./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor580358486

<...>
Warning: Permanently added '10.128.0.218' (ED25519) to the list of known hosts.
execve("./syz-executor580358486", ["./syz-executor580358486"], 0x7ffdc01c37f0 /* 10 vars */) = 0
brk(NULL)                               = 0x555556a9a000
brk(0x555556a9ad00)                     = 0x555556a9ad00
arch_prctl(ARCH_SET_FS, 0x555556a9a380) = 0
set_tid_address(0x555556a9a650)         = 5039
set_robust_list(0x555556a9a660, 24)     = 0
rseq(0x555556a9aca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor580358486", 4096) = 27
getrandom("\x00\xfe\x6d\x49\xcb\x98\x6e\x3a", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556a9ad00
brk(0x555556abbd00)                     = 0x555556abbd00
brk(0x555556abc000)                     = 0x555556abc000
mprotect(0x7f40acb96000, 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 5040 attached
 <unfinished ...>
[pid  5040] set_robust_list(0x555556a9a660, 24) = 0
[pid  5040] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL <unfinished ...>
[pid  5039] <... clone resumed>, child_tidptr=0x555556a9a650) = 5040
[pid  5040] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  5040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5040] setsid()                    = 1
[pid  5040] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5040] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5040] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5040] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5040] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5040] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5040] unshare(CLONE_NEWNS)        = 0
[pid  5040] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5040] unshare(CLONE_NEWIPC)       = 0
[pid  5040] unshare(CLONE_NEWCGROUP)    = 0
[pid  5040] unshare(CLONE_NEWUTS)       = 0
[pid  5040] unshare(CLONE_SYSVSEM)      = 0
[pid  5040] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "16777216", 8)     = 8
[pid  5040] close(3)                    = 0
[pid  5040] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "536870912", 9)    = 9
[pid  5040] close(3)                    = 0
[pid  5040] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "1024", 4)         = 4
[pid  5040] close(3)                    = 0
[pid  5040] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "8192", 4)         = 4
[pid  5040] close(3)                    = 0
[pid  5040] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "1024", 4)         = 4
[pid  5040] close(3)                    = 0
[pid  5040] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "1024", 4)         = 4
[pid  5040] close(3)                    = 0
[pid  5040] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5040] close(3)                    = 0
[pid  5040] getpid()                    = 1
[pid  5040] 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  5040] 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  5040] unshare(CLONE_NEWNET)       = 0
[pid  5040] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5040] write(3, "0 65535", 7)      = 7
[pid  5040] close(3)                    = 0
[pid  5040] mkdir("/dev/binderfs", 0777) = 0
[pid  5040] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5040] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5040] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5043 attached
 <unfinished ...>
[pid  5043] set_robust_list(0x555556a9a660, 24) = 0
[pid  5043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5043] setpgid(0, 0 <unfinished ...>
[pid  5040] <... clone resumed>, child_tidptr=0x555556a9a650) = 2
[pid  5043] <... setpgid resumed>)      = 0
[pid  5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5043] write(3, "1000", 4)         = 4
[pid  5043] close(3)                    = 0
[pid  5043] openat(AT_FDCWD, "/dev/bus/usb/009/001", O_WRONLY|O_TRUNC|O_NONBLOCK|O_NOFOLLOW) = 3
[pid  5043] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0
[pid  5043] openat(AT_FDCWD, "/sys/devices/platform/vhci_hcd.0/attach", O_WRONLY|O_CLOEXEC) = 6
[pid  5043] write(6, "0 4 0 3", 7)      = 7
[pid  5043] close(6)                    = 0
[   55.439232][ T5043] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4)
[   55.445836][ T5043] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
[   55.454334][ T5043] vhci_hcd vhci_hcd.0: Device attached
[   55.808692][  T774] usb 9-1: new high-speed USB device number 2 using vhci_hcd
[pid  5043] close(3 <unfinished ...>
[pid  5040] kill(-2, SIGKILL)           = 0
[pid  5040] kill(2, SIGKILL)            = 0
[pid  5040] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5040] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5040] getdents64(3, 0x555556a9b6f0 /* 2 entries */, 32768) = 48
[pid  5040] getdents64(3, 0x555556a9b6f0 /* 0 entries */, 32768) = 0
[pid  5040] close(3)                    = 0
[   76.080252][   T27] cfg80211: failed to load regulatory.db
[  285.998550][   T29] INFO: task kworker/0:2:774 blocked for more than 143 seconds.
