AI Trajectory

Trajectory: (Expand/Collapse All)
Seq	Timestamp	Type	Name	Duration
0/0	2026/07/10 16:32	flow	patch-triage	0m Args: null Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only modifies configuration files for BPF selftests, removing CONFIG_IPV6_SEG6_LWTUNNEL. It does not contain any functional changes to the kernel code.", "WorthFuzzing": false }
1/1	2026/07/10 16:32	action	read-patch-diff	0m Args: null Results: { "PatchDiff": "commit 916806dadd234bbf399e7125d05e197cec19a6f2\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Fri Jul 10 16:32:53 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/tools/testing/selftests/bpf/config.aarch64 b/tools/testing/selftests/bpf/config.aarch64\nindex 7efad36ceb26f2..fc85257701dc98 100644\n--- a/tools/testing/selftests/bpf/config.aarch64\n+++ b/tools/testing/selftests/bpf/config.aarch64\n@@ -71,7 +71,6 @@ CONFIG_INPUT_EVDEV=y\n CONFIG_IP_ADVANCED_ROUTER=y\n CONFIG_IP_MULTICAST=y\n CONFIG_IP_MULTIPLE_TABLES=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_IPVLAN=y\n CONFIG_JUMP_LABEL=y\n CONFIG_KERNEL_UNCOMPRESSED=y\ndiff --git a/tools/testing/selftests/bpf/config.ppc64el b/tools/testing/selftests/bpf/config.ppc64el\nindex b53afb5e0b71e2..5685fa4ee82b70 100644\n--- a/tools/testing/selftests/bpf/config.ppc64el\n+++ b/tools/testing/selftests/bpf/config.ppc64el\n@@ -39,7 +39,6 @@ CONFIG_INET=y\n CONFIG_IP_ADVANCED_ROUTER=y\n CONFIG_IP_MULTICAST=y\n CONFIG_IP_MULTIPLE_TABLES=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_JUMP_LABEL=y\n CONFIG_KALLSYMS_ALL=y\n CONFIG_KPROBES=y\ndiff --git a/tools/testing/selftests/bpf/config.riscv64 b/tools/testing/selftests/bpf/config.riscv64\nindex 7bee24a79a7103..655cb05a76899d 100644\n--- a/tools/testing/selftests/bpf/config.riscv64\n+++ b/tools/testing/selftests/bpf/config.riscv64\n@@ -30,7 +30,6 @@ CONFIG_HARDLOCKUP_DETECTOR=y\n CONFIG_HIGH_RES_TIMERS=y\n CONFIG_HUGETLBFS=y\n CONFIG_INET=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_IP_ADVANCED_ROUTER=y\n CONFIG_IP_MULTICAST=y\n CONFIG_IP_MULTIPLE_TABLES=y\ndiff --git a/tools/testing/selftests/bpf/config.s390x b/tools/testing/selftests/bpf/config.s390x\nindex db61878148e425..755d1cfcd9e085 100644\n--- a/tools/testing/selftests/bpf/config.s390x\n+++ b/tools/testing/selftests/bpf/config.s390x\n@@ -56,7 +56,6 @@ CONFIG_INET=y\n CONFIG_IP_ADVANCED_ROUTER=y\n CONFIG_IP_MULTICAST=y\n CONFIG_IP_MULTIPLE_TABLES=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_IPVLAN=y\n CONFIG_JUMP_LABEL=y\n CONFIG_KERNEL_UNCOMPRESSED=y\ndiff --git a/tools/testing/selftests/bpf/config.x86_64 b/tools/testing/selftests/bpf/config.x86_64\nindex 42ad817b00aea5..523e0d29bbd43e 100644\n--- a/tools/testing/selftests/bpf/config.x86_64\n+++ b/tools/testing/selftests/bpf/config.x86_64\n@@ -114,7 +114,6 @@ CONFIG_IP_ROUTE_VERBOSE=y\n CONFIG_IPV6_MIP6=y\n CONFIG_IPV6_ROUTE_INFO=y\n CONFIG_IPV6_ROUTER_PREF=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_IPV6_SUBTREES=y\n CONFIG_IRQ_POLL=y\n CONFIG_JUMP_LABEL=y\n" }
2/1	2026/07/10 16:32	agent	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only modifies configuration files for BPF selftests, removing CONFIG_IPV6_SEG6_LWTUNNEL. It does not contain 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 916806dadd234bbf399e7125d05e197cec19a6f2 Author: syz-cluster <triage@syzkaller.com> Date: Fri Jul 10 16:32:53 2026 +0000 syz-cluster: applied patch under review diff --git a/tools/testing/selftests/bpf/config.aarch64 b/tools/testing/selftests/bpf/config.aarch64 index 7efad36ceb26f2..fc85257701dc98 100644 --- a/tools/testing/selftests/bpf/config.aarch64 +++ b/tools/testing/selftests/bpf/config.aarch64 @@ -71,7 +71,6 @@ CONFIG_INPUT_EVDEV=y CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MULTICAST=y CONFIG_IP_MULTIPLE_TABLES=y -CONFIG_IPV6_SEG6_LWTUNNEL=y CONFIG_IPVLAN=y CONFIG_JUMP_LABEL=y CONFIG_KERNEL_UNCOMPRESSED=y diff --git a/tools/testing/selftests/bpf/config.ppc64el b/tools/testing/selftests/bpf/config.ppc64el index b53afb5e0b71e2..5685fa4ee82b70 100644 --- a/tools/testing/selftests/bpf/config.ppc64el +++ b/tools/testing/selftests/bpf/config.ppc64el @@ -39,7 +39,6 @@ CONFIG_INET=y CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MULTICAST=y CONFIG_IP_MULTIPLE_TABLES=y -CONFIG_IPV6_SEG6_LWTUNNEL=y CONFIG_JUMP_LABEL=y CONFIG_KALLSYMS_ALL=y CONFIG_KPROBES=y diff --git a/tools/testing/selftests/bpf/config.riscv64 b/tools/testing/selftests/bpf/config.riscv64 index 7bee24a79a7103..655cb05a76899d 100644 --- a/tools/testing/selftests/bpf/config.riscv64 +++ b/tools/testing/selftests/bpf/config.riscv64 @@ -30,7 +30,6 @@ CONFIG_HARDLOCKUP_DETECTOR=y CONFIG_HIGH_RES_TIMERS=y CONFIG_HUGETLBFS=y CONFIG_INET=y -CONFIG_IPV6_SEG6_LWTUNNEL=y CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MULTICAST=y CONFIG_IP_MULTIPLE_TABLES=y diff --git a/tools/testing/selftests/bpf/config.s390x b/tools/testing/selftests/bpf/config.s390x index db61878148e425..755d1cfcd9e085 100644 --- a/tools/testing/selftests/bpf/config.s390x +++ b/tools/testing/selftests/bpf/config.s390x @@ -56,7 +56,6 @@ CONFIG_INET=y CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MULTICAST=y CONFIG_IP_MULTIPLE_TABLES=y -CONFIG_IPV6_SEG6_LWTUNNEL=y CONFIG_IPVLAN=y CONFIG_JUMP_LABEL=y CONFIG_KERNEL_UNCOMPRESSED=y diff --git a/tools/testing/selftests/bpf/config.x86_64 b/tools/testing/selftests/bpf/config.x86_64 index 42ad817b00aea5..523e0d29bbd43e 100644 --- a/tools/testing/selftests/bpf/config.x86_64 +++ b/tools/testing/selftests/bpf/config.x86_64 @@ -114,7 +114,6 @@ CONFIG_IP_ROUTE_VERBOSE=y CONFIG_IPV6_MIP6=y CONFIG_IPV6_ROUTE_INFO=y CONFIG_IPV6_ROUTER_PREF=y -CONFIG_IPV6_SEG6_LWTUNNEL=y CONFIG_IPV6_SUBTREES=y CONFIG_IRQ_POLL=y CONFIG_JUMP_LABEL=y
3/2	2026/07/10 16:32	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 2726 output: 70 thoughts: 76 Thoughts: My Assessment of the Patch's Impact Okay, let me break this down. This patch is solely concerned with altering the configuration files associated with BPF selftests, specifically within the `tools/testing/selftests/bpf/` directory. The modification boils down to removing the `CONFIG_IPV6_SEG6_LWTUNNEL=y` setting from these configuration files. Since there's absolutely no touching of the kernel code itself – no new functions, no changes to existing data structures, nothing impacting the runtime behavior of the kernel in any way – I'm confident that this change is functionally inert as far as introducing new areas for fuzzing is concerned. There's no new code to explore. Therefore, the `WorthFuzzing` flag? Definitely false. It's a configuration change, not a code modification that would warrant a deeper dive with fuzzing.
4/2	2026/07/10 16:32	tool	set-results	0m Args: { "EnableConfigs": [], "FocusSymbols": [], "Reasoning": "The patch only modifies configuration files for BPF selftests, removing CONFIG_IPV6_SEG6_LWTUNNEL. It does not contain any functional changes to the kernel code.", "WorthFuzzing": false } Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only modifies configuration files for BPF selftests, removing CONFIG_IPV6_SEG6_LWTUNNEL. It does not contain any functional changes to the kernel code.", "WorthFuzzing": false }

