| Seq | Timestamp | Type | Name | Duration |
|---|---|---|---|---|
| 0/0 | 2026/09/18 14:22 | flow | patch-triage |
0mArgs:null Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"KMSANReasoning": "",
"NeedsKMSAN": false,
"Reasoning": "All changes in this patch series are confined to tools/bpf/bpftool/ (bpftool user-space tool source code, embedded profiler BPF skeleton, and documentation). These changes do not affect the compiled kernel image (vmlinux) or any kernel modules, making them ineligible for kernel fuzzing with syzkaller.",
"WorthFuzzing": false
} |
| 1/1 | 2026/09/18 14:22 | action | read-patch-diff |
0mArgs:null Results: {
"PatchDiff": "commit 0b46276295928dac5bc525d299791c0918967aed\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Fri Sep 18 14:22:05 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst\nindex 90fa2a48cc26a..90fe8c61bf424 100644\n--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst\n+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst\n@@ -217,7 +217,14 @@ bpftool prog run *PROG* data_in *FILE* [data_out *FILE* [data_size_out *L*]] [ct\n bpftool prog profile *PROG* [duration *DURATION*] *METRICs*\n Profile *METRICs* for bpf program *PROG* for *DURATION* seconds or until\n user hits \u003cCtrl+C\u003e. *DURATION* is optional. If *DURATION* is not specified,\n- the profiling will run up to **UINT_MAX** seconds.\n+ the profiling will run up to **UINT_MAX** seconds. Selected metrics form a\n+ perf event group on each CPU so that ratios use counters scheduled over the\n+ same intervals. Plain output scales each per-CPU metric value to correct\n+ for perf event multiplexing. When **cycles** is selected, it also reports\n+ cycles per program run.\n+\n+ In JSON output, **value** is raw, **value_scaled** is scaled, and\n+ **run_cnt** is the total number of program runs.\n \n bpftool prog help\n Print short help message.\n@@ -360,7 +367,7 @@ EXAMPLES\n ::\n \n 51397 run_cnt\n- 40176203 cycles (83.05%)\n+ 40176203 cycles # 781.68 cycles per run (83.05%)\n 42518139 instructions # 1.06 insns per cycle (83.39%)\n 123 llc_misses # 2.89 LLC misses per million insns (83.15%)\n \ndiff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c\nindex 6ab911e821551..000774835b108 100644\n--- a/tools/bpf/bpftool/prog.c\n+++ b/tools/bpf/bpftool/prog.c\n@@ -2062,37 +2062,52 @@ static int do_profile(int argc, char **argv)\n \n #include \"profiler.skel.h\"\n \n+enum ratio_metric {\n+\tMETRIC_NONE = -2,\n+\tMETRIC_RUN_CNT = -1,\n+\tMETRIC_CYCLES = 0,\n+\tMETRIC_INSTRUCTIONS = 1,\n+\tMETRIC_L1D_LOADS = 2,\n+\tMETRIC_LLC_MISSES = 3,\n+\tMETRIC_ITLB_MISSES = 4,\n+\tMETRIC_DTLB_MISSES = 5,\n+};\n+\n struct profile_metric {\n \tconst char *name;\n \tstruct bpf_perf_event_value val;\n+\t__u64 scaled_val;\n \tstruct perf_event_attr attr;\n \tbool selected;\n \n \t/* calculate ratios like instructions per cycle */\n-\tconst int ratio_metric; /* 0 for N/A, 1 for index 0 (cycles) */\n+\tconst enum ratio_metric ratio_metric;\n \tconst char *ratio_desc;\n \tconst float ratio_mul;\n } metrics[] = {\n-\t{\n+\t[METRIC_CYCLES] = {\n \t\t.name = \"cycles\",\n \t\t.attr = {\n \t\t\t.type = PERF_TYPE_HARDWARE,\n \t\t\t.config = PERF_COUNT_HW_CPU_CYCLES,\n \t\t\t.exclude_user = 1,\n \t\t},\n+\t\t.ratio_metric = METRIC_RUN_CNT,\n+\t\t.ratio_desc = \"cycles per run\",\n+\t\t.ratio_mul = 1.0,\n \t},\n-\t{\n+\t[METRIC_INSTRUCTIONS] = {\n \t\t.name = \"instructions\",\n \t\t.attr = {\n \t\t\t.type = PERF_TYPE_HARDWARE,\n \t\t\t.config = PERF_COUNT_HW_INSTRUCTIONS,\n \t\t\t.exclude_user = 1,\n \t\t},\n-\t\t.ratio_metric = 1,\n+\t\t.ratio_metric = METRIC_CYCLES,\n \t\t.ratio_desc = \"insns per cycle\",\n \t\t.ratio_mul = 1.0,\n \t},\n-\t{\n+\t[METRIC_L1D_LOADS] = {\n \t\t.name = \"l1d_loads\",\n \t\t.attr = {\n \t\t\t.type = PERF_TYPE_HW_CACHE,\n@@ -2102,8 +2117,9 @@ struct profile_metric {\n \t\t\t\t(PERF_COUNT_HW_CACHE_RESULT_ACCESS \u003c\u003c 16),\n \t\t\t.exclude_user = 1,\n \t\t},\n+\t\t.ratio_metric = METRIC_NONE,\n \t},\n-\t{\n+\t[METRIC_LLC_MISSES] = {\n \t\t.name = \"llc_misses\",\n \t\t.attr = {\n \t\t\t.type = PERF_TYPE_HW_CACHE,\n@@ -2113,11 +2129,11 @@ struct profile_metric {\n \t\t\t\t(PERF_COUNT_HW_CACHE_RESULT_MISS \u003c\u003c 16),\n \t\t\t.exclude_user = 1\n \t\t},\n-\t\t.ratio_metric = 2,\n+\t\t.ratio_metric = METRIC_INSTRUCTIONS,\n \t\t.ratio_desc = \"LLC misses per million insns\",\n \t\t.ratio_mul = 1e6,\n \t},\n-\t{\n+\t[METRIC_ITLB_MISSES] = {\n \t\t.name = \"itlb_misses\",\n \t\t.attr = {\n \t\t\t.type = PERF_TYPE_HW_CACHE,\n@@ -2127,11 +2143,11 @@ struct profile_metric {\n \t\t\t\t(PERF_COUNT_HW_CACHE_RESULT_MISS \u003c\u003c 16),\n \t\t\t.exclude_user = 1\n \t\t},\n-\t\t.ratio_metric = 2,\n+\t\t.ratio_metric = METRIC_INSTRUCTIONS,\n \t\t.ratio_desc = \"itlb misses per million insns\",\n \t\t.ratio_mul = 1e6,\n \t},\n-\t{\n+\t[METRIC_DTLB_MISSES] = {\n \t\t.name = \"dtlb_misses\",\n \t\t.attr = {\n \t\t\t.type = PERF_TYPE_HW_CACHE,\n@@ -2141,7 +2157,7 @@ struct profile_metric {\n \t\t\t\t(PERF_COUNT_HW_CACHE_RESULT_MISS \u003c\u003c 16),\n \t\t\t.exclude_user = 1\n \t\t},\n-\t\t.ratio_metric = 2,\n+\t\t.ratio_metric = METRIC_INSTRUCTIONS,\n \t\t.ratio_desc = \"dtlb misses per million insns\",\n \t\t.ratio_mul = 1e6,\n \t},\n@@ -2182,7 +2198,7 @@ static int profile_parse_metrics(int argc, char **argv)\n \treturn selected_cnt;\n }\n \n-static void profile_read_values(struct profiler_bpf *obj)\n+static int profile_read_values(struct profiler_bpf *obj)\n {\n \t__u32 m, cpu, num_cpu = obj-\u003erodata-\u003enum_cpu;\n \tint reading_map_fd, count_map_fd;\n@@ -2192,15 +2208,11 @@ static void profile_read_values(struct profiler_bpf *obj)\n \n \treading_map_fd = bpf_map__fd(obj-\u003emaps.accum_readings);\n \tcount_map_fd = bpf_map__fd(obj-\u003emaps.counts);\n-\tif (reading_map_fd \u003c 0 || count_map_fd \u003c 0) {\n-\t\tp_err(\"failed to get fd for map\");\n-\t\treturn;\n-\t}\n \n \terr = bpf_map_lookup_elem(count_map_fd, \u0026key, counts);\n \tif (err) {\n \t\tp_err(\"failed to read count_map: %s\", strerror(errno));\n-\t\treturn;\n+\t\treturn err;\n \t}\n \n \tprofile_total_count = 0;\n@@ -2208,24 +2220,37 @@ static void profile_read_values(struct profiler_bpf *obj)\n \t\tprofile_total_count += counts[cpu];\n \n \tfor (m = 0; m \u003c ARRAY_SIZE(metrics); m++) {\n-\t\tstruct bpf_perf_event_value values[num_cpu];\n+\t\tstruct bpf_perf_event_value values[num_cpu], *val;\n+\t\tdouble scale;\n \n \t\tif (!metrics[m].selected)\n \t\t\tcontinue;\n \n \t\terr = bpf_map_lookup_elem(reading_map_fd, \u0026key, values);\n \t\tif (err) {\n-\t\t\tp_err(\"failed to read reading_map: %s\",\n-\t\t\t strerror(errno));\n-\t\t\treturn;\n+\t\t\tp_err(\"failed to read reading_map: %s\", strerror(errno));\n+\t\t\treturn err;\n \t\t}\n+\n \t\tfor (cpu = 0; cpu \u003c num_cpu; cpu++) {\n-\t\t\tmetrics[m].val.counter += values[cpu].counter;\n-\t\t\tmetrics[m].val.enabled += values[cpu].enabled;\n-\t\t\tmetrics[m].val.running += values[cpu].running;\n+\t\t\tval = \u0026values[cpu];\n+\t\t\tif (counts[cpu] \u0026\u0026 !val-\u003erunning) {\n+\t\t\t\tp_err(\"perf event %s was not counted on CPU %u\",\n+\t\t\t\t metrics[m].name, cpu);\n+\t\t\t\treturn -EAGAIN;\n+\t\t\t}\n+\t\t\tmetrics[m].val.enabled += val-\u003eenabled;\n+\t\t\tmetrics[m].val.running += val-\u003erunning;\n+\t\t\tmetrics[m].val.counter += val-\u003ecounter;\n+\t\t\tif (val-\u003erunning) {\n+\t\t\t\t/* Scale values to account for perf event multiplexing. */\n+\t\t\t\tscale = (double)val-\u003eenabled / val-\u003erunning;\n+\t\t\t\tmetrics[m].scaled_val += val-\u003ecounter * scale;\n+\t\t\t}\n \t\t}\n \t\tkey++;\n \t}\n+\treturn 0;\n }\n \n static void profile_print_readings_json(void)\n@@ -2242,6 +2267,7 @@ static void profile_print_readings_json(void)\n \t\tjsonw_lluint_field(json_wtr, \"value\", metrics[m].val.counter);\n \t\tjsonw_lluint_field(json_wtr, \"enabled\", metrics[m].val.enabled);\n \t\tjsonw_lluint_field(json_wtr, \"running\", metrics[m].val.running);\n+\t\tjsonw_lluint_field(json_wtr, \"value_scaled\", metrics[m].scaled_val);\n \n \t\tjsonw_end_object(json_wtr);\n \t}\n@@ -2250,24 +2276,34 @@ static void profile_print_readings_json(void)\n \n static void profile_print_readings_plain(void)\n {\n-\t__u32 m;\n+\t__u32 i;\n \n \tprintf(\"\\n%18llu %-20s\\n\", profile_total_count, \"run_cnt\");\n-\tfor (m = 0; m \u003c ARRAY_SIZE(metrics); m++) {\n-\t\tstruct