Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts. executing program [ 563.843919][ T1042] INFO: task syz-executor803:7624 blocked for more than 143 seconds. [ 563.852924][ T1042] Not tainted 5.1.0-rc3+ #50 [ 563.858186][ T1042] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 563.867021][ T1042] syz-executor803 D28216 7624 7622 0x80000000 [ 563.873398][ T1042] Call Trace: [ 563.876765][ T1042] __schedule+0x817/0x1cc0 [ 563.881207][ T1042] ? __sched_text_start+0x8/0x8 [ 563.886237][ T1042] ? __lock_acquire+0x242a/0x3fb0 [ 563.891524][ T1042] schedule+0x92/0x180 [ 563.895730][ T1042] schedule_timeout+0x8ca/0xfd0 [ 563.900568][ T1042] ? wait_for_completion+0x294/0x440 [ 563.905895][ T1042] ? find_held_lock+0x35/0x130 [ 563.910782][ T1042] ? usleep_range+0x170/0x170 [ 563.915582][ T1042] ? kasan_check_write+0x14/0x20 [ 563.920539][ T1042] ? _raw_spin_unlock_irq+0x28/0x90 [ 563.925877][ T1042] ? wait_for_completion+0x294/0x440 [ 563.931161][ T1042] ? _raw_spin_unlock_irq+0x28/0x90 [ 563.936567][ T1042] ? lockdep_hardirqs_on+0x418/0x5d0 [ 563.941993][ T1042] ? trace_hardirqs_on+0x67/0x230 [ 563.947297][ T1042] ? kasan_check_read+0x11/0x20 [ 563.952206][ T1042] wait_for_completion+0x29c/0x440 [ 563.957445][ T1042] ? lockdep_hardirqs_on+0x418/0x5d0 [ 563.962922][ T1042] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 563.969750][ T1042] ? wake_up_q+0xf0/0xf0 [ 563.974082][ T1042] ? percpu_ref_kill_and_confirm+0x1b7/0x3b0 [ 563.980340][ T1042] exit_aio+0x321/0x3a0 [ 563.984565][ T1042] ? aio_poll_wake+0x11e0/0x11e0 [ 563.989513][ T1042] ? mutex_unlock+0xd/0x10 [ 563.994191][ T1042] mmput+0xcf/0x4c0 [ 563.997998][ T1042] do_exit+0x816/0x2fa0 [ 564.002203][ T1042] ? lock_downgrade+0x880/0x880 [ 564.007285][ T1042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 564.013714][ T1042] ? kasan_check_read+0x11/0x20 [ 564.018592][ T1042] ? mm_update_next_owner+0x640/0x640 [ 564.024040][ T1042] ? __x64_sys_io_submit+0x37d/0x580 [ 564.029329][ T1042] ? __ia32_sys_io_destroy+0x420/0x420 [ 564.034862][ T1042] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 564.040428][ T1042] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 564.045940][ T1042] do_group_exit+0x135/0x370 [ 564.050686][ T1042] __x64_sys_exit_group+0x44/0x50 [ 564.055770][ T1042] do_syscall_64+0x103/0x610 [ 564.060472][ T1042] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 564.066525][ T1042] RIP: 0033:0x43eea8 [ 564.070435][ T1042] Code: Bad RIP value. [ 564.074547][ T1042] RSP: 002b:00007ffd462af088 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 564.083051][ T1042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eea8 [ 564.091253][ T1042] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 564.099394][ T1042] RBP: 00000000004be6a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 564.107635][ T1042] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 564.115851][ T1042] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 564.124031][ T1042] [ 564.124031][ T1042] Showing all locks held in the system: [ 564.131963][ T1042] 1 lock held by khungtaskd/1042: [ 564.137074][ T1042] #0: 00000000a3ffa0a4 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 564.146578][ T1042] 1 lock held by rsyslogd/7508: [ 564.151414][ T1042] #0: 0000000047e5a3d9 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 564.160095][ T1042] 2 locks held by getty/7598: [ 564.164966][ T1042] #0: 000000008a9d3970 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 564.173956][ T1042] #1: 000000007c80d325 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 564.183631][ T1042] 2 locks held by getty/7599: [ 564.188286][ T1042] #0: 00000000eb72b361 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 564.197415][ T1042] #1: 000000009e653fd0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 564.207481][ T1042] 2 locks held by getty/7600: [ 564.212141][ T1042] #0: 00000000161b261b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 564.221134][ T1042] #1: 00000000d98d3f66 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 564.230892][ T1042] 2 locks held by getty/7601: [ 564.235806][ T1042] #0: 00000000d88f6466 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 564.244801][ T1042] #1: 00000000e9a77945 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 564.254623][ T1042] 2 locks held by getty/7602: [ 564.259291][ T1042] #0: 00000000c3bb614a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 564.268433][ T1042] #1: 00000000e399b2f1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 564.278472][ T1042] 2 locks held by getty/7603: [ 564.283124][ T1042] #0: 000000001f8d6615 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 564.292124][ T1042] #1: 000000008ba3089e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 564.302113][ T1042] 2 locks held by getty/7604: [ 564.306826][ T1042] #0: 000000004924284c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 564.316455][ T1042] #1: 0000000047adabfc (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 564.328753][ T1042] [ 564.331413][ T1042] ============================================= [ 564.331413][ T1042] [ 564.349788][ T1042] NMI backtrace for cpu 1 [ 564.354330][ T1042] CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc3+ #50 [ 564.362177][ T1042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 564.372325][ T1042] Call Trace: [ 564.375639][ T1042] dump_stack+0x172/0x1f0 [ 564.379958][ T1042] nmi_cpu_backtrace.cold+0x63/0xa4 [ 564.385295][ T1042] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 564.391216][ T1042] nmi_trigger_cpumask_backtrace+0x1be/0x236 [ 564.397807][ T1042] arch_trigger_cpumask_backtrace+0x14/0x20 [ 564.403707][ T1042] watchdog+0x9b7/0xec0 [ 564.408469][ T1042] kthread+0x357/0x430 [ 564.412553][ T1042] ? reset_hung_task_detector+0x30/0x30 [ 564.418851][ T1042] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 564.425552][ T1042] ret_from_fork+0x3a/0x50 [ 564.430650][ T1042] Sending NMI from CPU 1 to CPUs 0: [ 564.436298][ C0] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x2/0x10 [ 564.437210][ T1042] Kernel panic - not syncing: hung_task: blocked tasks [ 564.453912][ T1042] CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc3+ #50 [ 564.461756][ T1042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 564.472130][ T1042] Call Trace: [ 564.475439][ T1042] dump_stack+0x172/0x1f0 [ 564.481023][ T1042] panic+0x2cb/0x65c [ 564.484961][ T1042] ? __warn_printk+0xf3/0xf3 [ 564.489568][ T1042] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 564.495300][ T1042] ? printk_safe_flush+0xf2/0x140 [ 564.500355][ T1042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 564.506590][ T1042] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 564.512238][ T1042] ? nmi_trigger_cpumask_backtrace+0x1a7/0x236 [ 564.518530][ T1042] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 564.526803][ T1042] watchdog+0x9c8/0xec0 [ 564.530987][ T1042] kthread+0x357/0x430 [ 564.535237][ T1042] ? reset_hung_task_detector+0x30/0x30 [ 564.540772][ T1042] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 564.547165][ T1042] ret_from_fork+0x3a/0x50 [ 564.553630][ T1042] Kernel Offset: disabled [ 564.557968][ T1042] Rebooting in 86400 seconds..