AI Trajectory


Trajectory: (Expand/Collapse All)
Seq Timestamp Type Name Duration
0/0 2026/07/21 06:49 flow patch-triage
0m Args:
null

Results:
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies docstrings in Python scripts within the selftests directory. It does not make any functional changes to the kernel code.",
  "WorthFuzzing": false
}

1/1 2026/07/21 06:49 action read-patch-diff
0m Args:
null

Results:
{
  "PatchDiff": "commit bd85e9c5bdd72f3f337c44919a6af3c9016ca04e\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Tue Jul 21 06:49:44 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/tools/testing/selftests/drivers/net/hw/csum.py b/tools/testing/selftests/drivers/net/hw/csum.py\nindex 3e3a89a34afe74..0e99198f8d399e 100755\n--- a/tools/testing/selftests/drivers/net/hw/csum.py\n+++ b/tools/testing/selftests/drivers/net/hw/csum.py\n@@ -1,7 +1,7 @@\n #!/usr/bin/env python3\n # SPDX-License-Identifier: GPL-2.0\n \n-\"\"\"Run the tools/testing/selftests/net/csum testsuite.\"\"\"\n+\"\"\"Run the tools/testing/selftests/net/lib/csum testsuite.\"\"\"\n \n from os import path\n \ndiff --git a/tools/testing/selftests/drivers/net/hw/tso.py b/tools/testing/selftests/drivers/net/hw/tso.py\nindex 802bb48680465e..67f6c9ca9a6476 100755\n--- a/tools/testing/selftests/drivers/net/hw/tso.py\n+++ b/tools/testing/selftests/drivers/net/hw/tso.py\n@@ -1,7 +1,7 @@\n #!/usr/bin/env python3\n # SPDX-License-Identifier: GPL-2.0\n \n-\"\"\"Run the tools/testing/selftests/net/csum testsuite.\"\"\"\n+\"\"\"A simple test for TSO.\"\"\"\n \n import fcntl\n import socket\n"
}

2/1 2026/07/21 06:49 agent patch-evaluator
0m Model:
best-expensive

Args:
null

Results:
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies docstrings in Python scripts within the selftests directory. It does not make any functional changes to the kernel code.",
  "WorthFuzzing": false
}

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).

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.

Prompt:
For your convenience, here is the diff of the changes:
commit bd85e9c5bdd72f3f337c44919a6af3c9016ca04e
Author: syz-cluster <triage@syzkaller.com>
Date:   Tue Jul 21 06:49:44 2026 +0000

    syz-cluster: applied patch under review

diff --git a/tools/testing/selftests/drivers/net/hw/csum.py b/tools/testing/selftests/drivers/net/hw/csum.py
index 3e3a89a34afe74..0e99198f8d399e 100755
--- a/tools/testing/selftests/drivers/net/hw/csum.py
+++ b/tools/testing/selftests/drivers/net/hw/csum.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # SPDX-License-Identifier: GPL-2.0
 
-"""Run the tools/testing/selftests/net/csum testsuite."""
+"""Run the tools/testing/selftests/net/lib/csum testsuite."""
 
 from os import path
 
diff --git a/tools/testing/selftests/drivers/net/hw/tso.py b/tools/testing/selftests/drivers/net/hw/tso.py
index 802bb48680465e..67f6c9ca9a6476 100755
--- a/tools/testing/selftests/drivers/net/hw/tso.py
+++ b/tools/testing/selftests/drivers/net/hw/tso.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # SPDX-License-Identifier: GPL-2.0
 
-"""Run the tools/testing/selftests/net/csum testsuite."""
+"""A simple test for TSO."""
 
 import fcntl
 import socket

3/2 2026/07/21 06:49 llm patch-evaluator
0m Model:
gemini-3.1-pro-preview

Args:
null

Results:
null

Tokens:
							input: 2100
							output: 59
							thoughts: 67
						

Thoughts:
**Patch Analysis for Net/HW Driver Self-Tests**

Okay, here's what I'm seeing with this patch. It looks like it's focused on the self-tests for the network hardware drivers, specifically in the `tools/testing/selftests/drivers/net/hw/` directory. The real meat of the change appears to be centered around two Python scripts in there: `csum.py` and `tso.py`. It seems the changes are just related to updating the comments or docstrings within those files. No functional modifications to the kernel code itself, as far as I can tell. Given that this is a docstring and comment update, and there are no changes to the kernel's functional behavior, the `WorthFuzzing` flag should absolutely be set to `false`. No reason to fuzz this.



4/2 2026/07/21 06:50 tool set-results
0m Args:
{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies docstrings in Python scripts within the selftests directory. It does not make any functional changes to the kernel code.",
  "WorthFuzzing": false
}

Results:
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies docstrings in Python scripts within the selftests directory. It does not make any functional changes to the kernel code.",
  "WorthFuzzing": false
}

LLM Calls Summary:
Total Calls Total Tokens Avg Tokens Total Duration (Seconds) Avg Duration (Seconds)
Tool Calls Summary:
Total Calls Total Duration (Seconds) Avg Duration (Seconds)