[  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.
[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts.
syzkaller login: [   51.692703] audit: type=1400 audit(1596359632.027:8): avc:  denied  { execmem } for  pid=6434 comm="syz-executor651" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   51.720869] IPVS: ftp: loaded support on port[0] = 21
executing program
[   52.865755] kasan: CONFIG_KASAN_INLINE enabled
[   52.870614] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   52.878125] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   52.884369] CPU: 0 PID: 1226 Comm: kworker/u5:0 Not tainted 4.19.136-syzkaller #0
[   52.891984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.901345] Workqueue: hci0 hci_rx_work
[   52.905331] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x24a/0x7a0
[   52.911657] Code: 48 c1 ea 03 80 3c 02 00 0f 85 60 05 00 00 48 8b 9d 28 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 23 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
[   52.930550] RSP: 0018:ffff8880a75dfa78 EFLAGS: 00010202
[   52.935891] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff867c041f
[   52.943142] RDX: 0000000000000002 RSI: ffffffff867c042c RDI: 0000000000000010
[   52.950422] RBP: ffff888089848580 R08: 0000000000000000 R09: 0000000000000000
[   52.957668] R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
[   52.964928] R13: ffff88808537de80 R14: 00000000000000c8 R15: ffff88808537cf50
[   52.972188] FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   52.980401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.986260] CR2: 000055d53655dea0 CR3: 0000000008c6d000 CR4: 00000000001406f0
[   52.993520] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   53.000771] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   53.008028] Call Trace:
[   53.010612]  hci_event_packet+0x1973/0x858f
[   53.014915]  ? mark_held_locks+0xf0/0xf0
[   53.018965]  ? __lock_acquire+0x6de/0x3ff0
[   53.023178]  ? hci_cmd_complete_evt+0xb5e0/0xb5e0
[   53.027998]  ? __update_load_avg_se+0x5ec/0xa00
[   53.032646]  ? debug_object_deactivate+0x1f9/0x2e0
[   53.037570]  ? mark_held_locks+0xa6/0xf0
[   53.041609]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   53.046692]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   53.051254]  hci_rx_work+0x46b/0xa90
[   53.054957]  process_one_work+0x864/0x1570
[   53.059170]  ? pwq_dec_nr_in_flight+0x2d0/0x2d0
[   53.063818]  worker_thread+0x64c/0x1130
[   53.067771]  ? process_one_work+0x1570/0x1570
[   53.072245]  kthread+0x30b/0x410
[   53.075598]  ? kthread_park+0x180/0x180
[   53.079556]  ret_from_fork+0x24/0x30
[   53.083273] Modules linked in:
[   53.086979] ---[ end trace 3aed1ec5c0911ca7 ]---
[   53.092271] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x24a/0x7a0
[   53.098596] Code: 48 c1 ea 03 80 3c 02 00 0f 85 60 05 00 00 48 8b 9d 28 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 23 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
[   53.117548] RSP: 0018:ffff8880a75dfa78 EFLAGS: 00010202
[   53.123036] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff867c041f
[   53.130351] RDX: 0000000000000002 RSI: ffffffff867c042c RDI: 0000000000000010
[   53.137620] RBP: ffff888089848580 R08: 0000000000000000 R09: 0000000000000000
[   53.144956] R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
[   53.152274] R13: ffff88808537de80 R14: 00000000000000c8 R15: ffff88808537cf50
[   53.159586] FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   53.167818] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.173730] CR2: 000055d53655dea0 CR3: 0000000008c6d000 CR4: 00000000001406f0
[   53.181053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   53.188316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   53.195631] Kernel panic - not syncing: Fatal exception
[   53.201969] Kernel Offset: disabled
[   53.205580] Rebooting in 86400 seconds..