INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 8112 Comm: syz-executor.4 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
 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
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
 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: 0033:0x41940b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffc8b9a4600 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 000000000041940b
RDX: ffffffffffffffbc RSI: 0000000008c9f4bf RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2db22130
R10: 00007ffc8b9a46f0 R11: 0000000000000293 R12: 00000000000c489a
R13: 00000000000003e8 R14: 000000000056bf60 R15: 00000000000c488c
IPVS: set_ctl: invalid protocol: 33 172.30.1.5:20001
IPVS: set_ctl: invalid protocol: 33 172.30.1.5:20001
IPVS: set_ctl: invalid protocol: 33 172.30.1.5:20001
IPVS: set_ctl: invalid protocol: 33 172.30.1.5:20001
IPVS: set_ctl: invalid protocol: 33 172.30.1.5:20001
IPVS: set_ctl: invalid protocol: 33 172.30.1.2:20001
IPVS: set_ctl: invalid protocol: 33 172.30.1.3:20001
Cannot find add_set index 0 as target
IPVS: set_ctl: invalid protocol: 33 172.30.1.2:20001
squashfs: SQUASHFS error: unable to read xattr id index table
IPVS: set_ctl: invalid protocol: 33 172.30.1.3:20001
Cannot find add_set index 0 as target
squashfs: SQUASHFS error: unable to read xattr id index table
IPVS: set_ctl: invalid protocol: 33 172.30.1.3:20001
IPVS: set_ctl: invalid protocol: 33 172.30.1.2:20001
Cannot find add_set index 0 as target
Cannot find add_set index 0 as target
squashfs: SQUASHFS error: unable to read xattr id index table
squashfs: SQUASHFS error: unable to read xattr id index table
Cannot find add_set index 0 as target
Cannot find add_set index 0 as target
Cannot find add_set index 0 as target
Cannot find add_set index 0 as target
squashfs: SQUASHFS error: unable to read xattr id index table
Cannot find add_set index 0 as target
squashfs: SQUASHFS error: unable to read xattr id index table
squashfs: SQUASHFS error: unable to read xattr id index table
squashfs: SQUASHFS error: unable to read xattr id index table
Cannot find add_set index 0 as target
squashfs: SQUASHFS error: unable to read xattr id index table
squashfs: SQUASHFS error: unable to read xattr id index table
squashfs: SQUASHFS error: unable to read xattr id index table
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
squashfs: SQUASHFS error: unable to read xattr id index table
overlayfs: unrecognized mount option "18446744073709551615" or missing value
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "18446744073709551615" or missing value
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "18446744073709551615" or missing value