./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor278810667 <...> Warning: Permanently added '10.128.0.115' (ED25519) to the list of known hosts. execve("./syz-executor278810667", ["./syz-executor278810667"], 0x7fff06242f70 /* 10 vars */) = 0 brk(NULL) = 0x555561462000 brk(0x555561462d00) = 0x555561462d00 arch_prctl(ARCH_SET_FS, 0x555561462380) = 0 set_tid_address(0x555561462650) = 5087 set_robust_list(0x555561462660, 24) = 0 rseq(0x555561462ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor278810667", 4096) = 27 getrandom("\x10\x7e\x6f\xbe\x27\x27\x4b\xab", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555561462d00 brk(0x555561483d00) = 0x555561483d00 brk(0x555561484000) = 0x555561484000 mprotect(0x7f2070bbb000, 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 5088 attached , child_tidptr=0x555561462650) = 5088 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] set_robust_list(0x555561462660, 24) = 0 ./strace-static-x86_64: Process 5089 attached [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] <... clone resumed>, child_tidptr=0x555561462650) = 5089 [pid 5089] set_robust_list(0x555561462660, 24./strace-static-x86_64: Process 5090 attached ) = 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] set_robust_list(0x555561462660, 24 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] <... clone resumed>, child_tidptr=0x555561462650) = 5090 [pid 5090] <... set_robust_list resumed>) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5091 attached ./strace-static-x86_64: Process 5092 attached ) = 0 [pid 5087] <... clone resumed>, child_tidptr=0x555561462650) = 5091 [pid 5091] set_robust_list(0x555561462660, 24 [pid 5092] set_robust_list(0x555561462660, 24 [pid 5090] setpgid(0, 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] <... setpgid resumed>) = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... clone resumed>, child_tidptr=0x555561462650) = 5092 [pid 5092] <... prctl resumed>) = 0 [pid 5090] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5094 attached ./strace-static-x86_64: Process 5093 attached [pid 5092] setpgid(0, 0 [pid 5090] write(3, "1000", 4 [pid 5087] <... clone resumed>, child_tidptr=0x555561462650) = 5094 [pid 5092] <... setpgid resumed>) = 0 [pid 5093] set_robust_list(0x555561462660, 24 [pid 5094] set_robust_list(0x555561462660, 24 [pid 5091] <... clone resumed>, child_tidptr=0x555561462650) = 5093 [pid 5090] <... write resumed>) = 4 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5094] <... set_robust_list resumed>) = 0 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] close(3 [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... close resumed>) = 0 [pid 5090] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY./strace-static-x86_64: Process 5095 attached [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] <... openat resumed>) = 3 [pid 5090] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5096 attached [pid 5093] <... prctl resumed>) = 0 [pid 5096] set_robust_list(0x555561462660, 24 [pid 5094] <... clone resumed>, child_tidptr=0x555561462650) = 5096 [pid 5092] write(3, "1000", 4 [pid 5087] <... clone resumed>, child_tidptr=0x555561462650) = 5095 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5095] set_robust_list(0x555561462660, 24 [pid 5093] setpgid(0, 0 [pid 5092] <... write resumed>) = 4 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] <... set_robust_list resumed>) = 0 [pid 5093] <... setpgid resumed>) = 0 [pid 5092] close(3 [pid 5090] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5096] <... prctl resumed>) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] setpgid(0, 0) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... ioctl resumed>) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5093] <... openat resumed>) = 3 [pid 5092] <... close resumed>) = 0 [pid 5096] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5097 attached [pid 5093] write(3, "1000", 4 [pid 5092] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5090] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5096] write(3, "1000", 4 [pid 5095] <... clone resumed>, child_tidptr=0x555561462650) = 5097 [pid 5092] <... openat resumed>) = 3 [pid 5097] set_robust_list(0x555561462660, 24 [pid 5093] <... write resumed>) = 4 [pid 5092] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5090] <... ioctl resumed>) = 0 [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... write resumed>) = 4 [pid 5093] close(3 [pid 5092] <... ioctl resumed>) = 0 [pid 5090] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5096] close(3 [pid 5093] <... close resumed>) = 0 [pid 5096] <... close resumed>) = 0 [pid 5092] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5093] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5092] <... ioctl resumed>) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5092] ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5090] <... ioctl resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5092] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 4 [pid 5092] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0 [pid 5092] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5097] <... prctl