./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor996702189 <...> Warning: Permanently added '10.128.1.20' (ED25519) to the list of known hosts. execve("./syz-executor996702189", ["./syz-executor996702189"], 0x7ffc694f6360 /* 10 vars */) = 0 brk(NULL) = 0x55555b31a000 brk(0x55555b31ad00) = 0x55555b31ad00 arch_prctl(ARCH_SET_FS, 0x55555b31a380) = 0 set_tid_address(0x55555b31a650) = 5838 set_robust_list(0x55555b31a660, 24) = 0 rseq(0x55555b31aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor996702189", 4096) = 27 getrandom("\x76\x3f\x49\x72\x7b\x6f\x7d\xd6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555b31ad00 brk(0x55555b33bd00) = 0x55555b33bd00 brk(0x55555b33c000) = 0x55555b33c000 mprotect(0x7f96f001e000, 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 5839 attached [pid 5839] set_robust_list(0x55555b31a660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x55555b31a650) = 5839 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "10000000000", 11) = 11 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "20", 2) = 2 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "0", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "0", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "100", 3) = 3 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "0", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "0", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "7 4 1 3", 7) = 7 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "0", 1) = 1 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "5839", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] kill(5839, SIGKILL) = 0 [pid 5839] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5839, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- mkdir("./syzkaller.VsqfPk", 0700) = 0 chmod("./syzkaller.VsqfPk", 0777) = 0 chdir("./syzkaller.VsqfPk") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached [pid 5840] set_robust_list(0x55555b31a660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x55555b31a650) = 5840 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] getppid() = 0 [pid 5840] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5840] unshare(CLONE_NEWNS) = 0 [pid 5840] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5840] unshare(CLONE_NEWIPC) = 0 [pid 5840] unshare(CLONE_NEWCGROUP) = 0 [pid 5840] unshare(CLONE_NEWUTS) = 0 [pid 5840] unshare(CLONE_SYSVSEM) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "16777216", 8) = 8 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "536870912", 9) = 9 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "8192", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5840] close(3) = 0 [pid 5840] getpid() = 1 [pid 5840] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5852] set_robust_list(0x55555b31a660, 24) = 0 [pid 5852] chdir("./1") = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x55555b31a650) = 3 [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 [pid 5852] read(200, 0x7ffcea1079a0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5852] write(1, "executing program\n", 18) = 18 [pid 5852] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5852] 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 5852] write(200, "\xaa\xaa\xaa\xaa\xaa\xaa\xff\xff\xff\xff\xff\xff\x08\x00\x45\x00\x00\x30\x00\x00\x00\x00\x07\x06\xb3\xc9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4e\x29\x44\x43\x42\x41\x44\x43\x42\x41\x70\x16\x00\x01\x26\x8d\x00\x00\x02\x04\x01\x00\x03\x03\x08\x00", 62) = 62 [pid 5852] close(3) = 0 [pid 5852] close(4) = -1 EBADF (Bad file descriptor) [pid 5852] close(5) = -1 EBADF (Bad file descriptor) [pid 5852] close(6) = -1 EBADF (Bad file descriptor) [pid 5852] close(7) = -1 EBADF (Bad file descriptor) [pid 5852] close(8) = -1 EBADF (Bad file descriptor) [pid 5852] close(9) = -1 EBADF (Bad file descriptor) [pid 5852] close(10) = -1 EBADF (Bad file descriptor) [pid 5852] close(11) = -1 EBADF (Bad file descriptor) [pid 5852] close(12) = -1 EBADF (Bad file descriptor) [pid 5852] close(13) = -1 EBADF (Bad file descriptor) [pid 5852] close(14) = -1 EBADF (Bad file descriptor) [pid 5852] close(15) = -1 EBADF (Bad file descriptor) [pid 5852] close(16) = -1 EBADF (Bad file descriptor) [pid 5852] close(17) = -1 EBADF (Bad file descriptor) [pid 5852] close(18) = -1 EBADF (Bad file descriptor) [pid 5852] close(19) = -1 EBADF (Bad file descriptor) [pid 