./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3153040719 <...> Warning: Permanently added '10.128.1.169' (ECDSA) to the list of known hosts. execve("./syz-executor3153040719", ["./syz-executor3153040719"], 0x7ffe97208730 /* 10 vars */) = 0 brk(NULL) = 0x555555afc000 brk(0x555555afcc40) = 0x555555afcc40 arch_prctl(ARCH_SET_FS, 0x555555afc300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555afc5d0) = 5078 set_robust_list(0x555555afc5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f2dd64ab5d0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f2dd64abca0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f2dd64ab670, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2dd64abca0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3153040719", 4096) = 28 brk(0x555555b1dc40) = 0x555555b1dc40 brk(0x555555b1e000) = 0x555555b1e000 mprotect(0x7f2dd656d000, 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, child_tidptr=0x555555afc5d0) = 5079 ./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x555555afc5e0, 24) = 0 [pid 5079] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setsid() = 1 [pid 5079] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5079] unshare(CLONE_NEWNS) = 0 [pid 5079] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5079] unshare(CLONE_NEWIPC) = 0 [pid 5079] unshare(CLONE_NEWCGROUP) = 0 [pid 5079] unshare(CLONE_NEWUTS) = 0 [pid 5079] unshare(CLONE_SYSVSEM) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "16777216", 8) = 8 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "536870912", 9) = 9 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1024", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "8192", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1024", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1024", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5079] close(3) = 0 [pid 5079] getpid() = 1 [pid 5079] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5081] futex(0x7f2dd65734c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f2dd65734cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 5082] futex(0x7f2dd65734cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f2dd65734c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] futex(0x7f2dd65734cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 5 [pid 5082] futex(0x7f2dd65734cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f2dd65734c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] futex(0x7f2dd65734cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] ioctl(5, NBD_SET_SOCK, 3) = 0 [pid 5082] futex(0x7f2dd65734cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f2dd65734c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] futex(0x7f2dd65734cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY|O_NOATIME) = 6 [pid 5082] futex(0x7f2dd65734cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5081] futex(0x7f2dd65734c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] futex(0x7f2dd65734cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] ioctl(6, NBD_DO_IT [pid 5081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] futex(0x7f2dd65734cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5081] futex(0x7f2dd65734dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2dd645a000 [pid 5081] mprotect(0x7f2dd645b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5081] clone(child_stack=0x7f2dd647a3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5084 attached , parent_tid=[4], tls=0x7f2dd647a700, child_tidptr=0x7f2dd647a9d0) = 4 [pid 5084] set_robust_list(0x7f2dd647a9e0, 24) = 0 [pid 5084] futex(0x7f2dd65734d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f2dd65734d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5084] ioctl(6, NBD_SET_SIZE_BLOCKS, 65536 [pid 5081] futex(0x7f2dd65734dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... ioctl resumed>) = 0 [pid 5084] futex(0x7f2dd65734dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... futex resumed>) = 0 [pid 5084] <... futex resumed>) = 1 syzkaller login: [ 41.185907][ T5084] nbd0: detected capacity change from 0 to 131072 [pid 5084] futex(0x7f2dd65734d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] close(3) = 0 [pid 5081] close(4) = 0 [pid 5081] close(5 [pid 5082] <... ioctl resumed>) = 0 [pid 5082] futex(0x7f2dd65734cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 41.323986][ T4395] block nbd0: Receive control failed (result -104) [pid 5082] futex(0x7f2dd65734c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] kill(-2, SIGKILL [pid 5084] <... futex resumed>) = ? [pid 5082] <... futex resumed>) = ? [pid 5079] <... kill resumed>) = 0 [pid 5084] +++ killed