resumed>) = 0 [pid 5096] <... openat resumed>) = 3 [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5092] exit_group(0 [pid 5090] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5097] setpgid(0, 0 [pid 5093] <... ioctl resumed>) = 0 [pid 5092] <... exit_group resumed>) = ? [pid 5097] <... setpgid resumed>) = 0 [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5090] <... openat resumed>) = 4 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5092] +++ exited with 0 +++ [pid 5096] <... ioctl resumed>) = 0 [pid 5093] <... ioctl resumed>) = 0 [pid 5090] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5089] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5093] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5090] <... ioctl resumed>) = 0 [pid 5093] <... ioctl resumed>) = 0 [pid 5096] <... ioctl resumed>) = 0 [pid 5090] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5096] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5093] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5096] <... ioctl resumed>) = 0 [pid 5093] <... openat resumed>) = 4 [pid 5090] <... ioctl resumed>) = 0 [pid 5097] <... openat resumed>) = 3 [pid 5096] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5093] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5090] exit_group(0 [pid 5097] write(3, "1000", 4 [pid 5096] <... openat resumed>) = 4 [pid 5093] <... ioctl resumed>) = 0 [pid 5090] <... exit_group resumed>) = ? [pid 5097] <... write resumed>) = 4 [pid 5097] close(3 [pid 5096] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100) = 0 [pid 5096] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5096] exit_group(0) = ? [pid 5093] ioctl(4, SNDRV_TIMER_IOCTL_START, 0) = 0 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... close resumed>) = 0 [pid 5093] exit_group(0) = ? [pid 5097] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5089] <... clone resumed>, child_tidptr=0x555561462650) = 5098 ./strace-static-x86_64: Process 5098 attached [pid 5098] set_robust_list(0x555561462660, 24) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] <... openat resumed>) = 3 [pid 5096] +++ exited with 0 +++ [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5093] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ [pid 5098] setpgid(0, 0 [pid 5097] <... ioctl resumed>) = 0 [pid 5094] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5091] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] <... setpgid resumed>) = 0 [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] <... ioctl resumed>) = 0 [pid 5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached [pid 5098] write(3, "1000", 4 [pid 5097] <... ioctl resumed>) = 0 [pid 5099] set_robust_list(0x555561462660, 24 [pid 5098] <... write resumed>) = 4 [pid 5097] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5088] <... clone resumed>, child_tidptr=0x555561462650) = 5099 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] close(3 [pid 5097] <... openat resumed>) = 4 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... close resumed>) = 0 [pid 5097] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5099] <... prctl resumed>) = 0 [pid 5098] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5097] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5101 attached ./strace-static-x86_64: Process 5100 attached [pid 5099] setpgid(0, 0 [pid 5098] <... openat resumed>) = 3 [pid 5097] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5100] set_robust_list(0x555561462660, 24 [pid 5099] <... setpgid resumed>) = 0 [pid 5091] <... clone resumed>, child_tidptr=0x555561462650) = 5100 [pid 5101] set_robust_list(0x555561462660, 24 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5097] <... ioctl resumed>) = 0 [pid 5094] <... clone resumed>, child_tidptr=0x555561462650) = 5101 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] setpgid(0, 0 [pid 5099] <... openat resumed>) = 3 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5097] exit_group(0 [pid 5101] <... prctl resumed>) = 0 [pid 5097] <... exit_group resumed>) = ? [pid 5101] setpgid(0, 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] write(3, "1000", 4 [pid 5098] <... ioctl resumed>) = 0 [pid 5101] <... setpgid resumed>) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... write resumed>) = 4 [pid 5098] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... openat resumed>) = 3 [pid 5099] close(3 [pid 5098] <... ioctl resumed>) = 0 [pid 5100] write(3, "1000", 4 [pid 5099] <... close resumed>) = 0 [pid 5098] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5100] <... write resumed>) = 4 [pid 5099] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5098] <... openat resumed>) = 4 [pid 5101] <... openat resumed>) = 3 [pid 5100] close(3 [pid 5099] <... openat resumed>) = 3 [pid 5100] <... close resumed>) = 0 [pid 5098] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5101] write(3, "1000", 4 [pid 5100] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5098] <... ioctl resumed>) = 0 [pid 5101] <... write resumed>) = 4 [pid 5101] close(3 [pid 5100] <... openat resumed>) = 3 [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5098] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5100] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5100] <... ioctl resumed>) = 0 [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5101] <... close resumed>) = 0 [pid 5098] exit_group(0 [pid 5097] +++ exited with 0 +++ [pid 5100] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] <... exit_group resumed>) = ? [pid 5101] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5100] <... ioctl resumed>) = 0 [pid 5099] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5101] <... openat resumed>) = 3 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5101] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5100] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5099] <... ioctl resumed>) = 0 [pid 5098] +++ exited with 0 +++ [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5101] <... ioctl resumed>) = 0 [pid 5100] <... ioctl resumed>) = 0 [pid 5099] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5100] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5099] <... openat resumed>) = 4 [pid 5089] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... openat resumed>) = 4 [pid 5089] restart_syscall(<... resuming interrupted clone ...> [pid 5101] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5089] <... restart_syscall resumed>) = 0 [pid 5100] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5099] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5101] <... ioctl resumed>) = 0 [pid 5100] <... ioctl resumed>) = 0 [pid 5099] <... ioctl resumed>) = 0 [pid 5100] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5099] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5101] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5100] <... ioctl resumed>) = 0 [pid 5099] <... ioctl resumed>) = 0 [pid 5100] exit_group(0 [pid 5099] exit_group(0 [pid 5100] <... exit_group resumed>) = ? [pid 5101] <... ioctl resumed>) = 0 [pid 5099] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5103 attached [pid 5101] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5089] <... clone resumed>, child_tidptr=0x555561462650) = 5103 ./strace-static-x86_64: Process 5102 attached [pid 5103] set_robust_list(0x555561462660, 24 [pid 5101] <... openat resumed>) = 4 [pid 5095] <... clone resumed>, child_tidptr=0x555561462650) = 5102 [pid 5101] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] set_robust_list(0x555561462660, 24 [pid 5101] <... ioctl resumed>) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] <... set_robust_list resumed>) = 0 [pid 5103] <... prctl resumed>) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] +++ exited with 0 +++ [pid 5103] setpgid(0, 0 [pid 5102] setpgid(0, 0 [pid 5101] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5091] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5103] <... setpgid resumed>) = 0 [pid 5102] <... setpgid resumed>) = 0 [pid 5101] <... ioctl resumed>) = 0 [pid 5099] +++ exited with 0 +++ [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... openat resumed>) = 3 [pid 5101] exit_group(0 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] <... openat resumed>) = 3 [pid 5102] write(3, "1000", 4 [pid 5101] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5104 attached [pid 5103] write(3, "1000", 4 [pid 5102] <... write resumed>) = 4 [pid 5104] set_robust_list(0x555561462660, 24 [pid 5103] <... write resumed>) = 4 [pid 5102] close(3 [pid 5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] close(3 [pid 5102] <... close resumed>) = 0 [pid 5101] +++ exited with 0 +++ [pid 5088] <... clone resumed>, child_tidptr=0x555561462650) = 5104 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] <... close resumed>) = 0 [pid 5102] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5103] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5102] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5105 attached [pid 5103] <... openat resumed>) = 3 [pid 5102] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] set_robust_list(0x555561462660, 24 [pid 5102] <... ioctl resumed>) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5103] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5102] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5103] <... ioctl resumed>) = 0 [pid 5102] <... ioctl resumed>) = 0 [pid 5105] <... prctl resumed>) = 0 [pid 5103] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5105] setpgid(0, 0 [pid 5104] <... prctl resumed>) = 0 [pid 5103] <... ioctl resumed>) = 0 [pid 5102] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5094] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5091] <... clone resumed>, child_tidptr=0x555561462650) = 5105 [pid 5105] <... setpgid resumed>) = 0 [pid 5104] setpgid(0, 0 [pid 5102] <... ioctl resumed>) = 0 [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] <... setpgid resumed>) = 0 [pid 5103] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5102] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5103] <... ioctl resumed>) = 0 [pid 5105] <... openat resumed>) = 3 [pid 5104] <... openat resumed>) = 3 [pid 5103] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5102] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5106 attached [pid 