[  286.006314][   T29]       Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
[  286.013917][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.022626][   T29] task:kworker/0:2     state:D stack:26080 pid:774   ppid:2      flags:0x00004000
[  286.031896][   T29] Workqueue: usb_hub_wq hub_event
[  286.036960][   T29] Call Trace:
[  286.040272][   T29]  <TASK>
[  286.043233][   T29]  __schedule+0xee1/0x5a10
[  286.047647][   T29]  ? io_schedule_timeout+0x150/0x150
[  286.053021][   T29]  ? reacquire_held_locks+0x4b0/0x4b0
[  286.058470][   T29]  ? _raw_spin_unlock_irq+0x23/0x50
[  286.063660][   T29]  ? lockdep_hardirqs_on+0x7d/0x100
[  286.068967][   T29]  schedule+0xe7/0x1b0
[  286.073075][   T29]  usb_kill_urb.part.0+0x1c6/0x250
[  286.078186][   T29]  ? usb_anchor_suspend_wakeups+0x40/0x40
[  286.083940][   T29]  ? cpuacct_percpu_seq_show+0x10/0x10
[  286.089467][   T29]  ? preempt_count_sub+0x150/0x150
[  286.094665][   T29]  usb_kill_urb+0x83/0xa0
[  286.099027][   T29]  usb_start_wait_urb+0x251/0x4c0
[  286.104076][   T29]  ? usb_api_blocking_completion+0xa0/0xa0
[  286.110017][   T29]  ? rcu_is_watching+0x12/0xb0
[  286.114814][   T29]  usb_control_msg+0x327/0x4a0
[  286.119632][   T29]  ? usb_start_wait_urb+0x4c0/0x4c0
[  286.124871][   T29]  ? hub_resume+0x3e0/0x3e0
[  286.129415][   T29]  get_bMaxPacketSize0.constprop.0+0xa5/0x1c0
[  286.135504][   T29]  hub_port_init+0x680/0x3850
[  286.140243][   T29]  hub_event+0x2b64/0x4e00
[  286.144686][   T29]  ? hub_port_debounce+0x3d0/0x3d0
[  286.149931][   T29]  ? mark_lock+0x391/0x1950
[  286.154457][   T29]  ? lock_sync+0x190/0x190
[  286.158933][   T29]  ? reacquire_held_locks+0x4b0/0x4b0
[  286.164335][   T29]  process_one_work+0x884/0x15c0
[  286.169324][   T29]  ? lock_sync+0x190/0x190
[  286.173758][   T29]  ? init_worker_pool+0x770/0x770
[  286.178831][   T29]  ? assign_work+0x1a0/0x240
[  286.183442][   T29]  worker_thread+0x8b9/0x1290
[  286.188115][   T29]  ? __kthread_parkme+0x14b/0x220
[  286.193169][   T29]  ? process_one_work+0x15c0/0x15c0
[  286.198481][   T29]  kthread+0x33c/0x440
[  286.202537][   T29]  ? _raw_spin_unlock_irq+0x23/0x50
[  286.207723][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  286.213386][   T29]  ret_from_fork+0x45/0x80
[  286.217923][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  286.223697][   T29]  ret_from_fork_asm+0x11/0x20
[  286.228557][   T29]  </TASK>
[  286.231744][   T29] INFO: task syz-executor580:5043 blocked for more than 143 seconds.
[  286.239906][   T29]       Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
[  286.247452][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.256414][   T29] task:syz-executor580 state:D stack:25232 pid:5043  ppid:5040   flags:0x00004006
[  286.265669][   T29] Call Trace:
[  286.269705][   T29]  <TASK>
[  286.272636][   T29]  __schedule+0xee1/0x5a10
[  286.277042][   T29]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[  286.283077][   T29]  ? lockdep_hardirqs_on_prepare+0x410/0x410
[  286.289218][   T29]  ? print_usage_bug.part.0+0x670/0x670
[  286.294810][   T29]  ? io_schedule_timeout+0x150/0x150
[  286.300183][   T29]  ? __mutex_lock+0x964/0x1340
[  286.304970][   T29]  schedule+0xe7/0x1b0
[  286.309088][   T29]  schedule_preempt_disabled+0x13/0x20
[  286.314566][   T29]  __mutex_lock+0x969/0x1340
[  286.319200][   T29]  ? usbdev_release+0x87/0x4b0
[  286.324106][   T29]  ? mutex_lock_io_nested+0x11a0/0x11a0
[  286.329734][   T29]  ? __fsnotify_parent+0x4fc/0xa10
[  286.334874][   T29]  ? __fsnotify_update_child_dentry_flags+0x360/0x360
[  286.341694][   T29]  ? locks_remove_file+0x399/0x5a0
[  286.346825][   T29]  ? free_async+0x520/0x520
[  286.351383][   T29]  ? usbdev_release+0x87/0x4b0
[  286.356163][   T29]  usbdev_release+0x87/0x4b0
