ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor444986715

<...>
Warning: Permanently added '10.128.0.56' (ED25519) to the list of known hosts.
execve("ci-upstream-rust-kasan-gce/syz-executor444986715", ["ci-upstream-rust-kasan-gce/syz-executor444986715"], 0x7ffefea28610 /* 10 vars */) = 0
brk(NULL)                               = 0x555570e77000
brk(0x555570e77d80)                     = 0x555570e77d80
arch_prctl(ARCH_SET_FS, 0x555570e77400) = 0
set_tid_address(0x555570e776d0)         = 5646
set_robust_list(0x555570e776e0, 24)     = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-rust-kasan-gce/syz-executor444986715", 4096) = 54
getrandom("\x97\x9b\x1f\xee\xee\x82\xa2\x12", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555570e77d80
brk(0x555570e98d80)                     = 0x555570e98d80
brk(0x555570e99000)                     = 0x555570e99000
mprotect(0x7f4b14efb000, 20480, 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
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-rust-kasan-gce/strace-static-x86_64: Process 5647 attached
, child_tidptr=0x555570e776d0) = 5647
[pid  5646] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5647] set_robust_list(0x555570e776e0, 24) = 0
[pid  5647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5647] getppid()                   = 0
[pid  5647] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5647] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5647] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5647] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5647] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5647] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5647] unshare(CLONE_NEWNS)        = 0
[pid  5647] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5647] unshare(CLONE_NEWIPC)       = 0
[pid  5647] unshare(CLONE_NEWCGROUP)    = 0
[pid  5647] unshare(CLONE_NEWUTS)       = 0
[pid  5647] unshare(CLONE_SYSVSEM)      = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "16777216", 8)     = 8
[pid  5647] close(3)                    = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "536870912", 9)    = 9
[pid  5647] close(3)                    = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "1024", 4)         = 4
[pid  5647] close(3)                    = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "8192", 4)         = 4
[pid  5647] close(3)                    = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "1024", 4)         = 4
[pid  5647] close(3)                    = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "1024", 4)         = 4
[pid  5647] close(3)                    = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5647] close(3)                    = 0
[pid  5647] getpid()                    = 1
[pid  5647] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5647] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5647] unshare(CLONE_NEWNET)       = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "0 65535", 7)      = 7
[pid  5647] close(3)                    = 0
[pid  5647] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5647] write(3, "100000", 6)       = 6
[pid  5647] close(3)                    = 0
[pid  5647] mkdir("./syz-tmp", 0777)    = 0
[pid  5647] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5647] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5647] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5647] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5647] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5647] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5647] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5647] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5647] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5647] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5647] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5647] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5647] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5647] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5647] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5647] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5647] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5647] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5647] chdir("/")                  = 0
[pid  5647] umount2("./pivot", MNT_DETACH) = 0
[pid  5647] chroot("./newroot")         = 0
[pid  5647] chdir("/")                  = 0
[pid  5647] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5647] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5647] mkdir("/dev/binderfs", 0777) = 0
[pid  5647] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5647] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5647] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5647] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-rust-kasan-gce/strace-static-x86_64: Process 5650 attached
, child_tidptr=0x555570e776d0) = 2
[pid  5650] set_robust_list(0x555570e776e0, 24) = 0