5104] write(3, "1000", 4 [pid 5103] <... openat resumed>) = 4 [pid 5102] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5105] write(3, "1000", 4 [pid 5103] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5102] <... ioctl resumed>) = 0 [pid 5105] <... write resumed>) = 4 [pid 5103] <... ioctl resumed>) = 0 [pid 5102] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5105] close(3 [pid 5103] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5102] <... ioctl resumed>) = 0 [pid 5105] <... close resumed>) = 0 [pid 5103] <... ioctl resumed>) = 0 [pid 5105] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5103] exit_group(0 [pid 5102] exit_group(0 [pid 5105] <... openat resumed>) = 3 [pid 5106] set_robust_list(0x555561462660, 24 [pid 5104] <... write resumed>) = 4 [pid 5103] <... exit_group resumed>) = ? [pid 5102] <... exit_group resumed>) = ? [pid 5094] <... clone resumed>, child_tidptr=0x555561462650) = 5106 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5104] close(3 [pid 5103] +++ exited with 0 +++ [pid 5106] <... prctl resumed>) = 0 [pid 5105] <... ioctl resumed>) = 0 [pid 5104] <... close resumed>) = 0 [pid 5102] +++ exited with 0 +++ [pid 5089] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5106] setpgid(0, 0 [pid 5105] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5104] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5089] restart_syscall(<... resuming interrupted clone ...> [pid 5105] <... ioctl resumed>) = 0 [pid 5089] <... restart_syscall resumed>) = 0 [pid 5105] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5106] <... setpgid resumed>) = 0 [pid 5105] <... ioctl resumed>) = 0 [pid 5105] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5104] <... openat resumed>) = 3 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... openat resumed>) = 4 [pid 5104] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5106] <... openat resumed>) = 3 [pid 5105] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5104] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5107 attached [pid 5106] write(3, "1000", 4 [pid 5105] <... ioctl resumed>) = 0 [pid 5104] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5106] <... write resumed>) = 4 [pid 5107] set_robust_list(0x555561462660, 24 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... clone resumed>, child_tidptr=0x555561462650) = 5107 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] close(3 [pid 5105] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5104] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5108 attached [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] <... close resumed>) = 0 [pid 5105] <... ioctl resumed>) = 0 [pid 5104] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5108] set_robust_list(0x555561462660, 24 [pid 5107] <... prctl resumed>) = 0 [pid 5106] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5105] exit_group(0 [pid 5104] <... ioctl resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x555561462650) = 5108 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] setpgid(0, 0 [pid 5106] <... openat resumed>) = 3 [pid 5105] <... exit_group resumed>) = ? [pid 5104] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] <... setpgid resumed>) = 0 [pid 5108] <... prctl resumed>) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] setpgid(0, 0) = 0 [pid 5107] <... openat resumed>) = 3 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] <... openat resumed>) = 4 [pid 5106] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5108] <... openat resumed>) = 3 [pid 5107] write(3, "1000", 4 [pid 5106] <... ioctl resumed>) = 0 [pid 5104] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5105] +++ exited with 0 +++ [pid 5108] write(3, "1000", 4 [pid 5107] <... write resumed>) = 4 [pid 5106] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5104] <... ioctl resumed>) = 0 [pid 5091] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5108] <... write resumed>) = 4 [pid 5107] close(3 [pid 5106] <... ioctl resumed>) = 0 [pid 5104] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5091] restart_syscall(<... resuming interrupted clone ...> [pid 5108] close(3 [pid 5107] <... close resumed>) = 0 [pid 5104] <... ioctl resumed>) = 0 [pid 5091] <... restart_syscall resumed>) = 0 [pid 5106] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5108] <... close resumed>) = 0 [pid 5107] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5104] exit_group(0 [pid 5106] <... ioctl resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5107] <... openat resumed>) = 3 [pid 5106] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5104] <... exit_group resumed>) = ? [pid 5108] <... openat resumed>) = 3 [pid 5107] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5106] <... openat resumed>) = 4 [pid 5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5108] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5107] <... ioctl resumed>) = 0 [pid 5104] +++ exited with 0 +++ [pid 5106] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5106] <... ioctl resumed>) = 0 [pid 5106] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5108] <... ioctl resumed>) = 0 [pid 5106] <... ioctl resumed>) = 