nbd: must specify an index to disconnect nbd: must specify an index to disconnect 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: 18189 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 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 __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 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:1817 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:2463 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f24712d25a9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f246f845168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f24713f2f80 RCX: 00007f24712d25a9 RDX: 0000000020000040 RSI: 0000000020000080 RDI: 0000000000000006 RBP: 00007f247132d7b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc43d1e4f R14: 00007f246f845300 R15: 0000000000022000 netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. nbd: must specify an index to disconnect netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. nbd: must specify an index to disconnect nbd: must specify an index to disconnect netlink: 64 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. nbd: must specify an index to disconnect netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. nbd: must specify an index to disconnect netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. 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 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 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 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 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 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