[  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 '10.128.1.52' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   61.067312][ T6841] IPVS: ftp: loaded support on port[0] = 21
[   63.092967][   T17] Bluetooth: hci0: command 0x0409 tx timeout
[   65.172129][    T5] Bluetooth: hci0: command 0x041b tx timeout
[   66.142286][ T6873] ------------[ cut here ]------------
[   66.148014][ T6873] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
[   66.157893][ T6873] WARNING: CPU: 0 PID: 6873 at lib/debugobjects.c:485 debug_print_object+0x160/0x250
[   66.168019][ T6873] Modules linked in:
[   66.171913][ T6873] CPU: 0 PID: 6873 Comm: syz-executor449 Not tainted 5.9.0-rc1-next-20200821-syzkaller #0
[   66.181785][ T6873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   66.191836][ T6873] RIP: 0010:debug_print_object+0x160/0x250
[   66.197627][ T6873] Code: dd a0 4a 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 4a 94 88 48 c7 c7 00 40 94 88 e8 0b 09 a5 fd <0f> 0b 83 05 c3 52 1b 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
[   66.217216][ T6873] RSP: 0018:ffffc9000531f570 EFLAGS: 00010086
[   66.223284][ T6873] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
[   66.231251][ T6873] RDX: ffff88809381c380 RSI: ffffffff815da447 RDI: fffff52000a63ea0
[   66.239221][ T6873] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae620f8b
[   66.247191][ T6873] R10: 0000000000000000 R11: 203a47554245444f R12: ffffffff89c73cc0
[   66.255168][ T6873] R13: ffffffff8163b030 R14: ffff888090d5a200 R15: 1ffff92000a63eb9
[   66.263124][ T6873] FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   66.272049][ T6873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.278620][ T6873] CR2: 00007ff8f7832000 CR3: 0000000009a8d000 CR4: 00000000001506f0
[   66.286575][ T6873] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   66.302080][ T6873] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   66.310854][ T6873] Call Trace:
[   66.314139][ T6873]  debug_object_assert_init+0x1f4/0x2e0
[   66.319677][ T6873]  ? find_held_lock+0x2d/0x110
[   66.324423][ T6873]  ? debug_object_init_on_stack+0x20/0x20
[   66.330131][ T6873]  ? __queue_work+0x61a/0xf20
[   66.334806][ T6873]  ? lock_downgrade+0x830/0x830
[   66.339645][ T6873]  del_timer+0x6d/0x110
[   66.343783][ T6873]  ? detach_if_pending+0x4d0/0x4d0
[   66.348892][ T6873]  ? __queue_work+0x63c/0xf20
[   66.353553][ T6873]  ? lockdep_hardirqs_off+0x89/0xc0
[   66.358752][ T6873]  ? trace_hardirqs_off+0x76/0x210
[   66.363867][ T6873]  cancel_delayed_work+0xe0/0x450
[   66.373879][ T6873]  ? mod_delayed_work_on+0x2e0/0x2e0
[   66.379149][ T6873]  ? lockdep_hardirqs_on+0x76/0xf0
[   66.384766][ T6873]  ? queue_delayed_work_on+0x12f/0x210
[   66.390989][ T6873]  l2cap_chan_del+0x541/0x1300
[   66.395743][ T6873]  l2cap_chan_close+0x118/0xb10
[   66.400605][ T6873]  ? l2cap_retransmit_all+0x760/0x760
[   66.405969][ T6873]  ? __mutex_unlock_slowpath+0xe2/0x610
[   66.411497][ T6873]  ? mark_held_locks+0x9f/0xe0
[   66.416244][ T6873]  ? wait_for_completion+0x260/0x260
[   66.421520][ T6873]  ? lockdep_hardirqs_on_prepare+0x354/0x530
[   66.427481][ T6873]  ? l2cap_sock_shutdown+0x2c4/0xe90
[   66.433362][ T6873]  ? trace_hardirqs_on+0x5f/0x220
[   66.438377][ T6873]  l2cap_sock_shutdown+0x3b8/0xe90
[   66.443482][ T6873]  ? lock_acquire+0x1f1/0xad0
[   66.448141][ T6873]  ? bt_sock_unlink+0x1d/0x1c0
[   66.452890][ T6873]  ? l2cap_sock_suspend_cb+0x80/0x80
[   66.458165][ T6873]  ? find_held_lock+0x2d/0x110
[   66.462917][ T6873]  ? l2cap_sock_release+0x56/0x1d0
[   66.468018][ T6873]  ? lock_downgrade+0x830/0x830
[   66.472865][ T6873]  ? do_raw_read_unlock+0x70/0x70
[   66.477891][ T6873]  l2cap_sock_release+0x63/0x1d0
[   66.482811][ T6873]  __sock_release+0xcd/0x280