0 [pid 5107] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5108] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5107] <... ioctl resumed>) = 0 [pid 5108] <... ioctl resumed>) = 0 [pid 5107] ioctl(3, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5109 attached [pid 5108] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5107] <... ioctl resumed>) = 0 [pid 5106] exit_group(0 [pid 5109] set_robust_list(0x555561462660, 24 [pid 5108] <... ioctl resumed>) = 0 [pid 5107] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5106] <... exit_group resumed>) = ? [pid 5091] <... clone resumed>, child_tidptr=0x555561462650) = 5109 [pid 5108] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5107] <... openat resumed>) = 4 [pid 5108] <... openat resumed>) = 4 [pid 5108] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5107] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] <... ioctl resumed>) = 0 [pid 5107] <... ioctl resumed>) = 0 [pid 5106] +++ exited with 0 +++ [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5108] ioctl(4, SNDRV_TIMER_IOCTL_START, 0./strace-static-x86_64: Process 5110 attached [pid 5109] <... prctl resumed>) = 0 [pid 5108] <... ioctl resumed>) = 0 [pid 5107] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5094] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5110] set_robust_list(0x555561462660, 24 [pid 5109] setpgid(0, 0 [pid 5108] exit_group(0 [pid 5107] <... ioctl resumed>) = 0 [pid 5088] <... clone resumed>, child_tidptr=0x555561462650) = 5110 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] <... setpgid resumed>) = 0 [pid 5107] exit_group(0 [pid 5108] <... exit_group resumed>) = ? [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5111 attached [pid 5110] <... prctl resumed>) = 0 [pid 5109] <... openat resumed>) = 3 [pid 5108] +++ exited with 0 +++ [pid 5107] <... exit_group resumed>) = ? [pid 5094] <... clone resumed>, child_tidptr=0x555561462650) = 5111 [pid 5111] set_robust_list(0x555561462660, 24 [pid 5110] setpgid(0, 0) = 0 [pid 5109] write(3, "1000", 4 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5109] <... write resumed>) = 4 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] <... openat resumed>) = 3 [pid 5109] close(3 [pid 5107] +++ exited with 0 +++ [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] <... close resumed>) = 0 [pid 5089] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5111] <... prctl resumed>) = 0 [pid 5109] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] setpgid(0, 0) = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] write(3, "1000", 4 [pid 5109] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5112 attached [pid 5110] <... write resumed>) = 4 [pid 5112] set_robust_list(0x555561462660, 24 [pid 5110] close(3 [pid 5095] <... clone resumed>, child_tidptr=0x555561462650) = 5112 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5110] <... close resumed>) = 0 [pid 5109] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] <... openat resumed>) = 3 [pid 5112] <... prctl resumed>) = 0 [pid 5110] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5111] write(3, "1000", 4 [pid 5110] <... openat resumed>) = 3 [pid 5109] <... ioctl resumed>) = 0 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5112] setpgid(0, 0 [pid 5111] <... write resumed>) = 4 [pid 5110] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5109] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5112] <... setpgid resumed>) = 0 [pid 5111] close(3 [pid 5110] <... ioctl resumed>) = 0 [pid 5109] <... ioctl resumed>) = 0 [pid 5111] <... close resumed>) = 0 ./strace-static-x86_64: Process 5113 attached [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5110] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5109] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5089] <... clone resumed>, child_tidptr=0x555561462650) = 5113 [pid 5112] <... openat resumed>) = 3 [pid 5110] <... ioctl resumed>) = 0 [pid 5109] <... ioctl resumed>) = 0 [pid 5113] set_robust_list(0x555561462660, 24 [pid 5112] write(3, "1000", 4 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5111] <... openat resumed>) = 3 [pid 5110] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5109] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] <... write resumed>) = 4 [pid 5111] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5110] <... ioctl resumed>) = 0 [pid 5109] <... openat resumed>) = 4 [pid 5110] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5113] <... prctl resumed>) = 0 [pid 5112] close(3 [pid 5111] <... ioctl resumed>) = 0 [pid 5110] <... openat resumed>) = 4 [pid 5109] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5113] setpgid(0, 0 [pid 5110] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5109] <... ioctl resumed>) = 0 [pid 5112] <... close resumed>) = 0 [pid 5113] <... setpgid resumed>) = 0 [pid 5111] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5110] <... ioctl resumed>) = 0 [pid 5109] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5112] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5111] <... ioctl resumed>) = 0 [pid 5110] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5109] <... ioctl