./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2922127809 <...> Warning: Permanently added '10.128.0.32' (ED25519) to the list of known hosts. execve("./syz-executor2922127809", ["./syz-executor2922127809"], 0x7ffd7c2a3960 /* 10 vars */) = 0 brk(NULL) = 0x555564058000 brk(0x555564058d00) = 0x555564058d00 arch_prctl(ARCH_SET_FS, 0x555564058380) = 0 set_tid_address(0x555564058650) = 5848 set_robust_list(0x555564058660, 24) = 0 rseq(0x555564058ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2922127809", 4096) = 28 getrandom("\x35\x63\xa0\x90\x13\x61\x32\x13", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555564058d00 brk(0x555564079d00) = 0x555564079d00 brk(0x55556407a000) = 0x55556407a000 mprotect(0x7f0a82979000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564058650) = 5849 ./strace-static-x86_64: Process 5849 attached [pid 5848] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] set_robust_list(0x555564058660, 24 [pid 5848] write(3, "10000000000", 11 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] <... write resumed>) = 11 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "20", 2) = 2 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "0", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "0", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "100", 3) = 3 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "0", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "0", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "7 4 1 3", 7) = 7 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "0", 1) = 1 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "5849", 4) = 4 [pid 5848] close(3) = 0 [pid 5848] kill(5849, SIGKILL) = 0 [pid 5849] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5849, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached , child_tidptr=0x555564058650) = 5850 [pid 5850] set_robust_list(0x555564058660, 24) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5850] getppid() = 0 [pid 5850] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5850] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5850] unshare(CLONE_NEWNS) = 0 [pid 5850] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5850] unshare(CLONE_NEWIPC) = 0 [pid 5850] unshare(CLONE_NEWCGROUP) = 0 [pid 5850] unshare(CLONE_NEWUTS) = 0 [pid 5850] unshare(CLONE_SYSVSEM) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "16777216", 8) = 8 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "536870912", 9) = 9 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1024", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "8192", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1024", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1024", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5850] close(3) = 0 [pid 5850] getpid() = 1 [pid 5850] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached , child_tidptr=0x555564058650) = 3 [pid 5861] set_robust_list(0x555564058660, 24) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5861] setpgid(0, 0) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5861] write(3, "1000", 4) = 4 [pid 5861] close(3) = 0 [pid 5861] read(200, 0x7ffe397db440, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] write(1, "executing program\n", 18executing program ) = 18 [pid 5861] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5861] 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 5861] write(200, "\x01\x80\xc2\x00\x00\x02\xbb\xbb\xbb\xbb\xbb\xbb\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x40\x06\x7a\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\xc1\xd3\x00\x08\x03\x03\x7f\x00", 58) = 58 [pid 5861] close(3) = 0 [pid 5861] close(4) = -1 EBADF (Bad file descriptor) [pid 5861] close(5) = -1 EBADF (Bad file descriptor) [pid 5861] close(6) = -1 EBADF (Bad file descriptor) [pid 5861] close(7) = -1 EBADF (Bad file descriptor) [pid 5861] close(8) = -1 EBADF (Bad file descriptor) [pid 5861] close(9) = -1 EBADF (Bad file descriptor) [pid 5861] close(10) = -1 EBADF (Bad file descriptor) [pid 5861] close(11) = -1 EBADF (Bad file descriptor) [pid 5861] close(12) = -1 EBADF (Bad file descriptor) [pid 5861] close(13) = -1 EBADF (Bad file