5852] close(20) = -1 EBADF (Bad file descriptor) [pid 5852] close(21) = -1 EBADF (Bad file descriptor) [pid 5852] close(22) = -1 EBADF (Bad file descriptor) [pid 5852] close(23) = -1 EBADF (Bad file descriptor) [pid 5852] close(24) = -1 EBADF (Bad file descriptor) [ 82.266147][ T968] cfg80211: failed to load regulatory.db [pid 5852] close(25) = -1 EBADF (Bad file descriptor) [pid 5852] close(26) = -1 EBADF (Bad file descriptor) [pid 5852] close(27) = -1 EBADF (Bad file descriptor) [pid 5852] close(28) = -1 EBADF (Bad file descriptor) [pid 5852] close(29) = -1 EBADF (Bad file descriptor) [pid 5852] exit_group(0) = ? [pid 5852] +++ exited with 0 +++ [pid 5840] --- 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 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5840] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55555b31b6f0 /* 3 entries */, 32768) = 80 [pid 5840] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./1/binderfs") = 0 [pid 5840] getdents64(3, 0x55555b31b6f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./1") = 0 [pid 5840] mkdir("./2", 0777) = 0 [ 95.670615][ C1] sched: DL replenish lagged too much [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached , child_tidptr=0x55555b31a650) = 4 [pid 5853] set_robust_list(0x55555b31a660, 24) = 0 [pid 5853] chdir("./2") = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] setpgid(0, 0) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3) = 0 [pid 5853] read(200, 0x7ffcea1079a0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] symlink("/dev/binderfs", "./binderfs" [pid 5840] kill(-4, SIGKILL) = 0 [pid 5840] kill(4, SIGKILL) = 0 [pid 5853] <... symlink resumed>) = ? [pid 5853] +++ killed by SIGKILL +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=4, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5840] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55555b31b6f0 /* 3 entries */, 32768) = 80 [pid 5840] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./2/binderfs") = 0 [pid 5840] getdents64(3, 0x55555b31b6f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./2") = 0 [pid 5840] mkdir("./3", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b31a650) = 5 ./strace-static-x86_64: Process 5857 attached [pid 5857] set_robust_list(0x55555b31a660, 24) = 0 [pid 5857] chdir("./3") = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] setpgid(0, 0) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1000", 4) = 4 [pid 5857] close(3) = 0 [pid 5857] read(200, 0x7ffcea1079a0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] symlink("/dev/binderfs", "./binderfs" [pid 5840] kill(-5, SIGKILL) = 0 [pid 5840] kill(5, SIGKILL) = 0 [pid 5857] <... symlink resumed>) = ? [pid 5840] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", [pid 5857] +++ killed by SIGKILL +++ [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5840] getdents64(3, 0x55555b31b6f0 /* 2 entries */, 32768) = 48 [pid 5840] getdents64(3, 0x55555b31b6f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55555b31b6f0 /* 3 entries */, 32768) = 80 [pid 5840] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./3/binderfs") = 0 [pid 5840] getdents64(3, 0x55555b31b6f0 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./3") = 0 [pid 5840] mkdir("./4", 0777) = 0 [ 247.257340][ T30] INFO: task kworker/0:3:5847 blocked for more than 143 seconds. [ 247.281477][ T30] Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0 [ 247.737229][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.762385][ T30] task:kworker/0:3 state:D stack:23184 pid:5847 tgid:5847 ppid:2 flags:0x00004000 [ 250.800744][ T30] Workqueue: events_power_efficient crda_timeout_work [ 250.825897][ T30] Call Trace: [ 250.846738][ T30] [ 251.246622][ T30] __schedule+0x18af/0x4bd0 [ 251.268991][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 251.274074][ T30] ? schedule+0x90/0x320 [ 251.889165][ T30] ? __pfx___schedule+0x10/0x10 [ 251.894112][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 253.630846][ T30] ? __pfx_lock_release+0x10/0x10 [ 253.635962][ T30] ? kick_pool+0x1c9/0x620 [ 255.479124][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 255.484426][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 256.750826][ T30] ? schedule+0x90/0x320 [ 256.755178][ T30] schedule+0x14b/0x320 [ 256.777882][ T30] schedule_preempt_disabled+0x13/0x30 [ 256.783395][ T30] __mutex_lock+0x6a7/0xd70