[pid  5650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5647] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5650] setpgid(0, 0)               = 0
[pid  5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5650] write(3, "1000", 4)         = 4
[pid  5650] close(3)                    = 0
[pid  5650] write(1, "executing program\n", 18) = 18
[pid  5650] futex(0x7f4b14f01b4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  5650] rt_sigaction(SIGRT_1, {sa_handler=0x7f4b14e66210, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4b14e584e0}, NULL, 8) = 0
[pid  5650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4b14e08000
[pid  5650] mprotect(0x7f4b14e09000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f4b14e28990, parent_tid=0x7f4b14e28990, exit_signal=0, stack=0x7f4b14e08000, stack_size=0x202c0, tls=0x7f4b14e286c0}ci-upstream-rust-kasan-gce/strace-static-x86_64: Process 5651 attached
 => {parent_tid=[3]}, 88) = 3
[pid  5651] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 <unfinished ...>
[pid  5650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5650] futex(0x7f4b14f01b48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5650] futex(0x7f4b14f01b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5651] <... rseq resumed>)         = 0
[pid  5651] set_robust_list(0x7f4b14e289a0, 24) = 0
[pid  5651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5651] openat(AT_FDCWD, "/dev/nbd0", O_RDWR) = 3
[pid  5651] futex(0x7f4b14f01b4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5650] <... futex resumed>)        = 0
[pid  5651] <... futex resumed>)        = 1
[pid  5650] futex(0x7f4b14f01b48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5651] socketpair(AF_UNIX, SOCK_STREAM, 0 <unfinished ...>
[pid  5650] <... futex resumed>)        = 0
[pid  5650] futex(0x7f4b14f01b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5651] <... socketpair resumed>, [4, 5]) = 0
[pid  5651] futex(0x7f4b14f01b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5650] <... futex resumed>)        = 0
[pid  5651] futex(0x7f4b14f01b48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5650] futex(0x7f4b14f01b48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5651] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5650] <... futex resumed>)        = 0
[pid  5651] ioctl(3, NBD_SET_SOCK, 4 <unfinished ...>
[pid  5650] futex(0x7f4b14f01b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5651] <... ioctl resumed>)        = 0
[pid  5651] futex(0x7f4b14f01b4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5650] <... futex resumed>)        = 0
[pid  5650] futex(0x7f4b14f01b48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5651] <... futex resumed>)        = 1
[pid  5650] <... futex resumed>)        = 0
[pid  5651] ioctl(3, NBD_SET_SIZE, 930481382 <unfinished ...>
[pid  5650] futex(0x7f4b14f01b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5651] <... ioctl resumed>)        = 0
[pid  5651] futex(0x7f4b14f01b4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5650] <... futex resumed>)        = 0
[pid  5651] futex(0x7f4b14f01b48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5650] futex(0x7f4b14f01b48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5651] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5650] <... futex resumed>)        = 0
[pid  5651] ioctl(3, NBD_DO_IT <unfinished ...>
[pid  5650] futex(0x7f4b14f01b4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[  136.122081][ T5651] nbd0: detected capacity change from 0 to 1817346
[pid  5650] close(3)                    = 0
[pid  5650] close(4)                    = 0
[pid  5650] close(5)                    = 0
[pid  5650] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5650] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5650] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5650] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5650] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5650] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5650] exit_group(0)               = ?
[  136.307347][ T4926] block nbd0: Receive control failed (result -104)
[pid  5647] kill(-2, SIGKILL)           = 0
[pid  5647] kill(2, SIGKILL)            = 0
[pid  5647] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5647] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5647] getdents64(3, 0x555570e787a0 /* 2 entries */, 32768) = 48
[pid  5647] getdents64(3, 0x555570e787a0 /* 0 entries */, 32768) = 0
[pid  5647] close(3)                    = 0
[  166.161676][ T2008] block nbd0: Possible stuck request ffff888026e00000: control (read@0,4096B). Runtime 30 seconds
[  196.241278][ T2008] block nbd0: Possible stuck request ffff888026e00000: control (read@0,4096B). Runtime 60 seconds
[  226.321237][ T2008] block nbd0: Possible stuck request ffff888026e00000: control (read@0,4096B). Runtime 90 seconds
[  256.401246][ T2008] block nbd0: Possible stuck request ffff888026e00000: control (read@0,4096B). Runtime 120 seconds
[  286.481489][   T34] INFO: task udevd:4976 blocked for more than 143 seconds.
