[  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 '10.128.1.49' (ECDSA) to the list of known hosts.
syzkaller login: [   34.397939] audit: type=1400 audit(1596377064.603:8): avc:  denied  { execmem } for  pid=6351 comm="syz-executor926" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   34.635596] IPVS: ftp: loaded support on port[0] = 21
executing program
[   36.496452] kasan: CONFIG_KASAN_INLINE enabled
[   36.501275] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   36.509901] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   36.516137] Modules linked in:
[   36.519332] CPU: 0 PID: 6381 Comm: kworker/u5:2 Not tainted 4.14.191-syzkaller #0
[   36.526945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   36.536311] Workqueue: hci0 hci_rx_work
[   36.541326] task: ffff8880982e4680 task.stack: ffff8880970b0000
[   36.547459] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x1f3/0x6c0
[   36.553776] RSP: 0018:ffff8880970b7ad0 EFLAGS: 00010202
[   36.559309] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1101305c9f0
[   36.566584] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010
[   36.573842] RBP: ffff88808602e7c0 R08: 0000000000000000 R09: 0000000000000003
[   36.581102] R10: 0000000000000000 R11: ffff8880982e4680 R12: ffff888097775668
[   36.588365] R13: 00000000000000c8 R14: ffff88809f3c728b R15: ffff888097774710
[   36.595806] FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
[   36.604725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.610611] CR2: 0000560da4ecd270 CR3: 000000008c17f000 CR4: 00000000001406f0
[   36.617872] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   36.625305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   36.632570] Call Trace:
[   36.635245]  ? static_obj+0x50/0x50
[   36.638926]  hci_event_packet+0x2592/0x7c7a
[   36.643255]  ? trace_hardirqs_on+0x10/0x10
[   36.647483]  ? hci_cmd_complete_evt+0x9590/0x9590
[   36.652527]  ? trace_hardirqs_on+0x10/0x10
[   36.656765]  ? debug_object_deactivate+0x1da/0x2e0
[   36.661699]  ? trace_hardirqs_on+0x10/0x10
[   36.666055]  ? skb_dequeue+0x120/0x170
[   36.669997]  ? mark_held_locks+0xa6/0xf0
[   36.674064]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   36.679157]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   36.684174]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   36.689269]  hci_rx_work+0x3e6/0x970
[   36.693075]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   36.698579]  process_one_work+0x793/0x14a0
[   36.702826]  ? work_busy+0x320/0x320
[   36.706550]  ? worker_thread+0x158/0xff0
[   36.710594]  ? _raw_spin_unlock_irq+0x24/0x80
[   36.715080]  worker_thread+0x5cc/0xff0
[   36.718987]  ? rescuer_thread+0xc80/0xc80
[   36.723371]  kthread+0x30d/0x420
[   36.726732]  ? kthread_create_on_node+0xd0/0xd0
[   36.731398]  ret_from_fork+0x24/0x30
[   36.735214] Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 dd 04 00 00 48 8b 9d 40 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a0 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 
[   36.754422] RIP: hci_phy_link_complete_evt.isra.0+0x1f3/0x6c0 RSP: ffff8880970b7ad0
[   36.763599] ---[ end trace 6887703ddbf2d380 ]---
[   36.768394] Kernel panic - not syncing: Fatal exception
[   36.774912] Kernel Offset: disabled
[   36.778819] Rebooting in 86400 seconds..