./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1281109643

<...>
Warning: Permanently added '10.128.0.132' (ED25519) to the list of known hosts.
execve("./syz-executor1281109643", ["./syz-executor1281109643"], 0x7ffeafd1d840 /* 10 vars */) = 0
brk(NULL)                               = 0x55558b7fc000
brk(0x55558b7fcd40)                     = 0x55558b7fcd40
arch_prctl(ARCH_SET_FS, 0x55558b7fc3c0) = 0
set_tid_address(0x55558b7fc690)         = 5089
set_robust_list(0x55558b7fc6a0, 24)     = 0
rseq(0x55558b7fcce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1281109643", 4096) = 28
getrandom("\x07\x5c\x8c\x3f\x8e\x49\xad\xeb", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558b7fcd40
brk(0x55558b81dd40)                     = 0x55558b81dd40
brk(0x55558b81e000)                     = 0x55558b81e000
mprotect(0x7f6e40105000, 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
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached
, child_tidptr=0x55558b7fc690) = 5090
[pid  5090] set_robust_list(0x55558b7fc6a0, 24) = 0
[pid  5090] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5090] setsid()                    = 1
[pid  5090] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5090] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5090] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5090] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5090] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5090] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5090] unshare(CLONE_NEWNS)        = 0
[pid  5090] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5090] unshare(CLONE_NEWIPC)       = 0
[pid  5090] unshare(CLONE_NEWCGROUP)    = 0
[pid  5090] unshare(CLONE_NEWUTS)       = 0
[pid  5090] unshare(CLONE_SYSVSEM)      = 0
[pid  5090] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "16777216", 8)     = 8
[pid  5090] close(3)                    = 0
[pid  5090] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "536870912", 9)    = 9
[pid  5090] close(3)                    = 0
[pid  5090] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "1024", 4)         = 4
[pid  5090] close(3)                    = 0
[pid  5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "8192", 4)         = 4
[pid  5090] close(3)                    = 0
[pid  5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "1024", 4)         = 4
[pid  5090] close(3)                    = 0
[pid  5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "1024", 4)         = 4
[pid  5090] close(3)                    = 0
[pid  5090] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5090] close(3)                    = 0
[pid  5090] getpid()                    = 1
[pid  5090] 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  5090] 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  5090] unshare(CLONE_NEWNET)       = 0
[pid  5090] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "0 65535", 7)      = 7
[pid  5090] close(3)                    = 0
[pid  5090] mkdir("/dev/binderfs", 0777) = 0
[pid  5090] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5090] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5090] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached
, child_tidptr=0x55558b7fc690) = 2
[pid  5093] set_robust_list(0x55558b7fc6a0, 24) = 0
[pid  5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5093] setpgid(0, 0)               = 0
[pid  5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5093] write(3, "1000", 4)         = 4
[pid  5093] close(3)                    = 0
[pid  5093] futex(0x7f6e4010b32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5093] rt_sigaction(SIGRT_1, {sa_handler=0x7f6e400aa410, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6e4009ba90}, NULL, 8) = 0
[pid  5093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6e4001c000
[pid  5093] mprotect(0x7f6e4001d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6e4003c990, parent_tid=0x7f6e4003c990, exit_signal=0, stack=0x7f6e4001c000, stack_size=0x20300, tls=0x7f6e4003c6c0}./strace-static-x86_64: Process 5094 attached
 => {parent_tid=[3]}, 88) = 3
[pid  5093] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5094] rseq(0x7f6e4003cfe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5093] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5094] <... rseq resumed>)         = 0
[pid  5093] futex(0x7f6e4010b328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5094] set_robust_list(0x7f6e4003c9a0, 24 <unfinished ...>
[pid  5093] <... futex resumed>)        = 0
[pid  5094] <... set_robust_list resumed>) = 0
[pid  5093] futex(0x7f6e4010b32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5094] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid  5094] futex(0x7f6e4010b32c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5094] futex(0x7f6e4010b328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5093] <... futex resumed>)        = 0
