./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor276521079 <...> Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts. execve("./syz-executor276521079", ["./syz-executor276521079"], 0x7ffe07f56d20 /* 10 vars */) = 0 brk(NULL) = 0x55557bb0c000 brk(0x55557bb0cd00) = 0x55557bb0cd00 arch_prctl(ARCH_SET_FS, 0x55557bb0c380) = 0 set_tid_address(0x55557bb0c650) = 5874 set_robust_list(0x55557bb0c660, 24) = 0 rseq(0x55557bb0cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor276521079", 4096) = 27 getrandom("\xc8\x65\x4f\xdc\x2e\x06\xda\x9c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557bb0cd00 brk(0x55557bb2dd00) = 0x55557bb2dd00 brk(0x55557bb2e000) = 0x55557bb2e000 mprotect(0x7ff42c7cd000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5875 attached , child_tidptr=0x55557bb0c650) = 5875 [pid 5875] set_robust_list(0x55557bb0c660, 24) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5875] getppid() = 0 [pid 5875] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5875] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5875] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5875] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5875] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5875] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5875] unshare(CLONE_NEWNS) = 0 [pid 5875] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5875] unshare(CLONE_NEWIPC) = 0 [pid 5875] unshare(CLONE_NEWCGROUP) = 0 [pid 5875] unshare(CLONE_NEWUTS) = 0 [pid 5875] unshare(CLONE_SYSVSEM) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "16777216", 8) = 8 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "536870912", 9) = 9 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1024", 4) = 4 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "8192", 4) = 4 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1024", 4) = 4 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1024", 4) = 4 [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5875] close(3) = 0 [pid 5875] getpid() = 1 [pid 5875] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached [pid 5891] set_robust_list(0x55557bb0c660, 24) = 0 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... clone resumed>, child_tidptr=0x55557bb0c650) = 3 [pid 5891] <... prctl resumed>) = 0 [pid 5891] setpgid(0, 0) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5891] write(3, "1000", 4) = 4 [pid 5891] close(3) = 0 executing program [pid 5891] read(200, 0x7ffdc3aadfb0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] write(1, "executing program\n", 18) = 18 [pid 5891] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5891] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5891] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x30\x00\x00\x00\x00\x00\x06\xba\xc9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x70\xc2\x00\x01\x2b\x37\x00\x00\x02\x04\x05\xa0\x01\x00\x00\x00", 62) = 62 [pid 5891] close(3) = 0 [pid 5891] close(4) = -1 EBADF (Bad file descriptor) [pid 5891] close(5) = -1 EBADF (Bad file descriptor) [pid 5891] close(6) = -1 EBADF (Bad file descriptor) [pid 5891] close(7) = -1 EBADF (Bad file descriptor) [pid 5891] close(8) = -1 EBADF (Bad file descriptor) [pid 5891] close(9) = -1 EBADF (Bad file descriptor) [pid 5891] close(10) = -1 EBADF (Bad file descriptor) [pid 5891] close(11) = -1 EBADF (Bad file descriptor) [pid 5891] close(12) = -1 EBADF (Bad file descriptor) [pid 5891] close(13) = -1 EBADF (Bad file descriptor) [pid 5891] close(14) = -1 EBADF (Bad file descriptor) [pid 5891] close(15) = -1 EBADF (Bad file descriptor) [pid 5891] close(16) = -1 EBADF (Bad file descriptor) [pid 5891] close(17) = -1 EBADF (Bad file descriptor) [pid 5891] close(18) = -1 EBADF (Bad file descriptor) [pid 5891] close(19) = -1 EBADF (Bad file descriptor) [pid 5891] close(20) = -1 EBADF (Bad file descriptor) [pid 5891] close(21) = -1 EBADF (Bad file descriptor) [pid 5891] close(22) = -1 EBADF (Bad file descriptor) [pid 5891] close(23) = -1 EBADF (Bad file descriptor) [pid 5891] close(24) = -1 EBADF (Bad file descriptor) [pid 5891] close(25) = -1 EBADF (Bad file descriptor) [pid 5891] close(26) = -1 EBADF (Bad file descriptor) [pid 5891] close(27) = -1 EBADF (Bad file descriptor) [pid 5891] close(28) = -1 EBADF (Bad file descriptor) [pid 5891] close(29) = -1 EBADF (Bad file descriptor) [pid 5891] exit_group(0) = ? [pid 5891] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557bb0c650) = 4 executing program ./strace-static-x86_64: Process 5892 attached [pid 5892] set_robust_list(0x55557bb0c660, 24) = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5892] setpgid(0, 0) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5892] write(3, "1000", 4) = 4 [pid 5892] close(3) = 0 [pid 5892] read(200, 0x7ffdc3aadfb0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] write(1, "executing program\n", 18) = 18 [pid 5892] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [ 222.685467][ C0] sched: DL replenish lagged too much [pid 5892] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204 [pid 