AI Trajectory


Trajectory: (Expand/Collapse All)
Seq Timestamp Type Name Duration
0/0 2026/07/17 20:57 flow patch-triage
0m Args: 
null

Results: 
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only fixes typos in comments within KVM selftests. There are no functional changes to the kernel code.",
  "WorthFuzzing": false
}
1/1 2026/07/17 20:57 action read-patch-diff
0m Args: 
null

Results: 
{
  "PatchDiff": "commit 25b8c238d99772d2d543a500578b70b64d4c257e\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Fri Jul 17 20:57:03 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/tools/testing/selftests/kvm/riscv/sbi_pmu_test.c b/tools/testing/selftests/kvm/riscv/sbi_pmu_test.c\nindex e56a3dd6a51e53..20388f0b959d8d 100644\n--- a/tools/testing/selftests/kvm/riscv/sbi_pmu_test.c\n+++ b/tools/testing/selftests/kvm/riscv/sbi_pmu_test.c\n@@ -492,7 +492,7 @@ static void test_pmu_events_snaphost(void)\n \tstruct riscv_pmu_snapshot_data *snapshot_data = snapshot_gva;\n \tint i;\n \n-\t/* Verify presence of SBI PMU and minimum requrired SBI version */\n+\t/* Verify presence of SBI PMU and minimum required SBI version */\n \tverify_sbi_requirement_assert();\n \n \tsnapshot_set_shmem(snapshot_gpa, 0);\n@@ -518,7 +518,7 @@ static void test_pmu_events_overflow(void)\n {\n \tint num_counters = 0, i = 0;\n \n-\t/* Verify presence of SBI PMU and minimum requrired SBI version */\n+\t/* Verify presence of SBI PMU and minimum required SBI version */\n \tverify_sbi_requirement_assert();\n \n \tsnapshot_set_shmem(snapshot_gpa, 0);\ndiff --git a/tools/testing/selftests/kvm/x86/hyperv_clock.c b/tools/testing/selftests/kvm/x86/hyperv_clock.c\nindex c083cea546dcec..d5d779623cc6f9 100644\n--- a/tools/testing/selftests/kvm/x86/hyperv_clock.c\n+++ b/tools/testing/selftests/kvm/x86/hyperv_clock.c\n@@ -56,7 +56,7 @@ static inline void check_tsc_msr_rdtsc(void)\n \ttsc_freq = rdmsr(HV_X64_MSR_TSC_FREQUENCY);\n \tGUEST_ASSERT(tsc_freq \u003e 0);\n \n-\t/* For increased accuracy, take mean rdtsc() before and afrer rdmsr() */\n+\t/* For increased accuracy, take mean rdtsc() before and after rdmsr() */\n \tr1 = rdtsc();\n \tt1 = rdmsr(HV_X64_MSR_TIME_REF_COUNT);\n \tr1 = (r1 + rdtsc()) / 2;\n@@ -181,7 +181,7 @@ static void host_check_tsc_msr_rdtsc(struct kvm_vcpu *vcpu)\n \ttsc_freq = vcpu_get_msr(vcpu, HV_X64_MSR_TSC_FREQUENCY);\n \tTEST_ASSERT(tsc_freq \u003e 0, \"TSC frequency must be nonzero\");\n \n-\t/* For increased accuracy, take mean rdtsc() before and afrer ioctl */\n+\t/* For increased accuracy, take mean rdtsc() before and after ioctl */\n \tr1 = rdtsc();\n \tt1 = vcpu_get_msr(vcpu, HV_X64_MSR_TIME_REF_COUNT);\n \tr1 = (r1 + rdtsc()) / 2;\ndiff --git a/tools/testing/selftests/kvm/x86/hyperv_evmcs.c b/tools/testing/selftests/kvm/x86/hyperv_evmcs.c\nindex c7fa114aee20fc..5cc71658f854e8 100644\n--- a/tools/testing/selftests/kvm/x86/hyperv_evmcs.c\n+++ b/tools/testing/selftests/kvm/x86/hyperv_evmcs.c\n@@ -129,7 +129,7 @@ void guest_code(struct vmx_pages *vmx_pages, struct hyperv_test_pages *hv_pages,\n \t/*\n \t * NMI forces L2-\u003eL1 exit, resuming L2 and hope that EVMCS is\n \t * up-to-date (RIP points where it should and not at the beginning\n-\t * of l2_guest_code(). GUEST_SYNC(9) checkes that.\n+\t * of l2_guest_code(). GUEST_SYNC(9) checks that.\n \t */\n \tGUEST_ASSERT(!vmresume());\n \ndiff --git a/tools/testing/selftests/kvm/x86/vmx_invalid_nested_guest_state.c b/tools/testing/selftests/kvm/x86/vmx_invalid_nested_guest_state.c\nindex a2eaceed9ad520..a07968c1618962 100644\n--- a/tools/testing/selftests/kvm/x86/vmx_invalid_nested_guest_state.c\n+++ b/tools/testing/selftests/kvm/x86/vmx_invalid_nested_guest_state.c\n@@ -81,7 +81,7 @@ int main(int argc, char *argv[])\n \t\t    ARBITRARY_IO_PORT, run-\u003eio.port);\n \n \t/*\n-\t * Stuff invalid guest state for L2 by making TR unusuable.  The next\n+\t * Stuff invalid guest state for L2 by making TR unusable.  The next\n \t * KVM_RUN should induce a TRIPLE_FAULT in L2 as KVM doesn't support\n \t * emulating invalid guest state for L2.\n \t */\n"
}
2/1 2026/07/17 20:57 agent patch-evaluator
0m Model: 
gemini-3.1-pro-preview

