AI Trajectory


Trajectory: (Expand/Collapse All)
Seq Timestamp Type Name Duration
0/0 2026/09/27 16:17 flow patch-triage
0m Args: 
null

Results: 
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "KMSANReasoning": "",
  "NeedsKMSAN": false,
  "Reasoning": "The patch modifies only Netlink YAML specification files under Documentation/netlink/specs/ (devlink.yaml, ethtool.yaml, nl80211.yaml, rt-link.yaml, and tc.yaml) to correct schema definitions and flag names. No executable kernel code, uAPI headers, or generated C source files are modified or built into vmlinux/kernel modules.",
  "WorthFuzzing": false
}
1/1 2026/09/27 16:17 action read-patch-diff
0m Args: 
null

Results: 
{
  "PatchDiff": "commit 53f928f14fb73960be4ed118c549a31685e16931\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Sun Sep 27 16:17:34 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/Documentation/netlink/specs/devlink.yaml b/Documentation/netlink/specs/devlink.yaml\nindex 1de0daa0f9212..4706de6283923 100644\n--- a/Documentation/netlink/specs/devlink.yaml\n+++ b/Documentation/netlink/specs/devlink.yaml\n@@ -158,7 +158,7 @@ definitions:\n       -\n         name: entry\n   -\n-    type: enum\n+    type: flags\n     name: resource-scope\n     entries:\n       -\n@@ -903,7 +903,6 @@ attribute-sets:\n         name: resource-scope-mask\n         type: u32\n         enum: resource-scope\n-        enum-as-flags: true\n         doc: |\n           Bitmask selecting which resource classes to include in a\n           resource-dump response. Bit 0 (dev) selects device-level\ndiff --git a/Documentation/netlink/specs/ethtool.yaml b/Documentation/netlink/specs/ethtool.yaml\nindex 5dd4d1b5d94bb..a66594ad9e739 100644\n--- a/Documentation/netlink/specs/ethtool.yaml\n+++ b/Documentation/netlink/specs/ethtool.yaml\n@@ -47,6 +47,7 @@ definitions:\n       -\n         name: started\n         doc: The firmware flashing process has started.\n+        value: 1\n       -\n         name: in-progress\n         doc: The firmware flashing process is in progress.\n@@ -89,6 +90,7 @@ definitions:\n       -\n         name: power-not-available\n         doc: Group of power_not_available states\n+        value: 8\n       -\n         name: short-detected\n         doc: Group of short_detected states\n@@ -97,7 +99,7 @@ definitions:\n     enum-name: phy-upstream\n     header: linux/ethtool.h\n     type: enum\n-    name-prefix: phy-upstream\n+    name-prefix: phy-upstream-\n     entries: [mac, phy]\n   -\n     name: tcp-data-split\ndiff --git a/Documentation/netlink/specs/nl80211.yaml b/Documentation/netlink/specs/nl80211.yaml\nindex d9fdd66b497e2..efc783fb8fdfc 100644\n--- a/Documentation/netlink/specs/nl80211.yaml\n+++ b/Documentation/netlink/specs/nl80211.yaml\n@@ -97,7 +97,7 @@ definitions:\n       - unexpected-frame\n       - probe-client\n       - register-beacons\n-      - unexpected-4-addr-frame\n+      - unexpected-4addr-frame\n       - set-noack-map\n       - ch-switch-notify\n       - start-p2p-device\n@@ -202,7 +202,7 @@ definitions:\n       - tdls-channel-switch\n       - scan-random-mac-addr\n       - sched-scan-random-mac-addr\n-      - no-random-mac-addr\n+      - nd-random-mac-addr\n   -\n     name: channel-type\n     type: enum\ndiff --git a/Documentation/netlink/specs/rt-link.yaml b/Documentation/netlink/specs/rt-link.yaml\nindex 7a72cd1b7e1ee..81b58633911d6 100644\n--- a/Documentation/netlink/specs/rt-link.yaml\n+++ b/Documentation/netlink/specs/rt-link.yaml\n@@ -25,17 +25,17 @@ definitions:\n       -\n         name: loopback\n       -\n-        name: point-to-point\n+        name: pointopoint\n       -\n-        name: no-trailers\n+        name: notrailers\n       -\n         name: running\n       -\n-        name: no-arp\n+        name: noarp\n       -\n         name: promisc\n       -\n-        name: all-multi\n+        name: allmulti\n       -\n         name: master\n       -\n@@ -45,7 +45,7 @@ definitions:\n       -\n         name: portsel\n       -\n-        name: auto-media\n+        name: automedia\n       -\n         name: dynamic\n       -\n@@ -309,6 +309,7 @@ definitions:\n     entries:\n       -\n         name: forwarding\n+        value: 1\n       -\n         name: mc-forwarding\n       -\n@@ -531,11 +532,21 @@ definitions:\n       -\n         name: indelivers\n       -\n-        name: outforwdatagrams\n+        name: noectpkts\n+      -\n+        name: ect1pkts\n+      -\n+        name: ect0pkts\n+      -\n+        name: cepkts\n+      -\n+        name: outrequests\n       -\n         name: outpkts\n       -\n         name: outoctets\n+      -\n+        name: outforwdatagrams\n       -\n         name: inhdrerrors\n       -\n@@ -586,14 +597,6 @@ definitions:\n         name: outbcastoctets\n       -\n         name: csumerrors\n-      -\n-        name: noectpkts\n-      -\n-        name: ect1-pkts\n-      -\n-        name: ect0-pkts\n-      -\n-        name: cepkts\n       -\n         name: reasm-overlaps\n   - name: br-boolopt-multi\n@@ -839,7 +842,7 @@ definitions:\n   -\n     name: ovpn-mode\n     enum-name: ovpn-mode\n-    name-prefix: ovpn-mode\n+    name-prefix: ovpn-mode-\n     type: enum\n     entries:\n       - p2p\ndiff --git a/Documentation/netlink/specs/tc.yaml b/Documentation/netlink/specs/tc.yaml\nindex 2e663333a2798..b6ccc645b0e33 100644\n--- a/Documentation/netlink/specs/tc.yaml\n+++ b/Documentation/netlink/specs/tc.yaml\n@@ -42,7 +42,7 @@ definitions:\n       - skip-hw\n       - skip-sw\n       - in-hw\n-      - not-in-nw\n+      - not-in-hw\n       - verbose\n   -\n     name: flower-key-ctrl-flags\n"
}
2/1 2026/09/27 16:17 agent patch-evaluator
0m Model: 
core

Args: 
null

Results: 
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch modifies only Netlink YAML specification files under Documentation/netlink/specs/ (devlink.yaml, ethtool.yaml, nl80211.yaml, rt-link.yaml, and tc.yaml) to correct schema definitions and flag names. No executable kernel code, uAPI headers, or generated C source files are modified or built into vmlinux/kernel modules.",
  "WorthFuzzing": false
}

Instruction: 
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.

