[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Update UTMP about System Runlevel Changes.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts.
syzkaller login: [   43.557125][ T6816] IPVS: ftp: loaded support on port[0] = 21
executing program
[   44.646358][ T6842] ==================================================================
[   44.654550][ T6842] BUG: KASAN: null-ptr-deref in amp_read_loc_assoc_final_data+0x115/0x260
[   44.663074][ T6842] Write of size 8 at addr 0000000000000030 by task kworker/u5:2/6842
[   44.671216][ T6842] 
[   44.673546][ T6842] CPU: 1 PID: 6842 Comm: kworker/u5:2 Not tainted 5.8.0-rc7-syzkaller #0
[   44.681966][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   44.692051][ T6842] Workqueue: hci0 hci_rx_work
[   44.696725][ T6842] Call Trace:
[   44.700011][ T6842]  dump_stack+0x1f0/0x31e
[   44.704367][ T6842]  kasan_report+0x151/0x1d0
[   44.708870][ T6842]  ? amp_read_loc_assoc_final_data+0x115/0x260
[   44.715023][ T6842]  check_memory_region+0x2b5/0x2f0
[   44.720135][ T6842]  amp_read_loc_assoc_final_data+0x115/0x260
[   44.726122][ T6842]  ? rcu_lock_release+0x5/0x20
[   44.730891][ T6842]  hci_event_packet+0x8289/0x18240
[   44.736005][ T6842]  ? trace_lock_release+0x137/0x1a0
[   44.741198][ T6842]  ? _raw_spin_unlock_irqrestore+0x6f/0xd0
[   44.746983][ T6842]  ? lockdep_hardirqs_on+0x38/0xe0
[   44.752072][ T6842]  hci_rx_work+0x236/0x9c0
[   44.756468][ T6842]  process_one_work+0x789/0xfc0
[   44.761306][ T6842]  worker_thread+0xaa4/0x1460
[   44.765969][ T6842]  ? _raw_spin_unlock_irqrestore+0x6f/0xd0
[   44.771773][ T6842]  kthread+0x37e/0x3a0
[   44.775845][ T6842]  ? rcu_lock_release+0x20/0x20
[   44.780682][ T6842]  ? kthread_blkcg+0xd0/0xd0
[   44.785263][ T6842]  ret_from_fork+0x1f/0x30
[   44.789682][ T6842] ==================================================================
[   44.797720][ T6842] Disabling lock debugging due to kernel taint
[   44.805784][ T6842] Kernel panic - not syncing: panic_on_warn set ...
[   44.812386][ T6842] CPU: 1 PID: 6842 Comm: kworker/u5:2 Tainted: G    B             5.8.0-rc7-syzkaller #0
[   44.822179][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   44.832242][ T6842] Workqueue: hci0 hci_rx_work
[   44.836927][ T6842] Call Trace:
[   44.840250][ T6842]  dump_stack+0x1f0/0x31e
[   44.844635][ T6842]  panic+0x264/0x7a0
[   44.848589][ T6842]  ? trace_hardirqs_on+0x30/0x80
[   44.853520][ T6842]  kasan_report+0x1c9/0x1d0
[   44.858016][ T6842]  ? amp_read_loc_assoc_final_data+0x115/0x260
[   44.864154][ T6842]  check_memory_region+0x2b5/0x2f0
[   44.869699][ T6842]  amp_read_loc_assoc_final_data+0x115/0x260
[   44.875674][ T6842]  ? rcu_lock_release+0x5/0x20
[   44.880436][ T6842]  hci_event_packet+0x8289/0x18240
[   44.885519][ T6842]  ? trace_lock_release+0x137/0x1a0
[   44.890692][ T6842]  ? _raw_spin_unlock_irqrestore+0x6f/0xd0
[   44.896467][ T6842]  ? lockdep_hardirqs_on+0x38/0xe0
[   44.901563][ T6842]  hci_rx_work+0x236/0x9c0
[   44.905962][ T6842]  process_one_work+0x789/0xfc0
[   44.910801][ T6842]  worker_thread+0xaa4/0x1460
[   44.915451][ T6842]  ? _raw_spin_unlock_irqrestore+0x6f/0xd0
[   44.921230][ T6842]  kthread+0x37e/0x3a0
[   44.925278][ T6842]  ? rcu_lock_release+0x20/0x20
[   44.930111][ T6842]  ? kthread_blkcg+0xd0/0xd0
[   44.934671][ T6842]  ret_from_fork+0x1f/0x30
[   44.940030][ T6842] Kernel Offset: disabled
[   44.944360][ T6842] Rebooting in 86400 seconds..