[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 37.743699] audit: type=1800 audit(1546338887.695:25): pid=7790 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 37.764325] audit: type=1800 audit(1546338887.695:26): pid=7790 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.784190] audit: type=1800 audit(1546338887.695:27): pid=7790 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.157006] sp0: Synchronizing with TNC [ 66.164400] sp0: Found TNC executing program [ 66.385009] sp0: Synchronizing with TNC [ 66.389938] sp0: Found TNC executing program [ 66.612034] sp0: Synchronizing with TNC [ 66.629775] sp0: Found TNC executing program [ 66.835754] sp0: Synchronizing with TNC [ 66.858302] sp0: Found TNC executing program [ 67.091957] sp0: Synchronizing with TNC [ 67.101690] sp0: Found TNC executing program [ 67.353500] sp0: Synchronizing with TNC [ 67.364261] sp0: Found TNC executing program [ 67.586570] sp0: Synchronizing with TNC [ 67.613615] sp0: Found TNC executing program [ 67.812058] sp0: Synchronizing with TNC [ 67.821676] sp0: Found TNC executing program [ 68.064047] sp0: Synchronizing with TNC [ 68.074266] sp0: Found TNC executing program [ 68.349577] sp0: Synchronizing with TNC [ 68.361670] sp0: Found TNC executing program [ 68.611065] sp0: Synchronizing with TNC [ 68.623691] sp0: Found TNC executing program [ 68.881785] sp0: Synchronizing with TNC [ 68.894565] sp0: Found TNC executing program [ 69.124833] sp0: Synchronizing with TNC [ 69.138355] sp0: Found TNC executing program [ 69.406846] sp0: Synchronizing with TNC [ 69.422497] sp0: Found TNC executing program [ 69.624302] sp0: Synchronizing with TNC [ 69.638215] sp0: Found TNC executing program [ 69.903732] sp0: Synchronizing with TNC [ 69.915612] sp0: Found TNC executing program [ 70.136575] sp0: Synchronizing with TNC [ 70.155900] sp0: Found TNC executing program [ 70.411678] sp0: Synchronizing with TNC [ 70.423680] sp0: Found TNC executing program [ 70.677230] sp0: Synchronizing with TNC [ 70.682143] sp0: Found TNC executing program [ 70.906500] sp0: Synchronizing with TNC [ 70.918508] sp0: Found TNC executing program [ 71.188235] sp0: Synchronizing with TNC [ 71.204821] sp0: Found TNC executing program [ 71.471768] sp0: Synchronizing with TNC [ 71.483585] sp0: Found TNC executing program [ 71.696457] sp0: Synchronizing with TNC [ 71.714070] sp0: Found TNC executing program [ 71.947248] sp0: Synchronizing with TNC [ 71.952474] sp0: Found TNC executing program [ 72.206574] sp0: Synchronizing with TNC [ 72.218394] sp0: Found TNC executing program [ 72.491412] sp0: Synchronizing with TNC [ 72.502407] sp0: Found TNC executing program [ 72.735282] sp0: Synchronizing with TNC [ 72.741567] sp0: Found TNC executing program [ 73.005511] sp0: Synchronizing with TNC [ 73.023400] sp0: Found TNC executing program [ 73.237178] sp0: Synchronizing with TNC [ 73.243371] sp0: Found TNC executing program [ 73.465609] sp0: Synchronizing with TNC [ 73.484275] sp0: Found TNC executing program [ 73.726545] sp0: Synchronizing with TNC [ 73.734470] sp0: Found TNC executing program [ 73.999059] sp0: Synchronizing with TNC [ 74.010241] sp0: Found TNC executing program [ 74.259710] sp0: Synchronizing with TNC [ 74.265379] sp0: Found TNC executing program [ 74.518251] sp0: Synchronizing with TNC [ 74.523282] sp0: Found TNC executing program [ 74.717641] sp0: Synchronizing with TNC [ 74.728414] sp0: Found TNC executing program [ 75.001345] sp0: Synchronizing with TNC [ 75.007457] sp0: Found TNC executing program [ 75.236883] sp0: Synchronizing with TNC [ 75.248750] sp0: Found TNC executing program [ 75.539994] sp0: Synchronizing with TNC [ 75.546262] sp0: Found TNC executing program [ 75.761893] sp0: Synchronizing with TNC [ 75.774901] sp0: Found TNC executing program [ 76.020054] sp0: Synchronizing with TNC [ 76.025747] sp0: Found TNC executing program [ 76.284181] sp0: Synchronizing with TNC [ 76.292280] sp0: Found TNC executing program [ 76.547362] sp0: Synchronizing with TNC [ 76.560857] sp0: Found TNC executing program [ 76.812349] sp0: Synchronizing with TNC [ 76.817813] sp0: Found TNC executing program [ 77.094253] sp0: Synchronizing with TNC [ 77.099894] sp0: Found TNC executing program [ 77.337559] sp0: Synchronizing with TNC [ 77.342683] sp0: Found TNC executing program [ 77.556835] sp0: Synchronizing with TNC [ 77.568803] sp0: Found TNC executing program [ 77.844188] sp0: Synchronizing with TNC [ 77.862863] sp0: Found TNC executing program [ 78.076470] sp0: Synchronizing with TNC [ 78.095915] sp0: Found TNC executing program [ 78.314386] sp0: Synchronizing with TNC [ 78.327932] sp0: Found TNC executing program [ 78.564668] sp0: Synchronizing with TNC [ 78.579682] sp0: Found TNC executing program [ 78.849193] sp0: Synchronizing with TNC [ 78.863775] sp0: Found TNC executing program [ 79.077149] sp0: Synchronizing with TNC [ 79.094977] sp0: Found TNC executing program [ 79.331798] sp0: Synchronizing with TNC [ 79.342655] sp0: Found TNC executing program [ 79.594131] sp0: Synchronizing with TNC [ 79.599180] sp0: Found TNC executing program [ 79.827101] sp0: Synchronizing with TNC [ 79.838740] sp0: Found TNC executing program [ 80.080837] sp0: Synchronizing with TNC [ 80.104700] sp0: Found TNC executing program [ 80.301305] sp0: Synchronizing with TNC [ 80.315948] sp0: Found TNC executing program [ 80.580242] sp0: Synchronizing with TNC [ 80.594993] sp0: Found TNC executing program [ 80.863455] sp0: Synchronizing with TNC [ 80.874109] sp0: Found TNC executing program [ 81.083200] sp0: Synchronizing with TNC [ 81.097142] sp0: Found TNC executing program [ 81.360798] sp0: Synchronizing with TNC [ 81.370266] sp0: Found TNC executing program [ 81.593895] sp0: Synchronizing with TNC [ 81.604558] sp0: Found TNC executing program [ 81.838080] sp0: Synchronizing with TNC [ 81.864124] sp0: Found TNC executing program [ 82.139752] sp0: Synchronizing with TNC [ 82.154733] sp0: Found TNC executing program [ 82.410820] sp0: Synchronizing with TNC [ 82.424160] sp0: Found TNC executing program [ 82.617983] sp0: Synchronizing with TNC [ 82.624812] sp0: Found TNC executing program [ 82.894165] sp0: Synchronizing with TNC [ 82.916379] sp0: Found TNC executing program [ 83.154443] sp0: Synchronizing with TNC [ 83.165960] sp0: Found TNC executing program [ 83.423715] sp0: Synchronizing with TNC [ 83.428730] sp0: Found TNC executing program [ 83.670313] sp0: Synchronizing with TNC [ 83.696018] sp0: Found TNC executing program [ 83.924020] sp0: Synchronizing with TNC [ 83.937563] sp0: Found TNC executing program [ 84.176793] sp0: Synchronizing with TNC [ 84.187569] sp0: Found TNC executing program [ 84.464446] sp0: Synchronizing with TNC [ 84.474937] sp0: Found TNC executing program [ 84.717418] sp0: Synchronizing with TNC [ 84.725733] sp0: Found TNC executing program [ 84.964482] sp0: Synchronizing with TNC [ 84.975311] sp0: Found TNC executing program [ 85.228524] sp0: Synchronizing with TNC [ 85.238958] sp0: Found TNC executing program [ 85.472104] sp0: Synchronizing with TNC [ 85.478778] sp0: Found TNC executing program [ 85.736571] sp0: Synchronizing with TNC [ 85.765754] sp0: Found TNC executing program [ 85.968301] sp0: Synchronizing with TNC [ 85.980988] sp0: Found TNC executing program [ 86.236538] sp0: Synchronizing with TNC [ 86.244466] sp0: Found TNC executing program [ 86.487759] sp0: Synchronizing with TNC [ 86.499871] sp0: Found TNC executing program [ 86.770525] sp0: Synchronizing with TNC [ 86.782444] sp0: Found TNC executing program [ 87.041413] sp0: Synchronizing with TNC [ 87.051249] sp0: Found TNC executing program [ 87.279289] sp0: Synchronizing with TNC [ 87.284711] sp0: Found TNC executing program [ 87.519979] sp0: Synchronizing with TNC [ 87.543318] sp0: Found TNC executing program [ 87.821054] sp0: Synchronizing with TNC [ 87.833731] sp0: Found TNC executing program [ 88.045156] sp0: Synchronizing with TNC [ 88.064026] sp0: Found TNC executing program [ 88.271255] sp0: Synchronizing with TNC [ 88.279710] sp0: Found TNC executing program [ 88.563707] sp0: Synchronizing with TNC [ 88.575120] sp0: Found TNC executing program [ 88.797971] sp0: Synchronizing with TNC [ 88.810056] sp0: Found TNC executing program [ 89.053666] sp0: Synchronizing with TNC [ 89.064175] sp0: Found TNC executing program [ 89.348064] sp0: Synchronizing with TNC [ 89.360357] sp0: Found TNC executing program [ 89.598845] sp0: Synchronizing with TNC [ 89.623575] sp0: Found TNC executing program [ 89.848473] sp0: Synchronizing with TNC [ 89.855256] sp0: Found TNC executing program [ 90.096033] sp0: Synchronizing with TNC [ 90.110504] sp0: Found TNC executing program [ 90.324218] sp0: Synchronizing with TNC [ 90.330549] sp0: Found TNC executing program [ 90.562400] sp0: Synchronizing with TNC [ 90.572387] sp0: Found TNC executing program [ 90.821016] sp0: Synchronizing with TNC [ 90.836140] sp0: Found TNC executing program [ 91.089715] sp0: Synchronizing with TNC [ 91.103966] sp0: Found TNC executing program [ 91.389765] sp0: Synchronizing with TNC [ 91.401482] sp0: Found TNC executing program [ 91.683920] sp0: Synchronizing with TNC [ 91.689585] sp0: Found TNC executing program [ 91.909610] sp0: Synchronizing with TNC [ 91.925238] sp0: Found TNC executing program [ 92.134757] sp0: Synchronizing with TNC [ 92.154204] sp0: Found TNC executing program [ 92.397322] sp0: Synchronizing with TNC [ 92.410306] sp0: Found TNC executing program [ 92.659855] sp0: Synchronizing with TNC [ 92.683325] sp0: Found TNC executing program [ 92.913832] sp0: Synchronizing with TNC [ 92.926542] sp0: Found TNC executing program [ 93.180669] sp0: Synchronizing with TNC [ 93.185746] sp0: Found TNC executing program [ 93.474235] sp0: Synchronizing with TNC [ 93.494630] sp0: Found TNC executing program [ 93.714626] sp0: Synchronizing with TNC [ 93.725585] sp0: Found TNC executing program [ 93.950182] sp0: Synchronizing with TNC [ 93.963830] sp0: Found TNC executing program [ 94.191062] sp0: Synchronizing with TNC [ 94.203644] sp0: Found TNC executing program [ 94.444487] sp0: Synchronizing with TNC [ 94.456247] sp0: Found TNC executing program [ 94.734586] sp0: Synchronizing with TNC [ 94.744421] sp0: Found TNC executing program [ 95.013739] sp0: Synchronizing with TNC [ 95.018834] sp0: Found TNC executing program [ 95.253211] sp0: Synchronizing with TNC [ 95.268780] sp0: Found TNC executing program [ 95.513514] sp0: Synchronizing with TNC [ 95.523571] sp0: Found TNC executing program [ 95.760942] sp0: Synchronizing with TNC [ 95.773891] sp0: Found TNC executing program [ 96.051485] sp0: Synchronizing with TNC [ 96.058293] sp0: Found TNC executing program [ 96.292243] sp0: Synchronizing with TNC [ 96.303828] sp0: Found TNC executing program [ 96.544786] sp0: Synchronizing with TNC [ 96.557564] sp0: Found TNC executing program [ 96.824654] sp0: Synchronizing with TNC [ 96.836173] sp0: Found TNC executing program [ 97.075161] sp0: Synchronizing with TNC [ 97.090283] sp0: Found TNC executing program [ 97.307580] sp0: Synchronizing with TNC [ 97.312664] sp0: Found TNC executing program [ 97.529041] sp0: Synchronizing with TNC [ 97.563485] sp0: Found TNC executing program [ 97.798780] sp0: Synchronizing with TNC [ 97.811634] sp0: Found TNC executing program [ 98.075893] sp0: Synchronizing with TNC [ 98.084289] sp0: Found TNC executing program [ 98.366796] sp0: Synchronizing with TNC [ 98.377704] sp0: Found TNC executing program [ 98.593689] sp0: Synchronizing with TNC [ 98.600269] sp0: Found TNC executing program [ 98.884459] sp0: Synchronizing with TNC [ 98.894001] sp0: Found TNC executing program [ 99.115093] sp0: Synchronizing with TNC [ 99.126665] sp0: Found TNC executing program [ 99.370836] sp0: Synchronizing with TNC [ 99.377234] sp0: Found TNC executing program [ 99.616405] sp0: Synchronizing with TNC [ 99.628226] sp0: Found TNC executing program [ 99.865417] sp0: Synchronizing with TNC [ 99.877062] sp0: Found TNC executing program [ 100.128232] sp0: Synchronizing with TNC [ 100.143907] sp0: Found TNC executing program [ 100.420516] sp0: Synchronizing with TNC [ 100.443435] sp0: Found TNC executing program [ 100.645551] sp0: Synchronizing with TNC [ 100.656025] sp0: Found TNC executing program [ 100.885251] sp0: Synchronizing with TNC [ 100.890826] sp0: Found TNC executing program [ 101.129327] sp0: Synchronizing with TNC [ 101.143833] sp0: Found TNC executing program [ 101.369814] sp0: Synchronizing with TNC [ 101.384958] sp0: Found TNC executing program [ 101.628649] sp0: Synchronizing with TNC [ 101.643589] sp0: Found TNC executing program [ 101.868010] sp0: Synchronizing with TNC [ 101.875278] sp0: Found TNC executing program [ 102.109067] sp0: Synchronizing with TNC [ 102.125398] sp0: Found TNC executing program [ 102.457225] sp0: Synchronizing with TNC [ 102.489538] sp0: Found TNC executing program [ 102.760962] sp0: Synchronizing with TNC [ 102.766531] sp0: Found TNC executing program [ 103.025650] sp0: Synchronizing with TNC [ 103.034442] sp0: Found TNC executing program [ 103.250076] sp0: Synchronizing with TNC [ 103.258326] sp0: Found TNC [ 103.313707] ------------[ cut here ]------------ [ 103.318507] kernel BUG at kernel/time/timer.c:1136! [ 103.332654] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 103.334952] ------------[ cut here ]------------ [ 103.338044] CPU: 0 PID: 112 Comm: kworker/u4:3 Not tainted 4.20.0+ #2 [ 103.342785] downgrading a read lock [ 103.342876] WARNING: CPU: 1 PID: 9978 at kernel/locking/lockdep.c:3553 lock_downgrade+0x4d2/0x910 [ 103.349365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.352991] Kernel panic - not syncing: panic_on_warn set ... [ 103.362001] Workqueue: events_unbound flush_to_ldisc [ 103.382295] RIP: 0010:add_timer+0xa81/0x1470 [ 103.386697] Code: 4d 89 7d 40 48 c7 85 70 fe ff ff 00 00 00 00 c7 85 7c fe ff ff ff ff ff ff 48 89 85 90 fe ff ff e9 e6 f7 ff ff e8 cf 42 12 00 <0f> 0b e8 c8 42 12 00 0f 0b e8 c1 42 12 00 4c 89 bd 60 fe ff ff e9 [ 103.405592] RSP: 0018:ffff8880a91c75a8 EFLAGS: 00010293 [ 103.410959] RAX: ffff8880a907a6c0 RBX: dffffc0000000000 RCX: 0000000000000000 [ 103.418221] RDX: 0000000000000000 RSI: ffffffff816f3ee1 RDI: ffff88808b40f1f8 [ 103.425515] RBP: ffff8880a91c7760 R08: 0000000000000007 R09: ffff8880a907afd8 [ 103.432810] R10: ffff8880a907a6c0 R11: 0000000000000000 R12: ffff88808b40f1f8 [ 103.440073] R13: ffff88808b40f1f8 R14: ffff88808b40efc0 R15: 0000000000000028 [ 103.447337] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 103.455566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.461438] CR2: 00007f5875c119de CR3: 00000000978f9000 CR4: 00000000001406f0 [ 103.468702] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 103.475961] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 103.483216] Call Trace: [ 103.485805] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 103.490562] ? mod_timer+0x1430/0x1430 [ 103.494454] ? preempt_schedule+0x4b/0x60 [ 103.498600] ? ___preempt_schedule+0x16/0x18 [ 103.503026] ? _raw_spin_unlock_irqrestore+0xbd/0xe0 [ 103.508125] ? del_timer+0xfe/0x150 [ 103.511750] ? detach_if_pending+0x690/0x690 [ 103.516155] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 103.521258] ? pty_write+0x86/0x200 [ 103.524887] sixpack_receive_buf+0xf9c/0x1470 [ 103.529400] ? sp_xmit+0xc20/0xc20 [ 103.532972] tty_ldisc_receive_buf+0x164/0x1c0 [ 103.537551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.543101] tty_port_default_receive_buf+0x114/0x190 [ 103.548290] ? __kasan_slab_free+0x119/0x150 [ 103.552705] ? tty_port_lower_dtr_rts+0x90/0x90 [ 103.557378] flush_to_ldisc+0x3b2/0x590 [ 103.561365] ? tty_insert_flip_string_flags+0x1b0/0x1b0 [ 103.566726] ? __lock_is_held+0xb6/0x140 [ 103.570790] process_one_work+0xd0c/0x1ce0 [ 103.575020] ? __switch_to_asm+0x34/0x70 [ 103.579081] ? __switch_to_asm+0x40/0x70 [ 103.583155] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 103.587818] ? __schedule+0x89f/0x1e90 [ 103.591712] ? __schedule+0x89f/0x1e90 [ 103.595600] ? pci_mmcfg_check_reserved+0x170/0x170 [ 103.600669] ? pci_mmcfg_check_reserved+0x170/0x170 [ 103.605681] ? worker_thread+0x3b7/0x14a0 [ 103.609823] ? find_held_lock+0x35/0x120 [ 103.613881] ? lock_acquire+0x1db/0x570 [ 103.617852] ? worker_thread+0x3cd/0x14a0 [ 103.621997] ? kasan_check_read+0x11/0x20 [ 103.626144] ? do_raw_spin_lock+0x156/0x360 [ 103.630482] ? lock_release+0xc40/0xc40 [ 103.634455] ? rwlock_bug.part.0+0x90/0x90 [ 103.638684] ? trace_hardirqs_on_caller+0x310/0x310 [ 103.643706] worker_thread+0x143/0x14a0 [ 103.647692] ? process_one_work+0x1ce0/0x1ce0 [ 103.652183] ? __kthread_parkme+0xc3/0x1b0 [ 103.656428] ? lock_acquire+0x1db/0x570 [ 103.660415] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 103.665516] ? lockdep_hardirqs_on+0x415/0x5d0 [ 103.670092] ? trace_hardirqs_on+0xbd/0x310 [ 103.674407] ? __kthread_parkme+0xc3/0x1b0 [ 103.678641] ? trace_hardirqs_off_caller+0x300/0x300 [ 103.683737] ? do_raw_spin_trylock+0x270/0x270 [ 103.688458] ? schedule+0x108/0x350 [ 103.692083] ? do_raw_spin_trylock+0x270/0x270 [ 103.696680] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 103.701801] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 103.707334] ? __kthread_parkme+0xfb/0x1b0 [ 103.712315] kthread+0x357/0x430 [ 103.715678] ? process_one_work+0x1ce0/0x1ce0 [ 103.720163] ? kthread_stop+0x920/0x920 [ 103.724131] ret_from_fork+0x3a/0x50 [ 103.727840] Modules linked in: [ 103.732039] Kernel Offset: disabled [ 103.735659] Rebooting in 86400 seconds..