Prompt: 
Target architecture: amd64

For your convenience, here is the diff of the changes:
commit 53f928f14fb73960be4ed118c549a31685e16931
Author: syz-cluster <triage@syzkaller.com>
Date:   Sun Sep 27 16:17:34 2026 +0000

    syz-cluster: applied patch under review

diff --git a/Documentation/netlink/specs/devlink.yaml b/Documentation/netlink/specs/devlink.yaml
index 1de0daa0f9212..4706de6283923 100644
--- a/Documentation/netlink/specs/devlink.yaml
+++ b/Documentation/netlink/specs/devlink.yaml
@@ -158,7 +158,7 @@ definitions:
       -
         name: entry
   -
-    type: enum
+    type: flags
     name: resource-scope
     entries:
       -
@@ -903,7 +903,6 @@ attribute-sets:
         name: resource-scope-mask
         type: u32
         enum: resource-scope
-        enum-as-flags: true
         doc: |
           Bitmask selecting which resource classes to include in a
           resource-dump response. Bit 0 (dev) selects device-level
diff --git a/Documentation/netlink/specs/ethtool.yaml b/Documentation/netlink/specs/ethtool.yaml
index 5dd4d1b5d94bb..a66594ad9e739 100644
--- a/Documentation/netlink/specs/ethtool.yaml
+++ b/Documentation/netlink/specs/ethtool.yaml
@@ -47,6 +47,7 @@ definitions:
       -
         name: started
         doc: The firmware flashing process has started.
+        value: 1
       -
         name: in-progress
         doc: The firmware flashing process is in progress.
@@ -89,6 +90,7 @@ definitions:
       -
         name: power-not-available
         doc: Group of power_not_available states
+        value: 8
       -
         name: short-detected
         doc: Group of short_detected states
@@ -97,7 +99,7 @@ definitions:
     enum-name: phy-upstream
     header: linux/ethtool.h
     type: enum
-    name-prefix: phy-upstream
+    name-prefix: phy-upstream-
     entries: [mac, phy]
   -
     name: tcp-data-split
diff --git a/Documentation/netlink/specs/nl80211.yaml b/Documentation/netlink/specs/nl80211.yaml
index d9fdd66b497e2..efc783fb8fdfc 100644
--- a/Documentation/netlink/specs/nl80211.yaml
+++ b/Documentation/netlink/specs/nl80211.yaml
@@ -97,7 +97,7 @@ definitions:
       - unexpected-frame
       - probe-client
       - register-beacons
-      - unexpected-4-addr-frame
+      - unexpected-4addr-frame
       - set-noack-map
       - ch-switch-notify
       - start-p2p-device
@@ -202,7 +202,7 @@ definitions:
       - tdls-channel-switch
       - scan-random-mac-addr
       - sched-scan-random-mac-addr
-      - no-random-mac-addr
+      - nd-random-mac-addr
   -
     name: channel-type
     type: enum
diff --git a/Documentation/netlink/specs/rt-link.yaml b/Documentation/netlink/specs/rt-link.yaml
index 7a72cd1b7e1ee..81b58633911d6 100644
--- a/Documentation/netlink/specs/rt-link.yaml
+++ b/Documentation/netlink/specs/rt-link.yaml
@@ -25,17 +25,17 @@ definitions:
       -
         name: loopback
       -
-        name: point-to-point
+        name: pointopoint
       -
-        name: no-trailers
+        name: notrailers
       -
         name: running
       -
-        name: no-arp
+        name: noarp
       -
         name: promisc
       -
-        name: all-multi
+        name: allmulti
       -
         name: master
       -
@@ -45,7 +45,7 @@ definitions:
       -
         name: portsel
       -
-        name: auto-media
+        name: automedia
       -
         name: dynamic
       -
@@ -309,6 +309,7 @@ definitions:
     entries:
       -
         name: forwarding
+        value: 1
       -
         name: mc-forwarding
       -
@@ -531,11 +532,21 @@ definitions:
       -
         name: indelivers
       -
-        name: outforwdatagrams
+        name: noectpkts
+      -
+        name: ect1pkts
+      -
+        name: ect0pkts
+      -
+        name: cepkts
+      -
+        name: outrequests
       -
         name: outpkts
       -
         name: outoctets
+      -
+        name: outforwdatagrams
       -
         name: inhdrerrors
       -
@@ -586,14 +597,6 @@ definitions:
         name: outbcastoctets
       -
         name: csumerrors
-      -
-        name: noectpkts
-      -
-        name: ect1-pkts
-      -
-        name: ect0-pkts
-      -
-        name: cepkts
       -
         name: reasm-overlaps
   - name: br-boolopt-multi
@@ -839,7 +842,7 @@ definitions:
   -
     name: ovpn-mode
     enum-name: ovpn-mode
-    name-prefix: ovpn-mode
+    name-prefix: ovpn-mode-
     type: enum
     entries:
       - p2p
diff --git a/Documentation/netlink/specs/tc.yaml b/Documentation/netlink/specs/tc.yaml
index 2e663333a2798..b6ccc645b0e33 100644
--- a/Documentation/netlink/specs/tc.yaml
+++ b/Documentation/netlink/specs/tc.yaml
@@ -42,7 +42,7 @@ definitions:
       - skip-hw
       - skip-sw
       - in-hw
-      - not-in-nw
+      - not-in-hw
       - verbose
   -
     name: flower-key-ctrl-flags

3/2 2026/09/27 16:17 llm patch-evaluator
0m Model: 
gemini-3.8-flash

Args: 
null

Results: 
null

Tokens: 
							input: 4307
							output: 20
							thoughts: 171

Thoughts: 
**Initial Assessment of the Patch**

Okay, so I've got a patch here, and I need to quickly evaluate its impact. First things first: let's get a handle on what's being changed. Ah, it's just YAML files – all within `Documentation/netlink/specs/`. Specifically, I'm seeing modifications to `devlink.yaml`, `ethtool.yaml`, `nl80211.yaml`, `rt-link.yaml`, and `tc.yaml`. Seems straightforward enough, just documentation updates, probably.

But hold on, before I jump to any conclusions... I need to be *absolutely* sure these YAML files aren't somehow feeding into the kernel build process. Are they used by any build scripts to generate C headers or something similar? That would change the game completely. I can't just assume they're purely for human consumption. Best to be cautious here. I'm going to run a quick search through the build system to confirm whether these YAML files are actively used during the kernel build itself. That's the key question right now.