bpf_perf_event_value *val = \u0026metrics[m].val;\n+\tfor (i = 0; i \u003c ARRAY_SIZE(metrics); i++) {\n+\t\tstruct profile_metric *m = \u0026metrics[i];\n+\t\tstruct bpf_perf_event_value *val = \u0026m-\u003eval;\n \t\tint r;\n+\t\t__u64 ratio;\n \n-\t\tif (!metrics[m].selected)\n+\t\tif (!m-\u003eselected)\n \t\t\tcontinue;\n-\t\tprintf(\"%18llu %-20s\", val-\u003ecounter, metrics[m].name);\n+\t\tprintf(\"%18llu %-20s\", m-\u003escaled_val, m-\u003ename);\n \n-\t\tr = metrics[m].ratio_metric - 1;\n-\t\tif (r \u003e= 0 \u0026\u0026 metrics[r].selected \u0026\u0026\n-\t\t metrics[r].val.counter \u003e 0) {\n+\t\tr = m-\u003eratio_metric;\n+\t\tswitch (r) {\n+\t\tcase METRIC_RUN_CNT:\n+\t\t\tratio = profile_total_count;\n+\t\t\tbreak;\n+\t\tcase METRIC_NONE:\n+\t\t\tratio = 0;\n+\t\t\tbreak;\n+\t\tdefault:\n+\t\t\tratio = metrics[r].scaled_val;\n+\t\t}\n+\t\tif (ratio) {\n \t\t\tprintf(\"# %8.2f %-30s\",\n-\t\t\t val-\u003ecounter * metrics[m].ratio_mul /\n-\t\t\t metrics[r].val.counter,\n-\t\t\t metrics[m].ratio_desc);\n+\t\t\t m-\u003escaled_val * m-\u003eratio_mul / ratio,\n+\t\t\t m-\u003eratio_desc);\n \t\t} else {\n \t\t\tprintf(\"%-41s\", \"\");\n \t\t}\n@@ -2350,7 +2386,7 @@ static char *profile_tgt_name;\n static int *profile_perf_events;\n static int profile_perf_event_cnt;\n \n-static void profile_close_perf_events(struct profiler_bpf *obj)\n+static void profile_close_perf_events(void)\n {\n \tint i;\n \n@@ -2361,81 +2397,101 @@ static void profile_close_perf_events(struct profiler_bpf *obj)\n \tprofile_perf_event_cnt = 0;\n }\n \n-static int profile_open_perf_event(int mid, int cpu, int map_fd)\n+static int profile_open_perf_event(int mid, int cpu,\n+\t\t\t\t int map_fd, int group_fd, __u32 map_key)\n {\n+\tstruct perf_event_attr attr = metrics[mid].attr;\n+\tbool group_leader = group_fd \u003c 0;\n \tint pmu_fd;\n+\tint err;\n \n-\tpmu_fd = syscall(__NR_perf_event_open, \u0026metrics[mid].attr,\n-\t\t\t -1 /*pid*/, cpu, -1 /*group_fd*/, 0);\n+\tattr.disabled = group_leader;\n+\tpmu_fd = syscall(__NR_perf_event_open, \u0026attr, -1 /* pid */, cpu,\n+\t\t\t group_fd, 0);\n \tif (pmu_fd \u003c 0) {\n-\t\tif (errno == ENODEV) {\n-\t\t\tp_info(\"cpu %d may be offline, skip %s profiling.\",\n-\t\t\t\tcpu, metrics[mid].name);\n-\t\t\tprofile_perf_event_cnt++;\n-\t\t\treturn 0;\n-\t\t}\n-\t\treturn -1;\n+\t\terr = -errno;\n+\t\tif (errno == ENODEV \u0026\u0026 group_leader)\n+\t\t\tp_info(\"cpu %d may be offline, skip profiling.\", cpu);\n+\t\treturn err;\n \t}\n \n-\tif (bpf_map_update_elem(map_fd,\n-\t\t\t\t\u0026profile_perf_event_cnt,\n-\t\t\t\t\u0026pmu_fd, BPF_ANY) ||\n-\t ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0)) {\n+\tif (bpf_map_update_elem(map_fd, \u0026map_key, \u0026pmu_fd, BPF_ANY)) {\n+\t\terr = -errno;\n \t\tclose(pmu_fd);\n-\t\treturn -1;\n+\t\treturn err;\n \t}\n \n \tprofile_perf_events[profile_perf_event_cnt++] = pmu_fd;\n-\treturn 0;\n+\treturn pmu_fd;\n }\n \n static int profile_open_perf_events(struct profiler_bpf *obj)\n {\n+\t__u32 num_cpu = obj-\u003erodata-\u003enum_cpu;\n+\t__u32 map_key;\n \tunsigned int cpu, m;\n-\tint map_fd;\n+\tint group_fd, map_fd, pmu_fd;\n+\tint err;\n \n-\tprofile_perf_events = calloc(\n-\t\tobj-\u003erodata-\u003enum_cpu * obj-\u003erodata-\u003enum_metric, sizeof(int));\n+\tprofile_perf_events = calloc(num_cpu * obj-\u003erodata-\u003enum_metric,\n+\t\t\t\t sizeof(*profile_perf_events));\n \tif (!profile_perf_events) {\n \t\tp_err(\"failed to allocate memory for perf_event array: %s\",\n \t\t strerror(errno));\n-\t\treturn -1;\n+\t\treturn -ENOMEM;\n \t}\n+\n \tmap_fd = bpf_map__fd(obj-\u003emaps.events);\n-\tif (map_fd \u003c 0) {\n-\t\tp_err(\"failed to get fd for events map\");\n-\t\treturn -1;\n-\t}\n+\tfor (cpu = 0; cpu \u003c num_cpu; cpu++) {\n+\t\tgroup_fd = -1;\n+\t\tmap_key = cpu;\n+\t\tfor (m = 0; m \u003c ARRAY_SIZE(metrics); m++) {\n+\t\t\tif (!metrics[m].selected)\n+\t\t\t\tcontinue;\n \n-\tfor (m = 0; m \u003c ARRAY_SIZE(metrics); m++) {\n-\t\tif (!metrics[m].selected)\n-\t\t\tcontinue;\n-\t\tfor (cpu = 0; cpu \u003c obj-\u003erodata-\u003enum_cpu; cpu++) {\n-\t\t\tif (profile_open_perf_event(m, cpu, map_fd)) {\n-\t\t\t\tp_err(\"failed to create event %s on cpu %u\",\n-\t\t\t\t metrics[m].name, cpu);\n-\t\t\t\treturn -1;\n+\t\t\tpmu_fd = profile_open_perf_event(m, cpu, map_fd, group_fd,\n+\t\t\t\t\t\t map_key);\n+\t\t\tif (pmu_fd == -ENODEV \u0026\u0026 group_fd \u003c 0)\n+\t\t\t\tbreak;\n+\t\t\tif (pmu_fd \u003c 0) {\n+\t\t\t\tp_err(\"failed to add event %s to group on CPU %u: %s\",\n+\t\t\t\t metrics[m].name, cpu, strerror(-pmu_fd));\n+\t\t\t\treturn pmu_fd;\n \t\t\t}\n+\t\t\tif (group_fd \u003c 0)\n+\t\t\t\tgroup_fd = pmu_fd;\n+\t\t\tmap_key += num_cpu;\n+\t\t}\n+\t\tif (group_fd \u003c 0)\n+\t\t\tcontinue;\n+\t\tif (ioctl(group_fd, PERF_EVENT_IOC_ENABLE, PERF_IOC_FLAG_GROUP)) {\n+\t\t\terr = -errno;\n+\t\t\tp_err(\"failed to enable perf event group on CPU %u: %s\",\n+\t\t\t cpu, strerror(-err));\n+\t\t\treturn err;\n \t\t}\n \t}\n \treturn 0;\n }\n \n-static void profile_print_and_cleanup(void)\n+static int profile_print_and_cleanup(void)\n {\n-\tprofile_close_perf_events(profile_obj);\n-\tprofile_read_values(profile_obj);\n-\tprofile_print_readings();\n+\tint err;\n+\n+\tprofile_close_perf_events();\n+\terr = profile_read_values(profile_obj);\n+\tif (!err)\n+\t\tprofile_print_readings();\n \tprofiler_bpf__destroy(profile_obj);\n \n \tclose(profile_tgt_fd);\n \tfree(profile_tgt_name);\n+\treturn err;\n }\n \n static void int_exit(int signo)\n {\n-\tprofile_print_and_cleanup();\n-\texit(0);\n+\texit(!!profile_print_and_cleanup());\n }\n \n static int do_profile(int argc, char **argv)\n@@ -2525,11 +2581,10 @@ static int do_profile(int argc, char **argv)\n \tsignal(SIGINT, int_exit);\n \n \tsleep(duration);\n-\tprofile_print_and_cleanup();\n-\treturn 0;\n+\treturn profile_print_and_cleanup();\n \n out:\n-\tprofile_close_perf_events(profile_obj);\n+\tprofile_close_perf_events();\n \tif (profile_obj)\n \t\tprofiler_bpf__destroy(profile_obj);\n \tclose(profile_tgt_fd);\ndiff --git a/tools/bpf/bpftool/skeleton/profiler.bpf.c b/tools/bpf/bpftool/skeleton/profiler.bpf.c\nindex f48c783cb9f7f..6685e7252fb52 100644\n--- a/tools/bpf/bpftool/skeleton/profiler.bpf.c\n+++ b/tools/bpf/bpftool/skeleton/profiler.bpf.c\n@@ -45,28 +45,21 @@ const volatile __u32 num_metric = 1;\n SEC(\"fentry/XXX\")\n int BPF_PROG(fentry_XXX)\n {\n-\tstruct bpf_perf_event_value___local *ptrs[MAX_NUM_METRICS];\n \tu32 key = bpf_get_smp_processor_id();\n \tu32 i;\n \n-\t/* look up before reading, to reduce error */\n \tfor (i = 0; i \u003c num_metric \u0026\u0026 i \u003c MAX_NUM_METRICS; i++) {\n+\t\tstruct bpf_perf_event_value___local *reading;\n \t\tu32 flag = i;\n-\n-\t\tptrs[i] = bpf_map_lookup_elem(\u0026fentry_readings, \u0026flag);\n-\t\tif (!ptrs[i])\n-\t\t\treturn 0;\n-\t}\n-\n-\tfor (i = 0; i \u003c num_metric \u0026\u0026 i \u003c MAX_NUM_METRICS; i++) {\n-\t\tstruct bpf_perf_event_value___local reading;\n \t\tint err;\n \n-\t\terr = bpf_perf_event_read_value(\u0026events, key, (void *)\u0026reading,\n-\t\t\t\t\t\tsizeof(reading));\n+\t\treading = bpf_map_lookup_elem(\u0026fentry_readings, \u0026flag);\n+\t\tif (!reading)\n+\t\t\treturn 0;\n+\t\terr = bpf_perf_event_read_value(\u0026events, key, (void *)reading,\n+\t\t\t\t\t\tsizeof(*reading));\n \t\tif (err)\n \t\t\treturn 0;\n-\t\t*(ptrs[i]) = reading;\n \t\tkey += num_cpu;\n \t}\n \n@@ -80,7 +73,7 @@ fexit_update_maps(u32 id, struct bpf_perf_event_value___local *after)\n \n \tbefore = bpf_map_lookup_elem(\u0026fentry_readings, \u0026id);\n \t/* only account samples with a valid fentry_reading */\n-\tif (before \u0026\u0026 before-\u003ecounter) {\n+\tif (before \u0026\u0026 before-\u003eenabled) {\n \t\tstruct bpf_perf_event_value___local *accum;\n \n \t\tdiff.counter = after-\u003ecounter - before-\u003ecounter;\n"
} |
| 2/1 | 2026/09/18 14:22 | agent | patch-evaluator |
0mModel:core Args: null Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"Reasoning": "All changes in this patch series are confined to tools/bpf/bpftool/ (bpftool user-space tool source code, embedded profiler BPF skeleton, and documentation). These changes do not affect the compiled kernel image (vmlinux) or any kernel modules, making them ineligible for kernel fuzzing with syzkaller.",
