Warning: Permanently added '10.128.1.172' (ECDSA) to the list of known hosts.
[ 1001.344824] INFO: task syz-executor989:7959 blocked for more than 140 seconds.
[ 1001.352289]       Not tainted 4.14.301-syzkaller #0
[ 1001.358692] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1001.367107] syz-executor989 D28648  7959   7957 0x00000004
[ 1001.372729] Call Trace:
[ 1001.375961]  __schedule+0x88b/0x1de0
[ 1001.379679]  ? lock_acquire+0x170/0x3f0
[ 1001.383640]  ? io_schedule_timeout+0x140/0x140
[ 1001.389085]  ? _raw_spin_unlock+0x29/0x40
[ 1001.393227]  ? fuse_writepage_locked+0xe80/0xe80
[ 1001.398741]  schedule+0x8d/0x1b0
[ 1001.402096]  fuse_wait_on_page_writeback.isra.0+0xdc/0x120
[ 1001.408872]  ? fuse_do_ioctl+0x1570/0x1570
[ 1001.413094]  ? end_page_writeback+0xe3/0x1c0
[ 1001.418454]  ? wait_woken+0x230/0x230
[ 1001.422262]  fuse_launder_page+0xa2/0xd0
[ 1001.426913]  invalidate_inode_pages2_range+0x547/0xc00
[ 1001.432186]  ? clear_shadow_entry+0x160/0x160
[ 1001.437271]  ? fuse_range_is_writeback+0x1f0/0x1f0
[ 1001.442189]  ? fuse_file_alloc+0x1ca/0x260
[ 1001.446979]  ? _raw_spin_unlock+0x29/0x40
[ 1001.451113]  ? fuse_do_open+0x18e/0x460
[ 1001.455670]  fuse_finish_open+0x262/0x500
[ 1001.459894]  fuse_open_common+0x234/0x290
[ 1001.464025]  do_dentry_open+0x44b/0xec0
[ 1001.468795]  ? fuse_open_common+0x290/0x290
[ 1001.473103]  ? __inode_permission+0xcd/0x2f0
[ 1001.478087]  vfs_open+0x105/0x220
[ 1001.481529]  path_openat+0x628/0x2970
[ 1001.485887]  ? path_lookupat+0x780/0x780
[ 1001.489933]  ? trace_hardirqs_on+0x10/0x10
[ 1001.494144]  do_filp_open+0x179/0x3c0
[ 1001.498732]  ? may_open_dev+0xe0/0xe0
[ 1001.502522]  ? lock_downgrade+0x740/0x740
[ 1001.507298]  ? do_raw_spin_unlock+0x164/0x220
[ 1001.511786]  ? _raw_spin_unlock+0x29/0x40
[ 1001.516502]  ? __alloc_fd+0x1be/0x490
[ 1001.520292]  do_sys_open+0x296/0x410
[ 1001.523980]  ? filp_open+0x60/0x60
[ 1001.528303]  ? do_syscall_64+0x4c/0x640
[ 1001.532262]  ? compat_SyS_openat+0x30/0x30
[ 1001.537113]  do_syscall_64+0x1d5/0x640
[ 1001.541076]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 1001.546868] RIP: 0033:0x7f490b12e4b9
[ 1001.550562] RSP: 002b:00007f490b0df2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 1001.558845] RAX: ffffffffffffffda RBX: 00007f490b1bf4c0 RCX: 00007f490b12e4b9
[ 1001.566474] RDX: 00007f490b12e4b9 RSI: 0000000000000000 RDI: 00000000200001c0
[ 1001.573727] RBP: 00007f490b18c154 R08: 0000000000000000 R09: 0000000000000000
[ 1001.581629] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
[ 1001.589269] R13: 00007f490b188148 R14: 00007f490b18a150 R15: 00007f490b1bf4c8
[ 1001.597789] 
[ 1001.597789] Showing all locks held in the system:
[ 1001.604099] 1 lock held by khungtaskd/1533:
[ 1001.608534]  #0:  (tasklist_lock){.+.+}, at: [<ffffffff8702b144>] debug_show_all_locks+0x7c/0x21a
[ 1001.617659] 1 lock held by in:imklog/7733:
[ 1001.621871]  #0:  (&f->f_pos_lock){+.+.}, at: [<ffffffff818d8e3b>] __fdget_pos+0x1fb/0x2b0
[ 1001.632282] 2 locks held by syz-executor989/7959:
[ 1001.637184]  #0:  (sb_writers#10){.+.+}, at: [<ffffffff818e1eaa>] mnt_want_write+0x3a/0xb0
[ 1001.645707]  #1:  (&sb->s_type->i_mutex_key#17){+.+.}, at: [<ffffffff822f79e4>] fuse_open_common+0x1a4/0x290
[ 1001.655732] 
[ 1001.657345] =============================================
[ 1001.657345] 
[ 1001.664472] NMI backtrace for cpu 0
[ 1001.668228] CPU: 0 PID: 1533 Comm: khungtaskd Not tainted 4.14.301-syzkaller #0
[ 1001.675653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 1001.684980] Call Trace:
[ 1001.687547]  dump_stack+0x1b2/0x281
[ 1001.691148]  nmi_cpu_backtrace.cold+0x57/0x93
[ 1001.695621]  ? irq_force_complete_move+0x350/0x350
[ 1001.700525]  nmi_trigger_cpumask_backtrace+0x13a/0x180
[ 1001.705779]  watchdog+0x5b9/0xb40
[ 1001.709207]  ? hungtask_pm_notify+0x50/0x50
[ 1001.713505]  kthread+0x30d/0x420
[ 1001.716848]  ? kthread_create_on_node+0xd0/0xd0
[ 1001.721520]  ret_from_fork+0x24/0x30
[ 1001.725331] Sending NMI from CPU 0 to CPUs 1:
[ 1001.729963] NMI backtrace for cpu 1 skipped: idling at pc 0xffffffff8724b9ce
[ 1001.731418] Kernel panic - not syncing: hung_task: blocked tasks
[ 1001.743284] CPU: 0 PID: 1533 Comm: khungtaskd Not tainted 4.14.301-syzkaller #0
[ 1001.750742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 1001.760072] Call Trace:
[ 1001.762639]  dump_stack+0x1b2/0x281
[ 1001.766269]  panic+0x1f9/0x42d
[ 1001.769443]  ? add_taint.cold+0x16/0x16
[ 1001.773397]  watchdog+0x5ca/0xb40
[ 1001.776825]  ? hungtask_pm_notify+0x50/0x50
[ 1001.781121]  kthread+0x30d/0x420
[ 1001.784461]  ? kthread_create_on_node+0xd0/0xd0
[ 1001.789104]  ret_from_fork+0x24/0x30
[ 1001.792968] Kernel Offset: disabled
[ 1001.796580] Rebooting in 86400 seconds..