[pid  5093] futex(0x7f6e4010b328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5094] <... futex resumed>)        = 0
[pid  5094] socketpair(AF_UNIX, SOCK_STREAM, 0,  <unfinished ...>
[pid  5093] <... futex resumed>)        = 1
[pid  5094] <... socketpair resumed>[4, 5]) = 0
[pid  5093] futex(0x7f6e4010b32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5094] futex(0x7f6e4010b32c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5093] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5093] futex(0x7f6e4010b328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5094] ioctl(3, NBD_SET_SOCK, 4 <unfinished ...>
[pid  5093] <... futex resumed>)        = 0
[pid  5093] futex(0x7f6e4010b32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5094] <... ioctl resumed>)        = 0
[pid  5094] futex(0x7f6e4010b32c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5093] <... futex resumed>)        = 0
[pid  5094] <... futex resumed>)        = 1
[pid  5093] futex(0x7f6e4010b328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5094] ioctl(3, NBD_DO_IT <unfinished ...>
[pid  5093] <... futex resumed>)        = 0
[pid  5093] futex(0x7f6e4010b32c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5093] futex(0x7f6e4010b33c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6e3fffb000
[pid  5093] mprotect(0x7f6e3fffc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6e4001b990, parent_tid=0x7f6e4001b990, exit_signal=0, stack=0x7f6e3fffb000, stack_size=0x20300, tls=0x7f6e4001b6c0}./strace-static-x86_64: Process 5095 attached
 => {parent_tid=[4]}, 88) = 4
[pid  5095] rseq(0x7f6e4001bfe0, 0x20, 0, 0x53053053) = 0
[pid  5095] set_robust_list(0x7f6e4001b9a0, 24) = 0
[pid  5095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5093] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5095] futex(0x7f6e4010b338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5093] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5093] futex(0x7f6e4010b338, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5095] <... futex resumed>)        = 0
[pid  5093] <... futex resumed>)        = 1
[pid  5095] ioctl(3, NBD_SET_SIZE_BLOCKS, 1 <unfinished ...>
[pid  5093] futex(0x7f6e4010b33c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5095] <... ioctl resumed>)        = 0
[pid  5095] futex(0x7f6e4010b33c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5093] <... futex resumed>)        = 0
[   74.172208][ T5095] nbd0: detected capacity change from 0 to 2
[pid  5095] futex(0x7f6e4010b338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5093] close(3)                    = 0
[pid  5093] close(4)                    = 0
[pid  5093] close(5)                    = 0
[pid  5093] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5093] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5093] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5093] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5093] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(16)                   = -1 EBADF (Bad file descriptor)
[   74.379204][ T4489] block nbd0: Receive control failed (result -104)
[pid  5093] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5093] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5093] exit_group(0)               = ?
[pid  5095] <... futex resumed>)        = ?
[pid  5095] +++ exited with 0 +++
[pid  5090] kill(-2, SIGKILL)           = 0
[pid  5090] kill(2, SIGKILL)            = 0
[pid  5090] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5090] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5090] getdents64(3, 0x55558b7fd730 /* 2 entries */, 32768) = 48
[pid  5090] getdents64(3, 0x55558b7fd730 /* 0 entries */, 32768) = 0
[pid  5090] close(3)                    = 0
[   87.259045][    T9] cfg80211: failed to load regulatory.db
[  104.533323][   T58] block nbd0: Possible stuck request ffff888020ce0000: control (read@0,1024B). Runtime 30 seconds
[  134.272343][ T4545] udevd[4545]: worker [5091] /devices/virtual/block/nbd0 is taking a long time
[  134.612552][   T58] block nbd0: Possible stuck request ffff888020ce0000: control (read@0,1024B). Runtime 60 seconds
[  164.692561][   T58] block nbd0: Possible stuck request ffff888020ce0000: control (read@0,1024B). Runtime 90 seconds
[  194.776116][   T58] block nbd0: Possible stuck request ffff888020ce0000: control (read@0,1024B). Runtime 120 seconds
[  224.852620][   T58] block nbd0: Possible stuck request ffff888020ce0000: control (read@0,1024B). Runtime 150 seconds
[  254.440910][ T4545] udevd[4545]: worker [5091] /devices/virtual/block/nbd0 timeout; kill it
[  254.450366][ T4545] udevd[4545]: seq 7647 '/devices/virtual/block/nbd0' killed
[  254.932605][   T58] block nbd0: Possible stuck request ffff888020ce0000: control (read@0,1024B). Runtime 180 seconds
[  285.012613][   T58] block nbd0: Possible stuck request ffff888020ce0000: control (read@0,1024B). Runtime 210 seconds
[  286.932377][   T30] INFO: task syz-executor128:5094 blocked for more than 143 seconds.