"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 0b46276295928dac5bc525d299791c0918967aed
Author: syz-cluster <triage@syzkaller.com>
Date: Fri Sep 18 14:22:05 2026 +0000
syz-cluster: applied patch under review
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index 90fa2a48cc26a..90fe8c61bf424 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -217,7 +217,14 @@ bpftool prog run *PROG* data_in *FILE* [data_out *FILE* [data_size_out *L*]] [ct
bpftool prog profile *PROG* [duration *DURATION*] *METRICs*
Profile *METRICs* for bpf program *PROG* for *DURATION* seconds or until
user hits <Ctrl+C>. *DURATION* is optional. If *DURATION* is not specified,
- the profiling will run up to **UINT_MAX** seconds.
+ the profiling will run up to **UINT_MAX** seconds. Selected metrics form a
+ perf event group on each CPU so that ratios use counters scheduled over the
+ same intervals. Plain output scales each per-CPU metric value to correct
+ for perf event multiplexing. When **cycles** is selected, it also reports
+ cycles per program run.
+
+ In JSON output, **value** is raw, **value_scaled** is scaled, and
+ **run_cnt** is the total number of program runs.
bpftool prog help
Print short help message.
@@ -360,7 +367,7 @@ EXAMPLES
::
51397 run_cnt
- 40176203 cycles (83.05%)
+ 40176203 cycles # 781.68 cycles per run (83.05%)
42518139 instructions # 1.06 insns per cycle (83.39%)
123 llc_misses # 2.89 LLC misses per million insns (83.15%)
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 6ab911e821551..000774835b108 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -2062,37 +2062,52 @@ static int do_profile(int argc, char **argv)
#include "profiler.skel.h"
+enum ratio_metric {
+ METRIC_NONE = -2,
+ METRIC_RUN_CNT = -1,
+ METRIC_CYCLES = 0,
+ METRIC_INSTRUCTIONS = 1,
+ METRIC_L1D_LOADS = 2,
+ METRIC_LLC_MISSES = 3,
+ METRIC_ITLB_MISSES = 4,
+ METRIC_DTLB_MISSES = 5,
+};
+
struct profile_metric {
const char *name;
struct bpf_perf_event_value val;
+ __u64 scaled_val;
struct perf_event_attr attr;
bool selected;
/* calculate ratios like instructions per cycle */
- const int ratio_metric; /* 0 for N/A, 1 for index 0 (cycles) */
+ const enum ratio_metric ratio_metric;
const char *ratio_desc;
const float ratio_mul;
} metrics[] = {
- {
+ [METRIC_CYCLES] = {
.name = "cycles",
.attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES,
.exclude_user = 1,
},
+ .ratio_metric = METRIC_RUN_CNT,
+ .ratio_desc = "cycles per run",
+ .ratio_mul = 1.0,
},
- {
+ [METRIC_INSTRUCTIONS] = {
.name = "instructions",
.attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_INSTRUCTIONS,
.exclude_user = 1,
},
- .ratio_metric = 1,
+ .ratio_metric = METRIC_CYCLES,
.ratio_desc = "insns per cycle",
.ratio_mul = 1.0,
},
- {
+ [METRIC_L1D_LOADS] = {
.name = "l1d_loads",
.attr = {
.type = PERF_TYPE_HW_CACHE,
@@ -2102,8 +2117,9 @@ struct profile_metric {
(PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16),
.exclude_user = 1,
},
+ .ratio_metric = METRIC_NONE,
},
- {
+ [METRIC_LLC_MISSES] = {
.name = "llc_misses",
.attr = {
.type = PERF_TYPE_HW_CACHE,
@@ -2113,11 +2129,11 @@ struct profile_metric {
(PERF_COUNT_HW_CACHE_RESULT_MISS << 16),
.exclude_user = 1
},
- .ratio_metric = 2,
+ .ratio_metric = METRIC_INSTRUCTIONS,
.ratio_desc = "LLC misses per million insns",
.ratio_mul = 1e6,
},
- {
+ [METRIC_ITLB_MISSES] = {
.name = "itlb_misses",
.attr = {
.type = PERF_TYPE_HW_CACHE,
@@ -2127,11 +2143,11 @@ struct profile_metric {
(PERF_COUNT_HW_CACHE_RESULT_MISS << 16),
.exclude_user = 1
},
- .ratio_metric = 2,
+ .ratio_metric = METRIC_INSTRUCTIONS,
.ratio_desc = "itlb misses per million insns",
.ratio_mul = 1e6,
},
- {
+ [METRIC_DTLB_MISSES] = {
.name = "dtlb_misses",
.attr = {
.type = PERF_TYPE_HW_CACHE,
@@ -2141,7 +2157,7 @@ struct profile_metric {
(PERF_COUNT_HW_CACHE_RESULT_MISS << 16),
.exclude_user = 1
},
- .ratio_metric = 2,
+ .ratio_metric = METRIC_INSTRUCTIONS,
.ratio_desc = "dtlb misses per million insns",
.ratio_mul = 1e6,
},
@@ -2182,7 +2198,7 @@ static int profile_parse_metrics(int argc, char **argv)
return selected_cnt;
}
-static void profile_read_values(struct profiler_bpf *obj)
+static int profile_read_values(struct profiler_bpf *obj)
{
