AI Trajectory

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "KMSANReasoning": "",
  "NeedsKMSAN": false,
  "Reasoning": "The changes are restricted to drivers/net/wireless/mediatek/mt76/mt7921/pci.c, modifying PM resume and restore handling for MediaTek MT7921/MT7922 PCIe wireless network cards. This hardware is not emulated in standard QEMU or GCE virtualized environments, making the driver and its PM callbacks structurally unreachable for syzkaller.",
  "WorthFuzzing": false
}

null

{
  "PatchDiff": "commit db28dac9b3789d3ede5eac214c55f01186bc9496\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Sat Oct 24 17:32:36 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c\nindex f87c44f2a8b6c..dce88fcc7b921 100644\n--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c\n+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c\n@@ -549,7 +549,7 @@ static int mt7921_pci_suspend(struct device *device)\n \treturn err;\n }\n \n-static int mt7921_pci_resume(struct device *device)\n+static int _mt7921_pci_resume(struct device *device, bool restore)\n {\n \tstruct pci_dev *pdev = to_pci_dev(device);\n \tstruct mt76_dev *mdev = pci_get_drvdata(pdev);\n@@ -589,11 +589,22 @@ static int mt7921_pci_resume(struct device *device)\n \tnapi_schedule(\u0026mdev-\u003etx_napi);\n \tlocal_bh_enable();\n \n+\tif (restore)\n+\t\tgoto failed;\n+\n \t/* restore previous ds setting */\n \tif (!pm-\u003eds_enable)\n \t\tmt76_connac_mcu_set_deep_sleep(\u0026dev-\u003emt76, false);\n \n \terr = mt76_connac_mcu_set_hif_suspend(mdev, false, true);\n+\tif (err == -ETIMEDOUT) {\n+\t\t/* Firmware may not reply after D3; the reset recovers it. */\n+\t\tdev_warn(dev-\u003emt76.dev,\n+\t\t\t \"HIF resume timed out, resetting\\n\");\n+\t\tpm-\u003esuspended = false;\n+\t\tmt792x_reset(\u0026dev-\u003emt76);\n+\t\treturn 0;\n+\t}\n \tif (err \u003c 0)\n \t\tgoto failed;\n \n@@ -602,7 +613,7 @@ static int mt7921_pci_resume(struct device *device)\n failed:\n \tpm-\u003esuspended = false;\n \n-\tif (err \u003c 0)\n+\tif (err \u003c 0 || restore)\n \t\tmt792x_reset(\u0026dev-\u003emt76);\n \n \treturn err;\n@@ -715,7 +726,24 @@ static void mt7921_pci_shutdown(struct pci_dev *pdev)\n \tmt7921_pci_remove(pdev);\n }\n \n-static DEFINE_SIMPLE_DEV_PM_OPS(mt7921_pm_ops, mt7921_pci_suspend, mt7921_pci_resume);\n+static int mt7921_pci_resume(struct device *device)\n+{\n+\treturn _mt7921_pci_resume(device, false);\n+}\n+\n+static int mt7921_pci_restore(struct device *device)\n+{\n+\treturn _mt7921_pci_resume(device, true);\n+}\n+\n+static const struct dev_pm_ops mt7921_pm_ops = {\n+\t.suspend = pm_sleep_ptr(mt7921_pci_suspend),\n+\t.resume = pm_sleep_ptr(mt7921_pci_resume),\n+\t.freeze = pm_sleep_ptr(mt7921_pci_suspend),\n+\t.thaw = pm_sleep_ptr(mt7921_pci_resume),\n+\t.poweroff = pm_sleep_ptr(mt7921_pci_suspend),\n+\t.restore = pm_sleep_ptr(mt7921_pci_restore),\n+};\n \n static struct pci_driver mt7921_pci_driver = {\n \t.name\t\t= KBUILD_MODNAME,\n"
}

core

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The changes are restricted to drivers/net/wireless/mediatek/mt76/mt7921/pci.c, modifying PM resume and restore handling for MediaTek MT7921/MT7922 PCIe wireless network cards. This hardware is not emulated in standard QEMU or GCE virtualized environments, making the driver and its PM callbacks structurally unreachable for syzkaller.",
  "WorthFuzzing": false
}

You are an expert Linux kernel maintainer and security engineer.
Your job is to review a provided patch series and evaluate whether it warrants fuzzing with syzkaller.

IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in
your workspace. Do NOT rely on internal assumptions. You must actively use your code access
tools to inspect the actual source code, callers, and surrounding context.

================================================================================
1. CORE TRIAGE PHILOSOPHY
================================================================================
The goal of patch fuzzing is to discover crashes, regressions, exposed latent bugs,
and newly triggered assertions introduced by the patch series.

- REACHABILITY IS THE PRIMARY GATE:
  Fuzzing can only discover bugs in code that can actually execute in standard virtualized
  environments (GCE or QEMU, utilizing software-emulated devices like USB gadgets, netdev, tun/tap).
  If the modified code is structurally unreachable (see Section 2), it MUST NOT be fuzzed,
  regardless of whether it adds assertions or complex logic.

- DO NOT BLINDLY TRUST "NO FUNCTIONAL CHANGE" (NFCI) OR "REFACTORING" CLAIMS:
  Patch authors routinely label changes as "cleanups", "refactorings", or state
  "No functional change intended". Do NOT take these claims at face value.
  Code refactorings that rearrange logic, introduce helper functions, or alter state management
  in core subsystems frequently introduce subtle semantic shifts or uncover latent kernel bugs.
  If reachable executable code is modified or refactored, it MUST be fuzzed.

- NEW OR MODIFIED ASSERTIONS IN REACHABLE CODE MUST BE FUZZED:
  When a patch introduces or modifies runtime checks or assertions (e.g., WARN_ON*, VM_WARN_ON*,
  BUG_ON*, lockdep_assert*) in reachable code paths, it enforces new or stricter invariants.
  Even if the author believes the invariant always holds, fuzzing is essential to verify whether
  an unusual sequence of operations can violate it.

================================================================================
2. WHEN TO RETURN WorthFuzzing=false (NEGATIVE CRITERIA)
================================================================================
Return WorthFuzzing=false ONLY IF all modified code falls strictly into one or more of these categories:

- Non-kernel and non-executable changes:
  * Modifications to Documentation/, comments, or spelling fixes.
  * User-space directories, self-tests, samples, or scripts (e.g., tools/, samples/, scripts/, usr/)
    that do not affect the compiled kernel image (vmlinux) or kernel modules.
  * Purely decorative logging (e.g., message strings in pr_err, printk, dev_info) or tracepoints
    that do not alter control flow or data structures.
  * Build system or Kconfig changes that do not alter compiled C logic.
- Structurally unreachable hardware:
  * Vendor-specific PCIe switches, SmartNICs, or GPU drivers (e.g., mlxsw, pds_core, qed,
    ionic, amdgpu) requiring physical ASIC/PCIe cards not emulated in standard QEMU.
- Unreachable execution paths:
  * Driver teardown callbacks (.remove, .shutdown, pci_unregister_driver) executed only during
    physical PCI hot-unplug or manual sysfs driver unbinding.
  * Code paths exclusive to architectures other than the target architecture.

================================================================================
3. WHEN TO RETURN WorthFuzzing=true (POSITIVE CRITERIA)
================================================================================
Return WorthFuzzing=true whenever the patch touches reachable executable code, including:
- Core Subsystems:
  * Any logic modifications in memory management (mm/), synchronization/locking (kernel/locking/),
    BPF, scheduler, core networking, VFS, or syscall handling.
- Refactorings and Code Cleanups:
  * Any restructuring of reachable data structures, helper abstractions, or algorithm flows.
- Runtime Assertions and Defensive Checks:
  * Any introduction or alteration of assertions (WARN_ON*, VM_WARN_ON*, BUG_ON*, etc.) in reachable paths.
- Reachable Drivers and Protocols:
  * Drivers accessible via virtual buses (virtio, USB gadget, loopback, netlink, binder, sockets, etc.).

