./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1265307563 <...> Warning: Permanently added '10.128.10.4' (ED25519) to the list of known hosts. execve("./syz-executor1265307563", ["./syz-executor1265307563"], 0x7ffdb7b53b10 /* 10 vars */) = 0 brk(NULL) = 0x55557ca7c000 brk(0x55557ca7cd00) = 0x55557ca7cd00 arch_prctl(ARCH_SET_FS, 0x55557ca7c380) = 0 set_tid_address(0x55557ca7c650) = 5086 set_robust_list(0x55557ca7c660, 24) = 0 rseq(0x55557ca7cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1265307563", 4096) = 28 getrandom("\x97\x97\x0b\x4c\x17\xca\x93\xdd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557ca7cd00 brk(0x55557ca9dd00) = 0x55557ca9dd00 brk(0x55557ca9e000) = 0x55557ca9e000 mprotect(0x7f4ce0990000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached , child_tidptr=0x55557ca7c650) = 5087 [pid 5086] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] set_robust_list(0x55557ca7c660, 24) = 0 ./strace-static-x86_64: Process 5088 attached [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5088 [pid 5088] set_robust_list(0x55557ca7c660, 24 [pid 5086] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5090 attached ./strace-static-x86_64: Process 5089 attached [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5090 [pid 5090] set_robust_list(0x55557ca7c660, 24 [pid 5089] set_robust_list(0x55557ca7c660, 24 [pid 5087] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5089 [pid 5086] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached [pid 5090] <... set_robust_list resumed>) = 0 [pid 5089] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5092 attached [pid 5091] set_robust_list(0x55557ca7c660, 24 [pid 5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5091 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] <... set_robust_list resumed>) = 0 [pid 5089] <... prctl resumed>) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] setpgid(0, 0 [pid 5086] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5092 [pid 5092] set_robust_list(0x55557ca7c660, 24 [pid 5091] setpgid(0, 0 [pid 5089] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5093 attached [pid 5086] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] <... setpgid resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] set_robust_list(0x55557ca7c660, 24 [pid 5092] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5093 [pid 5089] <... openat resumed>) = 3 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5091] <... openat resumed>) = 3 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] write(3, "1000", 4 [pid 5093] setpgid(0, 0 [pid 5091] write(3, "1000", 4 [pid 5089] <... write resumed>) = 4 [pid 5093] <... setpgid resumed>) = 0 [pid 5091] <... write resumed>) = 4 [pid 5089] close(3 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5091] close(3 [pid 5089] <... close resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5091] <... close resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 5095 attached ./strace-static-x86_64: Process 5094 attached [pid 5091] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5086] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5095 [pid 5094] set_robust_list(0x55557ca7c660, 24 [pid 5095] set_robust_list(0x55557ca7c660, 24 [pid 5093] write(3, "1000", 4 [pid 5092] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5094 [pid 5091] <... openat resumed>) = 3 [pid 5089] <... openat resumed>) = 3 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] <... write resumed>) = 4 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5093] close(3 [pid 5091] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5093] <... close resumed>) = 0 [pid 5089] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5094] <... prctl resumed>) = 0 [pid 5093] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5091] <... ioctl resumed>) = 0 [pid 5089] <... ioctl resumed>) = 0 [pid 5094] setpgid(0, 0 [pid 5093] <... openat resumed>) = 3 [pid 5089] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5089] <... ioctl resumed>) = 0 [pid 5091] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5094] <... setpgid resumed>) = 0 [pid 5093] <... ioctl resumed>) = 0 [pid 5091] <... ioctl