Args: 
null

Results: 
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only fixes typos in comments within KVM selftests. There are no 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 25b8c238d99772d2d543a500578b70b64d4c257e
Author: syz-cluster <triage@syzkaller.com>
Date:   Fri Jul 17 20:57:03 2026 +0000

    syz-cluster: applied patch under review

diff --git a/tools/testing/selftests/kvm/riscv/sbi_pmu_test.c b/tools/testing/selftests/kvm/riscv/sbi_pmu_test.c
index e56a3dd6a51e53..20388f0b959d8d 100644
--- a/tools/testing/selftests/kvm/riscv/sbi_pmu_test.c
+++ b/tools/testing/selftests/kvm/riscv/sbi_pmu_test.c
@@ -492,7 +492,7 @@ static void test_pmu_events_snaphost(void)
 	struct riscv_pmu_snapshot_data *snapshot_data = snapshot_gva;
 	int i;
 
-	/* Verify presence of SBI PMU and minimum requrired SBI version */
+	/* Verify presence of SBI PMU and minimum required SBI version */
 	verify_sbi_requirement_assert();
 
 	snapshot_set_shmem(snapshot_gpa, 0);
@@ -518,7 +518,7 @@ static void test_pmu_events_overflow(void)
 {
 	int num_counters = 0, i = 0;
 
-	/* Verify presence of SBI PMU and minimum requrired SBI version */
+	/* Verify presence of SBI PMU and minimum required SBI version */
 	verify_sbi_requirement_assert();
 
 	snapshot_set_shmem(snapshot_gpa, 0);
diff --git a/tools/testing/selftests/kvm/x86/hyperv_clock.c b/tools/testing/selftests/kvm/x86/hyperv_clock.c
index c083cea546dcec..d5d779623cc6f9 100644
--- a/tools/testing/selftests/kvm/x86/hyperv_clock.c
+++ b/tools/testing/selftests/kvm/x86/hyperv_clock.c
@@ -56,7 +56,7 @@ static inline void check_tsc_msr_rdtsc(void)
 	tsc_freq = rdmsr(HV_X64_MSR_TSC_FREQUENCY);
 	GUEST_ASSERT(tsc_freq > 0);
 
