INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 10069 Comm: syz-executor.2 Not tainted 4.14.223-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 register_lock_class+0x32b/0x1320 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_add_seclevel+0x3f/0x70 net/mac802154/cfg.c:373 rdev_add_seclevel net/ieee802154/rdev-ops.h:276 [inline] nl802154_add_llsec_seclevel+0x179/0x200 net/ieee802154/nl802154.c:2107 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:2433 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 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+0x46/0xbb RIP: 0033:0x465f69 RSP: 002b:00007ff49451f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465f69 RDX: 0000000000000054 RSI: 0000000020000480 RDI: 0000000000000005 RBP: 00000000004bfa67 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc797b432f R14: 00007ff49451f300 R15: 0000000000022000 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 10069 Comm: syz-executor.2 Not tainted 4.14.223-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88807578a2c0 task.stack: ffff8880782b0000 RIP: 0010:llsec_find_seclevel net/mac802154/llsec.c:481 [inline] RIP: 0010:mac802154_llsec_seclevel_add+0xae/0x480 net/mac802154/llsec.c:500 RSP: 0018:ffff8880782b7688 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffc900088f4000 RDX: 0000000000040000 RSI: ffffffff86dceb33 RDI: ffff8880aa90df10 RBP: ffff8880782b7728 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: ffff88807578a2c0 R12: dffffc0000000000 R13: 0000000000000010 R14: ffff8880aa90df80 R15: 0000000000000002 FS: 00007ff49451f700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001c1f708 CR3: 000000007639e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee802154_add_seclevel+0x4e/0x70 net/mac802154/cfg.c:374 rdev_add_seclevel net/ieee802154/rdev-ops.h:276 [inline] nl802154_add_llsec_seclevel+0x179/0x200 net/ieee802154/nl802154.c:2107 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:2433 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 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+0x46/0xbb RIP: 0033:0x465f69 RSP: 002b:00007ff49451f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465f69 RDX: 0000000000000054 RSI: 0000000020000480 RDI: 0000000000000005 RBP: 00000000004bfa67 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc797b432f R14: 00007ff49451f300 R15: 0000000000022000 Code: 49 bc 00 00 00 00 00 fc ff df 48 89 44 24 10 48 c1 e8 03 4c 01 e0 48 89 44 24 18 e8 fd 35 78 fa 4c 8d 6b 10 4c 89 e8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 06 0f 8e f7 02 00 00 44 38 7b 10 0f 85 RIP: llsec_find_seclevel net/mac802154/llsec.c:481 [inline] RSP: ffff8880782b7688 RIP: mac802154_llsec_seclevel_add+0xae/0x480 net/mac802154/llsec.c:500 RSP: ffff8880782b7688 ---[ end trace 13b3910230d89b3a ]---