[  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 '10.128.1.13' (ECDSA) to the list of known hosts.
syzkaller login: [   32.526771] audit: type=1400 audit(1596378387.667:8): avc:  denied  { execmem } for  pid=6361 comm="syz-executor707" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   32.769116] IPVS: ftp: loaded support on port[0] = 21
executing program
[   36.617117] Bluetooth: hci0 command 0x0409 tx timeout
[   38.695932] Bluetooth: hci0 command 0x041b tx timeout
[   39.564073] ODEBUG: assert_init not available (active state 0) object type: timer_list hint:           (null)
[   39.574377] ------------[ cut here ]------------
[   39.579123] WARNING: CPU: 0 PID: 6390 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb
[   39.588178] Kernel panic - not syncing: panic_on_warn set ...
[   39.588178] 
[   39.595518] CPU: 0 PID: 6390 Comm: syz-executor707 Not tainted 4.14.191-syzkaller #0
[   39.603378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.612706] Call Trace:
[   39.615279]  dump_stack+0x1b2/0x283
[   39.618887]  panic+0x1f9/0x42d
[   39.622056]  ? add_taint.cold+0x16/0x16
[   39.626009]  ? debug_print_object.cold+0xa7/0xdb
[   39.630744]  ? debug_print_object.cold+0xa7/0xdb
[   39.635472]  __warn.cold+0x20/0x4b
[   39.638989]  ? ist_end_non_atomic+0x10/0x10
[   39.643286]  ? debug_print_object.cold+0xa7/0xdb
[   39.648016]  report_bug+0x208/0x249
[   39.651619]  do_error_trap+0x195/0x2d0
[   39.655480]  ? math_error+0x2d0/0x2d0
[   39.659259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   39.664079]  invalid_op+0x1b/0x40
[   39.667546] RIP: 0010:debug_print_object.cold+0xa7/0xdb
[   39.672889] RSP: 0018:ffff888095d4f598 EFLAGS: 00010086
[   39.678228] RAX: 0000000000000061 RBX: 0000000000000005 RCX: 0000000000000000
[   39.685470] RDX: 0000000000000000 RSI: ffffffff86ac0dc0 RDI: ffffed1012ba9ea9
[   39.692713] RBP: ffffffff86abc080 R08: 0000000000000061 R09: 0000000000000003
[   39.699957] R10: 0000000000000000 R11: ffff888097e88340 R12: 0000000000000000
[   39.707199] R13: 0000000000000000 R14: ffff88809767b070 R15: 1ffff11012ba9ebc
[   39.714454]  ? debug_print_object.cold+0xa7/0xdb
[   39.719185]  debug_object_assert_init+0x1d3/0x2d0
[   39.724001]  ? debug_object_active_state+0x330/0x330
[   39.729075]  ? __queue_work+0x517/0xf70
[   39.733026]  ? lock_downgrade+0x740/0x740
[   39.737147]  del_timer+0x5d/0xe0
[   39.740485]  ? process_timeout+0x20/0x20
[   39.744517]  ? _raw_spin_unlock+0x29/0x40
[   39.748639]  ? __queue_work+0x517/0xf70
[   39.752584]  try_to_grab_pending+0x243/0x610
[   39.756969]  __cancel_work+0x68/0x240
[   39.760743]  ? try_to_grab_pending+0x610/0x610
[   39.765298]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   39.770287]  ? queue_delayed_work_on+0xfc/0x1d0
[   39.774930]  l2cap_chan_del+0x465/0x800
[   39.778880]  l2cap_chan_close+0xd5/0x770
[   39.782913]  ? __set_monitor_timer+0x110/0x110
[   39.787510]  ? wait_for_completion_io+0x10/0x10
[   39.792152]  ? __local_bh_enable_ip+0xc1/0x170
[   39.796710]  l2cap_sock_shutdown+0x74e/0xa60
[   39.801089]  ? do_exit+0xa03/0x27f0
[   39.804686]  ? do_group_exit+0x100/0x2e0
[   39.808718]  ? get_signal+0x38d/0x1ca0
[   39.812579]  ? l2cap_skb_msg_name+0x120/0x120
[   39.817056]  ? entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   39.822396]  ? trace_hardirqs_on+0x10/0x10
[   39.826603]  ? l2cap_sock_release+0x56/0x180
[   39.830985]  ? lock_downgrade+0x740/0x740
[   39.835108]  l2cap_sock_release+0x63/0x180
[   39.839320]  __sock_release+0xcd/0x2b0
[   39.843181]  ? __sock_release+0x2b0/0x2b0
[   39.847302]  sock_close+0x15/0x20
[   39.850726]  __fput+0x25f/0x7a0
[   39.853980]  task_work_run+0x11f/0x190
[   39.857845]  do_exit+0xa08/0x27f0
[   39.861274]  ? trace_hardirqs_on+0x10/0x10
[   39.865485]  ? mm_update_next_owner+0x5b0/0x5b0
[   39.870131]  ? get_signal+0x323/0x1ca0
[   39.873993]  ? lock_acquire+0x170/0x3f0
[   39.877940]  ? lock_downgrade+0x740/0x740
[   39.882062]  do_group_exit+0x100/0x2e0
[   39.885925]  get_signal+0x38d/0x1ca0
[   39.889616]  do_signal+0x7c/0x1550
[   39.893129]  ? __local_bh_enable_ip+0xc1/0x170
[   39.897690]  ? trace_hardirqs_on_caller+0x3a8/0x580
[   39.902679]  ? l2cap_sock_connect+0x2f9/0x4f0
[   39.907146]  ? __local_bh_enable_ip+0xc1/0x170
[   39.911702]  ? setup_sigcontext+0x820/0x820
[   39.915998]  ? l2cap_sock_accept+0x440/0x440
[   39.920379]  ? security_socket_connect+0x83/0xb0
[   39.925105]  ? l2cap_sock_accept+0x440/0x440
[   39.929489]  ? SyS_connect+0xf6/0x240
[   39.933264]  ? SyS_accept+0x30/0x30
[   39.936873]  ? exit_to_usermode_loop+0x41/0x200
[   39.941514]  exit_to_usermode_loop+0x160/0x200
[   39.946081]  do_syscall_64+0x4a3/0x640
[   39.949949]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   39.955110] RIP: 0033:0x446d69
[   39.958274] RSP: 002b:00007ffe03573898 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[   39.965971] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446d69
[   39.973224] RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000004
[   39.980471] RBP: 00007ffe035738d0 R08: 0000000000000000 R09: 00000000000000ff
[   39.987714] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000004
[   39.994958] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   40.003577] Kernel Offset: disabled
[   40.007240] Rebooting in 86400 seconds..