================================================================================
4. EXTRACTING FocusSymbols (PREVENTING DILUTION)
================================================================================
When WorthFuzzing=true, you must extract specific kernel functions into FocusSymbols to guide the fuzzer:

- AVOID UBIQUITOUS LIFECYCLE HOT-PATHS:
  Do NOT list generic, ubiquitous functions called by almost every program in the corpus
  (including, but not limited to: general memory allocators and deallocators, page fault
  and trap handlers, or core synchronization primitives; this is not an exhaustive list).
  Listing ubiquitous functions causes the fuzzer to classify thousands of unrelated tests as "focused",
  which severely dilutes fuzzing effort away from the actual changes.

- TARGET SPECIFIC FEATURE LOGIC AND ENTRYPOINTS:
  List functions that specifically implement the logic being added or altered, or direct API entrypoints
  for the subsystem feature under review.

- HANDLING STATIC INLINE FUNCTIONS IN HEADERS (.h):
  Compiler-inlined static functions (such as static inlines in mm/*.h or include/linux/*.h) lack
  distinct symbol addresses in vmlinux and cannot be targeted directly by symbol coverage filters.
  If the changes are primarily in static inline helpers, identify non-static, feature-specific caller
  functions in .c files that exercise them (avoiding ubiquitous lifecycle wrappers).

================================================================================
5. IDENTIFYING EnableConfigs
================================================================================
Identify any specific CONFIG_ options required to properly compile and reach the modified code:
- Inspect Kconfig files and #ifdef guards; do not make assumptions.
- Check "depends on" lines in Kconfig to include any non-standard parent subsystem configs needed.
- Strip any 'CONFIG_' prefix (e.g., return "NET_IPV4" instead of "CONFIG_NET_IPV4").
Prefer calling several tools at the same time to save round-trips.


Use set-results tool to provide results of the analysis.
It must be called exactly once before the final reply.
Ignore results of this tool.

Target architecture: amd64

For your convenience, here is the diff of the changes:
commit db28dac9b3789d3ede5eac214c55f01186bc9496
Author: syz-cluster <triage@syzkaller.com>
Date:   Sat Oct 24 17:32:36 2026 +0000

    syz-cluster: applied patch under review

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
index f87c44f2a8b6c..dce88fcc7b921 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -549,7 +549,7 @@ static int mt7921_pci_suspend(struct device *device)
 	return err;
 }
 
-static int mt7921_pci_resume(struct device *device)
+static int _mt7921_pci_resume(struct device *device, bool restore)
 {
 	struct pci_dev *pdev = to_pci_dev(device);
 	struct mt76_dev *mdev = pci_get_drvdata(pdev);
@@ -589,11 +589,22 @@ static int mt7921_pci_resume(struct device *device)
 	napi_schedule(&mdev->tx_napi);
 	local_bh_enable();
 
+	if (restore)
+		goto failed;
+
 	/* restore previous ds setting */
 	if (!pm->ds_enable)
 		mt76_connac_mcu_set_deep_sleep(&dev->mt76, false);
 
 	err = mt76_connac_mcu_set_hif_suspend(mdev, false, true);
+	if (err == -ETIMEDOUT) {
+		/* Firmware may not reply after D3; the reset recovers it. */
+		dev_warn(dev->mt76.dev,
+			 "HIF resume timed out, resetting\n");
+		pm->suspended = false;
+		mt792x_reset(&dev->mt76);
+		return 0;
+	}
 	if (err < 0)
 		goto failed;
 
@@ -602,7 +613,7 @@ static int mt7921_pci_resume(struct device *device)
 failed:
 	pm->suspended = false;
 
-	if (err < 0)
+	if (err < 0 || restore)
 		mt792x_reset(&dev->mt76);
 
 	return err;
@@ -715,7 +726,24 @@ static void mt7921_pci_shutdown(struct pci_dev *pdev)
 	mt7921_pci_remove(pdev);
 }
 
-static DEFINE_SIMPLE_DEV_PM_OPS(mt7921_pm_ops, mt7921_pci_suspend, mt7921_pci_resume);
+static int mt7921_pci_resume(struct device *device)
+{
+	return _mt7921_pci_resume(device, false);
+}
+
+static int mt7921_pci_restore(struct device *device)
+{
+	return _mt7921_pci_resume(device, true);
+}
+
+static const struct dev_pm_ops mt7921_pm_ops = {
+	.suspend = pm_sleep_ptr(mt7921_pci_suspend),
+	.resume = pm_sleep_ptr(mt7921_pci_resume),
+	.freeze = pm_sleep_ptr(mt7921_pci_suspend),
+	.thaw = pm_sleep_ptr(mt7921_pci_resume),
+	.poweroff = pm_sleep_ptr(mt7921_pci_suspend),
+	.restore = pm_sleep_ptr(mt7921_pci_restore),
+};
 
 static struct pci_driver mt7921_pci_driver = {
 	.name		= KBUILD_MODNAME,

gemini-3.8-flash

null

null

							input: 3840
							output: 50
							thoughts: 444
						

**Analyzing the Patch for Fuzzing Potential**

Okay, let's break this down. The first thing I see is a patch touching `drivers/net/wireless/mediatek/mt76/mt7921/pci.c`. My initial thought is to assess its suitability for fuzzing with syzkaller. The changes involve modifying `mt7921_pci_resume`, adding a `restore` callback, and handling a HIF resume timeout. Seems like standard driver stuff, but I need to quickly establish if this is even fuzzable.

Hold on... I need to verify if this MT7921 PCI driver is actually *reachable* in a standard virtualized environment like QEMU or GCE. I know from past experience with fuzzing that structurally unreachable hardware is a common roadblock. Checking the instructions, I recall that vendor-specific PCIe switches, SmartNICs, and GPU drivers often require physical hardware and aren't typically emulated.

Alright, what exactly *is* MT7921? Ah, it's a MediaTek Wi-Fi 6 (802.11ax) PCI wireless network card. Is QEMU emulating this? Likely not, and the file path itself, `drivers/net/wireless/mediatek/mt76/mt7921/pci.c`, clearly indicates it's a PCI driver designed for physical MediaTek PCIe WiFi hardware. This isn't mac80211_hwsim territory. No virtual bus or emulation for mt7921 is available, so this will require physical hardware. Time to consult `grepper` or check the file context for a deeper dive.

{
  "Expression": "mt7921_pci_probe",
  "PathPrefixes": [
    "drivers/net/wireless/mediatek/mt76/mt7921/"
  ]
}

{
  "Output": "drivers/net/wireless/mediatek/mt76/mt7921/pci.c=171=static int mt7921_dma_init(struct mt792x_dev *dev)\n--\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-258-\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c:259:static int mt7921_pci_probe(struct pci_dev *pdev,\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-260-\t\t\t    const struct pci_device_id *id)\n--\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c=748=static struct pci_driver mt7921_pci_driver = {\n--\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-750-\t.id_table\t= mt7921_pci_device_table,\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c:751:\t.probe\t\t= mt7921_pci_probe,\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-752-\t.remove\t\t= mt7921_pci_remove,\n"
}

gemini-3.8-flash

null

null

							input: 5071
							output: 52
							thoughts: 44
						

Okay, let's dive into this. Here's how I'd approach this task, as if these were my internal thoughts:

**Analyzing the mt7921 PCI Device Table**

Right, time to get my hands dirty. I'm going to jump into the `mt7921_pci_device_table`. I know this is located in the `drivers/net/wireless/mediatek/mt76/mt7921/pci.c` file. This table, if I recall correctly, is the crucial structure that maps PCI device IDs to the driver that supports them. It's essentially the gatekeeper, dictating which hardware the mt7921 driver will attempt to claim. I'll need to scrutinize this table closely to understand the scope of supported devices. I'll be looking for things like:

