AI Trajectory

null

{
  "EnableConfigs": [
    "DRM_CIRRUS_QEMU"
  ],
  "FocusSymbols": [
    "cirrus_pci_probe"
  ],
  "KMSANReasoning": "The patch adds a validation check for the PCI resource length in `cirrus_pci_probe`. It ensures that the VRAM size matches `CIRRUS_VRAM_SIZE` before mapping it with `devm_ioremap`. This change is intended to prevent incorrect MMIO mapping sizes or potential out-of-bounds accesses (which would be caught by KASAN or standard memory management checks). It does not introduce any new data structures, copy data to user space, or involve uninitialized memory reads. Therefore, a dedicated KMSAN fuzzing session is not required.",
  "NeedsKMSAN": false,
  "Reasoning": "The patch adds a functional check to the PCI probe function of the QEMU Cirrus VGA driver. This driver is specifically designed for QEMU emulated devices and its probe function is reachable and testable in virtualized environments.",
  "WorthFuzzing": true
}

null

{
  "PatchDiff": "commit 9051851b9583d8de29b9e1ee834a6715d68091c5\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Tue Aug 25 07:52:31 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/drivers/gpu/drm/tiny/cirrus-qemu.c b/drivers/gpu/drm/tiny/cirrus-qemu.c\nindex 075221b431d37..70c995025f508 100644\n--- a/drivers/gpu/drm/tiny/cirrus-qemu.c\n+++ b/drivers/gpu/drm/tiny/cirrus-qemu.c\n@@ -602,6 +602,9 @@ static int cirrus_pci_probe(struct pci_dev *pdev,\n \n \tdev = \u0026cirrus-\u003edev;\n \n+\tif (pci_resource_len(pdev, 0) != CIRRUS_VRAM_SIZE)\n+\t\treturn -ENODEV;\n+\n \tcirrus-\u003evram = devm_ioremap(\u0026pdev-\u003edev, pci_resource_start(pdev, 0),\n \t\t\t\t    pci_resource_len(pdev, 0));\n \tif (cirrus-\u003evram == NULL)\n"
}

best-expensive

null

{
  "EnableConfigs": [
    "DRM_CIRRUS_QEMU"
  ],
  "FocusSymbols": [
    "cirrus_pci_probe"
  ],
  "Reasoning": "The patch adds a functional check to the PCI probe function of the QEMU Cirrus VGA driver. This driver is specifically designed for QEMU emulated devices and its probe function is reachable and testable in virtualized environments.",
  "WorthFuzzing": true
}

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.

For your convenience, here is the diff of the changes:
commit 9051851b9583d8de29b9e1ee834a6715d68091c5
Author: syz-cluster <triage@syzkaller.com>
Date:   Tue Aug 25 07:52:31 2026 +0000

    syz-cluster: applied patch under review

diff --git a/drivers/gpu/drm/tiny/cirrus-qemu.c b/drivers/gpu/drm/tiny/cirrus-qemu.c
index 075221b431d37..70c995025f508 100644
--- a/drivers/gpu/drm/tiny/cirrus-qemu.c
+++ b/drivers/gpu/drm/tiny/cirrus-qemu.c
@@ -602,6 +602,9 @@ static int cirrus_pci_probe(struct pci_dev *pdev,
 
 	dev = &cirrus->dev;
 
+	if (pci_resource_len(pdev, 0) != CIRRUS_VRAM_SIZE)
+		return -ENODEV;
+
 	cirrus->vram = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0),
 				    pci_resource_len(pdev, 0));
 	if (cirrus->vram == NULL)

gemini-3.1-pro-preview

null

null

							input: 2045
							output: 42
							thoughts: 484
						

**Fuzzing Feasibility Analysis: Cirrus VGA Driver Patch**

Okay, let's break this down. I've got a patch in `drivers/gpu/drm/tiny/cirrus-qemu.c` that modifies the `cirrus_pci_probe` function. The code now checks if the PCI resource length, specifically `pci_resource_len(pdev, 0)`, matches `CIRRUS_VRAM_SIZE`. If they don't match, it's an `-ENODEV` return.

First thought: is this even fuzzable? It's a PCI driver for the Cirrus Logic VGA in QEMU. Yes, QEMU has a Cirrus VGA device, so the driver is *reachable*. But, wait a minute, it's a PCI probe function, and the prompt mentioned something about teardown callbacks. I need to be sure. My initial instinct is that the probe function could be fuzzed.

A quick review of the prompt guidelines, specifically: "Return WorthFuzzing=false if the patch only contains: - 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." This *isn't* a remove/shutdown callback; it's the *probe* function.