5892] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x30\x00\x00\x00\x00\x00\x06\xba\xc9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x70\xc2\x00\x01\x2b\x37\x00\x00\x02\x04\x05\xa0\x01\x00\x00\x00", 62) = 62 [pid 5892] close(3) = 0 [pid 5892] close(4) = -1 EBADF (Bad file descriptor) [pid 5892] close(5) = -1 EBADF (Bad file descriptor) [pid 5892] close(6) = -1 EBADF (Bad file descriptor) [pid 5892] close(7) = -1 EBADF (Bad file descriptor) [pid 5892] close(8) = -1 EBADF (Bad file descriptor) [pid 5892] close(9) = -1 EBADF (Bad file descriptor) [pid 5892] close(10) = -1 EBADF (Bad file descriptor) [pid 5892] close(11) = -1 EBADF (Bad file descriptor) [pid 5892] close(12) = -1 EBADF (Bad file descriptor) [pid 5892] close(13) = -1 EBADF (Bad file descriptor) [pid 5892] close(14) = -1 EBADF (Bad file descriptor) [pid 5892] close(15) = -1 EBADF (Bad file descriptor) [pid 5892] close(16) = -1 EBADF (Bad file descriptor) [pid 5892] close(17) = -1 EBADF (Bad file descriptor) [pid 5892] close(18) = -1 EBADF (Bad file descriptor) [pid 5892] close(19) = -1 EBADF (Bad file descriptor) [pid 5892] close(20) = -1 EBADF (Bad file descriptor) [pid 5892] close(21) = -1 EBADF (Bad file descriptor) [pid 5892] close(22) = -1 EBADF (Bad file descriptor) [pid 5892] close(23) = -1 EBADF (Bad file descriptor) [pid 5892] close(24) = -1 EBADF (Bad file descriptor) [pid 5892] close(25) = -1 EBADF (Bad file descriptor) [pid 5892] close(26) = -1 EBADF (Bad file descriptor) [pid 5892] close(27) = -1 EBADF (Bad file descriptor) [pid 5892] close(28) = -1 EBADF (Bad file descriptor) [pid 5892] close(29) = -1 EBADF (Bad file descriptor) [pid 5892] exit_group(0) = ? [pid 5892] +++ exited with 0 +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5875] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557bb0c650) = 5 ./strace-static-x86_64: Process 5893 attached [pid 5893] set_robust_list(0x55557bb0c660, 24) = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5893] setpgid(0, 0) = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5893] write(3, "1000", 4) = 4 [pid 5893] close(3) = 0 [pid 5893] read(200, 0x7ffdc3aadfb0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] write(1, "executing program\n", 18) = 18 [pid 5893] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5875] kill(-5, SIGKILL) = 0 [pid 5875] kill(5, SIGKILL) = 0 [pid 5893] <... socket resumed>) = ? [pid 5893] +++ killed by SIGKILL +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5875] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached , child_tidptr=0x55557bb0c650) = 6 [pid 5896] set_robust_list(0x55557bb0c660, 24) = 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5896] setpgid(0, 0) = 0 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5896] write(3, "1000", 4) = 4 [pid 5896] close(3) = 0 [pid 5896] read(200, 0x7ffdc3aadfb0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5896] write(1, "executing program\n", 18) = 18 [pid 5896] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5875] kill(-6, SIGKILL) = 0 [pid 5875] kill(6, SIGKILL) = 0 [pid 5896] <... socket resumed>) = ? [pid 5896] +++ killed by SIGKILL +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5875] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached [pid 5898] set_robust_list(0x55557bb0c660, 24) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5898] setpgid(0, 0) = 0 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... clone resumed>, child_tidptr=0x55557bb0c650) = 7 [pid 5875] kill(-7, SIGKILL) = 0 [pid 5875] kill(7, SIGKILL) = 0 [pid 5898] <... openat resumed>) = ? [pid 5898] +++ killed by SIGKILL +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached [pid 5902] set_robust_list(0x55557bb0c660, 24) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5902] setpgid(0, 0) = 0 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... clone resumed>, child_tidptr=0x55557bb0c650) = 8 [pid 5902] <... openat resumed>) = 3 [pid 5875] kill(-8, SIGKILL) = 0 [pid 5875] kill(8, SIGKILL) = 0 [pid 5902] +++ killed by SIGKILL +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5875] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557bb0c650) = 9 ./strace-static-x86_64: Process 5905 attached [pid 5905] set_robust_list(0x55557bb0c660, 24) = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5905] setpgid(0, 0) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] kill(-9, SIGKILL) = 0 [pid 5875] kill(9, SIGKILL) = 0 [pid 5905] <... openat resumed>) = ? [pid 5905] +++ killed by SIGKILL +++ [pid 5875] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [ 434.199161][ T31] INFO: task kworker/0:1:10 blocked for more than 147 seconds. [ 434.223547][ T31] Not tainted 6.16.0-rc2-syzkaller #0 [ 438.583822][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 439.612177][ T31] task:kworker/0:1 state:D stack:24408 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 442.178141][ T31] Workqueue: events_power_efficient reg_check_chans_work [ 442.198440][ T31] Call Trace: [ 442.201765][ T31] [ 442.204716][ T31] __schedule+0x16f5/0x4d00