resumed>) = 0 [pid 5112] <... openat resumed>) = 3 [pid 5110] <... ioctl resumed>) = 0 [pid 5109] exit_group(0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5111] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5113] <... openat resumed>) = 3 [pid 5112] <... ioctl resumed>) = 0 [pid 5111] <... ioctl resumed>) = 0 [pid 5110] exit_group(0 [pid 5109] <... exit_group resumed>) = ? [pid 5113] write(3, "1000", 4 [pid 5112] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440 [pid 5111] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5110] <... exit_group resumed>) = ? [pid 5113] <... write resumed>) = 4 [pid 5112] <... ioctl resumed>) = 0 [pid 5111] <... openat resumed>) = 4 [pid 5110] +++ exited with 0 +++ [pid 5109] +++ exited with 0 +++ [pid 5113] close(3) = 0 [pid 5112] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5111] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5091] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5113] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5112] <... ioctl resumed>) = 0 [pid 5111] <... ioctl resumed>) = 0 [pid 5112] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY [pid 5113] <... openat resumed>) = 3 [pid 5112] <... openat resumed>) = 4 [pid 5113] ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5111] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5112] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5091] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5113] <... ioctl resumed>) = 0 [pid 5111] <... ioctl resumed>) = 0 [pid 5113] ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440) = 0 ./strace-static-x86_64: Process 5115 attached ./strace-static-x86_64: Process 5114 attached [pid 5112] <... ioctl resumed>) = 0 [pid 5111] exit_group(0 [pid 5115] set_robust_list(0x555561462660, 24 [pid 5111] <... exit_group resumed>) = ? [pid 5114] set_robust_list(0x555561462660, 24 [pid 5113] ioctl(3, SNDRV_TIMER_IOCTL_START, 0 [pid 5112] ioctl(4, SNDRV_TIMER_IOCTL_START, 0 [pid 5088] <... clone resumed>, child_tidptr=0x555561462650) = 5115 [pid 5112] <... ioctl resumed>) = 0 [pid 5113] <... ioctl resumed>) = 0 [pid 5112] exit_group(0 [pid 5113] openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 4 [pid 5112] <... exit_group resumed>) = ? [pid 5113] ioctl(4, SNDRV_TIMER_IOCTL_SELECT, 0x20000100 [pid 5091] <... clone resumed>, child_tidptr=0x555561462650) = 5114 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] <... prctl resumed>) = 0 [pid 5115] setpgid(0, 0 [pid 5114] <... prctl resumed>) = 0 [pid 5115] <... setpgid resumed>) = 0 [pid 5114] setpgid(0, 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] <... setpgid resumed>) = 0 [pid 5115] <... openat resumed>) = 3 [ 180.704464][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 180.711544][ C0] rcu: 1-...!: (1 GPs behind) idle=477c/1/0x4000000000000000 softirq=6170/6171 fqs=0 [ 180.721630][ C0] rcu: (detected by 0, t=10502 jiffies, g=7293, q=28 ncpus=2) [ 180.729197][ C0] Sending NMI from CPU 0 to CPUs 1: [ 180.734771][ C1] NMI backtrace for cpu 1 [ 180.734782][ C1] CPU: 1 PID: 5111 Comm: syz-executor278 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0 [ 180.734801][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 180.734811][ C1] RIP: 0010:debug_object_activate+0x13a/0x510 [ 180.734863][ C1] Code: 8b 43 fd 48 8b 44 24 18 48 89 84 24 80 00 00 00 45 31 e4 80 3d aa 57 f2 0a 00 0f 85 b7 02 00 00 e8 eb 03 00 00 4c 89 7c 24 10 <49> c1 ef 0c 48 b9 eb 83 b5 80 46 86 c8 61 49 0f af cf 48 c1 e9 2f [ 180.734877][ C1] RSP: 0018:ffffc90000a08c00 EFLAGS: 00000046 [ 180.734892][ C1] RAX: a301fc934e8fa400 RBX: ffffc90000a08c70 RCX: ffffc90000a08903 [ 180.734906][ C1] RDX: 0000000000000003 RSI: ffffffff8bcaca20 RDI: ffffffff8c1f9760 [ 180.734918][ C1] RBP: ffffc90000a08d18 R08: ffffffff8fa8fdaf R09: 1ffffffff1f51fb5 [ 180.734932][ C1] R10: dffffc0000000000 R11: fffffbfff1f51fb6 R12: 0000000000000000 [ 180.734944][ C1] R13: 1ffff92000141188 R14: dffffc0000000000 R15: ffff88801aadbc88 [ 180.734958][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 180.734972][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 180.734985][ C1] CR2: 00007f2070b46d33 CR3: 000000000e134000 CR4: 00000000003506f0 [ 180.735000][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 180.735010][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 180.735021][ C1] Call Trace: [ 180.735029][ C1] [ 180.735037][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 180.735062][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 180.735083][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 180.735102][ C1] ? nmi_handle+0x2a/0x5a0 [ 180.735129][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 180.735151][ C1] ? nmi_handle+0x14f/0x5a0 [ 180.735169][ C1] ? nmi_handle+0x2a/0x5a0 [ 180.735188][ C1] ? debug_object_activate+0x13a/0x510 [ 180.735214][ C1] ? default_do_nmi+0x63/0x160 [ 180.735234][ C1] ? exc_nmi+0x123/0x1f0 [ 180.735253][ C1] ? end_repeat_nmi+0xf/0x53 [ 180.735282][ C1] ? debug_object_activate+0x13a/0x510 [ 180.735309][ C1] ? debug_object_activate+0x13a/0x510 [ 180.735337][ C1] ? debug_object_activate+0x13a/0x510 [ 180.735364][ C1] [ 180.735370][ C1] [ 