Okay, so the probe function *should* be fuzzable. Now, how does syzkaller handle that? Ah, yes, syzkaller leverages `syz_pci_device` which I need to remember is not a *pseudo* syscall, but part of the PCI fuzzing. It can fuzz PCI probe by using the `syz_pci_device` pseudo-syscall, or by injecting PCI devices via sysfs/hotplug. That makes sense.

Let me look at the patch again. It's a very straightforward check in the `cirrus_pci_probe` function. The core of this is the PCI resource length. It looks like it's guarding against a misconfiguration of the VRAM size.

So, in conclusion, this patch is *definitely* worth fuzzing. It introduces a check in the probe function. Given that Syzkaller can fuzz PCI probes using `syz_pci_device` and hotplug/sysfs injection, this is something syzkaller could definitely hit.

{
  "Expression": "cirrus_pci_probe",
  "PathPrefix": "drivers/gpu/drm/tiny/cirrus-qemu.c"
}

{
  "Output": "drivers/gpu/drm/tiny/cirrus-qemu.c=565=static const struct drm_driver cirrus_driver = {\n--\ndrivers/gpu/drm/tiny/cirrus-qemu.c-577-\ndrivers/gpu/drm/tiny/cirrus-qemu.c:578:static int cirrus_pci_probe(struct pci_dev *pdev,\ndrivers/gpu/drm/tiny/cirrus-qemu.c-579-\t\t\t    const struct pci_device_id *ent)\n--\ndrivers/gpu/drm/tiny/cirrus-qemu.c=666=static struct pci_driver cirrus_pci_driver = {\n--\ndrivers/gpu/drm/tiny/cirrus-qemu.c-668-\t.id_table = pciidlist,\ndrivers/gpu/drm/tiny/cirrus-qemu.c:669:\t.probe = cirrus_pci_probe,\ndrivers/gpu/drm/tiny/cirrus-qemu.c-670-\t.remove = cirrus_pci_remove,\n"
}

gemini-3.1-pro-preview

null

null

							input: 3367
							output: 39
							thoughts: 12
						

Okay, let's dive into this driver configuration. I need to figure out the essential parameters. What are the key settings? What's the minimum viable setup? Are there any dependencies on other modules or systems that I need to account for? I'll review the documentation, look for any examples, and perhaps even peek at the code itself, if necessary. I'll focus on getting the core functionality operational first, and then circle back to optimize for performance, error handling, and any advanced features. My goal is to craft a solid, well-documented, and easily maintainable configuration. 

{
  "Expression": "config DRM_CIRRUS_QEMU",
  "PathPrefix": "drivers/gpu/drm/tiny/Kconfig"
}

{
  "Output": "drivers/gpu/drm/tiny/Kconfig=27=config DRM_BOCHS\n--\ndrivers/gpu/drm/tiny/Kconfig-38-\ndrivers/gpu/drm/tiny/Kconfig:39:config DRM_CIRRUS_QEMU\ndrivers/gpu/drm/tiny/Kconfig-40-\ttristate \"Cirrus driver for QEMU emulated device\"\n"
}

gemini-3.1-pro-preview

null

null

							input: 3645
							output: 37
							thoughts: 16
						

Here's a summary of my thought process:

**Dependency Check: DRM_CIRRUS_QEMU**

Okay, first things first, I need to get a handle on the dependencies of `DRM_CIRRUS_QEMU`. Before I dive into any deeper analysis or potential modifications, understanding what this driver relies on is absolutely crucial. I need to know what other kernel components, libraries, or potentially even userspace utilities are linked to it. This will help me assess the impact of any changes I make, troubleshoot any build errors, or identify potential conflicts down the line. I'll need to use the relevant tools, whether it's `modinfo`, looking at the Kconfig options, or perhaps even digging into the source code to trace the calls. It's time to build a clear dependency graph for this driver.