__u32 m, cpu, num_cpu = obj->rodata->num_cpu;
int reading_map_fd, count_map_fd;
@@ -2192,15 +2208,11 @@ static void profile_read_values(struct profiler_bpf *obj)
reading_map_fd = bpf_map__fd(obj->maps.accum_readings);
count_map_fd = bpf_map__fd(obj->maps.counts);
- if (reading_map_fd < 0 || count_map_fd < 0) {
- p_err("failed to get fd for map");
- return;
- }
err = bpf_map_lookup_elem(count_map_fd, &key, counts);
if (err) {
p_err("failed to read count_map: %s", strerror(errno));
- return;
+ return err;
}
profile_total_count = 0;
@@ -2208,24 +2220,37 @@ static void profile_read_values(struct profiler_bpf *obj)
profile_total_count += counts[cpu];
for (m = 0; m < ARRAY_SIZE(metrics); m++) {
- struct bpf_perf_event_value values[num_cpu];
+ struct bpf_perf_event_value values[num_cpu], *val;
+ double scale;
if (!metrics[m].selected)
continue;
err = bpf_map_lookup_elem(reading_map_fd, &key, values);
if (err) {
- p_err("failed to read reading_map: %s",
- strerror(errno));
- return;
+ p_err("failed to read reading_map: %s", strerror(errno));
+ return err;
}
+
for (cpu = 0; cpu < num_cpu; cpu++) {
- metrics[m].val.counter += values[cpu].counter;
- metrics[m].val.enabled += values[cpu].enabled;
- metrics[m].val.running += values[cpu].running;
+ val = &values[cpu];
+ if (counts[cpu] && !val->running) {
+ p_err("perf event %s was not counted on CPU %u",
+ metrics[m].name, cpu);
+ return -EAGAIN;
+ }
+ metrics[m].val.enabled += val->enabled;
+ metrics[m].val.running += val->running;
+ metrics[m].val.counter += val->counter;
+ if (val->running) {
+ /* Scale values to account for perf event multiplexing. */
+ scale = (double)val->enabled / val->running;
+ metrics[m].scaled_val += val->counter * scale;
+ }
}
key++;
}
+ return 0;
}
static void profile_print_readings_json(void)
@@ -2242,6 +2267,7 @@ static void profile_print_readings_json(void)
jsonw_lluint_field(json_wtr, "value", metrics[m].val.counter);
jsonw_lluint_field(json_wtr, "enabled", metrics[m].val.enabled);
jsonw_lluint_field(json_wtr, "running", metrics[m].val.running);
+ jsonw_lluint_field(json_wtr, "value_scaled", metrics[m].scaled_val);
jsonw_end_object(json_wtr);
}
@@ -2250,24 +2276,34 @@ static void profile_print_readings_json(void)
static void profile_print_readings_plain(void)
{
- __u32 m;
+ __u32 i;
printf("\n%18llu %-20s\n", profile_total_count, "run_cnt");
- for (m = 0; m < ARRAY_SIZE(metrics); m++) {
- struct bpf_perf_event_value *val = &metrics[m].val;
+ for (i = 0; i < ARRAY_SIZE(metrics); i++) {
+ struct profile_metric *m = &metrics[i];
+ struct bpf_perf_event_value *val = &m->val;
int r;
+ __u64 ratio;
- if (!metrics[m].selected)
+ if (!m->selected)
continue;
- printf("%18llu %-20s", val->counter, metrics[m].name);
+ printf("%18llu %-20s", m->scaled_val, m->name);
- r = metrics[m].ratio_metric - 1;
- if (r >= 0 && metrics[r].selected &&
- metrics[r].val.counter > 0) {
+ r = m->ratio_metric;
+ switch (r) {
+ case METRIC_RUN_CNT:
+ ratio = profile_total_count;
+ break;
+ case METRIC_NONE:
+ ratio = 0;
+ break;
+ default:
+ ratio = metrics[r].scaled_val;
+ }
+ if (ratio) {
printf("# %8.2f %-30s",
- val->counter * metrics[m].ratio_mul /
- metrics[r].val.counter,
- metrics[m].ratio_desc);
+ m->scaled_val * m->ratio_mul / ratio,
+ m->ratio_desc);
} else {
printf("%-41s", "");
}
@@ -2350,7 +2386,7 @@ static char *profile_tgt_name;
static int *profile_perf_events;
static int profile_perf_event_cnt;
-static void profile_close_perf_events(struct profiler_bpf *obj)
+static void profile_close_perf_events(void)
{
int i;
@@ -2361,81 +2397,101 @@ static void profile_close_perf_events(struct profiler_bpf *obj)
profile_perf_event_cnt = 0;
}
-static int profile_open_perf_event(int mid, int cpu, int map_fd)
+static int profile_open_perf_event(int mid, int cpu,
+ int map_fd, int group_fd, __u32 map_key)
{
+ struct perf_event_attr attr = metrics[mid].attr;
+ bool group_leader = group_fd < 0;
int pmu_fd;
+ int err;
- pmu_fd = syscall(__NR_perf_event_open, &metrics[mid].attr,
- -1 /*pid*/, cpu, -1 /*group_fd*/, 0);
+ attr.disabled = group_leader;
+ pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */, cpu,
+ group_fd, 0);
if (pmu_fd < 0) {
- if (errno == ENODEV) {
