./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor475305987 <...> Warning: Permanently added '10.128.1.159' (ED25519) to the list of known hosts. execve("./syz-executor475305987", ["./syz-executor475305987"], 0x7ffd6b7f98c0 /* 10 vars */) = 0 brk(NULL) = 0x55557d994000 brk(0x55557d994d00) = 0x55557d994d00 arch_prctl(ARCH_SET_FS, 0x55557d994380) = 0 set_tid_address(0x55557d994650) = 5887 set_robust_list(0x55557d994660, 24) = 0 rseq(0x55557d994ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor475305987", 4096) = 27 getrandom("\x08\xc3\xd5\x7a\xf0\x4d\x1a\xe0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557d994d00 brk(0x55557d9b5d00) = 0x55557d9b5d00 brk(0x55557d9b6000) = 0x55557d9b6000 mprotect(0x7f297f09f000, 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, child_tidptr=0x55557d994650) = 5888 ./strace-static-x86_64: Process 5888 attached [pid 5888] set_robust_list(0x55557d994660, 24) = 0 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5888] getppid() = 0 [pid 5888] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5888] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5888] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5888] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5888] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5888] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5888] unshare(CLONE_NEWNS) = 0 [pid 5888] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5888] unshare(CLONE_NEWIPC) = 0 [pid 5888] unshare(CLONE_NEWCGROUP) = 0 [pid 5888] unshare(CLONE_NEWUTS) = 0 [pid 5888] unshare(CLONE_SYSVSEM) = 0 [pid 5888] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "16777216", 8) = 8 [pid 5888] close(3) = 0 [pid 5888] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "536870912", 9) = 9 [pid 5888] close(3) = 0 [pid 5888] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1024", 4) = 4 [pid 5888] close(3) = 0 [pid 5888] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "8192", 4) = 4 [pid 5888] close(3) = 0 [pid 5888] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1024", 4) = 4 [pid 5888] close(3) = 0 [pid 5888] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1024", 4) = 4 [pid 5888] close(3) = 0 [pid 5888] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5888] close(3) = 0 [pid 5888] getpid() = 1 [pid 5888] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5905 attached [pid 5905] set_robust_list(0x55557d994660, 24) = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5905] setpgid(0, 0 [pid 5888] <... clone resumed>, child_tidptr=0x55557d994650) = 3 [pid 5905] <... setpgid resumed>) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5905] write(3, "1000", 4) = 4 [pid 5905] close(3) = 0 [pid 5905] read(200, 0x7ffe4d0a2c90, 1000) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 5905] write(1, "executing program\n", 18) = 18 [pid 5905] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = -1 EFAULT (Bad address) [pid 5905] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5905] 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 5905] 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\x34\x4a\x00\x00\x08\x02\xfe\x04\xf9\x89\x00\x00", 62) = 62 [pid 5905] close(3) = 0 [pid 5905] close(4) = -1 EBADF (Bad file descriptor) [pid 5905] close(5) = -1 EBADF (Bad file descriptor) [pid 5905] close(6) = -1 EBADF (Bad file descriptor) [pid 5905] close(7) = -1 EBADF (Bad file descriptor) [pid 5905] close(8) = -1 EBADF (Bad file descriptor) [pid 5905] close(9) = -1 EBADF (Bad file descriptor) [pid 5905] close(10) = -1 EBADF (Bad file descriptor) [pid 5905] close(11) = -1 EBADF (Bad file descriptor) [pid 5905] close(12) = -1 EBADF (Bad file descriptor) [pid 5905] close(13) = -1 EBADF (Bad file descriptor) [pid 5905] close(14) = -1 EBADF (Bad file descriptor) [pid 5905] close(15) = -1 EBADF (Bad file descriptor) [pid 5905] close(16) = -1 EBADF (Bad file descriptor) [pid 5905] close(17) = -1 EBADF (Bad file descriptor) [pid 5905] close(18) = -1 EBADF (Bad file descriptor) [pid 5905] close(19) = -1 EBADF (Bad file descriptor) [pid 5905] close(20) = -1 EBADF (Bad file descriptor) [pid 5905] close(21) = -1 EBADF (Bad file descriptor) [pid 5905] close(22) = -1 EBADF (Bad file descriptor) [pid 5905] close(23) = -1 EBADF (Bad file descriptor) [pid 5905] close(24) = -1 EBADF (Bad file descriptor) [pid 5905] close(25) = -1 EBADF (Bad file descriptor) [pid 5905] close(26) = -1 EBADF (Bad file descriptor) [pid 5905] close(27) = -1 EBADF (Bad file