Trajectory: (Expand/Collapse All)

Seq

Timestamp

Type

Name

Duration

0/0

2026/07/10 16:32

flow

patch-triage

Args:

null

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies configuration files for BPF selftests, removing CONFIG_IPV6_SEG6_LWTUNNEL. It does not contain any functional changes to the kernel code.",
  "WorthFuzzing": false
}

1/1

2026/07/10 16:32

action

read-patch-diff

Args:

null

Results:

{
  "PatchDiff": "commit 916806dadd234bbf399e7125d05e197cec19a6f2\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Fri Jul 10 16:32:53 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/tools/testing/selftests/bpf/config.aarch64 b/tools/testing/selftests/bpf/config.aarch64\nindex 7efad36ceb26f2..fc85257701dc98 100644\n--- a/tools/testing/selftests/bpf/config.aarch64\n+++ b/tools/testing/selftests/bpf/config.aarch64\n@@ -71,7 +71,6 @@ CONFIG_INPUT_EVDEV=y\n CONFIG_IP_ADVANCED_ROUTER=y\n CONFIG_IP_MULTICAST=y\n CONFIG_IP_MULTIPLE_TABLES=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_IPVLAN=y\n CONFIG_JUMP_LABEL=y\n CONFIG_KERNEL_UNCOMPRESSED=y\ndiff --git a/tools/testing/selftests/bpf/config.ppc64el b/tools/testing/selftests/bpf/config.ppc64el\nindex b53afb5e0b71e2..5685fa4ee82b70 100644\n--- a/tools/testing/selftests/bpf/config.ppc64el\n+++ b/tools/testing/selftests/bpf/config.ppc64el\n@@ -39,7 +39,6 @@ CONFIG_INET=y\n CONFIG_IP_ADVANCED_ROUTER=y\n CONFIG_IP_MULTICAST=y\n CONFIG_IP_MULTIPLE_TABLES=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_JUMP_LABEL=y\n CONFIG_KALLSYMS_ALL=y\n CONFIG_KPROBES=y\ndiff --git a/tools/testing/selftests/bpf/config.riscv64 b/tools/testing/selftests/bpf/config.riscv64\nindex 7bee24a79a7103..655cb05a76899d 100644\n--- a/tools/testing/selftests/bpf/config.riscv64\n+++ b/tools/testing/selftests/bpf/config.riscv64\n@@ -30,7 +30,6 @@ CONFIG_HARDLOCKUP_DETECTOR=y\n CONFIG_HIGH_RES_TIMERS=y\n CONFIG_HUGETLBFS=y\n CONFIG_INET=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_IP_ADVANCED_ROUTER=y\n CONFIG_IP_MULTICAST=y\n CONFIG_IP_MULTIPLE_TABLES=y\ndiff --git a/tools/testing/selftests/bpf/config.s390x b/tools/testing/selftests/bpf/config.s390x\nindex db61878148e425..755d1cfcd9e085 100644\n--- a/tools/testing/selftests/bpf/config.s390x\n+++ b/tools/testing/selftests/bpf/config.s390x\n@@ -56,7 +56,6 @@ CONFIG_INET=y\n CONFIG_IP_ADVANCED_ROUTER=y\n CONFIG_IP_MULTICAST=y\n CONFIG_IP_MULTIPLE_TABLES=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_IPVLAN=y\n CONFIG_JUMP_LABEL=y\n CONFIG_KERNEL_UNCOMPRESSED=y\ndiff --git a/tools/testing/selftests/bpf/config.x86_64 b/tools/testing/selftests/bpf/config.x86_64\nindex 42ad817b00aea5..523e0d29bbd43e 100644\n--- a/tools/testing/selftests/bpf/config.x86_64\n+++ b/tools/testing/selftests/bpf/config.x86_64\n@@ -114,7 +114,6 @@ CONFIG_IP_ROUTE_VERBOSE=y\n CONFIG_IPV6_MIP6=y\n CONFIG_IPV6_ROUTE_INFO=y\n CONFIG_IPV6_ROUTER_PREF=y\n-CONFIG_IPV6_SEG6_LWTUNNEL=y\n CONFIG_IPV6_SUBTREES=y\n CONFIG_IRQ_POLL=y\n CONFIG_JUMP_LABEL=y\n"
}