[  286.481509][   T34]       Not tainted syzkaller #0
[  286.481515][   T34] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.481523][   T34] task:udevd           state:D stack:25904 pid:4976  tgid:4976  ppid:1      task_flags:0x400140 flags:0x00080000
[  286.481568][   T34] Call Trace:
[  286.481575][   T34]  <TASK>
[  286.481583][   T34]  __schedule+0x1b47/0x5b40
[  286.481634][   T34]  ? __pfx___schedule+0x10/0x10
[  286.481650][   T34]  ? schedule+0x90/0x2b0
[  286.481663][   T34]  schedule+0x164/0x2b0
[  286.481675][   T34]  schedule_preempt_disabled+0x13/0x30
[  286.481687][   T34]  __mutex_lock+0x7c4/0x15a0
[  286.481703][   T34]  ? __mutex_lock+0x5cd/0x15a0
[  286.481722][   T34]  ? bdev_open+0xde/0xd70
[  286.481742][   T34]  ? __pfx___mutex_lock+0x10/0x10
[  286.481762][   T34]  ? disk_block_events+0xab/0x120
[  286.481772][   T34]  ? bdev_open+0xb0/0xd70
[  286.481787][   T34]  bdev_open+0xde/0xd70
[  286.481813][   T34]  blkdev_open+0x461/0x600
[  286.481830][   T34]  ? __pfx_blkdev_open+0x10/0x10
[  286.481844][   T34]  do_dentry_open+0x80e/0x1360
[  286.481866][   T34]  vfs_open_consume+0x4a/0x350
[  286.481880][   T34]  ? path_openat+0x148a/0x1da0
[  286.481895][   T34]  path_openat+0x14a6/0x1da0
[  286.481918][   T34]  do_file_open+0x23e/0x4a0
[  286.481934][   T34]  ? __pfx_do_file_open+0x10/0x10
[  286.481957][   T34]  ? _raw_spin_unlock+0x28/0x50
[  286.481967][   T34]  ? alloc_fd+0x6af/0x760
[  286.481983][   T34]  do_sys_openat2+0x115/0x200
[  286.482000][   T34]  ? __pfx_do_sys_openat2+0x10/0x10
[  286.482016][   T34]  ? fput_close_sync+0x11f/0x240
[  286.482026][   T34]  ? __pfx_fput_close_sync+0x10/0x10
[  286.482036][   T34]  ? do_raw_spin_unlock+0xf5/0x200
[  286.482054][   T34]  __x64_sys_openat+0x138/0x170
[  286.482072][   T34]  do_syscall_64+0x166/0x520
[  286.482084][   T34]  ? trace_irq_disable+0x3b/0x140
[  286.482097][   T34]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.482108][   T34]  ? clear_bhb_loop+0x70/0xc0
[  286.482121][   T34]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.482132][   T34] RIP: 0033:0x7f3cf94a7407
[  286.482148][   T34] RSP: 002b:00007ffe14601200 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
[  286.482159][   T34] RAX: ffffffffffffffda RBX: 00007f3cf9c98880 RCX: 00007f3cf94a7407
[  286.482167][   T34] RDX: 00000000000a0800 RSI: 000055558ad71730 RDI: ffffffffffffff9c
[  286.482174][   T34] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  286.482181][   T34] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
[  286.482187][   T34] R13: 0000555567e62100 R14: 0000000000000000 R15: 00007ffe14601490
[  286.482203][   T34]  </TASK>
[  286.482214][   T34] INFO: task syz-executor444:5651 blocked for more than 143 seconds.
[  286.482221][   T34]       Not tainted syzkaller #0
[  286.482227][   T34] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.482232][   T34] task:syz-executor444 state:D stack:26792 pid:5651  tgid:5650  ppid:5647   task_flags:0x400140 flags:0x00080803
[  286.482262][   T34] Call Trace:
[  286.482266][   T34]  <TASK>
[  286.482272][   T34]  __schedule+0x1b47/0x5b40
[  286.482297][   T34]  ? __pfx___schedule+0x10/0x10
[  286.482316][   T34]  ? schedule+0x90/0x2b0
[  286.482328][   T34]  schedule+0x164/0x2b0
[  286.482340][   T34]  schedule_preempt_disabled+0x13/0x30
[  286.482351][   T34]  __mutex_lock+0x7c4/0x15a0
[  286.482365][   T34]  ? __mutex_lock+0x5cd/0x15a0
[  286.482379][   T34]  ? bdev_release+0x1b8/0x690
[  286.482394][   T34]  ? __pfx___mutex_lock+0x10/0x10
[  286.482420][   T34]  ? __fsnotify_parent+0x530/0x620
[  286.482439][   T34]  ? __pfx___fsnotify_parent+0x10/0x10
[  286.482454][   T34]  bdev_release+0x1b8/0x690
[  286.482472][   T34]  ? __pfx_blkdev_release+0x10/0x10
[  286.482487][   T34]  blkdev_release+0x15/0x20
[  286.482502][   T34]  __fput+0x413/0xa50
[  286.482516][   T34]  task_work_run+0x1d9/0x260
