AI Trajectory

Trajectory: (Expand/Collapse All)
Seq	Timestamp	Type	Name	Duration
0/0	2026/07/13 12:12	flow	patch-triage	0m Args: null Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only fixes a typo in a warning message (pr_warn_once) and does not make any functional changes to the kernel logic.", "WorthFuzzing": false }
1/1	2026/07/13 12:12	action	read-patch-diff	0m Args: null Results: { "PatchDiff": "commit 1d8ceda99bc2cae175e4ef4e940b2b03e9da0869\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Mon Jul 13 12:12:09 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c\nindex e8b6e1560278bc..178e1466d8982e 100644\n--- a/mm/memcontrol-v1.c\n+++ b/mm/memcontrol-v1.c\n@@ -1182,13 +1182,13 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file of,\n \t\tevent-\u003eunregister_event = mem_cgroup_usage_unregister_event;\n \t} else if (!strcmp(name, \"memory.oom_control\")) {\n \t\tpr_warn_once(\"oom_control is deprecated and will be removed. \"\n-\t\t\t \"Please report your usecase to linux-mm-@kvack.org\"\n+\t\t\t \"Please report your usecase to linux-mm@kvack.org\"\n \t\t\t \" if you depend on this functionality.\\n\");\n \t\tevent-\u003eregister_event = mem_cgroup_oom_register_event;\n \t\tevent-\u003eunregister_event = mem_cgroup_oom_unregister_event;\n \t} else if (!strcmp(name, \"memory.pressure_level\")) {\n \t\tpr_warn_once(\"pressure_level is deprecated and will be removed. \"\n-\t\t\t \"Please report your usecase to linux-mm-@kvack.org \"\n+\t\t\t \"Please report your usecase to linux-mm@kvack.org \"\n \t\t\t \"if you depend on this functionality.\\n\");\n \t\tevent-\u003eregister_event = vmpressure_register_event;\n \t\tevent-\u003eunregister_event = vmpressure_unregister_event;\n@@ -2340,7 +2340,7 @@ static int mem_cgroup_oom_control_write(struct cgroup_subsys_state css,\n \tstruct mem_cgroup memcg = mem_cgroup_from_css(css);\n \n \tpr_warn_once(\"oom_control is deprecated and will be removed. \"\n-\t\t \"Please report your usecase to linux-mm-@kvack.org if you \"\n+\t\t \"Please report your usecase to linux-mm@kvack.org if you \"\n \t\t \"depend on this functionality.\\n\");\n \n \t/ cannot set to root cgroup and only 0 and 1 are allowed */\n" }
2/1	2026/07/13 12:12	agent	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only fixes a typo in a warning message (pr_warn_once) and does not make any functional changes to the kernel logic.", "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 1d8ceda99bc2cae175e4ef4e940b2b03e9da0869 Author: syz-cluster <triage@syzkaller.com> Date: Mon Jul 13 12:12:09 2026 +0000 syz-cluster: applied patch under review diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c index e8b6e1560278bc..178e1466d8982e 100644 --- a/mm/memcontrol-v1.c +++ b/mm/memcontrol-v1.c @@ -1182,13 +1182,13 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file of, event->unregister_event = mem_cgroup_usage_unregister_event; } else if (!strcmp(name, "memory.oom_control")) { pr_warn_once("oom_control is deprecated and will be removed. " - "Please report your usecase to linux-mm-@kvack.org" + "Please report your usecase to linux-mm@kvack.org" " if you depend on this functionality.\n"); event->register_event = mem_cgroup_oom_register_event; event->unregister_event = mem_cgroup_oom_unregister_event; } else if (!strcmp(name, "memory.pressure_level")) { pr_warn_once("pressure_level is deprecated and will be removed. " - "Please report your usecase to linux-mm-@kvack.org " + "Please report your usecase to linux-mm@kvack.org " "if you depend on this functionality.\n"); event->register_event = vmpressure_register_event; event->unregister_event = vmpressure_unregister_event; @@ -2340,7 +2340,7 @@ static int mem_cgroup_oom_control_write(struct cgroup_subsys_state css, struct mem_cgroup memcg = mem_cgroup_from_css(css); pr_warn_once("oom_control is deprecated and will be removed. " - "Please report your usecase to linux-mm-@kvack.org if you " + "Please report your usecase to linux-mm@kvack.org if you " "depend on this functionality.\n"); / cannot set to root cgroup and only 0 and 1 are allowed */
3/2	2026/07/13 12:12	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 2202 output: 60 thoughts: 79 Thoughts: Okay, here's my take on those thoughts, framed as my own: Minor Tweak to a Warning Message: Purely Cosmetic Alright, so I've got a patch here. It's focused on `mm/memcontrol-v1.c`, and it's a super small fix—a typo, really. Someone used an incorrect email address in a warning message. Specifically, they've got `linux-mm-@kvack.org` where it should be `linux-mm@kvack.org` in a couple of `pr_warn_once` calls. The important thing to note is that this is purely cosmetic. We're talking about a change in a log message; it's not going to affect functionality or introduce any new behavior. Therefore, given that this doesn't touch the code that needs rigorous testing, I'm going to set `WorthFuzzing=false` for this. It's a clean, straightforward fix that improves readability, but doesn't warrant an intensive fuzzing effort. Let's get it merged and move on.
4/2	2026/07/13 12:12	tool	set-results	0m Args: { "EnableConfigs": [], "FocusSymbols": [], "Reasoning": "The patch only fixes a typo in a warning message (pr_warn_once) and does not make any functional changes to the kernel logic.", "WorthFuzzing": false } Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only fixes a typo in a warning message (pr_warn_once) and does not make any functional changes to the kernel logic.", "WorthFuzzing": false }

