AI Trajectory

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{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "KMSANReasoning": "",
  "NeedsKMSAN": false,
  "Reasoning": "The patch only modifies Documentation/filesystems/proc.rst to fix typos. It does not contain any functional changes to the kernel code.",
  "WorthFuzzing": false
}

null

{
  "PatchDiff": "commit dae9c2126d6a66792b593fdb90a0898663e0fd89\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Tue Aug 18 22:56:28 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst\nindex c102b62023cdc..78a632fea2bf5 100644\n--- a/Documentation/filesystems/proc.rst\n+++ b/Documentation/filesystems/proc.rst\n@@ -440,7 +440,7 @@ ioctl()-based API that gives ability to flexibly and efficiently query and\n filter individual VMAs. This interface is binary and is meant for more\n efficient and easy programmatic use. `struct procmap_query`, defined in\n linux/fs.h UAPI header, serves as an input/output argument to the\n-`PROCMAP_QUERY` ioctl() command. See comments in linus/fs.h UAPI header for\n+`PROCMAP_QUERY` ioctl() command. See comments in linux/fs.h UAPI header for\n details on query semantics, supported flags, data returned, and general API\n usage information.\n \n@@ -576,14 +576,14 @@ encoded manner. The codes are the following:\n \n     ==    =============================================================\n     rd    readable\n-    wr    writeable\n+    wr    writable\n     ex    executable\n     sh    shared\n     mr    may read\n     mw    may write\n     me    may execute\n     ms    may share\n-    gd    stack segment growns down\n+    gd    stack segment grows down\n     pf    pure PFN range\n     lo    pages are locked in memory\n     io    memory mapped I/O area\n@@ -719,7 +719,7 @@ size, in KB, that is backing the mapping up.\n \n Note that some kernel configurations do not track the precise number of times\n a page part of a larger allocation (e.g., THP) is mapped. In these\n-configurations, \"mapmax\" might corresponds to the average number of mappings\n+configurations, \"mapmax\" might correspond to the average number of mappings\n per page in such a larger allocation instead.\n \n 1.2 Kernel data\n@@ -2008,7 +2008,7 @@ For more information on mount propagation see:\n These files provide a method to access a task's comm value. It also allows for\n a task to set its own or one of its thread siblings comm value. The comm value\n is limited in size compared to the cmdline value, so writing anything longer\n-then the kernel's TASK_COMM_LEN (currently 16 chars, including the NUL\n+than the kernel's TASK_COMM_LEN (currently 16 chars, including the NUL\n terminator) will result in a truncated comm value.\n \n \n"
}

best-expensive

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{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies Documentation/filesystems/proc.rst to fix typos. It does not contain any functional changes to the kernel code.",
  "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).
- 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 dae9c2126d6a66792b593fdb90a0898663e0fd89
Author: syz-cluster <triage@syzkaller.com>
Date:   Tue Aug 18 22:56:28 2026 +0000

    syz-cluster: applied patch under review

diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index c102b62023cdc..78a632fea2bf5 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -440,7 +440,7 @@ ioctl()-based API that gives ability to flexibly and efficiently query and
 filter individual VMAs. This interface is binary and is meant for more
 efficient and easy programmatic use. `struct procmap_query`, defined in
 linux/fs.h UAPI header, serves as an input/output argument to the
-`PROCMAP_QUERY` ioctl() command. See comments in linus/fs.h UAPI header for
+`PROCMAP_QUERY` ioctl() command. See comments in linux/fs.h UAPI header for
 details on query semantics, supported flags, data returned, and general API
 usage information.
 
@@ -576,14 +576,14 @@ encoded manner. The codes are the following:
 
     ==    =============================================================
     rd    readable
-    wr    writeable
+    wr    writable
     ex    executable
     sh    shared
     mr    may read
     mw    may write
     me    may execute
     ms    may share
-    gd    stack segment growns down
+    gd    stack segment grows down
     pf    pure PFN range
     lo    pages are locked in memory
     io    memory mapped I/O area
@@ -719,7 +719,7 @@ size, in KB, that is backing the mapping up.
 
 Note that some kernel configurations do not track the precise number of times
 a page part of a larger allocation (e.g., THP) is mapped. In these
-configurations, "mapmax" might corresponds to the average number of mappings
+configurations, "mapmax" might correspond to the average number of mappings
 per page in such a larger allocation instead.
 
 1.2 Kernel data
@@ -2008,7 +2008,7 @@ For more information on mount propagation see:
 These files provide a method to access a task's comm value. It also allows for
 a task to set its own or one of its thread siblings comm value. The comm value
 is limited in size compared to the cmdline value, so writing anything longer
-then the kernel's TASK_COMM_LEN (currently 16 chars, including the NUL
+than the kernel's TASK_COMM_LEN (currently 16 chars, including the NUL
 terminator) will result in a truncated comm value.
 
 

gemini-3.1-pro-preview

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							input: 2401
							output: 59
							thoughts: 94
						

Okay, here's my take on that patch, distilled into my own internal thought process:

**A Quick Typo Fix**

Alright, so this one's straightforward. The diff is targeting just `Documentation/filesystems/proc.rst`. That immediately flags it as documentation – good, relatively low-risk territory, not touching any core kernel code, which I like to see.

Now, let's see... looking at the changes, it's all typo corrections. I spot a couple of the usual suspects: `linus/fs.h` corrected to `linux/fs.h`, a couple of spelling mistakes with `writeable`, `corresponds` and `longer then` as well as the incorrect wording `growns down` (a pet peeve of mine). Always good to clean those up for clarity.

The important thing is, as far as I can tell, there are no actual functional code changes, just refinements to the documentation. Nothing to worry about in terms of regressions or new vulnerabilities.

And finally, the `WorthFuzzing=false` tag further confirms my initial assessment. It isn't introducing any new code or logic, so no need to waste cycles on fuzzing this. Easy peasy. Merged.

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies Documentation/filesystems/proc.rst to fix typos. It does not contain any functional changes to the kernel code.",
  "WorthFuzzing": false
}

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies Documentation/filesystems/proc.rst to fix typos. It does not contain any functional changes to the kernel code.",
  "WorthFuzzing": false
}

{
  "WorthFuzzing": false
}

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