2026-08-15 18:58:53 cd /lkp/benchmarks/perf-fuzzer/fuzzer Seeding perf-fuzzer by 1068551605 based on igk-rpl-d05/debian-13-x86_64-20250902.cgz/x86_64-rhel-9.4-bpf glibc version ldd (Debian GLIBC 2.41-12) 2.41 2026-08-15 18:58:53 timeout 3600 ./perf_fuzzer -r 1068551605 Using user-specified random seed of 1068551605 *** perf_fuzzer 0.32-rc0 *** by Vince Weaver Linux version 7.2.0-rc4+ x86_64 Processor: Intel 6/186/2 Watchdog enabled with timeout 60s Will auto-exit if signal storm detected Seeding RNG with supplied seed 1068551605 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 1068551605 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=840, sleeping 1s ================================================== Starting fuzzing at 2026-08-15 18:58:54 ================================================== Cannot open /sys/kernel/tracing/events/probe/VMW/id Throttling event 23 fd 31, last_refresh=0, period=52689, type=4 throttles 0 Throttling event 23 fd 31, last_refresh=0, period=52689, type=4 throttles 1 Throttling event 23 fd 31, last_refresh=0, period=52689, type=4 throttles 2 Throttling event 23 fd 31, last_refresh=0, period=52689, type=4 throttles 3 Throttling event 23 fd 31, last_refresh=0, period=52689, type=4 throttles 4 Throttling event 23 fd 31, last_refresh=0, period=52689, type=4 throttles 5 Throttling event 35 fd 44, last_refresh=0, period=562949953683456, type=4 throttles 0 Throttling event 35 fd 44, last_refresh=0, period=562949953683456, type=4 throttles 1 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 0 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 1 Throttling event 35 fd 44, last_refresh=0, period=562949953683456, type=4 throttles 2 Throttling event 35 fd 44, last_refresh=0, period=562949953683456, type=4 throttles 3 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 2 Throttling event 35 fd 44, last_refresh=0, period=562949953683456, type=4 throttles 4 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 3 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 4 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 5 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 6 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 7 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 8 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 9 Throttling event 9 fd 13, last_refresh=0, period=268435456, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Signal from invalid fd 13 Bad file descriptor Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 0 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 1 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 2 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 3 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 4 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 5 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 6 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 7 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 8 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 9 Throttling event 37 fd 44, last_refresh=0, period=269488128, type=3 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Signal from invalid fd 44 Bad file descriptor Throttling event 8 fd 14, last_refresh=0, period=262144, type=0 throttles 0 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 0 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 1 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 2 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 3 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 4 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 5 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 6 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 7 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 8 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 9 Throttling event 17 fd 24, last_refresh=0, period=38293, type=3 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Signal from invalid fd 24 Bad file descriptor Signal from invalid fd 66 Bad file descriptor Throttling event 34 fd 42, last_refresh=0, period=21588, type=1 throttles 0 SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow SIGIO due to RT queue overflow Signal from invalid fd 42 Bad file descriptor Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 0 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 1 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 2 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 3 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 4 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 5 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 6 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 7 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 8 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 9 Throttling event 58 fd 67, last_refresh=0, period=255, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Signal from invalid fd 67 Bad file descriptor Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 0 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 1 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 2 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 3 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 4 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 5 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 6 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 7 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 8 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 9 Throttling event 80 fd 59, last_refresh=0, period=38633820332835, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Signal from invalid fd 59 Bad file descriptor Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 0 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 1 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 2 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 3 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 4 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 5 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 6 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 7 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 8 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 9 Throttling event 88 fd 89, last_refresh=0, period=4702111234474983745, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Signal from invalid fd 89 Bad file descriptor Signal from invalid fd 109 Bad file descriptor Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 0 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 1 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 2 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 3 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 4 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 5 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 6 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 7 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 8 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 9 Throttling event 132 fd 55, last_refresh=0, period=549755813888, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 143 fd 145, last_refresh=0, period=46116, type=1 throttles 0 Throttling event 143 fd 