Trajectory: (Expand/Collapse All)

Seq

Timestamp

Type

Name

Duration

0/0

2026/07/13 12:12

flow

patch-triage

Args:

null

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only fixes a typo in a warning message (pr_warn_once) and does not make any functional changes to the kernel logic.",
  "WorthFuzzing": false
}

1/1

2026/07/13 12:12

action

read-patch-diff

Args:

null

Results:

{
  "PatchDiff": "commit 1d8ceda99bc2cae175e4ef4e940b2b03e9da0869\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Mon Jul 13 12:12:09 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c\nindex e8b6e1560278bc..178e1466d8982e 100644\n--- a/mm/memcontrol-v1.c\n+++ b/mm/memcontrol-v1.c\n@@ -1182,13 +1182,13 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of,\n \t\tevent-\u003eunregister_event = mem_cgroup_usage_unregister_event;\n \t} else if (!strcmp(name, \"memory.oom_control\")) {\n \t\tpr_warn_once(\"oom_control is deprecated and will be removed. \"\n-\t\t\t     \"Please report your usecase to linux-mm-@kvack.org\"\n+\t\t\t     \"Please report your usecase to linux-mm@kvack.org\"\n \t\t\t     \" if you depend on this functionality.\\n\");\n \t\tevent-\u003eregister_event = mem_cgroup_oom_register_event;\n \t\tevent-\u003eunregister_event = mem_cgroup_oom_unregister_event;\n \t} else if (!strcmp(name, \"memory.pressure_level\")) {\n \t\tpr_warn_once(\"pressure_level is deprecated and will be removed. \"\n-\t\t\t     \"Please report your usecase to linux-mm-@kvack.org \"\n+\t\t\t     \"Please report your usecase to linux-mm@kvack.org \"\n \t\t\t     \"if you depend on this functionality.\\n\");\n \t\tevent-\u003eregister_event = vmpressure_register_event;\n \t\tevent-\u003eunregister_event = vmpressure_unregister_event;\n@@ -2340,7 +2340,7 @@ static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,\n \tstruct mem_cgroup *memcg = mem_cgroup_from_css(css);\n \n \tpr_warn_once(\"oom_control is deprecated and will be removed. \"\n-\t\t     \"Please report your usecase to linux-mm-@kvack.org if you \"\n+\t\t     \"Please report your usecase to linux-mm@kvack.org if you \"\n \t\t     \"depend on this functionality.\\n\");\n \n \t/* cannot set to root cgroup and only 0 and 1 are allowed */\n"
}