- p_info("cpu %d may be offline, skip %s profiling.",
- cpu, metrics[mid].name);
- profile_perf_event_cnt++;
- return 0;
- }
- return -1;
+ err = -errno;
+ if (errno == ENODEV && group_leader)
+ p_info("cpu %d may be offline, skip profiling.", cpu);
+ return err;
}
- if (bpf_map_update_elem(map_fd,
- &profile_perf_event_cnt,
- &pmu_fd, BPF_ANY) ||
- ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0)) {
+ if (bpf_map_update_elem(map_fd, &map_key, &pmu_fd, BPF_ANY)) {
+ err = -errno;
close(pmu_fd);
- return -1;
+ return err;
}
profile_perf_events[profile_perf_event_cnt++] = pmu_fd;
- return 0;
+ return pmu_fd;
}
static int profile_open_perf_events(struct profiler_bpf *obj)
{
+ __u32 num_cpu = obj->rodata->num_cpu;
+ __u32 map_key;
unsigned int cpu, m;
- int map_fd;
+ int group_fd, map_fd, pmu_fd;
+ int err;
- profile_perf_events = calloc(
- obj->rodata->num_cpu * obj->rodata->num_metric, sizeof(int));
+ profile_perf_events = calloc(num_cpu * obj->rodata->num_metric,
+ sizeof(*profile_perf_events));
if (!profile_perf_events) {
p_err("failed to allocate memory for perf_event array: %s",
strerror(errno));
- return -1;
+ return -ENOMEM;
}
+
map_fd = bpf_map__fd(obj->maps.events);
- if (map_fd < 0) {
- p_err("failed to get fd for events map");
- return -1;
- }
+ for (cpu = 0; cpu < num_cpu; cpu++) {
+ group_fd = -1;
+ map_key = cpu;
+ for (m = 0; m < ARRAY_SIZE(metrics); m++) {
+ if (!metrics[m].selected)
+ continue;
- for (m = 0; m < ARRAY_SIZE(metrics); m++) {
- if (!metrics[m].selected)
- continue;
- for (cpu = 0; cpu < obj->rodata->num_cpu; cpu++) {
- if (profile_open_perf_event(m, cpu, map_fd)) {
- p_err("failed to create event %s on cpu %u",
- metrics[m].name, cpu);
- return -1;
+ pmu_fd = profile_open_perf_event(m, cpu, map_fd, group_fd,
+ map_key);
+ if (pmu_fd == -ENODEV && group_fd < 0)
+ break;
+ if (pmu_fd < 0) {
+ p_err("failed to add event %s to group on CPU %u: %s",
+ metrics[m].name, cpu, strerror(-pmu_fd));
+ return pmu_fd;
}
+ if (group_fd < 0)
+ group_fd = pmu_fd;
+ map_key += num_cpu;
+ }
+ if (group_fd < 0)
+ continue;
+ if (ioctl(group_fd, PERF_EVENT_IOC_ENABLE, PERF_IOC_FLAG_GROUP)) {
+ err = -errno;
+ p_err("failed to enable perf event group on CPU %u: %s",
+ cpu, strerror(-err));
+ return err;
}
}
return 0;
}
-static void profile_print_and_cleanup(void)
+static int profile_print_and_cleanup(void)
{
- profile_close_perf_events(profile_obj);
- profile_read_values(profile_obj);
- profile_print_readings();
+ int err;
+
+ profile_close_perf_events();
+ err = profile_read_values(profile_obj);
+ if (!err)
+ profile_print_readings();
profiler_bpf__destroy(profile_obj);
close(profile_tgt_fd);
free(profile_tgt_name);
+ return err;
}
static void int_exit(int signo)
{
- profile_print_and_cleanup();
- exit(0);
+ exit(!!profile_print_and_cleanup());
}
static int do_profile(int argc, char **argv)
@@ -2525,11 +2581,10 @@ static int do_profile(int argc, char **argv)
signal(SIGINT, int_exit);
sleep(duration);
- profile_print_and_cleanup();
- return 0;
+ return profile_print_and_cleanup();
out:
- profile_close_perf_events(profile_obj);
+ profile_close_perf_events();
if (profile_obj)
profiler_bpf__destroy(profile_obj);
close(profile_tgt_fd);
diff --git a/tools/bpf/bpftool/skeleton/profiler.bpf.c b/tools/bpf/bpftool/skeleton/profiler.bpf.c
index f48c783cb9f7f..6685e7252fb52 100644
--- a/tools/bpf/bpftool/skeleton/profiler.bpf.c
+++ b/tools/bpf/bpftool/skeleton/profiler.bpf.c
@@ -45,28 +45,21 @@ const volatile __u32 num_metric = 1;
SEC("fentry/XXX")
int BPF_PROG(fentry_XXX)
{
- struct bpf_perf_event_value___local *ptrs[MAX_NUM_METRICS];
u32 key = bpf_get_smp_processor_id();
u32 i;
- /* look up before reading, to reduce error */
for (i = 0; i < num_metric && i < MAX_NUM_METRICS; i++) {
+ struct bpf_perf_event_value___local *reading;
u32 flag = i;
-
- ptrs[i] = bpf_map_lookup_elem(&fentry_readings, &flag);
- if (!ptrs[i])
- return 0;
- }
-
- for (i = 0; i < num_metric && i < MAX_NUM_METRICS; i++) {
- struct bpf_perf_event_value___local reading;
int err;
- err = bpf_perf_event_read_value(&events, key, (void *)&reading,
- sizeof(reading));
+ reading = bpf_map_lookup_elem(&fentry_readings, &flag);
+ if (!reading)
+ return 0;
