[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.151' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   33.702282] audit: type=1400 audit(1595480216.708:8): avc:  denied  { execmem } for  pid=6345 comm="syz-executor795" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   33.779251] divide error: 0000 [#1] PREEMPT SMP KASAN
[   33.779254] Modules linked in:
[   33.779263] CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 4.14.189-syzkaller #0
[   33.779267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.779280] Workqueue: events console_callback
[   33.779286] task: ffff8880a9a3c680 task.stack: ffff8880a9a30000
[   33.779295] RIP: 0010:fbcon_switch+0x1cd/0x1b1f
[   33.779298] RSP: 0018:ffff8880a9a37a48 EFLAGS: 00010246
[   33.779304] RAX: 0000000000008000 RBX: 0000000000000000 RCX: 0000000000000000
[   33.779308] RDX: 0000000000000000 RSI: ffff8880a9a3cf58 RDI: ffff88809758d43c
[   33.779312] RBP: ffff8882192b0040 R08: ffffffff8a100a1c R09: 0000000000000000
[   33.779315] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809758d100
[   33.779319] R13: ffff8880a5b19500 R14: 0000000000000001 R15: ffff88809758d578
[   33.779324] FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
[   33.779328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.779332] CR2: 00007fa0387706c0 CR3: 00000000a848e000 CR4: 00000000001406f0
[   33.779341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.779345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.779347] Call Trace:
[   33.779357]  ? fbcon_startup+0xef0/0xef0
[   33.779364]  ? kernfs_notify+0x98/0x160
[   33.779375]  ? mark_held_locks+0xa6/0xf0
[   33.779385]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   33.779393]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   33.779400]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   33.779406]  ? kernfs_notify+0x98/0x160
[   33.779412]  ? fbcon_set_origin+0x1c/0x40
[   33.779418]  ? fbcon_scrolldelta+0x1170/0x1170
[   33.779427]  redraw_screen+0x32c/0x790
[   33.779436]  ? con_shutdown+0x90/0x90
[   33.779443]  ? fb_get_color_depth+0x100/0x200
[   33.779452]  complete_change_console+0xf9/0x5b0
[   33.779460]  change_console+0x15c/0x500
[   33.779468]  console_callback+0x32c/0x380
[   33.779474]  ? poke_blanked_console+0x1c0/0x1c0
[   33.779482]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   33.779492]  process_one_work+0x793/0x14a0
[   33.779501]  ? work_busy+0x320/0x320
[   33.779508]  ? worker_thread+0x158/0xff0
[   33.779515]  ? _raw_spin_unlock_irq+0x24/0x80
[   33.779524]  worker_thread+0x5cc/0xff0
[   33.779536]  ? rescuer_thread+0xc80/0xc80
[   33.779543]  kthread+0x30d/0x420
[   33.779550]  ? kthread_create_on_node+0xd0/0xd0
[   33.779556]  ret_from_fork+0x24/0x30
[   33.779565] Code: 4a 0b d6 07 83 c2 03 48 89 2d 80 0b d6 07 48 89 2d f9 0a d6 07 38 ca 7c 08 84 c9 0f 85 80 17 00 00 41 8b 9c 24 3c 03 00 00 31 d2 <f7> f3 83 f8 05 89 44 24 10 0f 8e 1c 0c 00 00 e8 3f 48 39 fe 8b 
[   33.779743] RIP: fbcon_switch+0x1cd/0x1b1f RSP: ffff8880a9a37a48
[   33.779754] ---[ end trace 72b3c86f77fc6192 ]---
[   33.779758] Kernel panic - not syncing: Fatal exception
[   33.780700] Kernel Offset: disabled
[   34.051247] Rebooting in 86400 seconds..