[ 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. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts. syzkaller login: [ 60.370245][ T6998] IPVS: ftp: loaded support on port[0] = 21 executing program [ 63.533043][ T12] Bluetooth: hci0: command 0x0409 tx timeout [ 65.612026][ T12] Bluetooth: hci0: command 0x041b tx timeout [ 66.482191][ T7025] ------------[ cut here ]------------ [ 66.488071][ T7025] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 66.497964][ T7025] WARNING: CPU: 0 PID: 7025 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 66.507401][ T7025] Kernel panic - not syncing: panic_on_warn set ... [ 66.513981][ T7025] CPU: 0 PID: 7025 Comm: syz-executor598 Not tainted 5.8.0-rc6-syzkaller #0 [ 66.522638][ T7025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.532676][ T7025] Call Trace: [ 66.536214][ T7025] dump_stack+0x18f/0x20d [ 66.540615][ T7025] panic+0x2e3/0x75c [ 66.544499][ T7025] ? __warn_printk+0xf3/0xf3 [ 66.549074][ T7025] ? console_unlock+0x7f0/0xf30 [ 66.553906][ T7025] ? __warn.cold+0x5/0x45 [ 66.558231][ T7025] ? __warn+0xd6/0x1f2 [ 66.562316][ T7025] ? debug_print_object+0x160/0x250 [ 66.567528][ T7025] __warn.cold+0x20/0x45 [ 66.571781][ T7025] ? wake_up_klogd.part.0+0x8c/0xc0 [ 66.576994][ T7025] ? debug_print_object+0x160/0x250 [ 66.582218][ T7025] report_bug+0x1bd/0x210 [ 66.586573][ T7025] handle_bug+0x38/0x90 [ 66.590796][ T7025] exc_invalid_op+0x13/0x40 [ 66.595305][ T7025] asm_exc_invalid_op+0x12/0x20 [ 66.600169][ T7025] RIP: 0010:debug_print_object+0x160/0x250 [ 66.605996][ T7025] Code: dd 40 ac 93 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 40 ac 93 88 48 c7 c7 a0 a1 93 88 e8 c2 81 a9 fd <0f> 0b 83 05 4b 3c 14 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 66.625609][ T7025] RSP: 0018:ffffc90001737578 EFLAGS: 00010082 [ 66.631685][ T7025] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 66.640174][ T7025] RDX: ffff888095004040 RSI: ffffffff815d3fe7 RDI: fffff520002e6ea1 [ 66.648125][ T7025] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae620fcb [ 66.656103][ T7025] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bcc240 [ 66.664118][ T7025] R13: ffffffff8162fee0 R14: ffff88809ab28200 R15: 1ffff920002e6eba [ 66.672252][ T7025] ? calc_wheel_index+0x230/0x230 [ 66.677258][ T7025] ? vprintk_func+0x97/0x1a6 [ 66.681836][ T7025] ? debug_print_object+0x160/0x250 [ 66.687017][ T7025] debug_object_assert_init+0x1f4/0x2e0 [ 66.692541][ T7025] ? find_held_lock+0x2d/0x110 [ 66.697313][ T7025] ? debug_object_init_on_stack+0x20/0x20 [ 66.703028][ T7025] ? __queue_work+0x653/0xff0 [ 66.707703][ T7025] ? lock_downgrade+0x820/0x820 [ 66.712550][ T7025] del_timer+0x6d/0x110 [ 66.719826][ T7025] ? detach_if_pending+0x4a0/0x4a0 [ 66.725006][ T7025] ? __queue_work+0x675/0xff0 [ 66.729693][ T7025] ? lockdep_hardirqs_off+0x66/0xa0 [ 66.734958][ T7025] ? trace_hardirqs_off+0x76/0x210 [ 66.740052][ T7025] cancel_delayed_work+0xe0/0x450 [ 66.745071][ T7025] ? mod_delayed_work_on+0x2e0/0x2e0 [ 66.751550][ T7025] ? lockdep_hardirqs_on+0x6a/0xe0 [ 66.756639][ T7025] ? queue_delayed_work_on+0x12f/0x210 [ 66.762077][ T7025] l2cap_chan_del+0x541/0x1300 [ 66.766819][ T7025] l2cap_chan_close+0x118/0xb10 [ 66.771648][ T7025] ? l2cap_retransmit_all+0x760/0x760 [ 66.776999][ T7025] ? __mutex_unlock_slowpath+0xe2/0x610 [ 66.782526][ T7025] ? rwlock_bug.part.0+0x90/0x90 [ 66.787441][ T7025] ? wait_for_completion+0x260/0x260 [ 66.792707][ T7025] ? __local_bh_enable_ip+0x159/0x250 [ 66.798074][ T7025] ? l2cap_sock_shutdown+0x2c4/0xe90 [ 66.803335][ T7025] ? trace_hardirqs_on+0x5f/0x220 [ 66.808343][ T7025] l2cap_sock_shutdown+0x3b8/0xe90 [ 66.813436][ T7025] ? lock_acquire+0x1f1/0xad0 [ 66.818152][ T7025] ? bt_sock_unlink+0x1d/0x1c0 [ 66.822940][ T7025] ? l2cap_sock_suspend_cb+0x80/0x80 [ 66.828208][ T7025] ? find_held_lock+0x2d/0x110 [ 66.832952][ T7025] ? l2cap_sock_release+0x56/0x1d0 [ 66.838044][ T7025] ? lock_downgrade+0x820/0x820 [ 66.843912][ T7025] ? do_raw_read_unlock+0x70/0x70 [ 66.848919][ T7025] ? __sock_release+0x280/0x280 [ 66.853750][ T7025] l2cap_sock_release+0x63/0x1d0 [ 66.858666][ T7025] ? __sock_release+0x280/0x280 [ 66.863843][ T7025] __sock_release+0xcd/0x280 [ 66.868416][ T7025] sock_close+0x18/0x20 [ 66.872550][ T7025] __fput+0x33c/0x880 [ 66.876573][ T7025] task_work_run+0xdd/0x190 [ 66.881060][ T7025] do_exit+0xb7d/0x29f0 [ 66.885205][ T7025] ? lock_acquire+0x1f1/0xad0 [ 66.889912][ T7025] ? find_held_lock+0x2d/0x110 [ 66.894657][ T7025] ? mm_update_next_owner+0x7a0/0x7a0 [ 66.900009][ T7025] ? get_signal+0x332/0x1ee0 [ 66.904584][ T7025] ? lock_downgrade+0x820/0x820 [ 66.909414][ T7025] ? lock_is_held_type+0xb0/0xe0 [ 66.914333][ T7025] do_group_exit+0x125/0x310 [ 66.918901][ T7025] get_signal+0x40b/0x1ee0 [ 66.923340][ T7025] ? __local_bh_enable_ip+0x159/0x250 [ 66.928695][ T7025] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 66.933875][ T7025] do_signal+0x82/0x2520 [ 66.938094][ T7025] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 66.943268][ T7025] ? __sys_connect_file+0x4e/0x1a0 [ 66.948357][ T7025] ? copy_siginfo_to_user32+0xa0/0xa0 [ 66.954138][ T7025] ? __sys_connect_file+0x1a0/0x1a0 [ 66.959318][ T7025] ? lock_is_held_type+0xb0/0xe0 [ 66.964261][ T7025] ? __prepare_exit_to_usermode+0xcc/0x1f0 [ 66.970196][ T7025] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 66.976185][ T7025] __prepare_exit_to_usermode+0x156/0x1f0 [ 66.981912][ T7025] do_syscall_64+0x6c/0xe0 [ 66.986310][ T7025] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.992180][ T7025] RIP: 0033:0x446d69 [ 66.996072][ T7025] Code: Bad RIP value. [ 67.000114][ T7025] RSP: 002b:00007ffdfb873aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 67.008499][ T7025] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446d69 [ 67.016469][ T7025] RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000004 [ 67.024443][ T7025] RBP: 00007ffdfb873ae0 R08: 0000000000000000 R09: 00000000000000ff [ 67.032390][ T7025] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000004 [ 67.040340][ T7025] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.049793][ T7025] Kernel Offset: disabled [ 67.054194][ T7025] Rebooting in 86400 seconds..