Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts. executing program executing program executing program [ 642.878898] audit: type=1400 audit(1576477554.103:37): avc: denied { map } for pid=8090 comm="syz-executor922" path="/root/syz-executor922053326" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 876.301360] INFO: task login:8494 blocked for more than 140 seconds. [ 876.308157] Not tainted 4.19.89-syzkaller #0 [ 876.313837] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 876.322277] login D26864 8494 1 0x80000002 [ 876.327931] Call Trace: [ 876.330624] __schedule+0x866/0x1dc0 [ 876.340889] ? firmware_map_remove+0x1a7/0x1a7 [ 876.345976] ? mark_held_locks+0x100/0x100 [ 876.350243] ? mark_held_locks+0x100/0x100 [ 876.355558] schedule+0x92/0x1c0 [ 876.358942] schedule_timeout+0x8c8/0xfc0 [ 876.363849] ? __ldsem_down_write_nested+0x3ab/0x8f0 [ 876.369132] ? find_held_lock+0x35/0x130 [ 876.373658] ? usleep_range+0x170/0x170 [ 876.377791] ? mark_held_locks+0xb1/0x100 [ 876.383299] ? _raw_spin_unlock_irq+0x28/0x90 [ 876.387833] ? __ldsem_down_write_nested+0x3ab/0x8f0 [ 876.393427] ? _raw_spin_unlock_irq+0x28/0x90 [ 876.397949] ? lockdep_hardirqs_on+0x415/0x5d0 [ 876.403098] ? trace_hardirqs_on+0x67/0x220 [ 876.407470] __ldsem_down_write_nested+0x3b3/0x8f0 [ 876.413309] ? __ldsem_down_read_nested+0x720/0x720 [ 876.418365] ? __lock_is_held+0xb6/0x140 [ 876.422902] ldsem_down_write+0x33/0x40 [ 876.428110] ? ldsem_down_write+0x33/0x40 [ 876.432828] tty_ldisc_lock+0x50/0x90 [ 876.436652] tty_ldisc_hangup+0x1b9/0x630 [ 876.441003] __tty_hangup.part.0+0x306/0x720 [ 876.446019] ? tty_read+0x2a0/0x2a0 [ 876.449716] tty_vhangup_session+0x25/0x30 [ 876.454511] disassociate_ctty.part.0+0xb4/0x6f0 [ 876.459325] disassociate_ctty+0x81/0xa0 [ 876.464139] do_exit+0x17bb/0x3080 [ 876.467800] ? vfs_write+0x91/0x560 [ 876.471924] ? mm_update_next_owner+0x660/0x660 [ 876.476685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 876.482625] ? ksys_write+0x1f1/0x2d0 [ 876.486514] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 876.491835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 876.496745] do_group_exit+0x135/0x370 [ 876.500650] __x64_sys_exit_group+0x44/0x50 [ 876.505497] do_syscall_64+0xfd/0x620 [ 876.509327] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 876.515669] RIP: 0033:0x7f7e773b81e8 [ 876.519406] Code: Bad RIP value. [ 876.523096] RSP: 002b:00007ffd94157a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 876.530814] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e773b81e8 [ 876.538435] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 876.546008] RBP: 00007f7e7768d840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 876.553606] R10: 00007f7e77693740 R11: 0000000000000246 R12: 00007f7e7768d840 [ 876.560884] R13: 0000000000000001 R14: 0000000000000001 R15: 000000000060b798 [ 876.568642] [ 876.568642] Showing all locks held in the system: [ 876.575288] 1 lock held by khungtaskd/1068: [ 876.579612] #0: 00000000f3904d64 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 876.588674] 1 lock held by rsyslogd/7607: [ 876.593116] #0: 00000000eb8b3d80 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 876.601439] 2 locks held by getty/7729: [ 876.605412] #0: 00000000b5a25525 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 876.613964] #1: 00000000c1a34b7c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 876.623465] 2 locks held by getty/7730: [ 876.627442] #0: 0000000049eef447 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 876.636019] #1: 000000007e3c8ad3 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 