4/2 2026/09/27 16:17 tool grepper
0m Args: 
{
  "Expression": "Documentation/netlink/specs"
}

Results: 
{
  "Output": "Documentation/gpu/drm-ras.rst=60=YAML-based Interface\n--\nDocumentation/gpu/drm-ras.rst-62-\nDocumentation/gpu/drm-ras.rst:63:The interface is described in a YAML specification ``Documentation/netlink/specs/drm_ras.yaml``\nDocumentation/gpu/drm-ras.rst-64-\n--\nDocumentation/networking/multi-pf-netdev.rst=90=The relation between PF, irq, napi, and queue can be observed via netlink spec::\nDocumentation/networking/multi-pf-netdev.rst-91-\nDocumentation/networking/multi-pf-netdev.rst:92:  $ ./tools/net/ynl/pyynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump queue-get --json='{\"ifindex\": 13}'\nDocumentation/networking/multi-pf-netdev.rst-93-  [{'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'rx'},\n--\nDocumentation/networking/multi-pf-netdev.rst-103-\nDocumentation/networking/multi-pf-netdev.rst:104:  $ ./tools/net/ynl/pyynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump napi-get --json='{\"ifindex\": 13}'\nDocumentation/networking/multi-pf-netdev.rst-105-  [{'id': 543, 'ifindex': 13, 'irq': 42},\n--\nDocumentation/networking/napi.rst=205=will reveal each queue's NAPI ID):\n--\nDocumentation/networking/napi.rst-209-   $ kernel-source/tools/net/ynl/pyynl/cli.py \\\nDocumentation/networking/napi.rst:210:             --spec Documentation/netlink/specs/netdev.yaml \\\nDocumentation/networking/napi.rst-211-             --dump queue-get \\\n--\nDocumentation/networking/napi.rst-213-\nDocumentation/networking/napi.rst:214:See ``Documentation/netlink/specs/netdev.yaml`` for more details on\nDocumentation/networking/napi.rst-215-available operations and attributes.\n--\nDocumentation/networking/napi.rst=240=For example, using the script:\n--\nDocumentation/networking/napi.rst-244-  $ kernel-source/tools/net/ynl/pyynl/cli.py \\\nDocumentation/networking/napi.rst:245:            --spec Documentation/netlink/specs/netdev.yaml \\\nDocumentation/networking/napi.rst-246-            --do napi-set \\\n--\nDocumentation/networking/page_pool.rst=47=etc. can be accessed via the netdev genetlink family\nDocumentation/networking/page_pool.rst:48:(see Documentation/netlink/specs/netdev.yaml).\nDocumentation/networking/page_pool.rst-49-\n--\nDocumentation/networking/xdp-rx-metadata.rst=120=netlink. See ``xdp-rx-metadata-features`` attribute set in\nDocumentation/networking/xdp-rx-metadata.rst:121:``Documentation/netlink/specs/netdev.yaml``.\nDocumentation/networking/xdp-rx-metadata.rst-122-\n--\nDocumentation/networking/xsk-tx-metadata.rst=134=Query the ``xsk-features`` attribute in\nDocumentation/networking/xsk-tx-metadata.rst:135:``Documentation/netlink/specs/netdev.yaml``. Its bits are defined by the\nDocumentation/networking/xsk-tx-metadata.rst-136-``xsk-flags`` enum.\n--\nDocumentation/translations/zh_CN/networking/napi.rst=132=NAPI 实例最常以 1:1:1 映射到中断和队列对（队列对是由一个接收队列和一个发送队列组成的一组\n--\nDocumentation/translations/zh_CN/networking/napi.rst-171-   $ kernel-source/tools/net/ynl/pyynl/cli.py \\\nDocumentation/translations/zh_CN/networking/napi.rst:172:             --spec Documentation/netlink/specs/netdev.yaml \\\nDocumentation/translations/zh_CN/networking/napi.rst-173-             --dump queue-get \\\n--\nDocumentation/translations/zh_CN/networking/napi.rst-175-\nDocumentation/translations/zh_CN/networking/napi.rst:176:有关可用操作和属性的更多详细信息，请参阅 ``Documentation/netlink/specs/netdev.yaml``。\nDocumentation/translations/zh_CN/networking/napi.rst-177-\n--\nDocumentation/translations/zh_CN/networking/napi.rst=189=Netlink 进行配置且是基于每个 NAPI 实例设置时，上述参数使用连字符（-）而非下划线（_）\n--\nDocumentation/translations/zh_CN/networking/napi.rst-199-  $ kernel-source/tools/net/ynl/pyynl/cli.py \\\nDocumentation/translations/zh_CN/networking/napi.rst:200:            --spec Documentation/netlink/specs/netdev.yaml \\\nDocumentation/translations/zh_CN/networking/napi.rst-201-            --do napi-set \\\n--\nDocumentation/userspace-api/netlink/index.rst=19=See also:\nDocumentation/userspace-api/netlink/index.rst-20- - :ref:`Documentation/core-api/netlink.rst \u003ckernel_netlink\u003e`\nDocumentation/userspace-api/netlink/index.rst:21: - :ref:`Documentation/netlink/specs/index.rst \u003cspecs\u003e`\n--\nDocumentation/userspace-api/netlink/intro-specs.rst=19=a handful of arguments, the most important ones are:\n--\nDocumentation/userspace-api/netlink/intro-specs.rst-25-\nDocumentation/userspace-api/netlink/intro-specs.rst:26:YAML specs can be found under ``Documentation/netlink/specs/``.\nDocumentation/userspace-api/netlink/intro-specs.rst-27-\nDocumentation/userspace-api/netlink/intro-specs.rst=28=Example use::\nDocumentation/userspace-api/netlink/intro-specs.rst-29-\nDocumentation/userspace-api/netlink/intro-specs.rst:30:  $ ./tools/net/ynl/pyynl/cli.py --spec Documentation/netlink/specs/ethtool.yaml \\\nDocumentation/userspace-api/netlink/intro-specs.rst-31-        --do rings-get \\\n--\nDocumentation/userspace-api/netlink/intro-specs.rst=65=tracked by git!) For instance the ``fou_nl.c`` kernel source contains::\nDocumentation/userspace-api/netlink/intro-specs.rst-66-\nDocumentation/userspace-api/netlink/intro-specs.rst:67:  /*\tDocumentation/netlink/specs/fou.yaml */\nDocumentation/userspace-api/netlink/intro-specs.rst-68-  /* YNL-GEN kernel source */\n--\nDocumentation/userspace-api/netlink/specs.rst=15=Internally kernel uses the YAML specs to generate:\n--\nDocumentation/userspace-api/netlink/specs.rst-17- - the C uAPI header\nDocumentation/userspace-api/netlink/specs.rst:18: - documentation of the protocol as a ReST file - see :ref:`Documentation/netlink/specs/index.rst \u003cspecs\u003e`\nDocumentation/userspace-api/netlink/specs.rst-19- - policy tables for input attribute validation\n--\nDocumentation/userspace-api/netlink/specs.rst-21-\nDocumentation/userspace-api/netlink/specs.rst:22:YAML specifications can be found under ``Documentation/netlink/specs/``\nDocumentation/userspace-api/netlink/specs.rst-23-\n--\nMAINTAINERS=1998=T:\tgit git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git\nMAINTAINERS:1999:F:\tDocumentation/netlink/specs/binder.yaml\nMAINTAINERS-2000-F:\tdrivers/android/\n--\nMAINTAINERS=7922=F:\tDocumentation/driver-api/dpll.rst\nMAINTAINERS:7923:F:\tDocumentation/netlink/specs/dpll.yaml\nMAINTAINERS-7924-F:\tdrivers/dpll/\n--\nMAINTAINERS=9661=S:\tMaintained\nMAINTAINERS:9662:F:\tDocumentation/netlink/specs/dev-energymodel.yaml\nMAINTAINERS-9663-F:\tDocumentation/power/energy-model.rst\n--\nMAINTAINERS=11457=S:\tMaintained\nMAINTAINERS:11458:F:\tDocumentation/netlink/specs/handshake.yaml\nMAINTAINERS-11459-F:\tDocumentation/networking/tls-handshake.rst\n--\nMAINTAINERS=18980=M:\tJakub Kicinski \u003ckuba@kernel.org\u003e\nMAINTAINERS:18981:F:\tDocumentation/netlink/specs/ethtool.yaml\nMAINTAINERS-18982-F:\tDocumentation/networking/ethtool-netlink.rst\n--\nMAINTAINERS=19132=S:\tMaintained\nMAINTAINERS:19133:F:\tDocumentation/netlink/specs/rt-addr.yaml\nMAINTAINERS:19134:F:\tDocumentation/netlink/specs/rt-neigh.yaml\nMAINTAINERS:19135:F:\tDocumentation/netlink/specs/rt-route.yaml\nMAINTAINERS:19136:F:\tDocumentation/netlink/specs/rt-rule.yaml\nMAINTAINERS-19137-F:\tinclude/linux/inetdevice.h\n--\nMAINTAINERS=19221=T:\tgit https://github.com/multipath-tcp/mptcp_net-next.git export\nMAINTAINERS:19222:F:\tDocumentation/netlink/specs/mptcp_pm.yaml\nMAINTAINERS-19223-F:\tDocumentation/networking/mptcp*.rst\n--\nMAINTAINERS=20530=T:\tgit https://github.com/OpenVPN/ovpn-net-next.git\nMAINTAINERS:20531:F:\tDocumentation/netlink/specs/ovpn.yaml\nMAINTAINERS-20532-F:\tdrivers/net/ovpn/\n--\nMAINTAINERS=21936=M:\tWillem de Bruijn \u003cwillemdebruijn.kernel@gmail.com\u003e\nMAINTAINERS:21937:F:\tDocumentation/netlink/specs/psp.yaml\nMAINTAINERS-21938-F:\tDocumentation/networking/psp.rst\n--\nMAINTAINERS=26810=S:\tSupported\nMAINTAINERS:26811:F:\tDocumentation/netlink/specs/team.yaml\nMAINTAINERS-26812-F:\tdrivers/net/team/\n--\nMAINTAINERS=29448=S:\tMaintained\nMAINTAINERS:29449:F:\tDocumentation/netlink/specs/wireguard.yaml\nMAINTAINERS-29450-F:\tdrivers/net/wireguard/\n--\ndrivers/android/binder/netlink.rs-1-// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)\ndrivers/android/binder/netlink.rs:2:/* Based on: Documentation/netlink/specs/binder.yaml */\ndrivers/android/binder/netlink.rs-3-\n--\ndrivers/android/binder_netlink.c-2-/* Do not edit directly, auto-generated from: */\ndrivers/android/binder_netlink.c:3:/*\tDocumentation/netlink/specs/binder.yaml */\ndrivers/android/binder_netlink.c-4-/* YNL-GEN kernel source */\n--\ndrivers/android/binder_netlink.h-2-/* Do not edit directly, auto-generated from: */\ndrivers/android/binder_netlink.h:3:/*\tDocumentation/netlink/specs/binder.yaml */\ndrivers/android/binder_netlink.h-4-/* YNL-GEN kernel header */\n--\ndrivers/dpll/dpll_nl.c-2-/* Do not edit directly, auto-generated from: */\ndrivers/dpll/dpll_nl.c:3:/*\tDocumentation/netlink/specs/dpll.yaml */\ndrivers/dpll/dpll_nl.c-4-/* YNL-GEN kernel source */\n--\ndrivers/dpll/dpll_nl.h-2-/* Do not edit directly, auto-generated from: */\ndrivers/dpll/dpll_nl.h:3:/*\tDocumentation/netlink/specs/dpll.yaml */\ndrivers/dpll/dpll_nl.h-4-/* YNL-GEN kernel header */\n--\ndrivers/gpu/drm/drm_ras_nl.c-2-/* Do not edit directly, auto-generated from: */\ndrivers/gpu/drm/drm_ras_nl.c:3:/*\tDocumentation/netlink/specs/drm_ras.yaml */\ndrivers/gpu/drm/drm_ras_nl.c-4-/* YNL-GEN kernel source */\n--\ndrivers/gpu/drm/drm_ras_nl.h-2-/* Do not edit directly, auto-generated from: */\ndrivers/gpu/drm/drm_ras_nl.h:3:/*\tDocumentation/netlink/specs/drm_ras.yaml */\ndrivers/gpu/drm/drm_ras_nl.h-4-/* YNL-GEN kernel header */\n--\ndrivers/net/ovpn/netlink-gen.c-2-/* Do not edit directly, auto-generated from: */\ndrivers/net/ovpn/netlink-gen.c:3:/*\tDocumentation/netlink/specs/ovpn.yaml */\ndrivers/net/ovpn/netlink-gen.c-4-/* YNL-GEN kernel source */\n--\ndrivers/net/ovpn/netlink-gen.h-2-/* Do not edit directly, auto-generated from: */\ndrivers/net/ovpn/netlink-gen.h:3:/*\tDocumentation/netlink/specs/ovpn.yaml */\ndrivers/net/ovpn/netlink-gen.h-4-/* YNL-GEN kernel header */\n--\ndrivers/net/team/team_nl.c-2-/* Do not edit directly, auto-generated from: */\ndrivers/net/team/team_nl.c:3:/*\tDocumentation/netlink/specs/team.yaml */\ndrivers/net/team/team_nl.c-4-/* YNL-GEN kernel source */\n--\ndrivers/net/team/team_nl.h-2-/* Do not edit directly, auto-generated from: */\ndrivers/net/team/team_nl.h:3:/*\tDocumentation/netlink/specs/team.yaml */\ndrivers/net/team/team_nl.h-4-/* YNL-GEN kernel header */\n--\ndrivers/net/wireguard/generated/netlink.c-2-/* Do not edit directly, auto-generated from: */\ndrivers/net/wireguard/generated/netlink.c:3:/*\tDocumentation/netlink/specs/wireguard.yaml */\ndrivers/net/wireguard/generated/netlink.c-4-/* YNL-GEN kernel source */\n--\ndrivers/net/wireguard/generated/netlink.h-2-/* Do not edit directly, auto-generated from: */\ndrivers/net/wireguard/generated/netlink.h:3:/*\tDocumentation/netlink/specs/wireguard.yaml */\ndrivers/net/wireguard/generated/netlink.h-4-/* YNL-GEN kernel header */\n--\nfs/lockd/netlink.c-2-/* Do not edit directly, auto-generated from: */\nfs/lockd/netlink.c:3:/*\tDocumentation/netlink/specs/lockd.yaml */\nfs/lockd/netlink.c-4-/* YNL-GEN kernel source */\n--\nfs/lockd/netlink.h-2-/* Do not edit directly, auto-generated from: */\nfs/lockd/netlink.h:3:/*\tDocumentation/netlink/specs/lockd.yaml */\nfs/lockd/netlink.h-4-/* YNL-GEN kernel header */\n--\nfs/nfsd/netlink.c-2-/* Do not edit directly, auto-generated from: */\nfs/nfsd/netlink.c:3:/*\tDocumentation/netlink/specs/nfsd.yaml */\nfs/nfsd/netlink.c-4-/* YNL-GEN kernel source */\n--\nfs/nfsd/netlink.h-2-/* Do not edit directly, auto-generated from: */\nfs/nfsd/netlink.h:3:/*\tDocumentation/netlink/specs/nfsd.yaml */\nfs/nfsd/netlink.h-4-/* YNL-GEN kernel header */\n--\ninclude/net/xdp.h=564=void xdp_attachment_setup(struct xdp_attachment_info *info,\n--\ninclude/net/xdp.h-571- * - xdp_rx_metadata enum\ninclude/net/xdp.h:572: * - netdev netlink enum (Documentation/netlink/specs/netdev.yaml)\ninclude/net/xdp.h-573- * - kfunc name\n--\ninclude/uapi/drm/drm_ras.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/drm/drm_ras.h:3:/*\tDocumentation/netlink/specs/drm_ras.yaml */\ninclude/uapi/drm/drm_ras.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/drm/xe_drm.h=2516=struct drm_xe_exec_queue_set_property {\n--\ninclude/uapi/drm/xe_drm.h-2536- * The enums and strings defined below map to the attributes of the DRM RAS Netlink Interface.\ninclude/uapi/drm/xe_drm.h:2537: * Refer to Documentation/netlink/specs/drm_ras.yaml for complete interface specification.\ninclude/uapi/drm/xe_drm.h-2538- *\n--\ninclude/uapi/linux/android/binder_netlink.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/android/binder_netlink.h:3:/*\tDocumentation/netlink/specs/binder.yaml */\ninclude/uapi/linux/android/binder_netlink.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/dev_energymodel.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/dev_energymodel.h:3:/*\tDocumentation/netlink/specs/dev-energymodel.yaml */\ninclude/uapi/linux/dev_energymodel.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/devlink.h=412=enum devlink_attr {\n--\ninclude/uapi/linux/devlink.h-653-\t/* Add new attributes above here, update the spec in\ninclude/uapi/linux/devlink.h:654:\t * Documentation/netlink/specs/devlink.yaml and re-generate\ninclude/uapi/linux/devlink.h-655-\t * net/devlink/netlink_gen.c.\n--\ninclude/uapi/linux/dpll.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/dpll.h:3:/*\tDocumentation/netlink/specs/dpll.yaml */\ninclude/uapi/linux/dpll.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/ethtool_netlink_generated.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/ethtool_netlink_generated.h:3:/*\tDocumentation/netlink/specs/ethtool.yaml */\ninclude/uapi/linux/ethtool_netlink_generated.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/fou.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/fou.h:3:/*\tDocumentation/netlink/specs/fou.yaml */\ninclude/uapi/linux/fou.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/handshake.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/handshake.h:3:/*\tDocumentation/netlink/specs/handshake.yaml */\ninclude/uapi/linux/handshake.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/if_team.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/if_team.h:3:/*\tDocumentation/netlink/specs/team.yaml */\ninclude/uapi/linux/if_team.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/lockd_netlink.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/lockd_netlink.h:3:/*\tDocumentation/netlink/specs/lockd.yaml */\ninclude/uapi/linux/lockd_netlink.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/mptcp_pm.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/mptcp_pm.h:3:/*\tDocumentation/netlink/specs/mptcp_pm.yaml */\ninclude/uapi/linux/mptcp_pm.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/net_shaper.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/net_shaper.h:3:/*\tDocumentation/netlink/specs/net_shaper.yaml */\ninclude/uapi/linux/net_shaper.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/netdev.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/netdev.h:3:/*\tDocumentation/netlink/specs/netdev.yaml */\ninclude/uapi/linux/netdev.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/nfsd_netlink.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/nfsd_netlink.h:3:/*\tDocumentation/netlink/specs/nfsd.yaml */\ninclude/uapi/linux/nfsd_netlink.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/ovpn.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/ovpn.h:3:/*\tDocumentation/netlink/specs/ovpn.yaml */\ninclude/uapi/linux/ovpn.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/psp.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/psp.h:3:/*\tDocumentation/netlink/specs/psp.yaml */\ninclude/uapi/linux/psp.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/sunrpc_netlink.