{
  "File": "drivers/gpu/drm/tiny/Kconfig",
  "FirstLine": 39,
  "LineCount": 20
}

{
  "Contents": "  39:\tconfig DRM_CIRRUS_QEMU\n  40:\t\ttristate \"Cirrus driver for QEMU emulated device\"\n  41:\t\tdepends on DRM \u0026\u0026 PCI\n  42:\t\tselect DRM_CLIENT_SELECTION\n  43:\t\tselect DRM_KMS_HELPER\n  44:\t\tselect DRM_GEM_SHMEM_HELPER\n  45:\t\thelp\n  46:\t\t This is a KMS driver for emulated cirrus device in qemu.\n  47:\t\t It is *NOT* intended for real cirrus devices. This requires\n  48:\t\t the modesetting userspace X.org driver.\n  49:\t\n  50:\t\t Cirrus is obsolete, the hardware was designed in the 90ies\n  51:\t\t and can't keep up with todays needs.  More background:\n  52:\t\t https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/\n  53:\t\n  54:\t\t Better alternatives are:\n  55:\t\t   - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+)\n  56:\t\t   - qxl (DRM_QXL, qemu -vga qxl, works best with spice)\n  57:\t\t   - virtio (DRM_VIRTIO_GPU), qemu -vga virtio)\n  58:\t\n"
}

gemini-3.1-pro-preview

null

null

							input: 4239
							output: 42
							thoughts: 629
						

**Worth Fuzzing - A Deep Dive**

Okay, so I'm looking at this patch and immediately, my brain zeroes in on the key points. The dependencies are `DRM` and `PCI`, which is pretty standard. This driver is for a QEMU emulated device – a *cirrus-qemu* device specifically – so it should be *definitely* reachable in QEMU. That's a good starting point.

The patch itself introduces a check within `cirrus_pci_probe`. Now the big question: Is this worth fuzzing? Yes, I think so. It's a functional change *within a probe function*. Probe functions are ripe targets for fuzzing, especially with something like syzkaller. Probe functions are very often the place where the device registers itself with the kernel, and the most obvious location for security holes.

Now, I paused because I was mentally running through syzkaller's syscall coverage. Does it have a `syz_pci_device` pseudo-syscall? No, I quickly remembered it doesn't. But, and this is important, syzkaller *does* have ways to fuzz PCI. It does this via sysfs or by leveraging QEMU's PCI device emulation. Thinking back, they use `syz_usb_connect` for USB, `syz_80211_inject_frame` for wifi, etc. So there is a precedent.

Then I had to check the prompt's instructions, specifically looking for caveats about virtualization. And, *that's* why this is good. The prompt says *not* to fuzz code unreachable in virtualized environments like QEMU. *However*, this is *cirrus-qemu*, which is *explicitly* for QEMU emulated devices! So this code *is* reachable, and that makes it worth fuzzing. It's a probe function, meaning it's a critical entry point.

I am convinced that this is a fix in the probe function. It's probably related to an out-of-bounds access or similar if the resource length isn't `CIRRUS_VRAM_SIZE`. I need to focus on `cirrus_pci_probe`.

Enabling the configs `DRM_CIRRUS_QEMU` is key here. I'll double-check that `DRM` and `PCI` are standard and required, which they probably are.

I also need to verify if `cirrus_pci_probe` is static. Yes, it is static. But I recalled the prompt! It says, preference for non-static, non-inlined API entrypoints over internal helper functions. However, `cirrus_pci_probe` is a callback for `struct pci_driver`. It's *not* inlined; it's passed as a function pointer and *will* have a distinct symbol address. This is exactly what we want.

Is there a non-static function? No, `cirrus_pci_probe` *is* the entry point for the PCI probe, it's the right function. I'll have to consider all the other functions involved.

So, *yes*, based on all this, I think it's definitely worth fuzzing.

{
  "Expression": "cirrus_pci_probe",
  "PathPrefix": "drivers/gpu/drm/tiny/cirrus-qemu.c"
}

{
  "Output": "drivers/gpu/drm/tiny/cirrus-qemu.c=565=static const struct drm_driver cirrus_driver = {\n--\ndrivers/gpu/drm/tiny/cirrus-qemu.c-577-\ndrivers/gpu/drm/tiny/cirrus-qemu.c:578:static int cirrus_pci_probe(struct pci_dev *pdev,\ndrivers/gpu/drm/tiny/cirrus-qemu.c-579-\t\t\t    const struct pci_device_id *ent)\n--\ndrivers/gpu/drm/tiny/cirrus-qemu.c=666=static struct pci_driver cirrus_pci_driver = {\n--\ndrivers/gpu/drm/tiny/cirrus-qemu.c-668-\t.id_table = pciidlist,\ndrivers/gpu/drm/tiny/cirrus-qemu.c:669:\t.probe = cirrus_pci_probe,\ndrivers/gpu/drm/tiny/cirrus-qemu.c-670-\t.remove = cirrus_pci_remove,\n"
}

gemini-3.1-pro-preview

null

null

							input: 5888
							output: 98
							thoughts: 423
						

**Analyzing the CIRRUS QEMU Driver for Fuzzing Potential**

Okay, so the function in question is `cirrus_pci_probe`. Just confirming – yes, it's the main probe function, not a static helper. I'm going to include `cirrus_pci_probe` in FocusSymbols. The configuration related to this is `DRM_CIRRUS_QEMU`. Quick check: `DRM_CIRRUS_QEMU` depends on `DRM` and `PCI`, so just enabling this is sufficient to get the driver.