180.735378][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 180.735403][ C1] ? __pfx_debug_object_activate+0x10/0x10 [ 180.735440][ C1] ? _raw_spin_lock_irq+0xdf/0x120 [ 180.735467][ C1] ? __pfx__raw_spin_lock_irq+0x10/0x10 [ 180.735494][ C1] ? _raw_spin_unlock+0x28/0x50 [ 180.735520][ C1] enqueue_hrtimer+0x30/0x3c0 [ 180.735549][ C1] __hrtimer_run_queues+0x6d5/0xd50 [ 180.735584][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 180.735609][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 180.735633][ C1] hrtimer_interrupt+0x396/0x990 [ 180.735670][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 180.735701][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 180.735725][ C1] [ 180.735731][ C1] [ 180.735737][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 180.735760][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 180.735787][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 2e bb 6f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b3 fe da f5 65 8b 05 24 2b 79 74 85 c0 74 43 48 c7 04 24 0e 36 [ 180.735801][ C1] RSP: 0018:ffffc900022ef940 EFLAGS: 00000206 [ 180.735815][ C1] RAX: a301fc934e8fa400 RBX: 1ffff9200045df2c RCX: ffffffff8172edda [ 180.735828][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001 [ 180.735840][ C1] RBP: ffffc900022ef9d0 R08: ffffffff92f34587 R09: 1ffffffff25e68b0 [ 180.735853][ C1] R10: dffffc0000000000 R11: fffffbfff25e68b1 R12: dffffc0000000000 [ 180.735866][ C1] R13: 1ffff9200045df28 R14: ffffc900022ef960 R15: 0000000000000246 [ 180.735883][ C1] ? mark_lock+0x9a/0x350 [ 180.735907][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 180.735942][ C1] snd_timer_stop1+0x7e6/0x950 [ 180.735977][ C1] snd_timer_close_locked+0x223/0x8d0 [ 180.736003][ C1] ? __fsnotify_parent+0x20c/0x5e0 [ 180.736029][ C1] snd_timer_user_release+0x138/0x2e0 [ 180.736050][ C1] ? __pfx_snd_timer_user_release+0x10/0x10 [ 180.736068][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 180.736087][ C1] ? evm_file_release+0x140/0x1d0 [ 180.736109][ C1] ? __pfx_snd_timer_user_release+0x10/0x10 [ 180.736127][ C1] __fput+0x429/0x8a0 [ 180.736157][ C1] task_work_run+0x24f/0x310 [ 180.736185][ C1] ? __pfx_task_work_run+0x10/0x10 [ 180.736212][ C1] ? switch_task_namespaces+0xe1/0x110 [ 180.736232][ C1] do_exit+0xa1b/0x27e0 [ 180.736261][ C1] ? __pfx_do_exit+0x10/0x10 [ 180.736284][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 180.736304][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 180.736326][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 180.736351][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 180.736377][ C1] do_group_exit+0x207/0x2c0 [ 180.736404][ C1] __x64_sys_exit_group+0x3f/0x40 [ 180.736428][ C1] do_syscall_64+0xf5/0x240 [ 180.736459][ C1] ? clear_bhb_loop+0x35/0x90 [ 180.736482][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.736503][ C1] RIP: 0033:0x7f2070b46db9 [ 180.736517][ C1] Code: Unable to access opcode bytes at 0x7f2070b46d8f. [ 180.736525][ C1] RSP: 002b:00007ffdfb750b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 180.736541][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2070b46db9 [ 180.736553][ C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 180.736564][ C1] RBP: 00007f2070bc12b0 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 180.736575][ C1] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007f2070bc12b0 [ 180.736587][ C1] R13: 0000000000000000 R14: 00007f2070bc1d20 R15: 00007f2070b17f50 [ 180.736608][ C1] [ 180.736616][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.845 msecs [ 180.736766][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g7293 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 181.316579][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 181.326652][ C0] rcu: RCU grace-period kthread stack dump: [ 181.332552][ C0] task:rcu_preempt state:R running task stack:23704 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 181.344317][ C0] Call Trace: [ 181.347615][ C0] [ 181.350642][ C0] __schedule+0x17e8/0x4a50 [ 181.355218][ C0] ? __pfx___schedule+0x10/0x10 [ 181.360109][ C0] ? __pfx_lock_release+0x10/0x10 [ 181.365153][ C0] ? __asan_memset+0x23/0x50 [ 181.369781][ C0] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 181.375614][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 181.382059][ C0] ? schedule+0x90/0x320 [ 181.386337][ C0] schedule+0x14b/0x320 [ 181.390535][ C0] schedule_timeout+0x1be/0x310 [ 181.395537][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 181.400950][ C0] ? __pfx_process_timeout+0x10/0x10 [ 181.406270][ C0] ? prepare_to_swait_event+0x32e/0x350 [ 181.411862][ C0] rcu_gp_fqs_loop+0x2df/0x1370 [ 181.416734][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 181.421980][ C0] ? __pfx_rcu_gp_init+0x10/0x10 [ 181.427811][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 181.433048][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 181.438352][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 181.444287][ C0] ? finish_swait+0xd4/0x1e0 [ 181.448914][ C0] rcu_gp_kthread+0xa7/0x3b0 [ 181.453525][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 181.458736][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 