Warning: Permanently added '10.128.0.147' (ECDSA) to the list of known hosts. syzkaller login: [ 57.741078][ T6835] IPVS: ftp: loaded support on port[0] = 21 executing program [ 60.876546][ T17] Bluetooth: hci0: command 0x0409 tx timeout [ 62.955830][ T17] Bluetooth: hci0: command 0x041b tx timeout [ 63.828188][ T6864] ------------[ cut here ]------------ [ 63.833867][ T6864] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 [ 63.843742][ T6864] WARNING: CPU: 1 PID: 6864 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 63.853255][ T6864] Kernel panic - not syncing: panic_on_warn set ... [ 63.859825][ T6864] CPU: 1 PID: 6864 Comm: syz-executor493 Not tainted 5.8.0-rc7-syzkaller #0 [ 63.868467][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.878501][ T6864] Call Trace: [ 63.881778][ T6864] dump_stack+0x18f/0x20d [ 63.886098][ T6864] panic+0x2e3/0x75c [ 63.889972][ T6864] ? __warn_printk+0xf3/0xf3 [ 63.894541][ T6864] ? console_unlock+0x7f0/0xf30 [ 63.899385][ T6864] ? __warn.cold+0x5/0x45 [ 63.903713][ T6864] ? __warn+0xd6/0x1f2 [ 63.907790][ T6864] ? debug_print_object+0x160/0x250 [ 63.912991][ T6864] __warn.cold+0x20/0x45 [ 63.917232][ T6864] ? wake_up_klogd.part.0+0x8c/0xc0 [ 63.922435][ T6864] ? debug_print_object+0x160/0x250 [ 63.927634][ T6864] report_bug+0x1bd/0x210 [ 63.931968][ T6864] handle_bug+0x38/0x90 [ 63.936122][ T6864] exc_invalid_op+0x13/0x40 [ 63.940743][ T6864] asm_exc_invalid_op+0x12/0x20 [ 63.945594][ T6864] RIP: 0010:debug_print_object+0x160/0x250 [ 63.951401][ T6864] Code: dd e0 9f 93 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 9f 93 88 48 c7 c7 40 95 93 88 e8 72 a8 a9 fd <0f> 0b 83 05 5b 06 14 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 63.971011][ T6864] RSP: 0018:ffffc90001677578 EFLAGS: 00010082 [ 63.977123][ T6864] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 63.985108][ T6864] RDX: ffff88808ddc63c0 RSI: ffffffff815d4ef7 RDI: fffff520002ceea1 [ 63.993229][ T6864] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae720fcb [ 64.001289][ T6864] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bcc540 [ 64.009237][ T6864] R13: ffffffff81630df0 R14: ffff88809e654200 R15: 1ffff920002ceeba [ 64.017190][ T6864] ? calc_wheel_index+0x230/0x230 [ 64.022724][ T6864] ? vprintk_func+0x97/0x1a6 [ 64.027293][ T6864] ? debug_print_object+0x160/0x250 [ 64.032491][ T6864] debug_object_assert_init+0x1f4/0x2e0 [ 64.038097][ T6864] ? find_held_lock+0x2d/0x110 [ 64.042837][ T6864] ? debug_object_init_on_stack+0x20/0x20 [ 64.048548][ T6864] ? __queue_work+0x653/0xff0 [ 64.053199][ T6864] ? lock_downgrade+0x820/0x820 [ 64.058635][ T6864] del_timer+0x6d/0x110 [ 64.062764][ T6864] ? detach_if_pending+0x4a0/0x4a0 [ 64.067851][ T6864] ? __queue_work+0x675/0xff0 [ 64.072503][ T6864] ? lockdep_hardirqs_off+0x66/0xa0 [ 64.077675][ T6864] ? trace_hardirqs_off+0x76/0x210 [ 64.082767][ T6864] cancel_delayed_work+0xe0/0x450 [ 64.087767][ T6864] ? mod_delayed_work_on+0x2e0/0x2e0 [ 64.093025][ T6864] ? lockdep_hardirqs_on+0x6a/0xe0 [ 64.098112][ T6864] ? queue_delayed_work_on+0x12f/0x210 [ 