[  286.940892][   T30]       Not tainted 6.9.0-next-20240514-syzkaller #0
[  286.947743][   T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.956971][   T30] task:syz-executor128 state:D stack:26040 pid:5094  tgid:5093  ppid:5090   flags:0x00004006
[  286.967290][   T30] Call Trace:
[  286.970605][   T30]  <TASK>
[  286.973649][   T30]  __schedule+0x17e8/0x4a50
[  286.978381][   T30]  ? __pfx___schedule+0x10/0x10
[  286.983417][   T30]  ? __pfx_lock_release+0x10/0x10
[  286.988573][   T30]  ? __mutex_trylock_common+0x92/0x2e0
[  286.994196][   T30]  ? schedule+0x90/0x320
[  286.998484][   T30]  schedule+0x14b/0x320
[  287.002786][   T30]  schedule_preempt_disabled+0x13/0x30
[  287.008315][   T30]  __mutex_lock+0x6a4/0xd70
[  287.013001][   T30]  ? __mutex_lock+0x527/0xd70
[  287.017729][   T30]  ? bdev_release+0x184/0x700
[  287.022596][   T30]  ? __pfx___mutex_lock+0x10/0x10
[  287.027672][   T30]  ? __fsnotify_parent+0x20c/0x5e0
[  287.033635][   T30]  bdev_release+0x184/0x700
[  287.038191][   T30]  blkdev_release+0x15/0x20
[  287.042786][   T30]  ? __pfx_blkdev_release+0x10/0x10
[  287.048062][   T30]  __fput+0x406/0x8b0
[  287.052249][   T30]  task_work_run+0x24f/0x310
[  287.056941][   T30]  ? __pfx_task_work_run+0x10/0x10
[  287.062187][   T30]  ptrace_notify+0x2d2/0x380
[  287.066851][   T30]  ? __pfx_ptrace_notify+0x10/0x10
[  287.072117][   T30]  ? __pfx_task_work_add+0x10/0x10
[  287.077284][   T30]  ? blkdev_ioctl+0x580/0x6b0
[  287.082159][   T30]  ? __pfx_blkdev_ioctl+0x10/0x10
[  287.087271][   T30]  syscall_exit_work+0xc6/0x190
[  287.092293][   T30]  syscall_exit_to_user_mode+0x273/0x370
[  287.098066][   T30]  do_syscall_64+0x102/0x240
[  287.102742][   T30]  ? clear_bhb_loop+0x35/0x90
[  287.107535][   T30]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.113635][   T30] RIP: 0033:0x7f6e40084479
[  287.118084][   T30] RSP: 002b:00007f6e4003c228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  287.126598][   T30] RAX: 0000000000000000 RBX: 00007f6e4010b328 RCX: 00007f6e40084479
[  287.134701][   T30] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[  287.142785][   T30] RBP: 00007f6e4010b320 R08: 00007f6e4003c6c0 R09: 00007f6e4003c6c0
[  287.150802][   T30] R10: 00007f6e4003c6c0 R11: 0000000000000246 R12: 00007f6e4010b32c
[  287.158902][   T30] R13: 00007f6e400d818c R14: 64626e2f7665642f R15: 00007ffd7e135ba8
[  287.167088][   T30]  </TASK>
[  287.170144][   T30] 
[  287.170144][   T30] Showing all locks held in the system:
[  287.178015][   T30] 1 lock held by khungtaskd/30:
[  287.182951][   T30]  #0: ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[  287.193060][   T30] 2 locks held by getty/4841:
[  287.197790][   T30]  #0: ffff88802aabb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  287.207897][   T30]  #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[  287.218178][   T30] 1 lock held by udevd/5091:
[  287.222910][   T30]  #0: ffff8880206c64c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xe5/0xc70
[  287.232324][   T30] 1 lock held by syz-executor128/5094:
[  287.237814][   T30]  #0: ffff8880206c64c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x184/0x700
[  287.247527][   T30] 
[  287.249881][   T30] =============================================
[  287.249881][   T30] 
