Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. executing program [ 54.371685][ T8372] IPVS: ftp: loaded support on port[0] = 21 [ 56.408064][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 58.487311][ T2940] Bluetooth: hci0: command 0x041b tx timeout [ 59.427589][ T8402] INFO: trying to register non-static key. [ 59.434187][ T8402] The code is fine but needs lockdep annotation, or maybe [ 59.441398][ T8402] you didn't initialize this object before use? [ 59.447670][ T8402] turning off the locking correctness validator. [ 59.454195][ T8402] CPU: 0 PID: 8402 Comm: syz-executor487 Not tainted 5.12.0-rc7-syzkaller #0 [ 59.462935][ T8402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.472978][ T8402] Call Trace: [ 59.476250][ T8402] dump_stack+0x141/0x1d7 [ 59.480604][ T8402] register_lock_class+0x1077/0x1180 [ 59.485893][ T8402] ? is_dynamic_key+0x1a0/0x1a0 [ 59.490731][ T8402] ? try_to_wake_up+0x62d/0x14a0 [ 59.495682][ T8402] __lock_acquire+0x106/0x54c0 [ 59.500447][ T8402] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 59.506426][ T8402] lock_acquire+0x1ab/0x740 [ 59.510925][ T8402] ? skb_dequeue+0x1c/0x180 [ 59.515430][ T8402] ? lock_release+0x720/0x720 [ 59.520107][ T8402] ? __queue_work+0x63c/0xf00 [ 59.525189][ T8402] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 59.530937][ T8402] _raw_spin_lock_irqsave+0x39/0x50 [ 59.536480][ T8402] ? skb_dequeue+0x1c/0x180 [ 59.541170][ T8402] skb_dequeue+0x1c/0x180 [ 59.545484][ T8402] skb_queue_purge+0x21/0x30 [ 59.550054][ T8402] l2cap_chan_del+0x5f3/0xa80 [ 59.555313][ T8402] l2cap_chan_close+0x1bc/0xaf0 [ 59.560159][ T8402] ? l2cap_rx+0x1fb0/0x1fb0 [ 59.564648][ T8402] ? __mutex_unlock_slowpath+0xe2/0x610 [ 59.570172][ T8402] ? wait_for_completion_io+0x270/0x270 [ 59.575695][ T8402] ? __local_bh_enable_ip+0xa0/0x120 [ 59.580958][ T8402] l2cap_sock_shutdown+0x3e7/0x1100 [ 59.586138][ T8402] ? l2cap_sock_suspend_cb+0x80/0x80 [ 59.591404][ T8402] ? find_held_lock+0x2d/0x110 [ 59.596148][ T8402] ? l2cap_sock_release+0x65/0x200 [ 59.601252][ T8402] ? lock_downgrade+0x6e0/0x6e0 [ 59.606082][ T8402] ? do_raw_read_unlock+0x70/0x70 [ 59.611087][ T8402] l2cap_sock_release+0x72/0x200 [ 59.616003][ T8402] __sock_release+0xcd/0x280 [ 59.620570][ T8402] sock_close+0x18/0x20 [ 59.624703][ T8402] __fput+0x288/0x920 [ 59.628663][ T8402] ? __sock_release+0x280/0x280 [ 59.633506][ T8402] task_work_run+0xdd/0x1a0 [ 59.637987][ T8402] do_exit+0xbfc/0x2a60 [ 59.642137][ T8402] ? find_held_lock+0x2d/0x110 [ 59.646882][ T8402] ? mm_update_next_owner+0x7a0/0x7a0 [ 59.652234][ T8402] ? get_signal+0x337/0x2150 [ 59.656801][ T8402] ? lock_downgrade+0x6e0/0x6e0 [ 59.661630][ T8402] do_group_exit+0x125/0x310 [ 59.666204][ T8402] get_signal+0x47f/0x2150 [ 59.670596][ T8402] ? __local_bh_enable_ip+0xa0/0x120 [ 59.675861][ T8402] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 59.681573][ T8402] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 59.686763][ T8402] ? __sys_connect_file+0x4e/0x1a0 [ 59.691854][ T8402] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 59.698075][ T8402] ? copy_siginfo_to_user32+0xa0/0xa0 [ 59.703445][ T8402] ? __sys_connect_file+0x1a0/0x1a0 [ 59.708633][ T8402] exit_to_user_mode_prepare+0x148/0x250 [ 59.714246][ T8402] syscall_exit_to_user_mode+0x19/0x60 [ 59.719681][ T8402] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program [ 59.725551][ T8402] RIP: 0033:0x446079 [ 59.729416][ T8402] Code: Unable to access opcode bytes at RIP 0x44604f. [ 59.736229][ T8402] RSP: 002b:00007fffe6f44068 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 59.744629][ T8402] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446079 [ 59.752575][ T8402] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004 [ 59.760520][ T8402] RBP: 0000000000000003 R08: 000000ff004004e8 R09: 000000ff004004e8 [ 59.768468][ T8402] R10: 000000000000000c R11: 0000000000000246 R12: 0000000000d6e2b8 [ 59.776413][ T8402] R13: 0000000000000072 R14: 00007fffe6f440c0 R15: 0000000000000003 [ 60.567139][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 62.647010][ T2940] Bluetooth: hci0: command 0x0419 tx timeout executing program [ 64.726912][ T2940] Bluetooth: hci0: command 0x0405 tx timeout