[  286.360820][   T29]  ? free_async+0x520/0x520
[  286.365353][   T29]  __fput+0x3f7/0xa70
[  286.369389][   T29]  __fput_sync+0x47/0x50
[  286.373653][   T29]  __x64_sys_close+0x87/0xf0
[  286.378233][   T29]  do_syscall_64+0x38/0xb0
[  286.382715][   T29]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  286.388653][   T29] RIP: 0033:0x7f40acb220e0
[  286.393056][   T29] RSP: 002b:00007ffc2fc08e48 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[  286.401570][   T29] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f40acb220e0
[  286.409601][   T29] RDX: 0000000000000007 RSI: 00007ffc2fc08980 RDI: 0000000000000003
[  286.417578][   T29] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  286.425589][   T29] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240
[  286.433599][   T29] R13: 00007ffc2fc090f8 R14: 0000000000000001 R15: 00007ffc2fc08e90
[  286.441628][   T29]  </TASK>
[  286.444645][   T29] 
[  286.444645][   T29] Showing all locks held in the system:
[  286.452474][   T29] 1 lock held by khungtaskd/29:
[  286.457346][   T29]  #0: ffffffff8cbab2a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340
[  286.467241][   T29] 5 locks held by kworker/0:2/774:
[  286.472370][   T29]  #0: ffff888014abf138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0
[  286.483100][   T29]  #1: ffffc90003aefd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0
[  286.494381][   T29]  #2: ffff88802087d190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4e00
[  286.503452][   T29]  #3: ffff8881423e1508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2801/0x4e00
[  286.513423][   T29]  #4: ffff88801871f768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x282a/0x4e00
[  286.523134][   T29] 2 locks held by getty/4796:
[  286.527823][   T29]  #0: ffff88802aa7a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[  286.537597][   T29]  #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480
[  286.547849][   T29] 1 lock held by syz-executor580/5043:
[  286.553327][   T29]  #0: ffff88802087d190 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x87/0x4b0
[  286.562558][   T29] 
[  286.564876][   T29] =============================================
[  286.564876][   T29] 
[  286.573305][   T29] NMI backtrace for cpu 1
[  286.577629][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
[  286.587419][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  286.597488][   T29] Call Trace:
[  286.600780][   T29]  <TASK>
[  286.603697][   T29]  dump_stack_lvl+0xd9/0x1b0
[  286.608309][   T29]  nmi_cpu_backtrace+0x277/0x380
[  286.613270][   T29]  ? lapic_can_unplug_cpu+0xa0/0xa0
[  286.618482][   T29]  nmi_trigger_cpumask_backtrace+0x299/0x300
[  286.624464][   T29]  watchdog+0xf87/0x1210
[  286.628710][   T29]  ? proc_dohung_task_timeout_secs+0x90/0x90
[  286.634764][   T29]  ? lockdep_hardirqs_on+0x7d/0x100
[  286.640050][   T29]  ? __kthread_parkme+0x14b/0x220
[  286.645066][   T29]  ? proc_dohung_task_timeout_secs+0x90/0x90
[  286.651035][   T29]  kthread+0x33c/0x440
[  286.655094][   T29]  ? _raw_spin_unlock_irq+0x23/0x50
[  286.660280][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  286.665906][   T29]  ret_from_fork+0x45/0x80
[  286.670325][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  286.675962][   T29]  ret_from_fork_asm+0x11/0x20
[  286.680890][   T29]  </TASK>
[  286.683989][   T29] Sending NMI from CPU 1 to CPUs 0:
[  286.689270][    C0] NMI backtrace for cpu 0
[  286.689279][    C0] CPU: 0 PID: 17 Comm: rcu_preempt Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
[  286.689293][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  286.689300][    C0] RIP: 0010:rcu_poll_gp_seq_start+0x6/0xd0
[  286.689318][    C0] Code: 4c 24 14 e8 1c e6 6c 00 8b 4c 24 14 e9 44 ff ff ff 4c 89 f7 e8 0b e6 6c 00 e9 8a fd ff ff 66 0f 1f 44 00 00 8b 15 0e 96 5d 0d <55> 53 48 89 fb 85 d2 74 34 48 c7 c0 d8 62 ce 8e 48 ba 00 00 00 00
