Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts. executing program [ 332.267461][ T26] audit: type=1400 audit(1554589721.950:36): avc: denied { map } for pid=8067 comm="syz-executor984" path="/root/syz-executor984017806" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 489.716708][ T1042] INFO: task syz-executor984:8067 blocked for more than 143 seconds. [ 489.725325][ T1042] Not tainted 5.1.0-rc3+ #55 [ 489.730571][ T1042] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 489.739330][ T1042] syz-executor984 D27832 8067 8065 0x80000000 [ 489.745758][ T1042] Call Trace: [ 489.749232][ T1042] __schedule+0x817/0x1cc0 [ 489.753688][ T1042] ? __sched_text_start+0x8/0x8 [ 489.758785][ T1042] ? __lock_acquire+0x242a/0x3fb0 [ 489.763848][ T1042] schedule+0x92/0x180 [ 489.768047][ T1042] schedule_timeout+0x8ca/0xfd0 [ 489.772911][ T1042] ? wait_for_completion+0x294/0x440 [ 489.778335][ T1042] ? find_held_lock+0x35/0x130 [ 489.783127][ T1042] ? usleep_range+0x170/0x170 [ 489.787968][ T1042] ? kasan_check_write+0x14/0x20 [ 489.792958][ T1042] ? _raw_spin_unlock_irq+0x28/0x90 [ 489.798273][ T1042] ? wait_for_completion+0x294/0x440 [ 489.803661][ T1042] ? _raw_spin_unlock_irq+0x28/0x90 [ 489.808985][ T1042] ? lockdep_hardirqs_on+0x418/0x5d0 [ 489.814332][ T1042] ? trace_hardirqs_on+0x67/0x230 [ 489.819458][ T1042] ? kasan_check_read+0x11/0x20 [ 489.824314][ T1042] wait_for_completion+0x29c/0x440 [ 489.829497][ T1042] ? lockdep_hardirqs_on+0x418/0x5d0 [ 489.834779][ T1042] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 489.841477][ T1042] ? wake_up_q+0xf0/0xf0 [ 489.845766][ T1042] ? percpu_ref_kill_and_confirm+0x1b7/0x3b0 [ 489.852018][ T1042] exit_aio+0x321/0x3a0 [ 489.856207][ T1042] ? aio_poll_wake+0x11e0/0x11e0 [ 489.861278][ T1042] ? mutex_unlock+0xd/0x10 [ 489.865764][ T1042] mmput+0xcf/0x4c0 [ 489.869669][ T1042] do_exit+0x816/0x2fa0 [ 489.873838][ T1042] ? lock_downgrade+0x880/0x880 [ 489.878845][ T1042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 489.885248][ T1042] ? kasan_check_read+0x11/0x20 [ 489.890192][ T1042] ? mm_update_next_owner+0x640/0x640 [ 489.895644][ T1042] ? __x64_sys_io_submit+0x37d/0x580 [ 489.901265][ T1042] ? __ia32_sys_io_destroy+0x420/0x420 [ 489.906843][ T1042] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 489.912394][ T1042] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 489.917989][ T1042] do_group_exit+0x135/0x370 [ 489.922596][ T1042] __x64_sys_exit_group+0x44/0x50 [ 489.927741][ T1042] do_syscall_64+0x103/0x610 [ 489.932545][ T1042] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 489.938565][ T1042] RIP: 0033:0x43ee98 [ 489.942469][ T1042] Code: Bad RIP value. [ 489.946600][ T1042] RSP: 002b:00007ffe63e9c638 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 489.955125][ T1042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ee98 [ 489.963410][ T1042] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 489.971450][ T1042] RBP: 00000000004be6a8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 489.979599][ T1042] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 489.987699][ T1042] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 489.995716][ T1042] [ 489.995716][ T1042] Showing all locks held in the system: [ 490.003953][ T1042] 1 lock held by khungtaskd/1042: [ 490.009148][ T1042] #0: 00000000e03f8a2a (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 490.018642][ T1042] 1 lock held by rsyslogd/7897: [ 490.023551][ T1042] #0: 0000000028ebeeef (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 490.032348][ T1042] 2 locks held by getty/8041: [ 490.037075][ T1042] #0: 00000000ca79af5f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 490.048232][ T1042] #1: 00000000c512e67f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 490.057945][ T1042] 2 locks held by getty/8042: [ 490.063219][ T1042] #0: 000000006dd1f2fb (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 490.072288][ T1042] #1: 000000003847c2d7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 490.082022][ T1042] 2 locks held by getty/8043: [ 490.086758][ T1042] #0: 00000000a4491121 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 490.095719][ T1042] #1: 000000007e13a66c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 490.105683][ T1042] 2 locks held by getty/8044: [ 490.110448][ T1042] #0: 0000000027950056 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 490.119521][ T1042] #1: 0000000067c520f0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 490.129218][ T1042] 2 locks held by getty/8045: [ 490.133961][ T1042] #0: 000000008ad30b9c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 490.143065][ T1042] #1: 0000000065e6f0e9 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 490.152829][ T1042] 2 locks held by getty/8046: [ 490.157578][ T1042] #0: 00000000d99b2132 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 490.166671][ T1042] #1: 00000000236b979a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 490.176239][ T1042] 2 locks held by getty/8047: [ 490.181017][ T1042] #0: 00000000c21ea1ef (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 490.190370][ T1042] #1: 00000000730dac61 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 490.200032][ T1042] [ 490.202351][ T1042] ============================================= [ 490.202351][ T1042] [ 490.210823][ T1042] NMI backtrace for cpu 1 [ 490.215148][ T1042] CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc3+ #55 [ 490.222799][ T1042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 490.232843][ T1042] Call Trace: [ 490.236214][ T1042] dump_stack+0x172/0x1f0 [ 490.240612][ T1042] nmi_cpu_backtrace.cold+0x63/0xa4 [ 490.245860][ T1042] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 490.251481][ T1042] nmi_trigger_cpumask_backtrace+0x1be/0x236 [ 490.257450][ T1042] arch_trigger_cpumask_backtrace+0x14/0x20 [ 490.263441][ T1042] watchdog+0x9b7/0xec0 [ 490.267720][ T1042] kthread+0x357/0x430 [ 490.271798][ T1042] ? reset_hung_task_detector+0x30/0x30 [ 490.277331][ T1042] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 490.283577][ T1042] ret_from_fork+0x3a/0x50 [ 490.288180][ T1042] Sending NMI from CPU 1 to CPUs 0: [ 490.293470][ C0] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x2/0x10 [ 490.294402][ T1042] Kernel panic - not syncing: hung_task: blocked tasks [ 490.308553][ T1042] CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc3+ #55 [ 490.316092][ T1042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 490.326201][ T1042] Call Trace: [ 490.329496][ T1042] dump_stack+0x172/0x1f0 [ 490.333920][ T1042] panic+0x2cb/0x65c [ 490.337821][ T1042] ? __warn_printk+0xf3/0xf3 [ 490.342405][ T1042] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 490.348177][ T1042] ? printk_safe_flush+0xf2/0x140 [ 490.353435][ T1042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 490.359671][ T1042] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 490.365292][ T1042] ? nmi_trigger_cpumask_backtrace+0x1a7/0x236 [ 490.371504][ T1042] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 490.377664][ T1042] watchdog+0x9c8/0xec0 [ 490.381818][ T1042] kthread+0x357/0x430 [ 490.386021][ T1042] ? reset_hung_task_detector+0x30/0x30 [ 490.391744][ T1042] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 490.398105][ T1042] ret_from_fork+0x3a/0x50 [ 490.403994][ T1042] Kernel Offset: disabled [ 490.408378][ T1042] Rebooting in 86400 seconds..