[   66.487398][ T6873]  sock_close+0x18/0x20
[   66.492054][ T6873]  __fput+0x285/0x920
[   66.496023][ T6873]  ? __sock_release+0x280/0x280
[   66.500885][ T6873]  task_work_run+0xdd/0x190
[   66.505384][ T6873]  do_exit+0xb7d/0x29f0
[   66.509521][ T6873]  ? lock_acquire+0x1f1/0xad0
[   66.514189][ T6873]  ? find_held_lock+0x2d/0x110
[   66.518932][ T6873]  ? mm_update_next_owner+0x7a0/0x7a0
[   66.524289][ T6873]  ? get_signal+0x34f/0x1f00
[   66.528865][ T6873]  ? lock_downgrade+0x830/0x830
[   66.533698][ T6873]  ? lock_is_held_type+0xbb/0xf0
[   66.538624][ T6873]  do_group_exit+0x125/0x310
[   66.543205][ T6873]  get_signal+0x428/0x1f00
[   66.547604][ T6873]  ? __local_bh_enable_ip+0xd1/0x190
[   66.552876][ T6873]  arch_do_signal+0x82/0x2520
[   66.557547][ T6873]  ? l2cap_sock_recv_cb+0x1e0/0x1e0
[   66.562726][ T6873]  ? __sys_connect_file+0x4e/0x1a0
[   66.567822][ T6873]  ? copy_siginfo_to_user32+0xa0/0xa0
[   66.573184][ T6873]  ? __sys_connect+0x10a/0x190
[   66.577940][ T6873]  ? __sys_connect_file+0x1a0/0x1a0
[   66.583131][ T6873]  ? exit_to_user_mode_prepare+0xb9/0x1c0
[   66.588841][ T6873]  ? lockdep_hardirqs_on_prepare+0x354/0x530
[   66.594821][ T6873]  exit_to_user_mode_prepare+0x15d/0x1c0
[   66.600442][ T6873]  syscall_exit_to_user_mode+0x59/0x2b0
[   66.605972][ T6873]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   66.611958][ T6873] RIP: 0033:0x446e39
[   66.615839][ T6873] Code: Bad RIP value.
[   66.620502][ T6873] RSP: 002b:00007ffcc05d0ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[   66.628895][ T6873] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446e39
[   66.636845][ T6873] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004
[   66.644807][ T6873] RBP: 0000000000000003 R08: 00000000000000ff R09: 00000000000000ff
[   66.652775][ T6873] R10: 0000000000000004 R11: 0000000000000246 R12: 000000000256f850
[   66.660736][ T6873] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[   66.668717][ T6873] Kernel panic - not syncing: panic_on_warn set ...
[   66.675328][ T6873] CPU: 0 PID: 6873 Comm: syz-executor449 Not tainted 5.9.0-rc1-next-20200821-syzkaller #0
[   66.685208][ T6873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   66.704985][ T6873] Call Trace:
[   66.708265][ T6873]  dump_stack+0x18f/0x20d
[   66.712583][ T6873]  panic+0x2e3/0x75c
[   66.716459][ T6873]  ? __warn_printk+0xf3/0xf3
[   66.721043][ T6873]  ? __warn.cold+0x1d/0xc1
[   66.725453][ T6873]  ? __warn.cold+0x14/0xc1
[   66.729861][ T6873]  ? debug_print_object+0x160/0x250
[   66.735055][ T6873]  __warn.cold+0x38/0xc1
[   66.739278][ T6873]  ? debug_print_object+0x160/0x250
[   66.745427][ T6873]  report_bug+0x1bd/0x210
[   66.749770][ T6873]  handle_bug+0x38/0x90
[   66.754972][ T6873]  ? __warn_printk+0xc6/0xf3
[   66.759561][ T6873]  exc_invalid_op+0x14/0x40
[   66.764060][ T6873]  asm_exc_invalid_op+0x12/0x20
[   66.768897][ T6873] RIP: 0010:debug_print_object+0x160/0x250
[   66.774698][ T6873] Code: dd a0 4a 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 4a 94 88 48 c7 c7 00 40 94 88 e8 0b 09 a5 fd <0f> 0b 83 05 c3 52 1b 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
[   66.794319][ T6873] RSP: 0018:ffffc9000531f570 EFLAGS: 00010086
[   66.800398][ T6873] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
[   66.808359][ T6873] RDX: ffff88809381c380 RSI: ffffffff815da447 RDI: fffff52000a63ea0
[   66.816323][ T6873] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae620f8b
[   66.824283][ T6873] R10: 0000000000000000 R11: 203a47554245444f R12: ffffffff89c73cc0
[   66.832258][ T6873] R13: ffffffff8163b030 R14: ffff888090d5a200 R15: 1ffff92000a63eb9
[   66.840237][ T6873]  ? calc_wheel_index+0x3f0/0x3f0
[   66.845281][ T6873]  ? vprintk_func+0x97/0x1a6
[   66.849873][ T6873]  debug_object_assert_init+0x1f4/0x2e0