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/sunrpc_netlink.h:3:/*\tDocumentation/netlink/specs/sunrpc_cache.yaml */\ninclude/uapi/linux/sunrpc_netlink.h-4-/* YNL-GEN uapi header */\n--\ninclude/uapi/linux/wireguard.h-2-/* Do not edit directly, auto-generated from: */\ninclude/uapi/linux/wireguard.h:3:/*\tDocumentation/netlink/specs/wireguard.yaml */\ninclude/uapi/linux/wireguard.h-4-/* YNL-GEN uapi header */\n--\nkernel/power/em_netlink_autogen.c-2-/* Do not edit directly, auto-generated from: */\nkernel/power/em_netlink_autogen.c:3:/*\tDocumentation/netlink/specs/dev-energymodel.yaml */\nkernel/power/em_netlink_autogen.c-4-/* YNL-GEN kernel source */\n--\nkernel/power/em_netlink_autogen.h-2-/* Do not edit directly, auto-generated from: */\nkernel/power/em_netlink_autogen.h:3:/*\tDocumentation/netlink/specs/dev-energymodel.yaml */\nkernel/power/em_netlink_autogen.h-4-/* YNL-GEN kernel header */\n--\nnet/core/netdev-genl-gen.c-2-/* Do not edit directly, auto-generated from: */\nnet/core/netdev-genl-gen.c:3:/*\tDocumentation/netlink/specs/netdev.yaml */\nnet/core/netdev-genl-gen.c-4-/* YNL-GEN kernel source */\n--\nnet/core/netdev-genl-gen.h-2-/* Do not edit directly, auto-generated from: */\nnet/core/netdev-genl-gen.h:3:/*\tDocumentation/netlink/specs/netdev.yaml */\nnet/core/netdev-genl-gen.h-4-/* YNL-GEN kernel header */\n--\nnet/devlink/netlink_gen.c-2-/* Do not edit directly, auto-generated from: */\nnet/devlink/netlink_gen.c:3:/*\tDocumentation/netlink/specs/devlink.yaml */\nnet/devlink/netlink_gen.c-4-/* YNL-GEN kernel source */\n--\nnet/devlink/netlink_gen.h-2-/* Do not edit directly, auto-generated from: */\nnet/devlink/netlink_gen.h:3:/*\tDocumentation/netlink/specs/devlink.yaml */\nnet/devlink/netlink_gen.h-4-/* YNL-GEN kernel header */\n--\nnet/handshake/genl.c-2-/* Do not edit directly, auto-generated from: */\nnet/handshake/genl.c:3:/*\tDocumentation/netlink/specs/handshake.yaml */\nnet/handshake/genl.c-4-/* YNL-GEN kernel source */\n--\nnet/handshake/genl.h-2-/* Do not edit directly, auto-generated from: */\nnet/handshake/genl.h:3:/*\tDocumentation/netlink/specs/handshake.yaml */\nnet/handshake/genl.h-4-/* YNL-GEN kernel header */\n--\nnet/ipv4/fou_nl.c-2-/* Do not edit directly, auto-generated from: */\nnet/ipv4/fou_nl.c:3:/*\tDocumentation/netlink/specs/fou.yaml */\nnet/ipv4/fou_nl.c-4-/* YNL-GEN kernel source */\n--\nnet/ipv4/fou_nl.h-2-/* Do not edit directly, auto-generated from: */\nnet/ipv4/fou_nl.h:3:/*\tDocumentation/netlink/specs/fou.yaml */\nnet/ipv4/fou_nl.h-4-/* YNL-GEN kernel header */\n--\nnet/mptcp/mptcp_pm_gen.c-2-/* Do not edit directly, auto-generated from: */\nnet/mptcp/mptcp_pm_gen.c:3:/*\tDocumentation/netlink/specs/mptcp_pm.yaml */\nnet/mptcp/mptcp_pm_gen.c-4-/* YNL-GEN kernel source */\n--\nnet/mptcp/mptcp_pm_gen.h-2-/* Do not edit directly, auto-generated from: */\nnet/mptcp/mptcp_pm_gen.h:3:/*\tDocumentation/netlink/specs/mptcp_pm.yaml */\nnet/mptcp/mptcp_pm_gen.h-4-/* YNL-GEN kernel header */\n--\nnet/psp/psp-nl-gen.c-2-/* Do not edit directly, auto-generated from: */\nnet/psp/psp-nl-gen.c:3:/*\tDocumentation/netlink/specs/psp.yaml */\nnet/psp/psp-nl-gen.c-4-/* YNL-GEN kernel source */\n--\nnet/psp/psp-nl-gen.h-2-/* Do not edit directly, auto-generated from: */\nnet/psp/psp-nl-gen.h:3:/*\tDocumentation/netlink/specs/psp.yaml */\nnet/psp/psp-nl-gen.h-4-/* YNL-GEN kernel header */\n--\nnet/shaper/shaper_nl_gen.c-2-/* Do not edit directly, auto-generated from: */\nnet/shaper/shaper_nl_gen.c:3:/*\tDocumentation/netlink/specs/net_shaper.yaml */\nnet/shaper/shaper_nl_gen.c-4-/* YNL-GEN kernel source */\n--\nnet/shaper/shaper_nl_gen.h-2-/* Do not edit directly, auto-generated from: */\nnet/shaper/shaper_nl_gen.h:3:/*\tDocumentation/netlink/specs/net_shaper.yaml */\nnet/shaper/shaper_nl_gen.h-4-/* YNL-GEN kernel header */\n--\nnet/sunrpc/netlink.c-2-/* Do not edit directly, auto-generated from: */\nnet/sunrpc/netlink.c:3:/*\tDocumentation/netlink/specs/sunrpc_cache.yaml */\nnet/sunrpc/netlink.c-4-/* YNL-GEN kernel source */\n--\nnet/sunrpc/netlink.h-2-/* Do not edit directly, auto-generated from: */\nnet/sunrpc/netlink.h:3:/*\tDocumentation/netlink/specs/sunrpc_cache.yaml */\nnet/sunrpc/netlink.h-4-/* YNL-GEN kernel header */\n--\ntools/include/uapi/linux/netdev.h-2-/* Do not edit directly, auto-generated from: */\ntools/include/uapi/linux/netdev.h:3:/*\tDocumentation/netlink/specs/netdev.yaml */\ntools/include/uapi/linux/netdev.h-4-/* YNL-GEN uapi header */\n--\ntools/net/ynl/Makefile=14=includedir ?= $(prefix)/include\ntools/net/ynl/Makefile-15-\ntools/net/ynl/Makefile:16:SPECDIR=../../../Documentation/netlink/specs\ntools/net/ynl/Makefile-17-\n--\ntools/net/ynl/generated/Makefile=23=TOOL_RST:=../pyynl/ynl_gen_rst.py\ntools/net/ynl/generated/Makefile-24-\ntools/net/ynl/generated/Makefile:25:SPECS_DIR:=../../../../Documentation/netlink/specs\ntools/net/ynl/generated/Makefile-26-SPECS_PATHS=$(wildcard $(SPECS_DIR)/*.yaml)\n--\ntools/testing/selftests/net/lib/Makefile=8=TEST_FILES := \\\ntools/testing/selftests/net/lib/Makefile-9-\t../../../../net/ynl \\\ntools/testing/selftests/net/lib/Makefile:10:\t../../../../../Documentation/netlink/specs \\\ntools/testing/selftests/net/lib/Makefile-11-\tksft_setup_loopback.sh \\\n--\ntools/testing/selftests/net/lib/py/ynl.py=9=try:\n--\ntools/testing/selftests/net/lib/py/ynl.py-19-        tools_full_path = KSRC / \"tools\"\ntools/testing/selftests/net/lib/py/ynl.py:20:        SPEC_PATH = KSRC / \"Documentation/netlink/specs\"\ntools/testing/selftests/net/lib/py/ynl.py-21-\n--\ntools/testing/selftests/net/ynl.mk=13=YNL_SPECS := \\\ntools/testing/selftests/net/ynl.mk:14:\t$(patsubst %,$(top_srcdir)/Documentation/netlink/specs/%.yaml,$(YNL_GENS))\ntools/testing/selftests/net/ynl.mk-15-\n"
}
5/2 2026/09/27 16:17 llm patch-evaluator
0m Model: 
gemini-3.8-flash

