nla_parse: 3 callbacks suppressed
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
device veth101 entered promiscuous mode
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 22644 Comm: syz-executor.0 Not tainted 4.19.190-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+0x1fc/0x2ef lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:728 [inline]
 register_lock_class+0xe82/0x11c0 kernel/locking/lockdep.c:754
 __lock_acquire+0x17d/0x3ff0 kernel/locking/lockdep.c:3304
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:152
Bluetooth: hci0: command 0x0406 tx timeout
 skb_dequeue+0x1c/0x180 net/core/skbuff.c:2834
 skb_queue_purge+0x21/0x30 net/core/skbuff.c:2872
 l2cap_chan_del+0x690/0xa50 net/bluetooth/l2cap_core.c:637
 l2cap_chan_close+0x1b5/0x950 net/bluetooth/l2cap_core.c:757
 l2cap_sock_shutdown+0x339/0xe10 net/bluetooth/l2cap_sock.c:1159
 l2cap_sock_release+0x77/0x290 net/bluetooth/l2cap_sock.c:1202
 __sock_release+0xcd/0x2a0 net/socket.c:579
 sock_close+0x15/0x20 net/socket.c:1140
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 get_signal+0x1b64/0x1f70 kernel/signal.c:2400
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7981a49188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffffc RBX: 000000000056c0b0 RCX: 00000000004665f9
RDX: 000000000000000e RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0b0
R13: 00007ffdcdeed6ff R14: 00007f7981a49300 R15: 0000000000022000
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
Bluetooth: hci0: command 0x0405 tx timeout
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
Bluetooth: hci0: command 0x0405 tx timeout
device veth101 entered promiscuous mode
nla_parse: 2 callbacks suppressed
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
netlink: 23 bytes leftover after parsing attributes in process `syz-executor.2'.
device veth101 entered promiscuous mode
device veth101 entered promiscuous mode
device veth101 entered promiscuous mode
device veth101 entered promiscuous mode