[   66.855410][ T6873]  ? find_held_lock+0x2d/0x110
[   66.860159][ T6873]  ? debug_object_init_on_stack+0x20/0x20
[   66.865862][ T6873]  ? __queue_work+0x61a/0xf20
[   66.870524][ T6873]  ? lock_downgrade+0x830/0x830
[   66.875557][ T6873]  del_timer+0x6d/0x110
[   66.879716][ T6873]  ? detach_if_pending+0x4d0/0x4d0
[   66.884813][ T6873]  ? __queue_work+0x63c/0xf20
[   66.889473][ T6873]  ? lockdep_hardirqs_off+0x89/0xc0
[   66.894657][ T6873]  ? trace_hardirqs_off+0x76/0x210
[   66.899761][ T6873]  cancel_delayed_work+0xe0/0x450
[   66.904784][ T6873]  ? mod_delayed_work_on+0x2e0/0x2e0
[   66.910062][ T6873]  ? lockdep_hardirqs_on+0x76/0xf0
[   66.915169][ T6873]  ? queue_delayed_work_on+0x12f/0x210
[   66.920617][ T6873]  l2cap_chan_del+0x541/0x1300
[   66.926171][ T6873]  l2cap_chan_close+0x118/0xb10
[   66.931106][ T6873]  ? l2cap_retransmit_all+0x760/0x760
[   66.936513][ T6873]  ? __mutex_unlock_slowpath+0xe2/0x610
[   66.942055][ T6873]  ? mark_held_locks+0x9f/0xe0
[   66.946823][ T6873]  ? wait_for_completion+0x260/0x260
[   66.952092][ T6873]  ? lockdep_hardirqs_on_prepare+0x354/0x530
[   66.958054][ T6873]  ? l2cap_sock_shutdown+0x2c4/0xe90
[   66.963327][ T6873]  ? trace_hardirqs_on+0x5f/0x220
[   66.968350][ T6873]  l2cap_sock_shutdown+0x3b8/0xe90
[   66.973464][ T6873]  ? lock_acquire+0x1f1/0xad0
[   66.978137][ T6873]  ? bt_sock_unlink+0x1d/0x1c0
[   66.983245][ T6873]  ? l2cap_sock_suspend_cb+0x80/0x80
[   66.988518][ T6873]  ? find_held_lock+0x2d/0x110
[   66.993325][ T6873]  ? l2cap_sock_release+0x56/0x1d0
[   66.998440][ T6873]  ? lock_downgrade+0x830/0x830
[   67.003284][ T6873]  ? do_raw_read_unlock+0x70/0x70
[   67.008401][ T6873]  l2cap_sock_release+0x63/0x1d0
[   67.013325][ T6873]  __sock_release+0xcd/0x280
[   67.017925][ T6873]  sock_close+0x18/0x20
[   67.022105][ T6873]  __fput+0x285/0x920
[   67.026085][ T6873]  ? __sock_release+0x280/0x280
[   67.030943][ T6873]  task_work_run+0xdd/0x190
[   67.036048][ T6873]  do_exit+0xb7d/0x29f0
[   67.040200][ T6873]  ? lock_acquire+0x1f1/0xad0
[   67.044868][ T6873]  ? find_held_lock+0x2d/0x110
[   67.049975][ T6873]  ? mm_update_next_owner+0x7a0/0x7a0
[   67.055341][ T6873]  ? get_signal+0x34f/0x1f00
[   67.059917][ T6873]  ? lock_downgrade+0x830/0x830
[   67.064768][ T6873]  ? lock_is_held_type+0xbb/0xf0
[   67.069695][ T6873]  do_group_exit+0x125/0x310
[   67.074703][ T6873]  get_signal+0x428/0x1f00
[   67.079117][ T6873]  ? __local_bh_enable_ip+0xd1/0x190
[   67.084401][ T6873]  arch_do_signal+0x82/0x2520
[   67.089079][ T6873]  ? l2cap_sock_recv_cb+0x1e0/0x1e0
[   67.094260][ T6873]  ? __sys_connect_file+0x4e/0x1a0
[   67.099363][ T6873]  ? copy_siginfo_to_user32+0xa0/0xa0
[   67.104715][ T6873]  ? __sys_connect+0x10a/0x190
[   67.109470][ T6873]  ? __sys_connect_file+0x1a0/0x1a0
[   67.114667][ T6873]  ? exit_to_user_mode_prepare+0xb9/0x1c0
[   67.120386][ T6873]  ? lockdep_hardirqs_on_prepare+0x354/0x530
[   67.126352][ T6873]  exit_to_user_mode_prepare+0x15d/0x1c0
[   67.131985][ T6873]  syscall_exit_to_user_mode+0x59/0x2b0
[   67.137523][ T6873]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   67.143398][ T6873] RIP: 0033:0x446e39
[   67.147264][ T6873] Code: Bad RIP value.
[   67.151575][ T6873] RSP: 002b:00007ffcc05d0ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[   67.159976][ T6873] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446e39
[   67.167934][ T6873] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004
[   67.175897][ T6873] RBP: 0000000000000003 R08: 00000000000000ff R09: 00000000000000ff
[   67.183866][ T6873] R10: 0000000000000004 R11: 0000000000000246 R12: 000000000256f850
[   67.192165][ T6873] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[   67.201511][ T6873] Kernel Offset: disabled
[   67.205891][ T6873] Rebooting in 86400 seconds..