2/1

2026/07/13 12:12

agent

patch-evaluator

Model:

gemini-3.1-pro-preview

Args:

null

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only fixes a typo in a warning message (pr_warn_once) and does not make any functional changes to the kernel logic.",
  "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 1d8ceda99bc2cae175e4ef4e940b2b03e9da0869
Author: syz-cluster <triage@syzkaller.com>
Date:   Mon Jul 13 12:12:09 2026 +0000

    syz-cluster: applied patch under review

diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c
index e8b6e1560278bc..178e1466d8982e 100644
--- a/mm/memcontrol-v1.c
+++ b/mm/memcontrol-v1.c
@@ -1182,13 +1182,13 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of,
 		event->unregister_event = mem_cgroup_usage_unregister_event;
 	} else if (!strcmp(name, "memory.oom_control")) {
 		pr_warn_once("oom_control is deprecated and will be removed. "
-			     "Please report your usecase to linux-mm-@kvack.org"
+			     "Please report your usecase to linux-mm@kvack.org"
 			     " if you depend on this functionality.\n");
 		event->register_event = mem_cgroup_oom_register_event;
 		event->unregister_event = mem_cgroup_oom_unregister_event;
 	} else if (!strcmp(name, "memory.pressure_level")) {
 		pr_warn_once("pressure_level is deprecated and will be removed. "
-			     "Please report your usecase to linux-mm-@kvack.org "
+			     "Please report your usecase to linux-mm@kvack.org "
 			     "if you depend on this functionality.\n");
 		event->register_event = vmpressure_register_event;
 		event->unregister_event = vmpressure_unregister_event;
@@ -2340,7 +2340,7 @@ static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,
 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);
 
 	pr_warn_once("oom_control is deprecated and will be removed. "
-		     "Please report your usecase to linux-mm-@kvack.org if you "
+		     "Please report your usecase to linux-mm@kvack.org if you "
 		     "depend on this functionality.\n");
 
 	/* cannot set to root cgroup and only 0 and 1 are allowed */

3/2

2026/07/13 12:12

llm

patch-evaluator

Model:

gemini-3.1-pro-preview

Args:

null

Results:

null

Tokens:

							input: 2202
							output: 60
							thoughts: 79

Thoughts:

Okay, here's my take on those thoughts, framed as my own:

**Minor Tweak to a Warning Message: Purely Cosmetic**

Alright, so I've got a patch here. It's focused on `mm/memcontrol-v1.c`, and it's a super small fix—a typo, really. Someone used an incorrect email address in a warning message. Specifically, they've got `linux-mm-@kvack.org` where it should be `linux-mm@kvack.org` in a couple of `pr_warn_once` calls. The important thing to note is that this is purely cosmetic. We're talking about a change in a log message; it's not going to affect functionality or introduce any new behavior. Therefore, given that this doesn't touch the code that needs rigorous testing, I'm going to set `WorthFuzzing=false` for this. It's a clean, straightforward fix that improves readability, but doesn't warrant an intensive fuzzing effort. Let's get it merged and move on.

4/2

2026/07/13 12:12

tool

set-results

Args:

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch only fixes a typo in a warning message (pr_warn_once) and does not make any functional changes to the kernel logic.",
  "WorthFuzzing": false
}

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only fixes a typo in a warning message (pr_warn_once) and does not make any functional changes to the kernel logic.",
  "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)