[  286.689330][    C0] RSP: 0018:ffffc90000167d48 EFLAGS: 00000046
[  286.689340][    C0] RAX: 0000000000000001 RBX: 0000000100000ec7 RCX: 1ffffffff1d9c5c9
[  286.689348][    C0] RDX: 0000000000000002 RSI: 0000000000000004 RDI: ffffffff8cbb69c8
[  286.689355][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: fffff5200002cf9c
[  286.689362][    C0] R10: 0000000000000003 R11: 0000000000000000 R12: ffffed1002d4f000
[  286.689368][    C0] R13: ffffffff8c80f200 R14: ffffffff8ece62d8 R15: ffff888016a78000
[  286.689379][    C0] FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[  286.689390][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  286.689398][    C0] CR2: 00005633c5fa1680 CR3: 000000000c976000 CR4: 0000000000350ef0
[  286.689406][    C0] Call Trace:
[  286.689410][    C0]  <NMI>
[  286.689414][    C0]  ? show_regs+0x8f/0xa0
[  286.689428][    C0]  ? nmi_cpu_backtrace+0x1d4/0x380
[  286.689442][    C0]  ? nmi_cpu_backtrace_handler+0xc/0x10
[  286.689459][    C0]  ? nmi_handle+0x1a6/0x570
[  286.689472][    C0]  ? rcu_poll_gp_seq_start+0x6/0xd0
[  286.689485][    C0]  ? default_do_nmi+0x69/0x160
[  286.689501][    C0]  ? exc_nmi+0x171/0x1e0
[  286.689515][    C0]  ? end_repeat_nmi+0x16/0x31
[  286.689533][    C0]  ? rcu_poll_gp_seq_start+0x6/0xd0
[  286.689546][    C0]  ? rcu_poll_gp_seq_start+0x6/0xd0
[  286.689559][    C0]  ? rcu_poll_gp_seq_start+0x6/0xd0
[  286.689572][    C0]  </NMI>
[  286.689575][    C0]  <TASK>
[  286.689578][    C0]  rcu_gp_init+0x1a3/0x14e0
[  286.689593][    C0]  ? rcu_gp_kthread+0x2b7/0x380
[  286.689606][    C0]  ? reacquire_held_locks+0x4b0/0x4b0
[  286.689624][    C0]  ? strict_work_handler+0x1d0/0x1d0
[  286.689638][    C0]  ? _raw_spin_unlock_irqrestore+0x4e/0x70
[  286.689652][    C0]  rcu_gp_kthread+0xb8/0x380
[  286.689666][    C0]  ? rcu_gp_init+0x14e0/0x14e0
[  286.689680][    C0]  ? lockdep_hardirqs_on+0x7d/0x100
[  286.689696][    C0]  ? __kthread_parkme+0x14b/0x220
[  286.689709][    C0]  ? rcu_gp_init+0x14e0/0x14e0
[  286.689722][    C0]  kthread+0x33c/0x440
[  286.689734][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  286.689745][    C0]  ? kthread_complete_and_exit+0x40/0x40
[  286.689758][    C0]  ret_from_fork+0x45/0x80
[  286.689778][    C0]  ? kthread_complete_and_exit+0x40/0x40
[  286.689792][    C0]  ret_from_fork_asm+0x11/0x20
[  286.689812][    C0]  </TASK>
[  286.690286][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  286.964404][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
[  286.974291][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[  286.984341][   T29] Call Trace:
[  286.987613][   T29]  <TASK>
[  286.990539][   T29]  dump_stack_lvl+0xd9/0x1b0
[  286.995133][   T29]  panic+0x6a6/0x750
[  286.999034][   T29]  ? panic_smp_self_stop+0xa0/0xa0
[  287.004145][   T29]  ? lapic_can_unplug_cpu+0xa0/0xa0
[  287.009409][   T29]  ? preempt_schedule_thunk+0x1a/0x30
[  287.014780][   T29]  ? watchdog+0xd3e/0x1210
[  287.019191][   T29]  watchdog+0xd4f/0x1210
[  287.023437][   T29]  ? proc_dohung_task_timeout_secs+0x90/0x90
[  287.029407][   T29]  ? lockdep_hardirqs_on+0x7d/0x100
[  287.034602][   T29]  ? __kthread_parkme+0x14b/0x220
[  287.039651][   T29]  ? proc_dohung_task_timeout_secs+0x90/0x90
[  287.045619][   T29]  kthread+0x33c/0x440
[  287.049853][   T29]  ? _raw_spin_unlock_irq+0x23/0x50
[  287.055161][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  287.060805][   T29]  ret_from_fork+0x45/0x80
[  287.065329][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  287.070985][   T29]  ret_from_fork_asm+0x11/0x20
[  287.075752][   T29]  </TASK>
[  287.079445][   T29] Kernel Offset: disabled
[  287.083846][   T29] Rebooting in 86400 seconds..