+ err = bpf_perf_event_read_value(&events, key, (void *)reading,
+ sizeof(*reading));
if (err)
return 0;
- *(ptrs[i]) = reading;
key += num_cpu;
}
@@ -80,7 +73,7 @@ fexit_update_maps(u32 id, struct bpf_perf_event_value___local *after)
before = bpf_map_lookup_elem(&fentry_readings, &id);
/* only account samples with a valid fentry_reading */
- if (before && before->counter) {
+ if (before && before->enabled) {
struct bpf_perf_event_value___local *accum;
diff.counter = after->counter - before->counter;
|
| 3/2 | 2026/09/18 14:22 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 8579 output: 101 thoughts: 1049 Thoughts: **Analysis of the Patch: WorthFuzzing Evaluation** Okay, let's take a look at this patch. My initial thought is to analyze the modified files. I see the changes are in `tools/bpf/bpftool/Documentation/bpftool-prog.rst`, `tools/bpf/bpftool/prog.c`, and `tools/bpf/bpftool/skeleton/profiler.bpf.c`. All within the `tools/bpf/bpftool/` directory. Now, let's consult the guidelines. Specifically, section 2 focuses on when to set `WorthFuzzing` to false (the negative criteria). We should return `WorthFuzzing=false` ONLY if the modified code falls strictly into the listed categories. Let's make sure it does. The crucial point here is whether `tools/bpf/bpftool/skeleton/profiler.bpf.c` affects the kernel image (`vmlinux`) or any kernel modules. No, it doesn't. `tools/bpf/bpftool` is a user-space utility. Its skeleton file is compiled into a BPF object and then embedded into the `bpftool` binary during the build process, using `bpftool gen skeleton` or clang/llvm. This means it has no effect on the kernel image or modules. To be absolutely sure, let's verify that `tools/bpf/bpftool` is indeed strictly userspace. A quick check with `grepper` or by inspecting the Git diff again confirms that only files within the `tools/bpf/bpftool/` directory are touched. The patch itself confirms this. Looking back at the instructions: "Non-kernel and non-executable changes: Modifications to Documentation/, comments, or spelling fixes," and "User-space directories, self-tests, samples, or scripts...that do not affect the compiled kernel image (vmlinux) or kernel modules." It is clear that this patch only affects userspace files in `tools/` and documentation. It does not touch any kernel code, neither `vmlinux` nor any kernel modules. Therefore, `WorthFuzzing` should be `false`. Now, let's review the required format for `set-results`. We need to provide: * `WorthFuzzing`: `false` * `Reasoning`: Clearly explain that all modified files are exclusively within `tools/bpf/bpftool/`, which is a user-space utility and documentation that does not influence the compiled kernel image or any kernel modules. * `FocusSymbols`: `[]` * `EnableConfigs`: `[]` Finally, to be completely thorough, let's verify that there are no other commits or files involved. The diff provided confirms that the changes are strictly within `tools/bpf/bpftool/`. Given these findings, `WorthFuzzing` is definitively `false`. Time to call `set-results` and provide the appropriate response. |
| 4/2 | 2026/09/18 14:22 | tool | set-results |
0mArgs:{
"EnableConfigs": [],
"FocusSymbols": [],
"Reasoning": "All changes in this patch series are confined to tools/bpf/bpftool/ (bpftool user-space tool source code, embedded profiler BPF skeleton, and documentation). These changes do not affect the compiled kernel image (vmlinux) or any kernel modules, making them ineligible for kernel fuzzing with syzkaller.",
"WorthFuzzing": false
}Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"Reasoning": "All changes in this patch series are confined to tools/bpf/bpftool/ (bpftool user-space tool source code, embedded profiler BPF skeleton, and documentation). These changes do not affect the compiled kernel image (vmlinux) or any kernel modules, making them ineligible for kernel fuzzing with syzkaller.",
"WorthFuzzing": false
} |
| 5/1 | 2026/09/18 14:22 | action | If |
0mArgs:{
"WorthFuzzing": false
}Results: null |
| Total Calls | Total Tokens | Avg Tokens | Total Duration (Seconds) | Avg Duration (Seconds) |
|---|
| Total Calls | Total Duration (Seconds) | Avg Duration (Seconds) |
|---|