resumed>) = 0 [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] <... ioctl resumed>) = 0 [pid 5091] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5089] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5094] <... openat resumed>) = 3 [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5096 attached [pid 5094] write(3, "1000", 4 [pid 5093] <... ioctl resumed>) = 0 [pid 5091] <... ioctl resumed>) = 0 [pid 5089] <... ioctl resumed>) = 0 [pid 5096] set_robust_list(0x55557ca7c660, 24 [pid 5094] <... write resumed>) = 4 [pid 5095] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5096 [pid 5093] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5091] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5096] <... set_robust_list resumed>) = 0 [pid 5094] close(3 [pid 5093] <... openat resumed>) = 4 [pid 5094] <... close resumed>) = 0 [pid 5093] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5091] <... openat resumed>) = 4 [pid 5089] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5093] <... ioctl resumed>) = 0 [pid 5091] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5089] <... openat resumed>) = 4 [pid 5093] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5089] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5096] <... prctl resumed>) = 0 [pid 5094] <... openat resumed>) = 3 [pid 5093] <... ioctl resumed>) = 0 [pid 5091] <... ioctl resumed>) = 0 [pid 5096] setpgid(0, 0 [pid 5093] exit_group(0 [pid 5089] <... ioctl resumed>) = 0 [pid 5091] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5096] <... setpgid resumed>) = 0 [pid 5094] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5093] <... exit_group resumed>) = ? [pid 5094] <... ioctl resumed>) = 0 [pid 5091] <... ioctl resumed>) = 0 [pid 5089] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5091] exit_group(0 [pid 5089] <... ioctl resumed>) = 0 [pid 5089] exit_group(0) = ? [pid 5093] +++ exited with 0 +++ [pid 5096] <... openat resumed>) = 3 [pid 5094] <... ioctl resumed>) = 0 [pid 5091] <... exit_group resumed>) = ? [pid 5090] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5090] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5094] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3 [pid 5094] <... ioctl resumed>) = 0 [pid 5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] <... close resumed>) = 0 [pid 5094] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 4 ./strace-static-x86_64: Process 5097 attached [pid 5096] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5089] +++ exited with 0 +++ [pid 5097] set_robust_list(0x55557ca7c660, 24 [pid 5096] <... openat resumed>) = 3 [pid 5091] +++ exited with 0 +++ [pid 5094] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5090] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5097 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5094] <... ioctl resumed>) = 0 [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... ioctl resumed>) = 0 [pid 5094] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5088] restart_syscall(<... resuming interrupted clone ...> [pid 5087] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5097] <... prctl resumed>) = 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] setpgid(0, 0 [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5094] <... ioctl resumed>) = 0 [pid 5088] <... restart_syscall resumed>) = 0 [pid 5096] <... ioctl resumed>) = 0 [pid 5094] exit_group(0 [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5098 attached [pid 5097] <... setpgid resumed>) = 0 [pid 5096] <... ioctl resumed>) = 0 [pid 5094] <... exit_group resumed>) = ? [pid 5098] set_robust_list(0x55557ca7c660, 24 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5087] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5098 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5097] <... openat resumed>) = 3 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] write(3, "1000", 4 [pid 5096] <... openat resumed>) = 4 [pid 5094] +++ exited with 0 +++ [pid 5098] <... prctl resumed>) = 0 [pid 5097] <... write resumed>) = 4 [pid 5098] setpgid(0, 0 [pid 5097] close(3./strace-static-x86_64: Process 5099 attached [pid 5098] <... setpgid resumed>) = 