by SIGKILL +++ [pid 5082] +++ killed by SIGKILL +++ [pid 5079] kill(2, SIGKILL) = 0 [pid 5079] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5079] getdents64(3, 0x555555afd620 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(3, 0x555555afd620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [ 70.340088][ T7] cfg80211: failed to load regulatory.db [ 71.618692][ T985] block nbd0: Possible stuck request ffff88801e9b8000: control (read@0,4096B). Runtime 30 seconds [ 101.698007][ T985] block nbd0: Possible stuck request ffff88801e9b8000: control (read@0,4096B). Runtime 60 seconds [ 102.143083][ T4437] udevd[4437]: worker [5083] /devices/virtual/block/nbd0 is taking a long time [ 131.817853][ T985] block nbd0: Possible stuck request ffff88801e9b8000: control (read@0,4096B). Runtime 90 seconds [ 161.858039][ T985] block nbd0: Possible stuck request ffff88801e9b8000: control (read@0,4096B). Runtime 120 seconds [ 191.937922][ T985] block nbd0: Possible stuck request ffff88801e9b8000: control (read@0,4096B). Runtime 150 seconds [ 222.017979][ T985] block nbd0: Possible stuck request ffff88801e9b8000: control (read@0,4096B). Runtime 180 seconds [ 222.476383][ T4437] udevd[4437]: worker [5083] /devices/virtual/block/nbd0 timeout; kill it [ 222.485112][ T4437] udevd[4437]: seq 7513 '/devices/virtual/block/nbd0' killed [ 252.097954][ T985] block nbd0: Possible stuck request ffff88801e9b8000: control (read@0,4096B). Runtime 210 seconds [ 282.177892][ T985] block nbd0: Possible stuck request ffff88801e9b8000: control (read@0,4096B). Runtime 240 seconds [ 285.377876][ T28] INFO: task syz-executor315:5081 blocked for more than 143 seconds. [ 285.386068][ T28] Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 [ 285.393292][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.402096][ T28] task:syz-executor315 state:D stack:27424 pid:5081 ppid:5079 flags:0x00004006 [ 285.411359][ T28] Call Trace: [ 285.414633][ T28] [ 285.417626][ T28] __schedule+0xcce/0x5b20 [ 285.422102][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 285.428110][ T28] ? mark_lock.part.0+0xee/0x1970 [ 285.433127][ T28] ? io_schedule_timeout+0x150/0x150 [ 285.438550][ T28] ? __mutex_lock+0xa36/0x1350 [ 285.443326][ T28] schedule+0xde/0x1a0 [ 285.447379][ T28] schedule_preempt_disabled+0x13/0x20 [ 285.452861][ T28] __mutex_lock+0xa3b/0x1350 [ 285.457454][ T28] ? blkdev_put+0xc0/0x770 [ 285.461917][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 285.467469][ T28] ? locks_check_ctx_file_list+0x1d/0x320 [ 285.473221][ T28] ? do_raw_spin_unlock+0x175/0x230 [ 285.478454][ T28] ? _raw_spin_unlock+0x28/0x40 [ 285.483377][ T28] ? locks_remove_file+0x2fb/0x5b0 [ 285.488528][ T28] blkdev_put+0xc0/0x770 [ 285.492781][ T28] blkdev_close+0x68/0x80 [ 285.497094][ T28] __fput+0x27c/0xa90 [ 285.501202][ T28] ? blkdev_fsync+0xa0/0xa0 [ 285.505716][ T28] task_work_run+0x16f/0x270 [ 285.510336][ T28] ? task_work_cancel+0x30/0x30 [ 285.515202][ T28] ptrace_notify+0x118/0x140 [ 285.519854][ T28] syscall_exit_to_user_mode_prepare+0x129/0x290 [ 285.526201][ T28] syscall_exit_to_user_mode+0xd/0x50 [ 285.531640][ T28] do_syscall_64+0x46/0xb0 [ 285.536079][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 285.542029][ T28] RIP: 0033:0x7f2dd64aabbb [ 285.546451][ T28] RSP: 002b:00007ffe8408e710 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 285.554880][ T28] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f2dd64aabbb [ 285.563056][ T28] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 285.571093][ T28] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000064 [ 285.579096][ T28] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000009e09 [ 285.587046][ T28] R13: 00007f2dd65734dc R14: 00007ffe8408e770 R15: 00007f2dd65734c0 [ 285.595137][ T28] [ 285.598197][ T28] [ 285.598197][ T28] Showing all locks held in the system: [ 285.605897][ T28] 1 lock held by rcu_tasks_kthre/12: [ 285.611201][ T28] #0: ffffffff8c795f30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 285.621782][ T28] 1 lock held by rcu_tasks_trace/13: [ 285.627042][ T28] #0: ffffffff8c795c30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 285.638041][ T28] 1 lock held by khungtaskd/28: [ 285.642897][ T28] #0: ffffffff8c796a80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 [ 285.652803][ T28] 2 locks held by getty/4752: [ 285.657480][ T28] #0: ffff8880275fe098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [ 285.667321][ T28] #1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [ 285.677464][ T28] 1 lock held by syz-executor315/5081: [ 285.682962][ T28] #0: ffff88801e9494c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xc0/0x770 [ 285.692315][ T28] 1 lock held by udevd/5083: [ 285.696888][ T28] #0: ffff88801e9494c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xb90 [ 285.707449][ T28] [ 285.709790][ T28] ============================================= [ 285.709790][ T28] [ 285.718230][ T28] NMI backtrace for cpu 1 [ 285.722552][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 [ 285.731981][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 285.742097][ T28] Call Trace: [ 285.745353][ T28] [ 285.748262][ T28] dump_stack_lvl+0xd9/0x150 [ 285.752831][ T28] nmi_cpu_backtrace+0x316/0x3e0 [ 285.757748][ T28] nmi_trigger_cpumask_backtrace+0x333/0x440 [ 285.763702][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 285.768878][ T28] watchdog+0xe53/0x11b0 [ 285.773103][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 285.779087][ T28] kthread+0x2e8/0x3a0 [ 285.783153][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 285.788775][ T28] ret_from_fork+0x1f/0x30 [ 285.793195][ T28] [ 285.796282][ T28] Sending NMI from CPU 1 to CPUs 0: [ 285.801518][ C0] NMI backtrace for cpu 0 [ 285.801524][ C0] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 [ 285.801537][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 285.801544][ C0] Workqueue: events_unbound toggle_allocation_gate [ 285.801561][ C0] RIP: 0010:mark_held_locks+0x7c/0xe0 [ 285.801576][ C0] Code: 0a 00 00 85 c0 7e 57 48 63 c3 48 8d 04 80 49 8d 34 c6 48 8d 7e 22 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 42 0f b6 04 28 38 d0 <7f> 04 84 c0 75 4a 0f b6 46 22 89 c2 83 e2 03 80 fa 01 89 ea 83 da [ 285.801587][ C0] RSP: 0018:ffffc900001078f8 EFLAGS: 00000093 [ 285.801595][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff1ceda29 [ 285.801603][ C0] RDX: 0000000000000002 RSI: ffff88813fe544b8 RDI: ffff88813fe544da [ 285.801610][ C0] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000001 [ 285.801617][ C0] R10: fffffbfff1cee032 R11: 0000000000000000 R12: ffff88813fe53a80 [ 285.801624][ C0] R13: dffffc0000000000 R14: ffff88813fe544b8 R15: dffffc0000000000 [ 285.801634][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 285.801650][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 285.801658][ C0] CR2: 0000557877239c20 CR3: 000000000c572000 CR4: 0000000000350ef0 [ 285.801666][ C0] Call Trace: [ 285.801669][ C0] [ 285.801673][ C0] lockdep_hardirqs_on_prepare+0x139/0x410 [ 285.801687][ C0] trace_hardirqs_on+0x36/0x40 [ 285.801702][ C0] smp_call_function_many_cond+0xe2d/0x10a0 [ 285.801724][ C0] ? optimize_nops+0x3e0/0x3e0 [ 285.801739][ C0] ? smp_call_on_cpu+0x250/0x250 [ 285.801759][ C0] ? text_poke_memset+0x60/0x60 [ 285.801773][ C0] ? optimize_nops+0x3e0/0x3e0 [ 285.801787][ C0] on_each_cpu_cond_mask+0x5a/0xa0 [ 285.801807][ C0] text_poke_bp_batch+0x237/0x770 [ 285.801821][ C0] ? __kmem_cache_alloc_node+0xc3/0x330 [ 285.801839][ C0] ? arch_jump_label_transform_apply+0x12/0x30 [ 285.801853][ C0] ? do_sync_core+0x30/0x30 [ 285.801868][ C0] ? arch_jump_label_transform_queue+0xa4/0x100 [ 285.801881][ C0] ? __jump_label_update+0x296/0x410 [ 285.801897][ C0] text_poke_finish+0x1a/0x30 [ 285.801911][ C0] arch_jump_label_transform_apply+0x17/0x30 [ 285.801924][ C0] jump_label_update+0x32f/0x410 [ 285.801939][ C0] static_key_disable_cpuslocked+0x156/0x1b0 [ 285.801955][ C0] static_key_disable+0x1a/0x20 [ 285.801970][ C0] toggle_allocation_gate+0x143/0x230 [ 285.801985][ C0] ? wake_up_kfence_timer+0x30/0x30 [ 285.802002][ C0] process_one_work+0x9bf/0x1820 [ 285.802019][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 285.802035][ C0] ? spin_bug+0x1c0/0x1c0 [ 285.802049][ C0] worker_thread+0x669/0x1090 [ 285.802066][ C0] ? process_one_work+0x1820/0x1820 [ 285.802081][ C0] kthread+0x2e8/0x3a0 [ 285.802092][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 285.802106][ C0] ret_from_fork+0x1f/0x30 [ 285.802125][ C0] [ 285.802522][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 286.092217][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 [ 286.101764][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 286.111814][ T28] Call Trace: [ 286.115091][ T28] [ 286.118024][ T28] dump_stack_lvl+0xd9/0x150 [ 286.122621][ T28] panic+0x61b/0x6c0 [ 286.126511][ T28] ? panic_smp_self_stop+0x90/0x90 [ 286.131625][ T28] ? preempt_schedule_thunk+0x1a/0x20 [ 286.137090][ T28] ? watchdog+0xc04/0x11b0 [ 286.141504][ T28] watchdog+0xc15/0x11b0 [ 286.145739][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.151716][ T28] kthread+0x2e8/0x3a0 [ 286.155778][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 286.161491][ T28] ret_from_fork+0x1f/0x30 [ 286.165915][ T28] [ 286.169844][ T28] Kernel Offset: disabled [ 286.174164][ T28] Rebooting in 86400 seconds..