Now, let's re-read the criteria for `WorthFuzzing=false`. It seems straightforward: documentation, Kconfig, comments, decorative logging, non-functional constant changes, unreachable code in QEMU, vendor-specific PCIe drivers, and teardown callbacks are all exclusions.

This is a QEMU-specific driver, so there's no question about reachability; it's *designed* to run in QEMU. It's modifying the `.probe` callback, not something like `.remove` or `.shutdown`. And the key part is, it *adds* functional checks. It's not just a refactoring or logging change; it's introducing new logic. Therefore, I'm confident in setting `WorthFuzzing=true`.

Time to call set-results.

{
  "EnableConfigs": [
    "DRM_CIRRUS_QEMU"
  ],
  "FocusSymbols": [
    "cirrus_pci_probe"
  ],
  "Reasoning": "The patch adds a functional check to the PCI probe function of the QEMU Cirrus VGA driver. This driver is specifically designed for QEMU emulated devices and its probe function is reachable and testable in virtualized environments.",
  "WorthFuzzing": true
}

{
  "EnableConfigs": [
    "DRM_CIRRUS_QEMU"
  ],
  "FocusSymbols": [
    "cirrus_pci_probe"
  ],
  "Reasoning": "The patch adds a functional check to the PCI probe function of the QEMU Cirrus VGA driver. This driver is specifically designed for QEMU emulated devices and its probe function is reachable and testable in virtualized environments.",
  "WorthFuzzing": true
}

{
  "WorthFuzzing": true
}

null

best-expensive

null

{
  "KMSANReasoning": "The patch adds a validation check for the PCI resource length in `cirrus_pci_probe`. It ensures that the VRAM size matches `CIRRUS_VRAM_SIZE` before mapping it with `devm_ioremap`. This change is intended to prevent incorrect MMIO mapping sizes or potential out-of-bounds accesses (which would be caught by KASAN or standard memory management checks). It does not introduce any new data structures, copy data to user space, or involve uninitialized memory reads. Therefore, a dedicated KMSAN fuzzing session is not required.",
  "NeedsKMSAN": false
}

You are an expert Linux kernel security engineer specializing in kernel memory
error detectors (KASAN and KMSAN). Your job is to review the provided patch series and
determine if the code changes justify spawning a dedicated KMSAN (KernelMemorySanitizer)
fuzzing session in addition to standard KASAN fuzzing.

CRITICAL DISTINCTION BETWEEN KASAN AND KMSAN:
- Standard KASAN kernel builds (upstream-apparmor-kasan.config) already enable
  a comprehensive suite of debugging tools and sanitizers, including KASAN
  (out-of-bounds accesses, use-after-free, double free, invalid free), LOCKDEP
  (locking bugs and deadlocks), UB-sanitizers, and memory corruption checks.
- KMSAN (KernelMemorySanitizer) detects reads of UNINITIALIZED memory (stack, heap,
  or page allocations) and kernel-to-user memory info-leaks.

Rule: THERE IS NO SENSE IN RUNNING A KMSAN SESSION IF A BUG CAN BE CAUGHT BY KASAN,
LOCKDEP, OR OTHER STANDARD BUG DETECTORS.
A dedicated KMSAN fuzzing session incurs significant resource costs. You must ONLY
set NeedsKMSAN=true if the code changes introduce or expose UNINITIALIZED MEMORY risks
that are detected ONLY by KMSAN.

Look holistically at the patch series and surrounding code. Even if no direct
uninitialized field accesses or new buffer allocations are added in the diff itself,
a patch may alter control flow, bounds checking, or data length calculations in ways
that change how the rest of the code operates on existing buffers (e.g. allowing
uninitialized stack/heap memory to be read, copied to user space, or used in control
flow). Do not hesitate to use your code access tools to inspect the surrounding code,
called functions, and callers.

Set NeedsKMSAN=true ONLY IF the patch introduces or modifies:
1. Kernel structures sent to user space (via copy_to_user, put_user, netlink skb
   attributes, ioctl output arguments, socket options, or BPF buffers) where fields
   or structure padding might not be fully initialized/zeroed.
2. Conditional logic or branching that depends on potentially uninitialized variables
   or struct fields.
3. Allocation or initialization of complex data structures where uninitialized fields
   could be read later in reachable code paths.
4. Bounds checks, lengths, or logic in a way that allows surrounding code to access
   uninitialized bytes of existing buffers.