descriptor) [pid 5905] close(28) = -1 EBADF (Bad file descriptor) [pid 5905] close(29) = -1 EBADF (Bad file descriptor) [pid 5905] exit_group(0) = ? [pid 5905] +++ exited with 0 +++ executing program [pid 5888] --- 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 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d994650) = 4 ./strace-static-x86_64: Process 5906 attached [pid 5906] set_robust_list(0x55557d994660, 24) = 0 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5906] setpgid(0, 0) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5906] write(3, "1000", 4) = 4 [pid 5906] close(3) = 0 [pid 5906] read(200, 0x7ffe4d0a2c90, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] write(1, "executing program\n", 18) = 18 [pid 5906] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = -1 EFAULT (Bad address) [pid 5906] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5906] 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 5906] 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\x34\x4a\x00\x00\x08\x02\xfe\x04\xf9\x89\x00\x00", 62) = 62 [pid 5906] close(3) = 0 [pid 5906] close(4) = -1 EBADF (Bad file descriptor) [pid 5906] close(5) = -1 EBADF (Bad file descriptor) [pid 5906] close(6) = -1 EBADF (Bad file descriptor) [pid 5906] close(7) = -1 EBADF (Bad file descriptor) [pid 5906] close(8) = -1 EBADF (Bad file descriptor) [pid 5906] close(9) = -1 EBADF (Bad file descriptor) [pid 5906] close(10) = -1 EBADF (Bad file descriptor) [pid 5906] close(11) = -1 EBADF (Bad file descriptor) [pid 5906] close(12) = -1 EBADF (Bad file descriptor) [pid 5906] close(13) = -1 EBADF (Bad file descriptor) [pid 5906] close(14) = -1 EBADF (Bad file descriptor) [pid 5906] close(15) = -1 EBADF (Bad file descriptor) [pid 5906] close(16) = -1 EBADF (Bad file descriptor) [pid 5906] close(17) = -1 EBADF (Bad file descriptor) [pid 5906] close(18) = -1 EBADF (Bad file descriptor) [pid 5906] close(19) = -1 EBADF (Bad file descriptor) [pid 5906] close(20) = -1 EBADF (Bad file descriptor) [pid 5906] close(21) = -1 EBADF (Bad file descriptor) [pid 5906] close(22) = -1 EBADF (Bad file descriptor) [pid 5906] close(23) = -1 EBADF (Bad file descriptor) [pid 5906] close(24) = -1 EBADF (Bad file descriptor) [pid 5906] close(25) = -1 EBADF (Bad file descriptor) [pid 5906] close(26) = -1 EBADF (Bad file descriptor) [pid 5906] close(27) = -1 EBADF (Bad file descriptor) [pid 5906] close(28) = -1 EBADF (Bad file descriptor) [pid 5906] close(29) = -1 EBADF (Bad file descriptor) [pid 5906] exit_group(0) = ? [pid 5906] +++ exited with 0 +++ [pid 5888] --- 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 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d994650) = 5 ./strace-static-x86_64: Process 5909 attached [pid 5909] set_robust_list(0x55557d994660, 24) = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5909] setpgid(0, 0) = 0 [ 179.228782][ C1] sched: DL replenish lagged too much [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5909] write(3, "1000", 4) = 4 [pid 5909] close(3) = 0 [pid 5909] read(200, 0x7ffe4d0a2c90, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] write(1, "executing program\n", 18) = 18 [pid 5909] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = -1 EFAULT (Bad address) [pid 5909] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5909] 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 [pid 5888] kill(-5, SIGKILL) = 0 [pid 5888] kill(5, SIGKILL) = 0 [pid 5909] <... sendmsg resumed>) = ? [pid 5909] +++ killed by SIGKILL +++ [pid 5888] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d994650) = 6 ./strace-static-x86_64: Process 5912 attached [pid 5912] set_robust_list(0x55557d994660, 24) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5912] setpgid(0, 0) = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5912] write(3, "1000", 4) = 4 [pid 5912] close(3) = 0 [pid 5912] read(200, 0x7ffe4d0a2c90, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] write(1, "executing program\n", 18) = 18 [pid 5912] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = -1 EFAULT (Bad address) [pid 5912] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5912] 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 5912] 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\x34\x4a\x00\x00\x08\x02\xfe\x04\xf9\x89\x00\x00", 62) = 62 [pid 5912] close(3) = 0 [pid 5912] close(4) = -1 EBADF (Bad file descriptor) [pid 5912] close(5) = -1 EBADF (Bad file descriptor) [pid 5912] close(6) = -1 EBADF (Bad