*   **Specific Device IDs:** I'll be checking the known PCI IDs for different revisions and vendor combinations. Are there any omissions? Any recent additions?
*   **Driver Specific Data:** Some of these entries may contain extra, driver-specific data. I'll need to pay attention to that.
*   **Device Variants:** The table might handle different versions of the MT7921 chip, perhaps for different market segments or form factors. I'll have to verify those details, paying attention to the IDs to detect variants.
*   **Any Quirks:** Sometimes, there are special handling requirements. I'll need to watch for any unusual entries, potentially using a special struct for certain devices.

Once I've got a grasp of what this table represents, I'll have a good handle on how the driver handles device enumeration and how it decides which devices to support. This information will also be useful for debugging or, potentially, for making my own custom modifications down the road, if required.

{
  "Expression": "mt7921_pci_device_table",
  "PathPrefixes": [
    "drivers/net/wireless/mediatek/mt76/mt7921/"
  ]
}

{
  "Output": "drivers/net/wireless/mediatek/mt76/mt7921/pci.c-16-\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c:17:static const struct pci_device_id mt7921_pci_device_table[] = {\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-18-\t{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961),\n--\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c=748=static struct pci_driver mt7921_pci_driver = {\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-749-\t.name\t\t= KBUILD_MODNAME,\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c:750:\t.id_table\t= mt7921_pci_device_table,\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-751-\t.probe\t\t= mt7921_pci_probe,\n--\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c=758=module_pci_driver(mt7921_pci_driver);\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-759-\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c:760:MODULE_DEVICE_TABLE(pci, mt7921_pci_device_table);\ndrivers/net/wireless/mediatek/mt76/mt7921/pci.c-761-MODULE_FIRMWARE(MT7920_FIRMWARE_WM);\n"
}

gemini-3.8-flash

null

null

							input: 6064
							output: 50
							thoughts: 17
						

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

**Navigating `pci.c`**

Okay, so I need to zero in on a specific area within `pci.c`. The fact that I'm thinking about lines around line 17 suggests that I'm likely debugging something or trying to understand a particular piece of functionality that's happening there. I probably have a hunch about what's going on, or at least a specific behavior I'm interested in tracing. I need to refresh my memory or investigate a potential issue in the vicinity of line 17 of `pci.c`. I need to figure out what's happening.

{
  "File": "drivers/net/wireless/mediatek/mt76/mt7921/pci.c",
  "FirstLine": 15,
  "LineCount": 25
}

{
  "Contents": "  15:\t#include \"regd.h\"\n  16:\t\n  17:\tstatic const struct pci_device_id mt7921_pci_device_table[] = {\n  18:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961),\n  19:\t\t\t.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },\n  20:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7922),\n  21:\t\t\t.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },\n  22:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_ITTIM, 0x7922),\n  23:\t\t\t.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },\n  24:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0608),\n  25:\t\t\t.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },\n  26:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0616),\n  27:\t\t\t.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },\n  28:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7920),\n  29:\t\t\t.driver_data = (kernel_ulong_t)MT7920_FIRMWARE_WM },\n  30:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7902),\n  31:\t\t\t.driver_data = (kernel_ulong_t)MT7902_FIRMWARE_WM },\n  32:\t\t{ },\n  33:\t};\n  34:\t\n  35:\tstatic bool mt7921_disable_aspm;\n  36:\tmodule_param_named(disable_aspm, mt7921_disable_aspm, bool, 0644);\n  37:\tMODULE_PARM_DESC(disable_aspm, \"disable PCI ASPM support\");\n  38:\t\n  39:\tstatic int mt7921e_init_reset(struct mt792x_dev *dev)\n"
}

