr_state,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c=186=static const struct rtl_hal_ops rtl8723e_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c-204-\t.set_hw_reg = rtl8723e_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c:205:\t.update_rate_tbl = rtl8723e_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c-206-\t.fill_tx_desc = rtl8723e_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8723be/dm.c=902=static void rtl8723be_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8723be/dm.c-960-\t\t\tif (sta)\ndrivers/net/wireless/realtek/rtlwifi/rtl8723be/dm.c:961:\t\t\t\trtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw, sta,\ndrivers/net/wireless/realtek/rtlwifi/rtl8723be/dm.c-962-\t\t\t\t\t\t\t p_ra-\u003eratr_state,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c=190=static const struct rtl_hal_ops rtl8723be_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c-208-\t.set_hw_reg = rtl8723be_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c:209:\t.update_rate_tbl = rtl8723be_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c-210-\t.fill_tx_desc = rtl8723be_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c=2342=static void rtl8821ae_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c-2400-\t\t\tif (sta)\ndrivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c:2401:\t\t\t\trtlpriv-\u003ecfg-\u003eops-\u003eupdate_rate_tbl(hw,\ndrivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c-2402-\t\t\t\t\t\tsta, p_ra-\u003eratr_state, true);\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c=232=static const struct rtl_hal_ops rtl8821ae_hal_ops = {\n--\ndrivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c-250-\t.set_hw_reg = rtl8821ae_set_hw_reg,\ndrivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c:251:\t.update_rate_tbl = rtl8821ae_update_hal_rate_tbl,\ndrivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c-252-\t.fill_tx_desc = rtl8821ae_tx_fill_desc,\n--\ndrivers/net/wireless/realtek/rtlwifi/wifi.h=2160=struct rtl_hal_ops {\n--\ndrivers/net/wireless/realtek/rtlwifi/wifi.h-2186-\tvoid (*set_hw_reg)(struct ieee80211_hw *hw, u8 variable, u8 *val);\ndrivers/net/wireless/realtek/rtlwifi/wifi.h:2187:\tvoid (*update_rate_tbl)(struct ieee80211_hw *hw,\ndrivers/net/wireless/realtek/rtlwifi/wifi.h-2188-\t\t\t\tstruct ieee80211_sta *sta, u8 rssi_leve,\n"
} |
| 13/2 | 2026/08/03 15:37 | llm | patch-evaluator |
0mModel:gemini-3.1-pro-preview Args: null Results: null Tokens: input: 11815 output: 141 thoughts: 656 Thoughts: **Analysis of the `rtl92cu_update_hal_rate_tbl` Function and its Fuzzing Potential** Okay, let's break this down. First, I've identified the target function as `rtl92cu_update_hal_rate_tbl`. I've confirmed it's reachable from several mac80211 callbacks – `rtl_op_sta_add`, `rtl_op_bss_info_changed` – and other paths like `rtl_send_smps_action` and `rtl88e_dm_refresh_rate_adaptive_mask`. This confirms its relevance. The driver in question is the `RTL8192CU`, which, from my experience, is a USB driver. I initially considered the necessary configs being `RTL8192CU`, `MAC80211`, and `USB`, but realized `RTL8192CU` inherently depends on both `USB` and `MAC80211`. Since `RTL8192CU` is tristate, I confirmed that it is the only necessary config. The main function to focus on is `rtl92cu_update_hal_rate_tbl`, but I note that `rtl92cu_update_hal_rate_mask` is static; therefore, it is likely inlined. I verified that `rtl92cu_update_hal_rate_tbl` is indeed exported and non-static: `void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u8 rssi_level, bool update_bw)`. I've also double-checked the configs. `RTL8192CU` alone is sufficient, as `RTLWIFI` and `RTL8192C_COMMON` are selected by `RTL8192CU`. Reviewing the patch, it seems the core change removes `mimo_ps` and specifically the `if (mimo_ps == IEEE80211_SMPS_STATIC)` branch. This is a clear functional change, making it prime for fuzzing. Given the USB nature of the driver, I can easily target this with dummy_hcd or raw gadget setups. Considering the functional change and the driver's USB aspect, `WorthFuzzing` is definitely true. So, to summarize: * Configs: `RTL8192CU` * Focus Symbols: `rtl92cu_update_hal_rate_tbl` |
| 14/2 | 2026/08/03 15:37 | tool | set-results |
0mArgs:{
"EnableConfigs": [
"RTL8192CU"
],
"FocusSymbols": [
"rtl92cu_update_hal_rate_tbl"
],
"Reasoning": "The patch modifies the rate mask update logic in the Realtek RTL8192CU USB Wi-Fi driver. It removes the SMPS static condition and simplifies the rate mask calculation. This is a functional change in a USB driver, which can be fuzzed using USB emulation (dummy_hcd/raw gadget). The entry point for this logic is `rtl92cu_update_hal_rate_tbl`.",
"WorthFuzzing": true
}Results: {
"EnableConfigs": [
"RTL8192CU"
],
"FocusSymbols": [
"rtl92cu_update_hal_rate_tbl"
],
"Reasoning": "The patch modifies the rate mask update logic in the Realtek RTL8192CU USB Wi-Fi driver. It removes the SMPS static condition and simplifies the rate mask calculation. This is a functional change in a USB driver, which can be fuzzed using USB emulation (dummy_hcd/raw gadget). The entry point for this logic is `rtl92cu_update_hal_rate_tbl`.",
"WorthFuzzing": true
} |
| Total Calls | Total Tokens | Avg Tokens | Total Duration (Seconds) | Avg Duration (Seconds) |
|---|
| Total Calls | Total Duration (Seconds) | Avg Duration (Seconds) |
|---|