INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 6204 Comm: syz-executor.3 Not tainted 4.19.182-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:727 [inline]
 register_lock_class+0xe76/0x11c0 kernel/locking/lockdep.c:753
 __lock_acquire+0x17d/0x3ff0 kernel/locking/lockdep.c:3303
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3907
 __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: 0033:0x41926b
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:00007ffe361323e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 000000000041926b
RDX: ffffffffffffffbc RSI: 0000000008c9f276 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c822128
R10: 00007ffe361324d0 R11: 0000000000000293 R12: 00000000000c4508
R13: 00000000000003e8 R14: 000000000056bf60 R15: 00000000000c44f5
ipt_CLUSTERIP: Please specify destination IP
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
gfs2: can't parse mount arguments
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
gfs2: can't parse mount arguments
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting.
gfs2: can't parse mount arguments
ldm_validate_privheads(): Cannot find PRIVHEAD 1.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
 loop4: p2 < > p4
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
loop4: p4 size 2097152 extends beyond EOD, truncated
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
gfs2: can't parse mount arguments
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting.
ldm_validate_privheads(): Cannot find PRIVHEAD 1.
gfs2: statfs_percent mount option requires a numeric argument between 0 and 100
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
 loop4: p2 < > p4
gfs2: can't parse mount arguments
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
loop4: p4 size 2097152 extends beyond EOD, truncated
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting.
ldm_validate_privheads(): Cannot find PRIVHEAD 1.
ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting.
 loop4: p2 < > p4
loop4: p4 size 2097152 extends beyond EOD, truncated
ldm_validate_privheads(): Cannot find PRIVHEAD 1.
 loop3: p2 < > p4
loop3: p4 size 2097152 extends beyond EOD, truncated
ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting.
ldm_validate_privheads(): Cannot find PRIVHEAD 1.
ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting.
 loop4: p2 < > p4
ldm_validate_privheads(): Cannot find PRIVHEAD 1.
loop4: p4 size 2097152 extends beyond EOD, truncated
 loop3: p2 < > p4
loop3: p4 size 2097152 extends beyond EOD, truncated
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting.
ldm_validate_privheads(): Cannot find PRIVHEAD 1.
 loop3: p2 < > p4
loop3: p4 size 2097152 extends beyond EOD, truncated