gemini-3.8-flash

null

null

							input: 6886
							output: 117
							thoughts: 1211
						

**Analysis of the Target Code's Reachability in a Fuzzing Context**

Okay, let's break this down. First, I see the PCI IDs: `PCI_VENDOR_ID_MEDIATEK` with several different device IDs (0x7961, 0x7922, 0x0608, 0x0616, 0x7920, 0x7902). This immediately tells me we're dealing with MediaTek hardware. Specifically, the mention of `mt7921` strongly suggests a MediaTek MT7921 wireless card driver. The patch focuses on power management callbacks: `_mt7921_pci_resume`, `mt7921_pci_resume`, `mt7921_pci_restore`, and the `mt7921_pm_ops` structure. These are all PM callbacks for suspend/resume/etc.

Now, my experience tells me I need to consider whether standard virtualization setups are suitable. Section 2 of the provided instructions is important. It highlights issues like "structurally unreachable hardware," specifically mentioning vendor-specific PCIe devices and their associated drivers. Let's see... is the MT7921 PCIe card emulated in standard QEMU or GCE? No, it's not. I know QEMU emulates common network devices like e1000, rtl8139, and virtio-net, but not wireless PCIe cards. Sometimes, mac80211_hwsim or USB wifi dongles might be emulated via raw gadget/vhci-hcd, but the `mt7921` here explicitly resides within `mt7921/pci.c`, which is a PCI driver. I remember there's also `mt7921u` for USB (in `drivers/net/wireless/mediatek/mt76/mt7921/usb.c`), but this patch is confined to the `pci.c` file and, crucially, manipulates those PCI-specific PM callbacks.

So, this modified code is part of a vendor-specific PCIe driver *requiring* physical MediaTek Wi-Fi PCIe hardware. It won't be reachable in the standard virtualized environments. Without that physical device (or a good emulation), `mt7921_pci_probe()` won't be called. The device won't exist within the VM, and the power management callbacks simply cannot be executed.

Let's do a quick double-check for thoroughness:

1.  Target architecture: amd64 – good, known architecture.
2.  File changed: `drivers/net/wireless/mediatek/mt76/mt7921/pci.c` – Confirmed.
3.  Functions changed: `_mt7921_pci_resume`, `mt7921_pci_resume`, `mt7921_pci_restore`, `mt7921_pm_ops` – Verified.
4.  Other files modified? - Checked: only `pci.c` is touched.
5.  Reachability: It's all about that physical PCIe device and that this is PM logic. The MT7921 PCIe driver targets real MediaTek PCIe Wi-Fi chipsets (MT7921, MT7922, etc.).

**Conclusion:**

The patch modifies power management resume/restore logic within a driver for MediaTek's MT7921/MT7922 PCIe wireless network devices. Because this specific PCIe hardware isn't emulated in QEMU or GCE, the driver's probe and subsequent power management callbacks are unreachable during syzkaller fuzzing.

Therefore:

*   WorthFuzzing: false
*   FocusSymbols: \[ ]
*   EnableConfigs: \[ ]
*   Reasoning: The patch modifies device-specific PCIe driver PM callbacks for MediaTek hardware not emulated in standard fuzzing environments.

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The changes are restricted to drivers/net/wireless/mediatek/mt76/mt7921/pci.c, modifying PM resume and restore handling for MediaTek MT7921/MT7922 PCIe wireless network cards. This hardware is not emulated in standard QEMU or GCE virtualized environments, making the driver and its PM callbacks structurally unreachable for syzkaller.",
  "WorthFuzzing": false
}

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The changes are restricted to drivers/net/wireless/mediatek/mt76/mt7921/pci.c, modifying PM resume and restore handling for MediaTek MT7921/MT7922 PCIe wireless network cards. This hardware is not emulated in standard QEMU or GCE virtualized environments, making the driver and its PM callbacks structurally unreachable for syzkaller.",
  "WorthFuzzing": false
}

{
  "WorthFuzzing": false
}

null