Args: 
null

Results: 
null

Tokens: 
							input: 13005
							output: 28
							thoughts: 399

Thoughts: 
**Analyzing Potential Code Generation from YAML Netlink Specifications**

Okay, so I'm looking at this commit and my immediate thought is to figure out if it necessitates any code regeneration. I see that the changes are confined to the `Documentation/netlink/specs/` directory – specifically YAML files. I know these YAML files, in theory, feed into the YNL generator, which in turn outputs C files or uAPI headers. But, is it triggered here?

My first instinct is to confirm whether the commit actually *modified* any C files. A quick `git status` check, or ideally a comparison between `HEAD~1` and this commit, would have confirmed. However, I have the diff right here. Thankfully, the provided diff confirms it – it's all documentation changes. That confirms there are no C files directly touched by this commit.

So, the next question is if the kernel's build process *automatically* regenerates those C files from the updated YAML specs. I need to understand if there is an automated process when a standard kernel build runs. I need to see if a make rule exists, or something similar, that links these documentation files to C generation. My best bet would be looking into `net/devlink/Makefile`, `Kbuild`, or even the top-level `Makefile`. That should reveal whether the build system detects changes to the YAML files and triggers a code generation step as part of a standard build.

6/2 2026/09/27 16:18 tool grepper
0m Args: 
{
  "Expression": "netlink_gen",
  "PathPrefix": "net/devlink"
}

Results: 
{
  "Output": "net/devlink/Makefile-2-\nnet/devlink/Makefile:3:obj-y := core.o netlink.o netlink_gen.o dev.o port.o sb.o dpipe.o \\\nnet/devlink/Makefile-4-\t resource.o param.o region.o health.o trap.o rate.o linecard.o sh_dev.o\n--\nnet/devlink/devl_internal.h-18-\nnet/devlink/devl_internal.h:19:#include \"netlink_gen.h\"\nnet/devlink/devl_internal.h-20-\n--\nnet/devlink/netlink_gen.c-9-\nnet/devlink/netlink_gen.c:10:#include \"netlink_gen.h\"\nnet/devlink/netlink_gen.c-11-\n"
}
7/2 2026/09/27 16:18 llm patch-evaluator
0m Model: 
gemini-3.8-flash

Args: 
null

Results: 
null

Tokens: 
							input: 13949
							output: 37
							thoughts: 77

Thoughts: 
Here's my analysis of the `net/devlink` build process, focusing on `netlink_gen.c`:

**Devlink Netlink Generation: A Code Dive**

Okay, I'm examining the `net/devlink/Makefile`. The `obj-y` line shows that `netlink_gen.o` is being included. Interesting. Now, the critical piece here is that `netlink_gen.c` is *already* in the git repository. That's not always the case with generated code – often it's created during the build process itself via some build rule. That makes me wonder *why* this one's different. I'm going to quickly check the top of the file `net/devlink/netlink_gen.c` to look for a telltale comment or structure that suggests it's autogenerated. If it's not generated during `make vmlinux`, it implies a different generation step, or possibly that this code is hand-maintained for this project specifically. Let's see...

8/2 2026/09/27 16:18 tool read-file
0m Args: 
{
  "File": "net/devlink/netlink_gen.c",
  "FirstLine": 1,
  "LineCount": 20
}

Results: 
{
  "Contents": "   1:\t// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)\n   2:\t/* Do not edit directly, auto-generated from: */\n   3:\t/*\tDocumentation/netlink/specs/devlink.yaml */\n   4:\t/* YNL-GEN kernel source */\n   5:\t/* To regenerate run: tools/net/ynl/ynl-regen.sh */\n   6:\t\n   7:\t#include \u003cnet/netlink.h\u003e\n   8:\t#include \u003cnet/genetlink.h\u003e\n   9:\t\n  10:\t#include \"netlink_gen.h\"\n  11:\t\n  12:\t#include \u003cuapi/linux/devlink.h\u003e\n  13:\t\n  14:\t/* Integer value ranges */\n  15:\tstatic const struct netlink_range_validation devlink_attr_index_range = {\n  16:\t\t.max\t= U32_MAX,\n  17:\t};\n  18:\t\n  19:\t/* Sparse enums validation callbacks */\n  20:\tstatic int\n"
}
9/2 2026/09/27 16:18 llm patch-evaluator
0m Model: 
gemini-3.8-flash

Args: 
null

Results: 
null

Tokens: 
							input: 14579
							output: 25
							thoughts: 528

Thoughts: 
**Analysis of Code Change for Fuzzing Eligibility**

Okay, let's break this down. Line 5 immediately flags a potential red herring: `/* To regenerate run: tools/net/ynl/ynl-regen.sh */`. It points to auto-generated files using a script (`ynl-regen.sh`) that are *usually* regenerated, but not in this specific commit. That's the first important point – no C files or headers were actually touched this time.

Now, let's apply the *negative* criteria from Section 2. We're looking for reasons to *not* fuzz. The criteria state we should return `WorthFuzzing=false` if the changes fall *exclusively* into certain categories. Specifically, we're looking at changes that:

*   Are Non-kernel and non-executable.
*   Involve Modifications to Documentation/, comments, or spelling fixes.
*   Are User-space directories, self-tests, samples, or scripts that do not affect the compiled kernel image (vmlinux).

Looking at the commit, it's pretty clear: the modified files are all under `Documentation/netlink/specs/`: `devlink.yaml`, `ethtool.yaml`, `nl80211.yaml`, `rt-link.yaml`, and `tc.yaml`. These are YAML specifications, pure documentation files used by tools like YNL and pyynl, and ultimately for ReST documentation generation. They are *definitely* not part of the kernel's compiled image or any kernel modules. They are documentation.

Therefore, this is a clear fit for the "Modifications to Documentation/" category. No C code has been touched, the changes are purely descriptive.

Consequently, my conclusion is that `WorthFuzzing` should be `false`. Since there's nothing to fuzz, `FocusSymbols` and `EnableConfigs` should both be empty arrays: `[]`.

However, before making a final decision, I'll perform one last sanity check. I need to be *absolutely* sure that none of these YAML files, in some convoluted build process, are used as an input to generate *anything* that eventually gets compiled into the kernel. So, I need to check the top-level `Makefile`, `Kbuild` files, and the relevant `net/Makefile` to verify there's *no* build rule that references or uses these spec files in any way that would affect the kernel's output. It's a long shot, but worth the quick double-check.

