[  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 '10.128.0.76' (ECDSA) to the list of known hosts.
syzkaller login: [   52.482454] audit: type=1400 audit(1596376109.226:8): avc:  denied  { execmem } for  pid=6353 comm="syz-executor201" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   52.809410] IPVS: ftp: loaded support on port[0] = 21
executing program
[   54.644930] kasan: CONFIG_KASAN_INLINE enabled
[   54.649640] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   54.656996] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   54.663208] Modules linked in:
[   54.666374] CPU: 0 PID: 6381 Comm: kworker/u5:2 Not tainted 4.14.191-syzkaller #0
[   54.673982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.683342] Workqueue: hci0 hci_rx_work
[   54.687289] task: ffff88808f6aa1c0 task.stack: ffff888098668000
[   54.693333] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x1f3/0x6c0
[   54.699635] RSP: 0018:ffff88809866fad0 EFLAGS: 00010202
[   54.704967] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11011ed5558
[   54.712235] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010
[   54.719491] RBP: ffff888097184780 R08: 0000000000000000 R09: 0000000000000003
[   54.726744] R10: 0000000000000000 R11: ffff88808f6aa1c0 R12: ffff88809db09a28
[   54.734016] R13: 00000000000000c8 R14: ffff8880974f184b R15: ffff88809db08ad0
[   54.741273] FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
[   54.749487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.755370] CR2: 00007f87e2c5c000 CR3: 0000000007c6a000 CR4: 00000000001406f0
[   54.762612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   54.769974] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   54.777212] Call Trace:
[   54.779773]  ? static_obj+0x50/0x50
[   54.783409]  hci_event_packet+0x2592/0x7c7a
[   54.787714]  ? trace_hardirqs_on+0x10/0x10
[   54.791920]  ? hci_cmd_complete_evt+0x9590/0x9590
[   54.796907]  ? trace_hardirqs_on+0x10/0x10
[   54.801147]  ? trace_hardirqs_on+0x10/0x10
[   54.805352]  ? debug_object_deactivate+0x1da/0x2e0
[   54.810251]  ? trace_hardirqs_on+0x10/0x10
[   54.814499]  ? skb_dequeue+0x120/0x170
[   54.818360]  ? mark_held_locks+0xa6/0xf0
[   54.822406]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   54.827478]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   54.832479]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   54.837551]  hci_rx_work+0x3e6/0x970
[   54.841252]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   54.846671]  process_one_work+0x793/0x14a0
[   54.850927]  ? work_busy+0x320/0x320
[   54.854610]  ? worker_thread+0x158/0xff0
[   54.858671]  ? _raw_spin_unlock_irq+0x24/0x80
[   54.863139]  worker_thread+0x5cc/0xff0
[   54.867013]  ? rescuer_thread+0xc80/0xc80
[   54.871151]  kthread+0x30d/0x420
[   54.874505]  ? kthread_create_on_node+0xd0/0xd0
[   54.879151]  ret_from_fork+0x24/0x30
[   54.882836] 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 
[   54.901892] RIP: hci_phy_link_complete_evt.isra.0+0x1f3/0x6c0 RSP: ffff88809866fad0
[   54.910451] ---[ end trace 7df95fed3395214d ]---
[   54.915221] Kernel panic - not syncing: Fatal exception
[   54.921587] Kernel Offset: disabled
[   54.925205] Rebooting in 86400 seconds..