file descriptor) [pid 5912] close(7) = -1 EBADF (Bad file descriptor) [pid 5912] close(8) = -1 EBADF (Bad file descriptor) [pid 5912] close(9) = -1 EBADF (Bad file descriptor) [pid 5912] close(10) = -1 EBADF (Bad file descriptor) [pid 5912] close(11) = -1 EBADF (Bad file descriptor) [pid 5912] close(12) = -1 EBADF (Bad file descriptor) [pid 5912] close(13) = -1 EBADF (Bad file descriptor) [pid 5912] close(14) = -1 EBADF (Bad file descriptor) [pid 5912] close(15) = -1 EBADF (Bad file descriptor) [pid 5912] close(16) = -1 EBADF (Bad file descriptor) [pid 5912] close(17) = -1 EBADF (Bad file descriptor) [pid 5912] close(18) = -1 EBADF (Bad file descriptor) [pid 5912] close(19) = -1 EBADF (Bad file descriptor) [pid 5912] close(20) = -1 EBADF (Bad file descriptor) [pid 5912] close(21) = -1 EBADF (Bad file descriptor) [pid 5912] close(22) = -1 EBADF (Bad file descriptor) [pid 5912] close(23) = -1 EBADF (Bad file descriptor) [pid 5912] close(24) = -1 EBADF (Bad file descriptor) [pid 5912] close(25) = -1 EBADF (Bad file descriptor) [pid 5912] close(26) = -1 EBADF (Bad file descriptor) [pid 5912] close(27) = -1 EBADF (Bad file descriptor) [pid 5912] close(28) = -1 EBADF (Bad file descriptor) [pid 5912] close(29) = -1 EBADF (Bad file descriptor) [pid 5912] exit_group(0) = ? [pid 5912] +++ exited with 0 +++ [pid 5888] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5914 attached , child_tidptr=0x55557d994650) = 7 [pid 5914] set_robust_list(0x55557d994660, 24) = 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5914] setpgid(0, 0) = 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] kill(-7, SIGKILL) = 0 [pid 5888] kill(7, SIGKILL) = 0 [pid 5914] <... openat resumed>) = ? [pid 5914] +++ killed by SIGKILL +++ [pid 5888] --- 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 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d994650) = 8 ./strace-static-x86_64: Process 5915 attached [pid 5915] set_robust_list(0x55557d994660, 24) = 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5915] setpgid(0, 0) = 0 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] kill(-8, SIGKILL) = 0 [pid 5888] kill(8, SIGKILL) = 0 [pid 5915] <... openat resumed>) = ? [pid 5915] +++ killed by SIGKILL +++ [pid 5888] --- 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 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d994650) = 9 ./strace-static-x86_64: Process 5918 attached [pid 5918] set_robust_list(0x55557d994660, 24) = 0 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5918] setpgid(0, 0) = 0 [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5918] write(3, "1000", 4) = 4 [pid 5918] close(3) = 0 [pid 5918] read(200, 0x7ffe4d0a2c90, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] write(1, "executing program\n", 18) = 18 [pid 5918] openat(AT_FDCWD, NULL, O_WRONLY|O_CREAT|O_TRUNC|O_NOATIME, 000) = -1 EFAULT (Bad address) [pid 5918] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5888] kill(-9, SIGKILL) = 0 [pid 5888] kill(9, SIGKILL) = 0 [pid 5918] <... socket resumed>) = ? [pid 5918] +++ killed by SIGKILL +++ [pid 5888] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5888] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d994650) = 10 ./strace-static-x86_64: Process 5921 attached [pid 5921] set_robust_list(0x55557d994660, 24) = 0 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5921] setpgid(0, 0) = 0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] kill(-10, SIGKILL) = 0 [pid 5888] kill(10, SIGKILL) = 0 [pid 5888] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5921] <... openat resumed>) = ? [pid 5921] +++ killed by SIGKILL +++ [pid 5888] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5888] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5888] getdents64(3, 0x55557d9956f0 /* 2 entries */, 32768) = 48 [pid 5888] getdents64(3, 0x55557d9956f0 /* 0 entries */, 32768) = 0 [pid 5888] close(3) = 0 [ 430.329876][ T31] INFO: task kworker/1:2:927 blocked for more than 143 seconds. [ 430.337597][ T31] Not tainted 6.16.0-syzkaller-12091-g89886abd0734 #0 [ 434.397596][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 434.423387][ T31] task:kworker/1:2 state:D stack:22360 pid:927 tgid:927 ppid:2 task_flags:0x4208060 flags:0x00004000 [pid 5888] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557d994650) = 11 ./strace-static-x86_64: Process 5926 attached [pid 5926] set_robust_list(0x55557d994660, 24) = 0 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5926] setpgid(0, 0) = 0