10/2 2026/09/27 16:18 tool grepper
0m Error: 
no matches

Args: 
{
  "Expression": "Documentation/netlink",
  "PathPrefix": "Makefile"
}

Results: 
{
  "error": "no matches"
}
11/2 2026/09/27 16:18 llm patch-evaluator
0m Model: 
gemini-3.8-flash

Args: 
null

Results: 
null

Tokens: 
							input: 15689
							output: 18
							thoughts: 26

Thoughts: 
Here's my thought process, as requested:

**Debugging the `ynl` Usage in the Kernel**

Okay, so I need to track down where this `ynl` function is being used. Given that it's a kernel function, the first place I'm going to start looking is within the build system (`Kbuild` files) and common script locations (`scripts/`). Those are the typical places where you'd find cross-references and potential hints about how a module or functionality is integrated. If I don't turn anything up there, or if I'm not finding the context I need, I'll branch out to likely areas of functionality. Networking is a solid bet for a function with a name like this. So, my next targeted search will be within the `net/` directory. That seems like the most logical path for investigation given what I know. Let's start with a focused grep and see what we get!

12/2 2026/09/27 16:18 tool grepper
0m Error: 
no matches

Args: 
{
  "Expression": "ynl-gen"
}

Results: 
{
  "error": "no matches"
}
13/2 2026/09/27 16:18 llm patch-evaluator
0m Model: 
gemini-3.8-flash

Args: 
null

Results: 
null

Tokens: 
							input: 15945
							output: 39
							thoughts: 25

Thoughts: 
Here's a first-person summary, tailored for an expert audience, based on the provided thought:

**Diving into the YNL Regeneration Script**

Okay, let's get down to brass tacks. My initial thought process is to immediately jump into `tools/net/ynl/ynl-regen.sh`. I need to understand the mechanics of this YNL regeneration process. I'm going to want to examine the script's logic, its dependencies, and, critically, how it integrates with the overall network configuration. I'm looking for the triggers, the inputs it consumes, and the output it generates. I'll need to identify any potential bottlenecks, areas for optimization, or vulnerabilities in the regeneration process itself. A good understanding of this script is fundamental for anything relating to the YNL setup, and I need to make sure I'm across the details.

14/2 2026/09/27 16:18 tool read-file
0m Args: 
{
  "File": "tools/net/ynl/ynl-regen.sh",
  "FirstLine": 1,
  "LineCount": 40
}

Results: 
{
  "Contents": "   1:\t#!/bin/bash\n   2:\t# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause\n   3:\t\n   4:\tTOOL=$(dirname $(realpath $0))/pyynl/ynl_gen_c.py\n   5:\t\n   6:\tforce=\n   7:\tsearch=\n   8:\t\n   9:\twhile [ ! -z \"$1\" ]; do\n  10:\t  case \"$1\" in\n  11:\t    -f ) force=yes; shift ;;\n  12:\t    -p ) search=$2; shift 2 ;;\n  13:\t    * )  echo \"Unrecognized option '$1'\"; exit 1 ;;\n  14:\t  esac\n  15:\tdone\n  16:\t\n  17:\tKDIR=$(dirname $(dirname $(dirname $(dirname $(realpath $0)))))\n  18:\tpushd ${search:-$KDIR} \u003e\u003e/dev/null\n  19:\t\n  20:\tfiles=$(git grep --files-with-matches '^/\\* YNL-GEN \\(kernel\\|uapi\\|user\\)')\n  21:\tfor f in $files; do\n  22:\t    # params:     0       1      2     3\n  23:\t    #         $YAML YNL-GEN kernel $mode\n  24:\t    params=( $(git grep --no-line-number -B1 -h '/\\* YNL-GEN' $f | sed 's@/\\*\\(.*\\)\\*/@\\1@') )\n  25:\t    args=$(sed -n 's@/\\* YNL-ARG \\(.*\\) \\*/@\\1@p' $f)\n  26:\t\n  27:\t    if [ $f -nt ${params[0]} -a -z \"$force\" ]; then\n  28:\t\techo -e \"\\tSKIP $f\"\n  29:\t\tcontinue\n  30:\t    fi\n  31:\t\n  32:\t    echo -e \"\\tGEN ${params[2]}\\t$f\"\n  33:\t    $TOOL --cmp-out --mode ${params[2]} --${params[3]} \\\n  34:\t\t  --spec $KDIR/${params[0]} $args -o $f\n  35:\tdone\n  36:\t\n  37:\tpopd \u003e\u003e/dev/null\n"
}
15/2 2026/09/27 16:18 llm patch-evaluator
0m Model: 
gemini-3.8-flash

Args: 
null

Results: 
null

Tokens: 
							input: 16776
							output: 114
							thoughts: 311

Thoughts: 
**WorthFuzzing Decision for Netlink Documentation Update**

Okay, so I'm looking at this patch and it's pretty clear: `tools/net/ynl/ynl-regen.sh` is a utility script, not part of the kernel build itself. And the changes are entirely confined to `Documentation/netlink/specs/` – specifically `devlink.yaml`, `ethtool.yaml`, `nl80211.yaml`, `rt-link.yaml`, and `tc.yaml`. No C code, no headers, no kernel internals are touched. This is pure documentation.

Now, according to the guidelines, specifically section 2, we *only* set `WorthFuzzing=false` if all modified code strictly falls into one of these categories: non-kernel and non-executable changes, including modifications to `Documentation/`, comments, or spelling fixes.

Therefore, `WorthFuzzing = false`. No need to fuzz this.

Given that no kernel code is touched, the patch doesn't introduce any new symbols to worry about, so `FocusSymbols = []`.  Similarly, we don't need to enable any specific configurations for this, so `EnableConfigs = []`.

My reasoning is straightforward: the patch is just about modifying Netlink YAML specification files under `Documentation/netlink/specs/`. It's fixing enum/flag naming, ordering, values, and flags, nothing that's actually *executed* by the kernel. These files aren't compiled into the vmlinux or any kernel modules. This is just documentation, plain and simple.

Time to call `set-results`.

16/2 2026/09/27 16:18 tool set-results
0m Args: 
{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch modifies only Netlink YAML specification files under Documentation/netlink/specs/ (devlink.yaml, ethtool.yaml, nl80211.yaml, rt-link.yaml, and tc.yaml) to correct schema definitions and flag names. No executable kernel code, uAPI headers, or generated C source files are modified or built into vmlinux/kernel modules.",
  "WorthFuzzing": false
}

Results: 
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch modifies only Netlink YAML specification files under Documentation/netlink/specs/ (devlink.yaml, ethtool.yaml, nl80211.yaml, rt-link.yaml, and tc.yaml) to correct schema definitions and flag names. No executable kernel code, uAPI headers, or generated C source files are modified or built into vmlinux/kernel modules.",
  "WorthFuzzing": false
}
17/1 2026/09/27 16:18 action If
0m Args: 
{
  "WorthFuzzing": false
}

Results: 
null
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)