-	/* For increased accuracy, take mean rdtsc() before and afrer rdmsr() */
+	/* For increased accuracy, take mean rdtsc() before and after rdmsr() */
 	r1 = rdtsc();
 	t1 = rdmsr(HV_X64_MSR_TIME_REF_COUNT);
 	r1 = (r1 + rdtsc()) / 2;
@@ -181,7 +181,7 @@ static void host_check_tsc_msr_rdtsc(struct kvm_vcpu *vcpu)
 	tsc_freq = vcpu_get_msr(vcpu, HV_X64_MSR_TSC_FREQUENCY);
 	TEST_ASSERT(tsc_freq > 0, "TSC frequency must be nonzero");
 
-	/* For increased accuracy, take mean rdtsc() before and afrer ioctl */
+	/* For increased accuracy, take mean rdtsc() before and after ioctl */
 	r1 = rdtsc();
 	t1 = vcpu_get_msr(vcpu, HV_X64_MSR_TIME_REF_COUNT);
 	r1 = (r1 + rdtsc()) / 2;
diff --git a/tools/testing/selftests/kvm/x86/hyperv_evmcs.c b/tools/testing/selftests/kvm/x86/hyperv_evmcs.c
index c7fa114aee20fc..5cc71658f854e8 100644
--- a/tools/testing/selftests/kvm/x86/hyperv_evmcs.c
+++ b/tools/testing/selftests/kvm/x86/hyperv_evmcs.c
@@ -129,7 +129,7 @@ void guest_code(struct vmx_pages *vmx_pages, struct hyperv_test_pages *hv_pages,
 	/*
 	 * NMI forces L2->L1 exit, resuming L2 and hope that EVMCS is
 	 * up-to-date (RIP points where it should and not at the beginning
-	 * of l2_guest_code(). GUEST_SYNC(9) checkes that.
+	 * of l2_guest_code(). GUEST_SYNC(9) checks that.
 	 */
 	GUEST_ASSERT(!vmresume());
 
diff --git a/tools/testing/selftests/kvm/x86/vmx_invalid_nested_guest_state.c b/tools/testing/selftests/kvm/x86/vmx_invalid_nested_guest_state.c
index a2eaceed9ad520..a07968c1618962 100644
--- a/tools/testing/selftests/kvm/x86/vmx_invalid_nested_guest_state.c
+++ b/tools/testing/selftests/kvm/x86/vmx_invalid_nested_guest_state.c
@@ -81,7 +81,7 @@ int main(int argc, char *argv[])
 		    ARBITRARY_IO_PORT, run->io.port);
 
 	/*
-	 * Stuff invalid guest state for L2 by making TR unusuable.  The next
+	 * Stuff invalid guest state for L2 by making TR unusable.  The next
 	 * KVM_RUN should induce a TRIPLE_FAULT in L2 as KVM doesn't support
 	 * emulating invalid guest state for L2.
 	 */

3/2 2026/07/17 20:57 llm patch-evaluator
0m Model: 
gemini-3.1-pro-preview

Args: 
null

Results: 
null

Tokens: 
							input: 3086
							output: 55
							thoughts: 197

Thoughts: 
**Minor Typos, Minimal Impact**

Okay, so this patch is cleaning up some typos. It looks like it's all contained within the `tools/testing/selftests/kvm/` directory – that's a good start, keeps it localized. Let me check the specifics... Ah, yes, just some grammar corrections in comments across a few C files: "requrired" to "required", "afrer" to "after", "checkes" to "checks", and "unusuable" to "unusable."

Purely comment changes, nothing executable affected. Since these are confined to selftests and are non-functional, there's no way this merits any fuzzing effort. "WorthFuzzing" is definitely false here. This is a quick and harmless clean-up.

4/2 2026/07/17 20:57 tool set-results
0m Args: 
{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch only fixes typos in comments within KVM selftests. There are no functional changes to the kernel code.",
  "WorthFuzzing": false
}

Results: 
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only fixes typos in comments within KVM selftests. There are no 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)