181.464660][ C0] ? __kthread_parkme+0x169/0x1d0 [ 181.469713][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 181.474923][ C0] kthread+0x2f0/0x390 [ 181.479020][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 181.484347][ C0] ? __pfx_kthread+0x10/0x10 [ 181.488981][ C0] ret_from_fork+0x4b/0x80 [ 181.493447][ C0] ? __pfx_kthread+0x10/0x10 [ 181.498089][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.502903][ C0] [ 181.505938][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 181.512363][ C0] CPU: 0 PID: 1106 Comm: kworker/u8:7 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0 [ 181.522650][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 181.532739][ C0] Workqueue: events_unbound toggle_allocation_gate [ 181.539280][ C0] RIP: 0010:smp_call_function_many_cond+0x1894/0x2a00 [ 181.546080][ C0] Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 15 db 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 c0 d6 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 a4 d6 [ 181.565755][ C0] RSP: 0018:ffffc90004d676e0 EFLAGS: 00000293 [ 181.571885][ C0] RAX: ffffffff818a2abc RBX: 1ffff110172a8869 RCX: ffff888022bb9e00 [ 181.579946][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 181.587951][ C0] RBP: ffffc90004d678e0 R08: ffffffff818a2a8b R09: 1ffffffff25e68a0 [ 181.595947][ C0] R10: dffffc0000000000 R11: fffffbfff25e68a1 R12: dffffc0000000000 [ 181.603940][ C0] R13: ffff8880b9544348 R14: ffff8880b943f7c0 R15: 0000000000000001 [ 181.611962][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 181.620929][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 181.627547][ C0] CR2: 00007f2070b9101d CR3: 000000000e134000 CR4: 00000000003506f0 [ 181.635573][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 181.643576][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 181.651582][ C0] Call Trace: [ 181.654882][ C0] [ 181.657748][ C0] ? rcu_check_gp_kthread_starvation+0x278/0x310 [ 181.664123][ C0] ? print_other_cpu_stall+0x14a4/0x15e0 [ 181.669816][ C0] ? __pfx_print_other_cpu_stall+0x10/0x10 [ 181.675656][ C0] ? timekeeping_advance+0x7e3/0xab0 [ 181.680981][ C0] ? kvm_check_and_clear_guest_paused+0x6a/0xd0 [ 181.687258][ C0] ? rcu_sched_clock_irq+0x9f4/0x10a0 [ 181.692669][ C0] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 181.698335][ C0] ? hrtimer_run_queues+0x16c/0x460 [ 181.703576][ C0] ? acct_account_cputime+0x207/0x210 [ 181.708987][ C0] ? update_process_times+0x1ce/0x230 [ 181.714396][ C0] ? tick_nohz_handler+0x37c/0x500 [ 181.719543][ C0] ? __pfx_tick_nohz_handler+0x10/0x10 [ 181.725306][ C0] ? __hrtimer_run_queues+0x55b/0xd50 [ 181.730736][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 181.736512][ C0] ? ktime_get_update_offsets_now+0x411/0x430 [ 181.742622][ C0] ? hrtimer_interrupt+0x396/0x990 [ 181.747795][ C0] ? __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 181.754025][ C0] ? sysvec_apic_timer_interrupt+0xa1/0xc0 [ 181.759874][ C0] [ 181.762921][ C0] [ 181.765883][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 181.772087][ C0] ? smp_call_function_many_cond+0x187b/0x2a00 [ 181.778300][ C0] ? smp_call_function_many_cond+0x18ac/0x2a00 [ 181.784505][ C0] ? smp_call_function_many_cond+0x1894/0x2a00 [ 181.790705][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 181.795764][ C0] ? __pfx_text_poke_memcpy+0x10/0x10 [ 181.801192][ C0] ? __pfx___text_poke+0x10/0x10 [ 181.806186][ C0] ? process_scheduled_works+0x91b/0x17c0 [ 181.811949][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 181.818322][ C0] ? __pfx___might_resched+0x10/0x10 [ 181.823639][ C0] ? __mutex_trylock_common+0x183/0x2e0 [ 181.829224][ C0] ? __pfx___might_resched+0x10/0x10 [ 181.834549][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 181.839608][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 181.844753][ C0] text_poke_bp_batch+0x352/0xb30 [ 181.849822][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 181.855398][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 181.860463][ C0] ? arch_jump_label_transform_queue+0x9b/0x100 [ 181.866744][ C0] ? process_scheduled_works+0x91b/0x17c0 [ 181.872490][ C0] text_poke_finish+0x30/0x50 [ 181.877299][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 181.883358][ C0] static_key_enable_cpuslocked+0x136/0x260 [ 181.889304][ C0] static_key_enable+0x1a/0x20 [ 181.894098][ C0] toggle_allocation_gate+0xb5/0x250 [ 181.899514][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 181.905452][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 181.911939][ C0] process_scheduled_works+0xa10/0x17c0 [ 181.917553][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 181.923570][ C0] ? assign_work+0x364/0x3d0 [ 181.928192][ C0] worker_thread+0x86d/0xd70 [ 181.932825][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 181.938756][ C0] ? __kthread_parkme+0x169/0x1d0 [ 181.943833][ C0] ? __pfx_worker_thread+0x10/0x10 [ 181.948968][ C0] kthread+0x2f0/0x390 [ 181.953067][ C0] ? __pfx_worker_thread+0x10/0x10 [ 181.958203][ C0] ? __pfx_kthread+0x10/0x10 [ 181.962821][ C0] ret_from_fork+0x4b/0x80 [ 181.967278][ C0] ? __pfx_kthread+0x10/0x10 [ 181.971897][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.976711][ C0]