[  287.258401][   T30] NMI backtrace for cpu 1
[  287.262756][   T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-next-20240514-syzkaller #0
[  287.271729][   T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  287.281793][   T30] Call Trace:
[  287.285098][   T30]  <TASK>
[  287.288046][   T30]  dump_stack_lvl+0x241/0x360
[  287.292754][   T30]  ? __pfx_dump_stack_lvl+0x10/0x10
[  287.297985][   T30]  ? __pfx__printk+0x10/0x10
[  287.302672][   T30]  ? vprintk_emit+0x631/0x770
[  287.307378][   T30]  ? __pfx_vprintk_emit+0x10/0x10
[  287.312459][   T30]  nmi_cpu_backtrace+0x49c/0x4d0
[  287.317469][   T30]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  287.323654][   T30]  ? _printk+0xd5/0x120
[  287.327832][   T30]  ? __pfx__printk+0x10/0x10
[  287.332441][   T30]  ? __wake_up_klogd+0xcc/0x110
[  287.337312][   T30]  ? __pfx__printk+0x10/0x10
[  287.341923][   T30]  ? wq_watchdog_touch+0x72/0x110
[  287.347048][   T30]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  287.353080][   T30]  nmi_trigger_cpumask_backtrace+0x198/0x320
[  287.359096][   T30]  watchdog+0xfde/0x1020
[  287.363396][   T30]  ? watchdog+0x1ea/0x1020
[  287.367855][   T30]  ? __pfx_watchdog+0x10/0x10
[  287.372571][   T30]  kthread+0x2f0/0x390
[  287.376682][   T30]  ? __pfx_watchdog+0x10/0x10
[  287.381374][   T30]  ? __pfx_kthread+0x10/0x10
[  287.385986][   T30]  ret_from_fork+0x4b/0x80
[  287.390460][   T30]  ? __pfx_kthread+0x10/0x10
[  287.395093][   T30]  ret_from_fork_asm+0x1a/0x30
[  287.399927][   T30]  </TASK>
[  287.403202][   T30] Sending NMI from CPU 1 to CPUs 0:
[  287.408492][    C0] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x21/0x30
[  287.409461][   T30] Kernel panic - not syncing: hung_task: blocked tasks
[  287.424469][   T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-next-20240514-syzkaller #0
[  287.433426][   T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  287.443513][   T30] Call Trace:
[  287.446997][   T30]  <TASK>
[  287.449958][   T30]  dump_stack_lvl+0x241/0x360
[  287.454678][   T30]  ? __pfx_dump_stack_lvl+0x10/0x10
[  287.459916][   T30]  ? __pfx__printk+0x10/0x10
[  287.464562][   T30]  ? vscnprintf+0x5d/0x90
[  287.468959][   T30]  panic+0x349/0x860
[  287.472919][   T30]  ? nmi_trigger_cpumask_backtrace+0x244/0x320
[  287.479111][   T30]  ? __pfx_panic+0x10/0x10
[  287.483572][   T30]  ? nmi_backtrace_stall_check+0x431/0x440
[  287.489426][   T30]  ? irq_work_queue+0xd1/0x150
[  287.494230][   T30]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  287.500234][   T30]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  287.506332][   T30]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  287.512340][   T30]  ? nmi_trigger_cpumask_backtrace+0x251/0x320
[  287.518545][   T30]  watchdog+0x101d/0x1020
[  287.522909][   T30]  ? watchdog+0x1ea/0x1020
[  287.527369][   T30]  ? __pfx_watchdog+0x10/0x10
[  287.532067][   T30]  kthread+0x2f0/0x390
[  287.536163][   T30]  ? __pfx_watchdog+0x10/0x10
[  287.540857][   T30]  ? __pfx_kthread+0x10/0x10
[  287.545467][   T30]  ret_from_fork+0x4b/0x80
[  287.549910][   T30]  ? __pfx_kthread+0x10/0x10
[  287.554526][   T30]  ret_from_fork_asm+0x1a/0x30
[  287.559333][   T30]  </TASK>
[  287.562463][   T30] Kernel Offset: disabled
[  287.566800][   T30] Rebooting in 86400 seconds..