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: 12692 Comm: syz-executor.1 Not tainted 4.19.193-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 hfs: type requires a 4 character value 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 hfs: unable to parse mount options __lock_acquire+0x17d/0x3ff0 kernel/locking/lockdep.c:3304 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __mutex_lock_common kernel/locking/mutex.c:938 [inline] __mutex_lock+0xd7/0x1200 kernel/locking/mutex.c:1083 ieee802154_del_device+0x3f/0x70 net/mac802154/cfg.c:418 rdev_del_device net/ieee802154/rdev-ops.h:299 [inline] nl802154_del_llsec_dev+0x23d/0x320 net/ieee802154/nl802154.c:1816 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665d9 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:00007f3c80eca188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 000000000000000a RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffddd3b08cf R14: 00007f3c80eca300 R15: 0000000000022000 hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options nla_parse: 42 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. hfs: type requires a 4 character value hfs: unable to parse mount options netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. hfs: type requires a 4 character value netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. hfs: unable to parse mount options netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. hfs: type requires a 4 character value hfs: unable to parse mount options netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. hfs: type requires a 4 character value hfs: unable to parse mount options netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. hfs: type requires a 4 character value hfs: unable to parse mount options netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options nla_parse: 23 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options hfs: type requires a 4 character value hfs: unable to parse mount options