2/1

2026/07/10 16:32

agent

patch-evaluator

Model:

gemini-3.1-pro-preview

Args:

null

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies configuration files for BPF selftests, removing CONFIG_IPV6_SEG6_LWTUNNEL. It does not contain 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 916806dadd234bbf399e7125d05e197cec19a6f2
Author: syz-cluster <triage@syzkaller.com>
Date:   Fri Jul 10 16:32:53 2026 +0000

    syz-cluster: applied patch under review

diff --git a/tools/testing/selftests/bpf/config.aarch64 b/tools/testing/selftests/bpf/config.aarch64
index 7efad36ceb26f2..fc85257701dc98 100644
--- a/tools/testing/selftests/bpf/config.aarch64
+++ b/tools/testing/selftests/bpf/config.aarch64
@@ -71,7 +71,6 @@ CONFIG_INPUT_EVDEV=y
 CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
-CONFIG_IPV6_SEG6_LWTUNNEL=y
 CONFIG_IPVLAN=y
 CONFIG_JUMP_LABEL=y
 CONFIG_KERNEL_UNCOMPRESSED=y
diff --git a/tools/testing/selftests/bpf/config.ppc64el b/tools/testing/selftests/bpf/config.ppc64el
index b53afb5e0b71e2..5685fa4ee82b70 100644
--- a/tools/testing/selftests/bpf/config.ppc64el
+++ b/tools/testing/selftests/bpf/config.ppc64el
@@ -39,7 +39,6 @@ CONFIG_INET=y
 CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
-CONFIG_IPV6_SEG6_LWTUNNEL=y
 CONFIG_JUMP_LABEL=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KPROBES=y
diff --git a/tools/testing/selftests/bpf/config.riscv64 b/tools/testing/selftests/bpf/config.riscv64
index 7bee24a79a7103..655cb05a76899d 100644
--- a/tools/testing/selftests/bpf/config.riscv64
+++ b/tools/testing/selftests/bpf/config.riscv64
@@ -30,7 +30,6 @@ CONFIG_HARDLOCKUP_DETECTOR=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_HUGETLBFS=y
 CONFIG_INET=y
-CONFIG_IPV6_SEG6_LWTUNNEL=y
 CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
diff --git a/tools/testing/selftests/bpf/config.s390x b/tools/testing/selftests/bpf/config.s390x
index db61878148e425..755d1cfcd9e085 100644
--- a/tools/testing/selftests/bpf/config.s390x
+++ b/tools/testing/selftests/bpf/config.s390x
@@ -56,7 +56,6 @@ CONFIG_INET=y
 CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
-CONFIG_IPV6_SEG6_LWTUNNEL=y
 CONFIG_IPVLAN=y
 CONFIG_JUMP_LABEL=y
 CONFIG_KERNEL_UNCOMPRESSED=y
diff --git a/tools/testing/selftests/bpf/config.x86_64 b/tools/testing/selftests/bpf/config.x86_64
index 42ad817b00aea5..523e0d29bbd43e 100644
--- a/tools/testing/selftests/bpf/config.x86_64
+++ b/tools/testing/selftests/bpf/config.x86_64
@@ -114,7 +114,6 @@ CONFIG_IP_ROUTE_VERBOSE=y
 CONFIG_IPV6_MIP6=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_IPV6_ROUTER_PREF=y
-CONFIG_IPV6_SEG6_LWTUNNEL=y
 CONFIG_IPV6_SUBTREES=y
 CONFIG_IRQ_POLL=y
 CONFIG_JUMP_LABEL=y

3/2

2026/07/10 16:32

llm

patch-evaluator

Model:

gemini-3.1-pro-preview

Args:

null

Results:

null

Tokens:

							input: 2726
							output: 70
							thoughts: 76

Thoughts:

**My Assessment of the Patch's Impact**

Okay, let me break this down. This patch is solely concerned with altering the configuration files associated with BPF selftests, specifically within the `tools/testing/selftests/bpf/` directory. The modification boils down to removing the `CONFIG_IPV6_SEG6_LWTUNNEL=y` setting from these configuration files.

Since there's absolutely no touching of the kernel code itself – no new functions, no changes to existing data structures, nothing impacting the runtime behavior of the kernel in any way – I'm confident that this change is functionally inert as far as introducing new areas for fuzzing is concerned. There's no new code to explore.

Therefore, the `WorthFuzzing` flag? Definitely false. It's a configuration change, not a code modification that would warrant a deeper dive with fuzzing.

4/2

2026/07/10 16:32

tool

set-results

Args:

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies configuration files for BPF selftests, removing CONFIG_IPV6_SEG6_LWTUNNEL. It does not contain any functional changes to the kernel code.",
  "WorthFuzzing": false
}

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies configuration files for BPF selftests, removing CONFIG_IPV6_SEG6_LWTUNNEL. It does not contain 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)