netlink: 8 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. turning off the locking correctness validator. CPU: 0 PID: 6472 Comm: syz-executor.1 Not tainted 4.14.304-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 register_lock_class+0x389/0x1180 kernel/locking/lockdep.c:768 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 ieee802154_del_device+0x3f/0x70 net/mac802154/cfg.c:418 rdev_del_device net/ieee802154/rdev-ops.h:299 [inline] nl802154_del_llsec_dev+0x21f/0x2e0 net/ieee802154/nl802154.c:1817 genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2454 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1296 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1322 netlink_sendmsg+0x648/0xbc0 net/netlink/af_netlink.c:1893 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fef30d2b0c9 RSP: 002b:00007fef2f29d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fef30e4af80 RCX: 00007fef30d2b0c9 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 RBP: 00007fef30d86ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9f0dc75f R14: 00007fef2f29d300 R15: 0000000000022000 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nla_parse: 161 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'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nbd: must specify an index to disconnect nla_parse: 100 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. nbd: must specify at least one socket nbd: must specify at least one socket netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. nbd: must specify at least one socket