876.646097] 2 locks held by getty/7731: [ 876.650081] #0: 00000000c30d3256 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 876.658732] #1: 0000000048ce2b7e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 876.667956] 2 locks held by getty/7732: [ 876.672207] #0: 000000009af7d17b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 876.680551] #1: 000000003a72cfb5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 876.689860] 2 locks held by getty/7733: [ 876.694129] #0: 00000000ced2043f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 876.702716] #1: 00000000da58461a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 876.712151] 2 locks held by getty/7734: [ 876.716141] #0: 000000006b052a28 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 876.724924] #1: 000000003f8211d5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 876.734290] 2 locks held by login/8494: [ 876.738271] #0: 000000002910e040 (&tty->legacy_mutex){+.+.}, at: tty_lock+0x73/0xb0 [ 876.746702] #1: 00000000187de1fd (&tty->ldisc_sem){++++}, at: ldsem_down_write+0x33/0x40 [ 876.755633] 3 locks held by syz-executor922/8558: [ 876.760489] #0: 00000000187de1fd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 876.769206] #1: 00000000974b9730 (&buf->lock){+.+.}, at: tty_buffer_lock_exclusive+0x30/0x40 [ 876.779288] #2: 0000000019361f4a (&rq->lock){-.-.}, at: __schedule+0x1f8/0x1dc0 [ 876.787334] [ 876.789120] ============================================= [ 876.789120] [ 876.796724] NMI backtrace for cpu 1 [ 876.800402] CPU: 1 PID: 1068 Comm: khungtaskd Not tainted 4.19.89-syzkaller #0 [ 876.807776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 876.817241] Call Trace: [ 876.819957] dump_stack+0x197/0x210 [ 876.823608] nmi_cpu_backtrace.cold+0x63/0xa4 [ 876.828160] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 876.833096] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 876.838389] arch_trigger_cpumask_backtrace+0x14/0x20 [ 876.843591] watchdog+0x9df/0xee0 [ 876.847120] kthread+0x354/0x420 [ 876.850490] ? reset_hung_task_detector+0x30/0x30 [ 876.855353] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 876.860989] ret_from_fork+0x24/0x30 [ 876.864811] Sending NMI from CPU 1 to CPUs 0: [ 876.870228] NMI backtrace for cpu 0 [ 876.870234] CPU: 0 PID: 8558 Comm: syz-executor922 Not tainted 4.19.89-syzkaller #0 [ 876.870240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 876.870244] RIP: 0010:rcu_lockdep_current_cpu_online+0xcb/0x1c0 [ 876.870254] Code: 20 00 0f 85 cf 00 00 00 49 8b 9d d8 12 00 00 e8 bb 6f 09 02 89 c0 48 8d 3c c5 00 bf bd 88 48 89 fa 48 c1 ea 03 42 80 3c 22 00 <0f> 85 b1 00 00 00 48 03 1c c5 00 bf bd 88 48 8d 7b 20 48 89 f8 48 [ 876.870258] RSP: 0018:ffff88809149f668 EFLAGS: 00000046 [ 876.870266] RAX: 0000000000000000 RBX: 000000000002d000 RCX: ffffffff836274ca [ 876.870271] RDX: 1ffffffff117b7e0 RSI: ffffffff836274d8 RDI: ffffffff88bdbf00 [ 876.870276] RBP: ffff88809149f690 R08: ffff8880aa3fa2c0 R09: ffffed1015d04733 [ 876.870281] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: dffffc0000000000 [ 876.870286] R13: ffffffff88f99600 R14: ffff8880aa3fa2c0 R15: 0000000000000f9e [ 876.870291] FS: 0000000000b53880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 876.870295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 876.870300] CR2: ffffffffff600400 CR3: 0000000090066000 CR4: 00000000001406f0 [ 876.870305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 876.870309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 876.870312] Call Trace: [ 876.870314] rcu_read_lock_held+0x8a/0xd0 [ 876.870317] update_curr+0x65e/0x8a0 [ 876.870320] ? pick_next_entity+0x198/0x3f0 [ 876.870323] ? trace_hardirqs_on_caller+0x6a/0x220 [ 876.870326] pick_next_task_fair+0x6bf/0x1580 [ 876.870329] ? kvm_clock_read+0x18/0x30 [ 876.870331] ? kvm_sched_clock_read+0x9/0x20 [ 876.870334] ? sched_clock+0x2e/0x50 [ 876.870337] ? run_rebalance_domains+0x2e0/0x2e0 [ 876.870340] __schedule+0x456/0x1dc0 [ 876.870343] ? firmware_map_remove+0x1a7/0x1a7 [ 876.870345] schedule+0x92/0x1c0 [ 876.870348] paste_selection+0x2e8/0x443 [ 876.870351] ? set_selection+0x1370/0x1370 [ 876.870354] ? lock_downgrade+0x880/0x880 [ 876.870356] ? wake_up_q+0x100/0x100 [ 876.870359] tioclinux+0x133/0x470 [ 876.870361] vt_ioctl+0x19ab/0x2530 [ 876.870365] ? complete_change_console+0x3a0/0x3a0 [ 876.870368] ? avc_has_extended_perms+0xa78/0x10f0 [ 876.870371] ? lock_downgrade+0x880/0x880 [ 876.870373] ? avc_ss_reset+0x190/0x190 [ 876.870377] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 876.870380] ? tty_jobctrl_ioctl+0x50/0xcd0 [ 876.870383] ? complete_change_console+0x3a0/0x3a0 [ 876.870385] tty_ioctl+0x7f3/0x1510 [ 876.870388] ? tty_vhangup+0x30/0x30 [ 876.870391] ? thp_get_unmapped_area+0x1f0/0x1f0 [ 876.870394] ? __handle_mm_fault+0x7d1/0x3f80 [ 876.870397] ? __might_sleep+0x95/0x190 [ 876.870399] ? tty_vhangup+0x30/0x30 [ 876.870402] do_vfs_ioctl+0xd5f/0x1380 [ 876.870405] ? selinux_file_ioctl+0x46f/0x5e0 [ 876.870408] ? selinux_file_ioctl+0x125/0x5e0 [ 876.870411] ? ioctl_preallocate+0x210/0x210 [ 876.870414] ? selinux_file_mprotect+0x620/0x620 [ 876.870417] ? gup_pgd_range+0x1afc/0x3910 [ 876.870419] ? write_comp_data+0x5b/0x70 [ 876.870422] ? up_read+0x1a/0x110 [ 876.870425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 876.870429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 876.870432] ? security_file_ioctl+0x8d/0xc0 [ 876.870434] ksys_ioctl+0xab/0xd0 [ 876.870437] __x64_sys_ioctl+0x73/0xb0 [ 876.870439] do_syscall_64+0xfd/0x620 [ 876.870443] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 876.870445] RIP: 0033:0x441219 [ 876.870454] Code: e8 3c ad 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 876.870457] RSP: 002b:00007ffe87049328 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 876.870464] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441219 [ 876.870469] RDX: 00000000200001c0 RSI: 000000000000541c RDI: 0000000000000003 [ 876.870473] RBP: 00000000000a20d5 R08: 000000000000000d R09: 00000000004002c8 [ 876.870477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402040 [ 876.870481] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 876.871156] Kernel panic - not syncing: hung_task: blocked tasks [ 877.266214] CPU: 1 PID: 1068 Comm: khungtaskd Not tainted 4.19.89-syzkaller #0 [ 877.273570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 877.282924] Call Trace: [ 877.285833] dump_stack+0x197/0x210 [ 877.289497] panic+0x26a/0x50e [ 877.292705] ? __warn_printk+0xf3/0xf3 [ 877.296614] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 877.301564] ? ___preempt_schedule+0x16/0x18 [ 877.305984] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 877.311442] ? nmi_trigger_cpumask_backtrace+0x1c1/0x1f8 [ 877.316892] ? nmi_trigger_cpumask_backtrace+0x1cb/0x1f8 [ 877.322352] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 877.327810] watchdog+0x9f0/0xee0 [ 877.331279] kthread+0x354/0x420 [ 877.334648] ? reset_hung_task_detector+0x30/0x30 [ 877.340444] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 877.345989] ret_from_fork+0x24/0x30 [ 877.350955] Kernel Offset: disabled [ 877.354714] Rebooting in 86400 seconds..