64.103647][ T6864] l2cap_chan_del+0x541/0x1300 [ 64.108386][ T6864] l2cap_chan_close+0x118/0xb10 [ 64.113211][ T6864] ? l2cap_retransmit_all+0x760/0x760 [ 64.118557][ T6864] ? __mutex_unlock_slowpath+0xe2/0x610 [ 64.124075][ T6864] ? rwlock_bug.part.0+0x90/0x90 [ 64.128987][ T6864] ? wait_for_completion+0x260/0x260 [ 64.134258][ T6864] ? __local_bh_enable_ip+0x159/0x250 [ 64.139603][ T6864] ? l2cap_sock_shutdown+0x2c4/0xe90 [ 64.144960][ T6864] ? trace_hardirqs_on+0x5f/0x220 [ 64.149963][ T6864] l2cap_sock_shutdown+0x3b8/0xe90 [ 64.155052][ T6864] ? lock_acquire+0x1f1/0xad0 [ 64.159704][ T6864] ? bt_sock_unlink+0x1d/0x1c0 [ 64.164442][ T6864] ? l2cap_sock_suspend_cb+0x80/0x80 [ 64.169700][ T6864] ? find_held_lock+0x2d/0x110 [ 64.174439][ T6864] ? l2cap_sock_release+0x56/0x1d0 [ 64.179525][ T6864] ? lock_downgrade+0x820/0x820 [ 64.184351][ T6864] ? do_raw_read_unlock+0x70/0x70 [ 64.189358][ T6864] ? __sock_release+0x280/0x280 [ 64.194195][ T6864] l2cap_sock_release+0x63/0x1d0 [ 64.199108][ T6864] ? __sock_release+0x280/0x280 [ 64.203930][ T6864] __sock_release+0xcd/0x280 [ 64.208497][ T6864] sock_close+0x18/0x20 [ 64.212626][ T6864] __fput+0x33c/0x880 [ 64.216587][ T6864] task_work_run+0xdd/0x190 [ 64.221063][ T6864] do_exit+0xb72/0x2a40 [ 64.225193][ T6864] ? lock_acquire+0x1f1/0xad0 [ 64.229844][ T6864] ? find_held_lock+0x2d/0x110 [ 64.234582][ T6864] ? mm_update_next_owner+0x7a0/0x7a0 [ 64.239925][ T6864] ? get_signal+0x332/0x1ee0 [ 64.244493][ T6864] ? lock_downgrade+0x820/0x820 [ 64.249321][ T6864] ? lock_is_held_type+0xb0/0xe0 [ 64.254237][ T6864] do_group_exit+0x125/0x310 [ 64.258822][ T6864] get_signal+0x40b/0x1ee0 [ 64.263213][ T6864] ? __local_bh_enable_ip+0x159/0x250 [ 64.268574][ T6864] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 64.273747][ T6864] do_signal+0x82/0x2520 [ 64.277964][ T6864] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 64.283138][ T6864] ? __sys_connect_file+0x4e/0x1a0 [ 64.288225][ T6864] ? copy_siginfo_to_user32+0xa0/0xa0 [ 64.293569][ T6864] ? __sys_connect_file+0x1a0/0x1a0 [ 64.298741][ T6864] ? vmacache_update+0xce/0x140 [ 64.303570][ T6864] ? __prepare_exit_to_usermode+0xcc/0x1f0 [ 64.309351][ T6864] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.315318][ T6864] __prepare_exit_to_usermode+0x156/0x1f0 [ 64.321019][ T6864] do_syscall_64+0x6c/0xe0 [ 64.325422][ T6864] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.331291][ T6864] RIP: 0033:0x446d69 [ 64.335165][ T6864] Code: Bad RIP value. [ 64.339201][ T6864] RSP: 002b:00007ffe0aefde98 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 64.347584][ T6864] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446d69 [ 64.355618][ T6864] RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000004 [ 64.363663][ T6864] RBP: 00007ffe0aefded0 R08: 0000000000000000 R09: 00000000000000ff [ 64.371606][ T6864] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000004 [ 64.379554][ T6864] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.388868][ T6864] Kernel Offset: disabled [ 64.393234][ T6864] Rebooting in 86400 seconds..