0 [pid 5097] <... close resumed>) = 0 [pid 5096] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5092] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5099] set_robust_list(0x55557ca7c660, 24 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5099 [pid 5098] <... openat resumed>) = 3 [pid 5096] <... ioctl resumed>) = 0 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] write(3, "1000", 4 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5097] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5096] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5099] <... prctl resumed>) = 0 [pid 5096] <... ioctl resumed>) = 0 [pid 5099] setpgid(0, 0 [pid 5098] <... write resumed>) = 4 [pid 5097] <... openat resumed>) = 3 [pid 5098] close(3 [pid 5096] exit_group(0 [pid 5092] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] <... setpgid resumed>) = 0 [pid 5098] <... close resumed>) = 0 [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5096] <... exit_group resumed>) = ? [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 5100 attached [pid 5099] <... openat resumed>) = 3 [pid 5098] <... openat resumed>) = 3 [pid 5097] <... ioctl resumed>) = 0 [pid 5096] +++ exited with 0 +++ [pid 5092] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5100 [pid 5100] set_robust_list(0x55557ca7c660, 24 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] write(3, "1000", 4 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] <... ioctl resumed>) = 0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... write resumed>) = 4 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5095] <... restart_syscall resumed>) = 0 [pid 5099] close(3 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] <... ioctl resumed>) = 0 [pid 5100] <... prctl resumed>) = 0 [pid 5099] <... close resumed>) = 0 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5097] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5100] setpgid(0, 0 [pid 5099] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5098] <... ioctl resumed>) = 0 [pid 5097] <... openat resumed>) = 4 [pid 5100] <... setpgid resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... openat resumed>) = 3 [pid 5098] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5097] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5098] <... openat resumed>) = 4 [pid 5097] <... ioctl resumed>) = 0 [pid 5099] <... ioctl resumed>) = 0 [pid 5097] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5098] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5097] <... ioctl resumed>) = 0 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] exit_group(0 [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5098] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5100] <... openat resumed>) = 3 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5097] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5101 attached [pid 5100] write(3, "1000", 4 [pid 5099] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5098] exit_group(0 [pid 5101] set_robust_list(0x55557ca7c660, 24 [pid 5100] <... write resumed>) = 4 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] close(3 [pid 5095] <... clone resumed>, child_tidptr=0x55557ca7c650) = 5101 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... close resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5101] <... prctl resumed>) = 0 [pid 5101] setpgid(0, 0 [pid 5100] <... openat resumed>) = 3 [pid 5101] <... setpgid resumed>) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5101] <... openat resumed>) = 3 [pid 5101] write(3, "1000", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 [pid 5101] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5099] <... openat resumed>) = 4 [pid 5098] <... exit_group resumed>) = ? [pid 5099] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5090] kill(-5097, SIGKILL) = 0 [pid 5090] kill(5097, SIGKILL) = 0 [pid 5088] kill(-5099, SIGKILL [pid 5087] kill(-5098, SIGKILL [pid 5088] <... kill resumed>) = 0 [pid 5087] <... kill resumed>) = 0 [pid 5088] kill(5099, SIGKILL [pid 5087] kill(5098, SIGKILL [pid 5088] <... kill resumed>) = 0 [pid 5087] <... kill resumed>) = 0 [pid 5092] kill(-5100, SIGKILL) = 