[  286.482530][   T34]  ? __pfx_task_work_run+0x10/0x10
[  286.482540][   T34]  ? task_work_add+0x38b/0x420
[  286.482552][   T34]  ? __pfx_task_work_add+0x10/0x10
[  286.482565][   T34]  ptrace_notify+0x258/0x290
[  286.482579][   T34]  ? __pfx_ptrace_notify+0x10/0x10
[  286.482590][   T34]  ? __fput_deferred+0x222/0x390
[  286.482599][   T34]  ? __pfx___fput_deferred+0x10/0x10
[  286.482612][   T34]  ? __pfx_blkdev_ioctl+0x10/0x10
[  286.482624][   T34]  ptrace_report_syscall_exit+0x2d/0x50
[  286.482640][   T34]  do_syscall_64+0x4a0/0x520
[  286.482652][   T34]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.482662][   T34]  ? clear_bhb_loop+0x70/0xc0
[  286.482675][   T34]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.482685][   T34] RIP: 0033:0x7f4b14e532a9
[  286.482694][   T34] RSP: 002b:00007f4b14e281d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  286.482704][   T34] RAX: 0000000000000000 RBX: 00007f4b14f01b48 RCX: 00007f4b14e532a9
[  286.482712][   T34] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[  286.482720][   T34] RBP: 00007f4b14f01b40 R08: 33203a6b63617473 R09: 33203a6b63617473
[  286.482727][   T34] R10: 33203a6b63617473 R11: 0000000000000246 R12: 00007f4b14f01b4c
[  286.482735][   T34] R13: 00007f4b14ed2658 R14: 64626e2f7665642f R15: 0000200000000000
[  286.482751][   T34]  </TASK>
[  286.482758][   T34] 
[  286.482758][   T34] Showing all locks held in the system:
[  286.482765][   T34] locks held by khungtaskd/34: 1, last CPU#1:
[  286.482773][   T34]  #0: ffffffff8f15c520 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  286.482882][   T34] locks held by kworker/u8:7/304: 2, on CPU#0:
[  286.482895][   T34]  #0: ffff88813fe4c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[  286.482944][   T34]  #1: ffffc9000341fc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[  286.482994][   T34] locks held by kworker/1:1H/2008: 2, last CPU#1:
[  286.483001][   T34]  #0: ffff88801eac3548 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[  286.483029][   T34]  #1: ffffc90006577c40 ((work_completion)(&q->timeout_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[  286.483065][   T34] locks held by udevd/4976: 1, on CPU#0:
[  286.483072][   T34]  #0: ffff8880267e5350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70
[  286.483101][   T34] locks held by getty/5365: 2, on CPU#0:
[  286.483108][   T34]  #0: ffff88802f4bd0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  286.483133][   T34]  #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360
[  286.483161][   T34] locks held by udevd/5648: 1, on CPU#1:
[  286.483168][   T34]  #0: ffff8880267e5350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70
[  286.483196][   T34] locks held by syz-executor444/5651: 1, on CPU#1:
[  286.483203][   T34]  #0: ffff8880267e5350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1b8/0x690
[  286.483233][   T34] 
[  286.483235][   T34] =============================================
[  286.483235][   T34] 
[  286.483241][   T34] NMI backtrace for cpu 1
[  286.483257][   T34] CPU: 1 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  286.483268][   T34] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  286.483274][   T34] Call Trace:
[  286.483278][   T34]  <TASK>
[  286.483283][   T34]  dump_stack_lvl+0xe8/0x150
[  286.483297][   T34]  nmi_cpu_backtrace+0x274/0x2d0
[  286.483320][   T34]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  286.483338][   T34]  nmi_trigger_cpumask_backtrace+0x17d/0x390
[  286.483354][   T34]  sys_info+0x135/0x170
[  286.483368][   T34]  watchdog+0x1058/0x10d0
[  286.483383][   T34]  ? watchdog+0x209/0x10d0
[  286.483397][   T34]  kthread+0x38b/0x480
[  286.483408][   T34]  ? __pfx_watchdog+0x10/0x10
[  286.483418][   T34]  ? __pfx_kthread+0x10/0x10
[  286.483429][   T34]  ret_from_fork+0x514/0xb70
