------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 16622 at kernel/locking/lockdep.c:183 hlock_class kernel/locking/lockdep.c:183 [inline]
WARNING: CPU: 1 PID: 16622 at kernel/locking/lockdep.c:183 check_wait_context kernel/locking/lockdep.c:4100 [inline]
WARNING: CPU: 1 PID: 16622 at kernel/locking/lockdep.c:183 __lock_acquire+0x8ad/0x16c0 kernel/locking/lockdep.c:4376
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 16622 Comm: syz-executor.3 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xb3/0xec lib/dump_stack.c:118
 panic+0x115/0x2fa kernel/panic.c:231
 __warn.cold.13+0x20/0x25 kernel/panic.c:600
 report_bug+0xc0/0xf0 lib/bug.c:198
 handle_bug+0x35/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x13/0x60 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:hlock_class kernel/locking/lockdep.c:183 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4100 [inline]
RIP: 0010:__lock_acquire+0x8ad/0x16c0 kernel/locking/lockdep.c:4376
Code: 01 85 c0 0f 84 15 ff ff ff 8b 05 a6 f7 3f 03 85 c0 0f 85 07 ff ff ff 48 c7 c6 50 e4 e8 83 48 c7 c7 ba e0 e3 83 e8 fe 3a f9 ff <0f> 0b 31 c0 e9 20 f9 ff ff e8 85 98 e0 01 85 c0 0f 84 c9 fe ff ff
RSP: 0018:ffffc90005557c50 EFLAGS: 00010082
RAX: 0000000000000000 RBX: c82aae573424b354 RCX: 0000000000000000
RDX: 0000000080000002 RSI: ffffffff81249991 RDI: ffffffff81249a1b
RBP: ffff88810f57e400 R08: 0000000000000001 R09: 0000000000000016
R10: 00000000000040ee R11: ffffc90005557a82 R12: ffff88810f57ed10
R13: 0000000000000013 R14: ffff88810fae0a88 R15: 0000000000000001
 lock_acquire+0xd0/0x3e0 kernel/locking/lockdep.c:5005
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x55/0x70 kernel/locking/spinlock.c:159
 skb_dequeue+0x13/0x60 net/core/skbuff.c:3040
 skb_queue_purge+0x16/0x20 net/core/skbuff.c:3078
 vhci_flush+0x10/0x20 drivers/bluetooth/hci_vhci.c:314
 hci_dev_do_reset net/bluetooth/hci_core.c:1881 [inline]
 hci_dev_reset+0xc0/0x120 net/bluetooth/hci_core.c:1916
 hci_sock_ioctl+0x174/0x3e0 net/bluetooth/hci_sock.c:1035
 sock_do_ioctl+0x38/0x130 net/socket.c:1047
 sock_ioctl+0x2f1/0x3e0 net/socket.c:1198
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x7c/0xb0 fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cce9
Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f0defd6dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000001d300 RCX: 000000000045cce9
RDX: 0000000000000000 RSI: 00000000400448cb RDI: 0000000000000006
RBP: 000000000078c1c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078c18c
R13: 00007ffdf051ec5f R14: 00007f0defd6e9c0 R15: 000000000078c18c
Kernel Offset: disabled
Rebooting in 86400 seconds..