0 [pid 5092] kill(5100, SIGKILL) = 0 [pid 5095] kill(-5101, SIGKILL) = 0 [pid 5095] kill(5101, SIGKILL) = 0 [pid 5095] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5090] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5095] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5090] newfstatat(3, "", [pid 5095] getdents64(3, [pid 5090] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5090] getdents64(3, 0x55557ca7d6f0 /* 2 entries */, 32768) = 48 [pid 5095] <... getdents64 resumed>0x55557ca7d6f0 /* 2 entries */, 32768) = 48 [pid 5095] getdents64(3, 0x55557ca7d6f0 /* 0 entries */, 32768) = 0 [pid 5090] getdents64(3, [pid 5095] close(3 [pid 5092] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5090] <... getdents64 resumed>0x55557ca7d6f0 /* 0 entries */, 32768) = 0 [pid 5095] <... close resumed>) = 0 [pid 5092] <... openat resumed>) = 3 [pid 5090] close(3 [pid 5092] newfstatat(3, "", [pid 5090] <... close resumed>) = 0 [pid 5088] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5092] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5092] getdents64(3, [pid 5088] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5092] <... getdents64 resumed>0x55557ca7d6f0 /* 2 entries */, 32768) = 48 [pid 5088] getdents64(3, [pid 5092] getdents64(3, 0x55557ca7d6f0 /* 0 entries */, 32768) = 0 [pid 5092] close(3 [pid 5088] <... getdents64 resumed>0x55557ca7d6f0 /* 2 entries */, 32768) = 48 [pid 5092] <... close resumed>) = 0 [pid 5088] getdents64(3, 0x55557ca7d6f0 /* 0 entries */, 32768) = 0 [pid 5088] close(3) = 0 [pid 5087] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5087] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5087] getdents64(3, 0x55557ca7d6f0 /* 2 entries */, 32768) = 48 [pid 5087] getdents64(3, 0x55557ca7d6f0 /* 0 entries */, 32768) = 0 [pid 5087] close(3) = 0 [ 92.578181][ T56] cfg80211: failed to load regulatory.db [ 187.375355][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 187.382463][ C1] rcu: 0-...0: (1 GPs behind) idle=8854/1/0x4000000000000000 softirq=6533/6534 fqs=2100 [ 187.393214][ C1] rcu: hardirqs softirqs csw/system [ 187.399661][ C1] rcu: number: 0 0 0 [ 187.406194][ C1] rcu: cputime: 0 0 0 ==> 52550(ms) [ 187.414022][ C1] rcu: (detected by 1, t=10506 jiffies, g=7477, q=284 ncpus=2) [ 187.421679][ C1] Sending NMI from CPU 1 to CPUs 0: [ 187.426914][ C0] NMI backtrace for cpu 0 [ 187.426926][ C0] CPU: 0 PID: 5097 Comm: syz-executor126 Not tainted 6.9.0-rc4-syzkaller-00164-gdbe0a7be2838 #0 [ 187.426945][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 187.426955][ C0] RIP: 0010:lock_release+0x185/0x9f0 [ 187.426994][ C0] Code: 84 24 b0 00 00 00 00 00 00 00 9c 8f 84 24 b0 00 00 00 42 80 3c 3b 00 74 08 4c 89 f7 e8 d4 c0 87 00 48 8b 9c 24 b0 00 00 00 fa <48> c7 c7 80 c5 ca 8b e8 9f 2a 0d 0a 65 ff 05 88 e7 8f 7e 48 8d 94 [ 187.427008][ C0] RSP: 0018:ffffc90000007a60 EFLAGS: 00000046 [ 187.427024][ C0] RAX: 0000000000000000 RBX: 0000000000000046 RCX: ffffffff8172a210 [ 187.427036][ C0] RDX: 0000000000000000 RSI: ffffffff8c1f8540 RDI: ffffffff8c1f8500 [ 187.427048][ C0] RBP: ffffc90000007b90 R08: ffffffff8fa8e16f R09: 1ffffffff1f51c2d [ 187.427061][ C0] R10: dffffc0000000000 R11: fffffbfff1f51c2e R12: 1ffff92000000f58 [ 187.427075][ C0] R13: ffffffff84b6c845 R14: ffffc90000007b10 R15: dffffc0000000000 [ 187.427088][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 187.427103][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 187.427115][ C0] CR2: 00007f4ce0997130 CR3: 000000000e134000 CR4: 00000000003506f0 [ 187.427130][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 187.427140][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 187.427151][ C0] Call Trace: [ 187.427161][ C0] [ 187.427169][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 187.427193][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 187.427214][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 187.427230][ C0] ? nmi_handle+0x2a/0x5a0 [ 187.427258][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 187.427280][ C0] ? nmi_handle+0x14f/0x5a0 [ 187.427298][ C0] ? nmi_handle+0x2a/0x5a0 [ 187.427317][ C0] ? lock_release+0x185/0x9f0 [ 187.427334][ C0] ? default_do_nmi+0x63/0x160 [ 187.427353][ C0] ? exc_nmi+0x123/0x1f0 [ 187.427370][ C0] ? end_repeat_nmi+0xf/0x53 [ 187.427392][ C0] ? debug_object_deactivate+0x2d5/0x390 [ 187.427426][ C0] ? lock_release+0xb0/0x9f0 [ 187.427444][ C0] ? lock_release+0x185/0x9f0 [ 187.427462][ C0] ? lock_release+0x185/0x9f0 [ 187.427481][ C0] ? lock_release+0x185/0x9f0 [ 187.427499][ C0] [ 187.427504][ C0] [ 187.427514][ C0] ? debug_object_deactivate+0x2d5/0x390 [ 187.427539][ C0] ? do_raw_spin_lock+0x14f/0x370 [ 187.427564][ C0] ? __pfx_lock_release+0x10/0x10 [ 187.427588][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 187.427616][ C0] _raw_spin_unlock_irqrestore+0x79/0x140 [ 187.427642][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 187.427674][ C0] debug_object_deactivate+0x2d5/0x390 [ 187.427702][ C0] ? __pfx_debug_object_deactivate+0x10/0x10 [ 187.427731][ C0] ? timerqueue_add+0x260/0x290 [ 187.427763][ C0] debug_deactivate+0x1b/0x220 [ 187.427789][ C0] __hrtimer_run_queues+0x30f/0xd50 [ 187.427830][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 187.427854][ C0] ? ktime_get_update_offsets_now+0x411/0x430 [ 187.427877][ C0] hrtimer_interrupt+0x396/0x990 [ 187.427915][ C0] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 187.427946][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 187.427969][ C0] [ 187.427974][ C0] [ 187.427981][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 187.428002][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 187.428027][ C0] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 3e ea 6f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 c3 2d db f5 65 8b 05 34 5a 79 74 85 c0 74 43 48 c7 04 24 0e 36 [ 187.428041][ C0] RSP: 0018:ffffc900035cf940 EFLAGS: 00000206 [ 187.428056][ C0] RAX: 4dd6f8d8e844c700 RBX: 1ffff920006b9f2c RCX: ffffffff8172edda [ 187.428069][ C0] RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001 [ 187.428081][ C0] RBP: ffffc900035cf9d0 R08: ffffffff92f32587 R09: 1ffffffff25e64b0 [ 187.428094][ C0] R10: dffffc0000000000 R11: fffffbfff25e64b1 R12: dffffc0000000000 [ 187.428107][ C0] R13: 1ffff920006b9f28 R14: ffffc900035cf960 R15: 0000000000000246 [ 187.428124][ C0] ? mark_lock+0x9a/0x350 [ 187.428147][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 187.428179][ C0] snd_timer_stop1+0x7e6/0x950 [ 187.428212][ C0] snd_timer_close_locked+0x223/0x8d0 [ 187.428237][ C0] ? __fsnotify_parent+0x20c/0x5e0 [ 187.428262][ C0] snd_timer_user_release+0x138/0x2e0 [ 187.428292][ C0] ? __pfx_snd_timer_user_release+0x10/0x10 [ 187.428321][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 187.428340][ C0] ? evm_file_release+0x140/0x1d0 [ 187.428360][ C0] ? __pfx_snd_timer_user_release+0x10/0x10 [ 187.428387][ C0] __fput+0x429/0x8a0 [ 187.428417][ C0] task_work_run+0x24f/0x310 [ 187.428446][ C0] ? __pfx_task_work_run+0x10/0x10 [ 187.428473][ C0] ? switch_task_namespaces+0xe1/0x110 [ 187.428492][ C0] do_exit+0xa1b/0x27e0 [ 187.428521][ C0] ? __pfx_do_exit+0x10/0x10 [ 187.428544][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 187.428564][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 187.428585][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 187.428609][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 187.428633][ C0] do_group_exit+0x207/0x2c0 [ 187.428660][ C0] __x64_sys_exit_group+0x3f/0x40 [ 187.428684][ C0] do_syscall_64+0xf5/0x240 [ 187.428708][ C0] ? clear_bhb_loop+0x35/0x90 [ 187.428730][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 187.428750][ C0] RIP: 0033:0x7f4ce091bdb9 [ 187.428763][ C0] Code: Unable to access opcode bytes at 0x7f4ce091bd8f. [ 187.428772][ C0] RSP: 002b:00007ffe7c0ef1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 187.428788][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4ce091bdb9 [ 187.428800][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 187.428816][ C0] RBP: 00007f4ce09962b0 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 187.428828][ C0] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007f4ce09962b0 [ 187.428839][ C0] R13: 0000000000000000 R14: 00007f4ce0996d20 R15: 00007f4ce08ecf50 [ 187.428860][ C0] [ 187.428868][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.954 msecs