Set NeedsKMSAN=false IF:
- The code changes primarily risk out-of-bounds access, array overflows, NULL pointer
  dereferences, locking deadlocks, or use-after-free bugs (these are already caught
  by KASAN, LOCKDEP, or standard bug detectors).
- All stack/heap structures touched or introduced by the patch are fully zeroed
  or initialized (e.g. using = {0}, memset, kzalloc) before being read or copied.
- The patch does not introduce any risk of uninitialized memory usage or info-leaks.

Use your code access tools to inspect the surrounding code if necessary, then provide
detailed KMSANReasoning contrasting KASAN vs KMSAN applicability for this patch.
Prefer calling several tools at the same time to save round-trips.


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

For your convenience, here is the diff of the changes:
commit 9051851b9583d8de29b9e1ee834a6715d68091c5
Author: syz-cluster <triage@syzkaller.com>
Date:   Tue Aug 25 07:52:31 2026 +0000

    syz-cluster: applied patch under review

diff --git a/drivers/gpu/drm/tiny/cirrus-qemu.c b/drivers/gpu/drm/tiny/cirrus-qemu.c
index 075221b431d37..70c995025f508 100644
--- a/drivers/gpu/drm/tiny/cirrus-qemu.c
+++ b/drivers/gpu/drm/tiny/cirrus-qemu.c
@@ -602,6 +602,9 @@ static int cirrus_pci_probe(struct pci_dev *pdev,
 
 	dev = &cirrus->dev;
 
+	if (pci_resource_len(pdev, 0) != CIRRUS_VRAM_SIZE)
+		return -ENODEV;
+
 	cirrus->vram = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0),
 				    pci_resource_len(pdev, 0));
 	if (cirrus->vram == NULL)

gemini-3.1-pro-preview

null

null

							input: 2042
							output: 144
							thoughts: 459
						

**Analyzing the Cirrus QEMU Patch**

Okay, so I'm looking at this patch in `drivers/gpu/drm/tiny/cirrus-qemu.c`. It's a pretty straightforward addition in `cirrus_pci_probe`. They're doing a simple check:

```c
+	if (pci_resource_len(pdev, 0) != CIRRUS_VRAM_SIZE)
+		return -ENODEV;
```

Basically, if the PCI resource length isn't *exactly* `CIRRUS_VRAM_SIZE`, it errors out. The intent here is clearly to validate the size of the memory region. It's a good safety check – preventing someone from accidentally, or maliciously, mapping an incorrect size.  My initial reaction is that this doesn't introduce any new security issues.

The question then is, does this expose uninitialized memory risks? No, not directly. It's just a validation check.  If the length *was* wrong and we *did* try to map it, KASAN would probably catch out-of-bounds stuff since it's MMIO via `ioremap`. KMSAN would catch uninitialized reads, but this patch doesn't *create* any uninitialized memory reads or information leaks. It's just a check *before* the mapping.

Let's quickly double-check the surrounding code:

```c
	cirrus->vram = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0),
				    pci_resource_len(pdev, 0));
```

Yep, it's just a check on `pci_resource_len(pdev, 0)` *before* the `ioremap`. There is no new risk.

I think a KMSAN fuzzing session isn't needed here. I'm setting `NeedsKMSAN=false`. It's all good.

{
  "KMSANReasoning": "The patch adds a validation check for the PCI resource length in `cirrus_pci_probe`. It ensures that the VRAM size matches `CIRRUS_VRAM_SIZE` before mapping it with `devm_ioremap`. This change is intended to prevent incorrect MMIO mapping sizes or potential out-of-bounds accesses (which would be caught by KASAN or standard memory management checks). It does not introduce any new data structures, copy data to user space, or involve uninitialized memory reads. Therefore, a dedicated KMSAN fuzzing session is not required.",
  "NeedsKMSAN": false
}

{
  "KMSANReasoning": "The patch adds a validation check for the PCI resource length in `cirrus_pci_probe`. It ensures that the VRAM size matches `CIRRUS_VRAM_SIZE` before mapping it with `devm_ioremap`. This change is intended to prevent incorrect MMIO mapping sizes or potential out-of-bounds accesses (which would be caught by KASAN or standard memory management checks). It does not introduce any new data structures, copy data to user space, or involve uninitialized memory reads. Therefore, a dedicated KMSAN fuzzing session is not required.",
  "NeedsKMSAN": false
}