145, last_refresh=0, period=46116, type=1 throttles 1 Throttling event 143 fd 145, last_refresh=0, period=46116, type=1 throttles 2 Throttling event 143 fd 145, last_refresh=0, period=46116, type=1 throttles 3 Throttling event 143 fd 145, last_refresh=0, period=46116, type=1 throttles 4 Throttling event 143 fd 145, last_refresh=0, period=46116, type=1 throttles 5 Throttling event 143 fd 145, last_refresh=0, period=46116, type=1 throttles 6 Throttling event 143 fd 145, last_refresh=0, period=46116, type=1 throttles 7 Signal from invalid fd 145 Bad file descriptor Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 0 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 1 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 2 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 3 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 4 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 5 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 6 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 7 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 8 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 9 Throttling event 91 fd 51, last_refresh=0, period=131072, type=0 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 67 fd 103, last_refresh=0, period=1, type=1 throttles 0 Throttling event 118 fd 125, last_refresh=0, period=17250124032, type=11 throttles 0 Throttling event 118 fd 125, last_refresh=0, period=17250124032, type=11 throttles 1 Throttling event 118 fd 125, last_refresh=0, period=17250124032, type=11 throttles 2 Throttling event 118 fd 125, last_refresh=0, period=17250124032, type=11 throttles 3 Throttling event 118 fd 125, last_refresh=0, period=17250124032, type=11 throttles 4 Throttling event 118 fd 125, last_refresh=0, period=17250124032, type=11 throttles 5 Throttling event 118 fd 125, last_refresh=0, period=17250124032, type=11 throttles 6 Throttling event 68 fd 86, last_refresh=0, period=29884997237, type=0 throttles 0 Throttling event 68 fd 86, last_refresh=0, period=29884997237, type=0 throttles 1 Throttling event 68 fd 86, last_refresh=0, period=29884997237, type=0 throttles 2 Throttling event 68 fd 86, last_refresh=0, period=29884997237, type=0 throttles 3 Throttling event 68 fd 86, last_refresh=0, period=29884997237, type=0 throttles 4 Throttling event 68 fd 86, last_refresh=0, period=29884997237, type=0 throttles 5 Signal from invalid fd 86 Bad file descriptor Throttling event 85 fd 98, last_refresh=0, period=71575950470357167, type=3 throttles 0 Throttling event 85 fd 98, last_refresh=0, period=71575950470357167, type=3 throttles 1 Throttling event 85 fd 98, last_refresh=0, period=71575950470357167, type=3 throttles 2 Throttling event 85 fd 98, last_refresh=0, period=71575950470357167, type=3 throttles 3 Throttling event 85 fd 98, last_refresh=0, period=71575950470357167, type=3 throttles 4 Throttling event 85 fd 98, last_refresh=0, period=71575950470357167, type=3 throttles 5 Throttling event 85 fd 98, last_refresh=0, period=71575950470357167, type=3 throttles 6 Throttling event 85 fd 98, last_refresh=0, period=71575950470357167, type=3 throttles 7 Throttling event 16 fd 26, last_refresh=0, period=6917529027641081856, type=0 throttles 0 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 0 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 1 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 2 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 3 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 4 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 5 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 6 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 7 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 8 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 9 Throttling event 71 fd 63, last_refresh=0, period=1024, type=1 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Signal from invalid fd 63 Bad file descriptor Throttling event 2 fd 12, last_refresh=0, period=282626181086272, type=4 throttles 0 Throttling event 2 fd 12, last_refresh=0, period=282626181086272, type=4 throttles 1 Throttling event 2 fd 12, last_refresh=0, period=282626181086272, type=4 throttles 2 Throttling event 2 fd 12, last_refresh=0, period=282626181086272, type=4 throttles 3 Throttling event 2 fd 12, last_refresh=0, period=282626181086272, type=4 throttles 4 Throttling event 2 fd 12, last_refresh=0, period=282626181086272, type=4 throttles 5 Throttling event 126 fd 137, last_refresh=0, period=71, type=4 throttles 0 Throttling event 126 fd 137, last_refresh=0, period=71, type=4 throttles 1 Throttling event 126 fd 137, last_refresh=0, period=71, type=4 throttles 2 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 0 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 1 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 2 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 3 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 4 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 5 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 6 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 7 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 8 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 9 Throttling event 59 fd 147, last_refresh=0, period=22, type=0 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Signal from invalid fd 147 Bad file descriptor Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 0 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 1 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 2 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 3 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 4 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 5 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 6 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 7 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 8 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 9 Throttling event 0 fd 24, last_refresh=0, period=17179869184, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up Throttling event 144 fd 95, last_refresh=0, period=4096, type=1 throttles 0 Throttling event 144 fd 95, last_refresh=0, period=4096, type=1 throttles 1 Throttling event 144 fd 95, last_refresh=0, period=4096, type=1 throttles 2 Throttling event 144 fd 95, last_refresh=0, period=4096, type=1 throttles 3 Throttling event 144 fd 95, last_refresh=0, period=4096, type=1 throttles 4 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 0 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 1 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 2 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 3 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 4 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 5 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 6 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 7 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 8 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 9 Throttling event 209 fd 218, last_refresh=0, period=576460752317526310, type=4 throttles 10 Stuck in a signal storm w/o forward progress; Max throttle count hit, giving up perf fuzzer test exits with status 134