[  286.483446][   T34]  ? __pfx_ret_from_fork+0x10/0x10
[  286.483459][   T34]  ? __switch_to+0xc78/0x1410
[  286.483473][   T34]  ? __pfx_kthread+0x10/0x10
[  286.483483][   T34]  ret_from_fork_asm+0x1a/0x30
[  286.483503][   T34]  </TASK>
[  286.483507][   T34] Sending NMI from CPU 1 to CPUs 0:
[  286.483548][    C0] NMI backtrace for cpu 0
[  286.483561][    C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) 
[  286.483581][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  286.483591][    C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[  286.483622][    C0] Code: 6b a2 02 c3 cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 33 97 29 00 fb f4 <e9> 8c 18 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[  286.483638][    C0] RSP: 0018:ffffffff8ee07ca0 EFLAGS: 00000246
[  286.483654][    C0] RAX: 00000000000cb703 RBX: ffffffff819ccf00 RCX: 8000000000000001
[  286.483668][    C0] RDX: 0000000000000001 RSI: ffffffff8e74f1c1 RDI: ffffffff8c8f3280
[  286.483681][    C0] RBP: ffffffff8ee07d78 R08: ffff8880b8433e5b R09: 1ffff110170867cb
[  286.483695][    C0] R10: dffffc0000000000 R11: ffffed10170867cc R12: 0000000000000000
[  286.483708][    C0] R13: 1ffffffff1dd1df8 R14: 1ffffffff1dc0f9c R15: dffffc0000000000
[  286.483722][    C0] FS:  0000000000000000(0000) GS:ffff888124623000(0000) knlGS:0000000000000000
[  286.483737][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  286.483750][    C0] CR2: 00005621f364e168 CR3: 000000000ef48000 CR4: 00000000003526f0
[  286.483766][    C0] Call Trace:
[  286.483773][    C0]  <TASK>
[  286.483779][    C0]  default_idle+0x9/0x20
[  286.483801][    C0]  default_idle_call+0x72/0xb0
[  286.483825][    C0]  do_idle+0x2e0/0x540
[  286.483844][    C0]  ? __pfx_do_idle+0x10/0x10
[  286.483867][    C0]  cpu_startup_entry+0x43/0x60
[  286.483885][    C0]  rest_init+0x378/0x3a0
[  286.483910][    C0]  ? __pfx_rest_init+0x10/0x10
[  286.483938][    C0]  ? __pfx_kernel_init+0x10/0x10
[  286.483963][    C0]  ? __pfx_acpi_hw_get_mode+0x10/0x10
[  286.483991][    C0]  ? acpi_ut_status_exit+0x120/0x1f0
[  286.484013][    C0]  ? acpi_ut_status_exit+0x120/0x1f0
[  286.484037][    C0]  ? acpi_enable_subsystem+0x286/0x3c0
[  286.484071][    C0]  start_kernel+0x397/0x3e0
[  286.484097][    C0]  x86_64_start_reservations+0x24/0x30
[  286.484116][    C0]  x86_64_start_kernel+0x137/0x1b0
[  286.484134][    C0]  common_startup_64+0x13e/0x157
[  286.484161][    C0]  </TASK>
[  286.485122][ T2008] block nbd0: Possible stuck request ffff888026e00000: control (read@0,4096B). Runtime 150 seconds
[  286.485167][   T34] Kernel panic - not syncing: hung_task: blocked tasks
[  287.468393][   T34] CPU: 1 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  287.477489][   T34] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  287.487539][   T34] Call Trace:
[  287.490811][   T34]  <TASK>
[  287.493733][   T34]  vpanic+0x26f/0x710
[  287.497718][   T34]  panic+0xc5/0xd0
[  287.501434][   T34]  ? __pfx_panic+0x10/0x10
[  287.505837][   T34]  ? preempt_schedule_common+0x7f/0xd0
[  287.511290][   T34]  ? preempt_schedule_thunk+0x16/0x40
[  287.516646][   T34]  ? nmi_trigger_cpumask_backtrace+0x31a/0x390
[  287.522794][   T34]  ? nmi_trigger_cpumask_backtrace+0x31f/0x390
[  287.528942][   T34]  watchdog+0x10cc/0x10d0
[  287.533265][   T34]  ? watchdog+0x209/0x10d0
[  287.537673][   T34]  kthread+0x38b/0x480
[  287.541728][   T34]  ? __pfx_watchdog+0x10/0x10
[  287.546391][   T34]  ? __pfx_kthread+0x10/0x10
[  287.550969][   T34]  ret_from_fork+0x514/0xb70
[  287.555555][   T34]  ? __pfx_ret_from_fork+0x10/0x10
[  287.560660][   T34]  ? __switch_to+0xc78/0x1410
[  287.565327][   T34]  ? __pfx_kthread+0x10/0x10
[  287.569902][   T34]  ret_from_fork_asm+0x1a/0x30
[  287.574670][   T34]  </TASK>
[  287.577934][   T34] Kernel Offset: disabled
[  287.582247][   T34] Rebooting in 86400 seconds..