descriptor) [pid 5861] close(14) = -1 EBADF (Bad file descriptor) [pid 5861] close(15) = -1 EBADF (Bad file descriptor) [pid 5861] close(16) = -1 EBADF (Bad file descriptor) [pid 5861] close(17) = -1 EBADF (Bad file descriptor) [pid 5861] close(18) = -1 EBADF (Bad file descriptor) [pid 5861] close(19) = -1 EBADF (Bad file descriptor) [pid 5861] close(20) = -1 EBADF (Bad file descriptor) [pid 5861] close(21) = -1 EBADF (Bad file descriptor) [pid 5861] close(22) = -1 EBADF (Bad file descriptor) [pid 5861] close(23) = -1 EBADF (Bad file descriptor) [pid 5861] close(24) = -1 EBADF (Bad file descriptor) [pid 5861] close(25) = -1 EBADF (Bad file descriptor) [pid 5861] close(26) = -1 EBADF (Bad file descriptor) [pid 5861] close(27) = -1 EBADF (Bad file descriptor) [pid 5861] close(28) = -1 EBADF (Bad file descriptor) [pid 5861] close(29) = -1 EBADF (Bad file descriptor) [pid 5861] exit_group(0) = ? [pid 5861] +++ exited with 0 +++ executing program [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564058650) = 4 ./strace-static-x86_64: Process 5862 attached [pid 5862] set_robust_list(0x555564058660, 24) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] setpgid(0, 0) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5862] write(3, "1000", 4) = 4 [pid 5862] close(3) = 0 [pid 5862] read(200, 0x7ffe397db440, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] write(1, "executing program\n", 18) = 18 [pid 5862] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5862] 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 [ 221.643138][ T5845] sched: DL replenish lagged too much [pid 5862] write(200, "\x01\x80\xc2\x00\x00\x02\xbb\xbb\xbb\xbb\xbb\xbb\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x40\x06\x7a\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\xc1\xd3\x00\x08\x03\x03\x7f\x00", 58) = 58 [pid 5862] close(3) = 0 [pid 5862] close(4) = -1 EBADF (Bad file descriptor) [pid 5862] close(5) = -1 EBADF (Bad file descriptor) [pid 5862] close(6) = -1 EBADF (Bad file descriptor) [pid 5862] close(7) = -1 EBADF (Bad file descriptor) [pid 5862] close(8) = -1 EBADF (Bad file descriptor) [pid 5862] close(9) = -1 EBADF (Bad file descriptor) [pid 5862] close(10) = -1 EBADF (Bad file descriptor) [pid 5862] close(11) = -1 EBADF (Bad file descriptor) [pid 5862] close(12) = -1 EBADF (Bad file descriptor) [pid 5862] close(13) = -1 EBADF (Bad file descriptor) [pid 5862] close(14) = -1 EBADF (Bad file descriptor) [pid 5862] close(15) = -1 EBADF (Bad file descriptor) [pid 5862] close(16) = -1 EBADF (Bad file descriptor) [pid 5862] close(17) = -1 EBADF (Bad file descriptor) [pid 5862] close(18) = -1 EBADF (Bad file descriptor) [pid 5862] close(19) = -1 EBADF (Bad file descriptor) [pid 5862] close(20) = -1 EBADF (Bad file descriptor) [pid 5862] close(21) = -1 EBADF (Bad file descriptor) [pid 5862] close(22) = -1 EBADF (Bad file descriptor) [pid 5862] close(23) = -1 EBADF (Bad file descriptor) [pid 5862] close(24) = -1 EBADF (Bad file descriptor) [pid 5862] close(25) = -1 EBADF (Bad file descriptor) [pid 5862] close(26) = -1 EBADF (Bad file descriptor) [pid 5862] close(27) = -1 EBADF (Bad file descriptor) [pid 5862] close(28) = -1 EBADF (Bad file descriptor) [pid 5862] close(29) = -1 EBADF (Bad file descriptor) [pid 5862] exit_group(0) = ? [pid 5862] +++ exited with 0 +++ [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564058650) = 5 ./strace-static-x86_64: Process 5865 attached executing program [pid 5865] set_robust_list(0x555564058660, 24) = 0 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] setpgid(0, 0) = 0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5865] write(3, "1000", 4) = 4 [pid 5865] close(3) = 0 [pid 5865] read(200, 0x7ffe397db440, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] write(1, "executing program\n", 18) = 18 [pid 5865] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5865] 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 5865] write(200, "\x01\x80\xc2\x00\x00\x02\xbb\xbb\xbb\xbb\xbb\xbb\x08\x00\x45\x00\x00\x2c\x00\x00\x00\x00\x40\x06\x7a\xcd\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x60\xc2\x00\x01\xc1\xd3\x00\x08\x03\x03\x7f\x00", 58) = 58 [pid 5865] close(3) = 0 [pid 5865] close(4) = -1 EBADF (Bad file descriptor) [pid 5865] close(5) = -1 EBADF (Bad file descriptor) [pid 5865] close(6) = -1 EBADF (Bad file descriptor) [pid 5865] close(7) = -1 EBADF (Bad file descriptor) [pid 5865] close(8) = -1 EBADF (Bad file descriptor) [pid 5865] close(9) = -1 EBADF (Bad file descriptor) [pid 5865] close(10) = -1 EBADF (Bad file descriptor) [pid 5865] close(11) = -1 EBADF (Bad file descriptor) [pid 5865] close(12) = -1 EBADF (Bad file descriptor) [pid 5865] close(13) = -1 EBADF (Bad file descriptor) [pid 5865] close(14) = -1 EBADF (Bad file descriptor) [pid 5865] close(15) = -1 EBADF (Bad file descriptor) [pid 5865] close(16) = -1 EBADF (Bad file descriptor) [pid 5865] close(17) = -1 EBADF (Bad file descriptor) [pid 5865] close(18) = -1 EBADF (Bad file descriptor) [pid 5865] close(19) = -1 EBADF (Bad file descriptor) [pid 5865] close(20) = -1 EBADF (Bad file descriptor) [pid 5865] close(21) = -1 EBADF (Bad file descriptor) [pid 5865] close(22) = -1 EBADF (Bad file descriptor) [pid 5865] close(23) = -1 EBADF (Bad file descriptor) [pid 5865] close(24) = -1 EBADF (Bad file descriptor) [pid 5865] close(25) = -1 EBADF (Bad file descriptor) [pid 5865] close(26) = -1 EBADF (Bad file descriptor) [pid 5865] close(27) = -1 EBADF (Bad file descriptor) [pid 5865] close(28) = -1 EBADF (Bad file descriptor) [pid 5865] close(29) = -1 EBADF (Bad file descriptor) [pid 5865] exit_group(0) = ? [pid 5865] +++ exited with 0 +++ [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached , child_tidptr=0x555564058650) = 6 [pid 5866] set_robust_list(0x555564058660, 24) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] setpgid(0, 0) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] kill(-6, SIGKILL) = 0 [pid 5850] kill(6, SIGKILL) = 0 [pid 5866] +++ killed by SIGKILL +++ [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached , child_tidptr=0x555564058650) = 7 [pid 5867] set_robust_list(0x555564058660, 24) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] kill(-7, SIGKILL) = 0 [pid 5850] kill(7, SIGKILL) = 0 [pid 5867] <... openat resumed>) = ? [pid 5867] +++ killed by SIGKILL +++ [pid 5850] --- 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 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564058650) = 8 ./strace-static-x86_64: Process 5869 attached [pid 5869] set_robust_list(0x555564058660, 24) = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5869] setpgid(0, 0) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] kill(-8, SIGKILL) = 0 [pid 5850] kill(8, SIGKILL) = 0 [pid 5869] <... openat resumed>) = ? [pid 5869] +++ killed by SIGKILL +++ [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached , child_tidptr=0x555564058650) = 9 [pid 5871] set_robust_list(0x555564058660, 24) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5871] setpgid(0, 0) = 0 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] kill(-9, SIGKILL) = 0 [pid 5850] kill(9, SIGKILL) = 0 [pid 5871] <... openat resumed>) = ? [pid 5871] +++ killed by SIGKILL +++ [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564058650) = 10 [ 448.626791][ T31] INFO: task kworker/1:1:52 blocked for more than 144 seconds. [ 448.634435][ T31] Not tainted 6.15.0-rc3-syzkaller-00109-gf73f05c6f711 #0 [ 448.977698][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 449.003706][ T31] task:kworker/1:1 state:D stack:22536 pid:52 tgid:52 ppid:2 task_flags:0x4208060 flags:0x00004000 ./strace-static-x86_64: Process 5874 attached [pid 5874] set_robust_list(0x555564058660, 24) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] kill(-10, SIGKILL) = 0 [pid 5850] kill(10, SIGKILL) = 0 [pid 5850] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5874] <... openat resumed>) = ? [pid 5874] +++ killed by SIGKILL +++ [pid 5850] <... openat resumed>) = 3 [pid 5850] --- 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 5850] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5850] getdents64(3, 0x5555640596f0 /* 2 entries */, 32768) = 48 [pid 5850] getdents64(3, 0x5555640596f0 /* 0 entries */, 32768) = 0 [pid 5850] close(3) = 0 [ 453.478387][ T31] Workqueue: events_power_efficient reg_check_chans_work [ 453.502196][ T31] Call Trace: