[ 71.432460][ T26] audit: type=1400 audit(1575391308.983:37): avc: denied { watch } for pid=9536 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 71.465387][ T26] audit: type=1400 audit(1575391308.983:38): avc: denied { watch } for pid=9536 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 71.726613][ T26] audit: type=1800 audit(1575391309.273:39): pid=9446 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 71.748678][ T26] audit: type=1800 audit(1575391309.273:40): pid=9446 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 74.857654][ T26] audit: type=1400 audit(1575391312.403:41): avc: denied { map } for pid=9623 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. executing program [ 81.873236][ T26] audit: type=1400 audit(1575391319.423:42): avc: denied { map } for pid=9635 comm="syz-executor745" path="/root/syz-executor745631302" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 81.984342][ T12] divide error: 0000 [#1] PREEMPT SMP KASAN [ 81.984356][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0 [ 81.984364][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.984381][ T12] Workqueue: events console_callback [ 81.984401][ T12] RIP: 0010:fbcon_switch+0x20d/0x17f0 [ 81.984414][ T12] Code: a4 3b 08 4c 89 3d 33 a4 3b 08 38 d0 7c 08 84 d2 0f 85 48 13 00 00 41 8b 9d 3c 03 00 00 31 d2 bf 05 00 00 00 8b 05 f3 07 13 06 f3 41 89 c4 89 c6 e8 67 48 c3 fd 41 83 fc 05 0f 8e d7 0b 00 00 [ 81.984421][ T12] RSP: 0018:ffffc90000d2f9d8 EFLAGS: 00010246 [ 81.984431][ T12] RAX: 0000000000008000 RBX: 0000000000000000 RCX: ffffffff83b1b314 [ 81.984438][ T12] RDX: 0000000000000000 RSI: ffffffff83b1b322 RDI: 0000000000000005 [ 81.984446][ T12] RBP: ffffc90000d2fb68 R08: ffff8880a9a06300 R09: fffffbfff14b0ac8 [ 81.984454][ T12] R10: fffffbfff14b0ac7 R11: ffffffff8a58563b R12: 0000000000000000 [ 81.984462][ T12] R13: ffff88809e21f000 R14: ffff8880a40fc000 R15: ffff8880a3860000 [ 81.984474][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 81.984482][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.984490][ T12] CR2: 00007fb4a5f9a000 CR3: 00000000a64af000 CR4: 00000000001406f0 [ 81.984502][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.984509][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.984513][ T12] Call Trace: [ 81.984532][ T12] ? fbcon_set_def_font+0x360/0x360 [ 81.984548][ T12] ? mark_held_locks+0xa4/0xf0 [ 81.984561][ T12] ? __queue_work+0x5c0/0x1280 [ 81.984579][ T12] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 81.984593][ T12] ? kernfs_notify+0x131/0x210 [ 81.984606][ T12] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 81.984619][ T12] ? lockdep_hardirqs_on+0x421/0x5e0 [ 81.984636][ T12] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 81.984648][ T12] ? kernfs_put+0x37a/0x590 [ 81.984663][ T12] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.984675][ T12] ? fbcon_set_origin+0x2b/0x50 [ 81.984687][ T12] ? fbcon_scrolldelta+0x1220/0x1220 [ 81.984699][ T12] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.984711][ T12] redraw_screen+0x2b6/0x7d0 [ 81.984724][ T12] ? respond_string+0x2c0/0x2c0 [ 81.984735][ T12] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 81.984747][ T12] ? get_color+0x225/0x430 [ 81.984764][ T12] complete_change_console+0x105/0x3a0 [ 81.984778][ T12] change_console+0x19b/0x2c0 [ 81.984791][ T12] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.984803][ T12] console_callback+0x3a1/0x400 [ 81.984815][ T12] ? poke_blanked_console+0x270/0x270 [ 81.984828][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.984842][ T12] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 81.984856][ T12] ? trace_hardirqs_on+0x67/0x240 [ 81.984870][ T12] process_one_work+0x9af/0x1740 [ 81.984887][ T12] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.984897][ T12] ? lock_acquire+0x190/0x410 [ 81.984915][ T12] worker_thread+0x98/0xe40 [ 81.984928][ T12] ? trace_hardirqs_on+0x67/0x240 [ 81.984946][ T12] kthread+0x361/0x430 [ 81.984958][ T12] ? process_one_work+0x1740/0x1740 [ 81.984969][ T12] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 81.984983][ T12] ret_from_fork+0x24/0x30 [ 81.984994][ T12] Modules linked in: [ 81.985011][ T12] ---[ end trace 074c38236abce447 ]--- [ 81.985024][ T12] RIP: 0010:fbcon_switch+0x20d/0x17f0 [ 81.985036][ T12] Code: a4 3b 08 4c 89 3d 33 a4 3b 08 38 d0 7c 08 84 d2 0f 85 48 13 00 00 41 8b 9d 3c 03 00 00 31 d2 bf 05 00 00 00 8b 05 f3 07 13 06 f3 41 89 c4 89 c6 e8 67 48 c3 fd 41 83 fc 05 0f 8e d7 0b 00 00 [ 81.985043][ T12] RSP: 0018:ffffc90000d2f9d8 EFLAGS: 00010246 [ 81.985053][ T12] RAX: 0000000000008000 RBX: 0000000000000000 RCX: ffffffff83b1b314 [ 81.985061][ T12] RDX: 0000000000000000 RSI: ffffffff83b1b322 RDI: 0000000000000005 [ 81.985068][ T12] RBP: ffffc90000d2fb68 R08: ffff8880a9a06300 R09: fffffbfff14b0ac8 [ 81.985075][ T12] R10: fffffbfff14b0ac7 R11: ffffffff8a58563b R12: 0000000000000000 [ 81.985083][ T12] R13: ffff88809e21f000 R14: ffff8880a40fc000 R15: ffff8880a3860000 [ 81.985092][ T12] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 81.985100][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.985107][ T12] CR2: 00007fb4a5f9a000 CR3: 00000000a64af000 CR4: 00000000001406f0 [ 81.985115][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.985122][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.985127][ T12] Kernel panic - not syncing: Fatal exception [ 81.986454][ T12] Kernel Offset: disabled [ 82.435832][ T12] Rebooting in 86400 seconds..