2025-10-29 23:11:20 cd /lkp/benchmarks/perf-fuzzer/fuzzer Seeding perf-fuzzer by 4100278737 based on lkp-hsw-d05/debian-13-x86_64-20250902.cgz/x86_64-rhel-9.4-bpf glibc version ldd (Debian GLIBC 2.41-12) 2.41 2025-10-29 23:11:20 timeout 3600 ./perf_fuzzer -r 4100278737 Using user-specified random seed of -194688559 *** perf_fuzzer 0.32-rc0 *** by Vince Weaver Linux version 6.17.0-rc1-00015-g448f97fba901 x86_64 Processor: Intel 6/60/3 Watchdog enabled with timeout 60s Will auto-exit if signal storm detected Seeding RNG with supplied seed -194688559 To reproduce, try: echo 1 > /proc/sys/kernel/nmi_watchdog echo 2 > /proc/sys/kernel/perf_event_paranoid echo 100000 > /proc/sys/kernel/perf_event_max_sample_rate ./perf_fuzzer -r 4100278737 Fuzzing the following syscalls: mmap perf_event_open close read write ioctl fork prctl poll vsyscall affinity Also attempting the following: signal-handler-on-overflow busy-instruction-loop accessing-perf-proc-and-sys-files trashing-the-mmap-page Pid=746, sleeping 1s ================================================== Starting fuzzing at 2025-10-29 23:11:21 ================================================== Cannot open /sys/kernel/tracing/events/probe/VMW/id Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 0 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 1 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 2 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 3 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 4 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 5 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 6 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 7 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 8 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 9 Throttling event 16 fd 22, last_refresh=0, period=72113781298277, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 107 fd 124, last_refresh=0, period=64, type=1 throttles 0 Throttling event 107 fd 124, last_refresh=0, period=64, type=1 throttles 1 SIGIO due to RT queue overflow Throttling event 12 fd 9, last_refresh=0, period=16, type=1 throttles 0 SIGIO due to RT queue overflow SIGIO due to RT queue overflow Signal from invalid fd 9 Bad file descriptor Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 0 Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 1 Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 2 Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 3 Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 4 Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 5 Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 6 Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 7 Throttling event 39 fd 51, last_refresh=0, period=6292546, type=4 throttles 8 Throttling event 14 fd 15, last_refresh=0, period=4294967295, type=0 throttles 0 Throttling event 14 fd 15, last_refresh=0, period=4294967295, type=0 throttles 1 Throttling event 14 fd 15, last_refresh=0, period=4294967295, type=0 throttles 2 Throttling event 14 fd 15, last_refresh=0, period=4294967295, type=0 throttles 3 Throttling event 14 fd 15, last_refresh=0, period=4294967295, type=0 throttles 4 Throttling event 14 fd 15, last_refresh=0, period=4294967295, type=0 throttles 5 Throttling event 14 fd 15, last_refresh=0, period=4294967295, type=0 throttles 6 Signal from invalid fd 44 Bad file descriptor Throttling event 15 fd 10, last_refresh=0, period=4611686018701385728, type=0 throttles 0 Signal from invalid fd 17 Bad file descriptor Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 0 Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 1 Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 2 Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 3 Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 4 Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 5 Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 6 Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 7 Throttling event 22 fd 28, last_refresh=0, period=128, type=0 throttles 8 Signal from invalid fd 8 Inappropriate ioctl for device Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 0 Throttling event 28 fd 37, last_refresh=0, period=2273806215, type=4 throttles 0 Throttling event 28 fd 37, last_refresh=0, period=2273806215, type=4 throttles 1 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 1 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 2 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 3 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 4 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 5 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 6 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 7 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 8 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 9 Throttling event 35 fd 50, last_refresh=0, period=11053224, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 23 fd 33, last_refresh=0, period=72057594037928960, type=4 throttles 0 Throttling event 23 fd 33, last_refresh=0, period=72057594037928960, type=4 throttles 1 Throttling event 23 fd 33, last_refresh=0, period=72057594037928960, type=4 throttles 2 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 0 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 1 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 2 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 3 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 4 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 5 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 6 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 7 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 8 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 9 Throttling event 47 fd 54, last_refresh=0, period=4312203427, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 63 fd 45, last_refresh=0, period=830164628485163783, type=0 throttles 0 Throttling event 63 fd 45, last_refresh=0, period=830164628485163783, type=0 throttles 1 Throttling event 36 fd 29, last_refresh=0, period=403063316336, type=4 throttles 0 Throttling event 36 fd 29, last_refresh=0, period=403063316336, type=4 throttles 1 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 0 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 1 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 2 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 3 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 4 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 5 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 6 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 7 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 8 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 9 Throttling event 63 fd 66, last_refresh=0, period=3236503552, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 0 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 1 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 2 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 3 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 4 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 5 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 6 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 7 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 8 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 9 Throttling event 178 fd 185, last_refresh=0, period=2048, type=0 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 0 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 1 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 2 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 3 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 4 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 5 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 6 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 7 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 8 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 9 Throttling event 126 fd 153, last_refresh=0, period=512, type=3 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 5 fd 38, last_refresh=0, period=43, type=4 throttles 0 Throttling event 5 fd 38, last_refresh=0, period=43, type=4 throttles 1 Throttling event 5 fd 38, last_refresh=0, period=43, type=4 throttles 2 Throttling event 5 fd 38, last_refresh=0, period=43, type=4 throttles 3 Throttling event 5 fd 38, last_refresh=0, period=43, type=4 throttles 4 Throttling event 5 fd 38, last_refresh=0, period=43, type=4 throttles 5 Throttling event 123 fd 125, last_refresh=0, period=117, type=0 throttles 0 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 0 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 1 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 2 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 3 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 4 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 5 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 6 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 7 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 8 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 9 Throttling event 38 fd 24, last_refresh=0, period=402980864, type=0 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 117 fd 132, last_refresh=0, period=503243185, type=0 throttles 0 Throttling event 117 fd 132, last_refresh=0, period=503243185, type=0 throttles 1 Throttling event 117 fd 132, last_refresh=0, period=503243185, type=0 throttles 2 Throttling event 94 fd 113, last_refresh=0, period=100941824, type=0 throttles 0 Throttling event 94 fd 113, last_refresh=0, period=100941824, type=0 throttles 1 Throttling event 94 fd 113, last_refresh=0, period=100941824, type=0 throttles 2 Throttling event 18 fd 18, last_refresh=0, period=1117057, type=0 throttles 0 Throttling event 18 fd 18, last_refresh=0, period=1117057, type=0 throttles 1 Throttling event 18 fd 18, last_refresh=0, period=1117057, type=0 throttles 2 Throttling event 18 fd 18, last_refresh=0, period=1117057, type=0 throttles 3 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 0 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 1 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 2 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 3 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 4 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 5 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 6 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 7 Throttling event 106 fd 86, last_refresh=0, period=55, type=3 throttles 8 Watchdog triggered; failed to progress for 60 seconds; killing Trying to cleanly shudtdown pid 10021 Done... Trying to shut ourselves down: 746, last child 10021 perf fuzzer test exits with status 1