general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 11047 Comm: syz-executor.2 Not tainted 5.12.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:nla_get_u16 include/net/netlink.h:1581 [inline]
RIP: 0010:nla_get_shortaddr net/ieee802154/nl-mac.c:48 [inline]
RIP: 0010:ieee802154_llsec_parse_key_id+0x17f/0x8a0 net/ieee802154/nl-mac.c:559
Code: 00 00 4d 8b 66 30 4d 85 e4 0f 84 1e 05 00 00 e8 47 d3 e2 f8 49 8d 7c 24 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 4e
RSP: 0018:ffffc900058674a0 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffffc900058675a8 RCX: ffffc90003c51000
RDX: 0000000000000000 RSI: ffffffff889065f9 RDI: 0000000000000004
RBP: ffffc90005867680 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff889065b6 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000b0ce94 R14: ffff888013e48000 R15: ffffc900058676a0
FS:  00007f6ab00cb700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6ab00ca108 CR3: 0000000070748000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 llsec_del_devkey net/ieee802154/nl-mac.c:1138 [inline]
 ieee802154_nl_llsec_change net/ieee802154/nl-mac.c:824 [inline]
 ieee802154_llsec_del_devkey+0x168/0x350 net/ieee802154/nl-mac.c:1148
 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:674
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465f69
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:00007f6ab00cb188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465f69
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00000000004bfa67 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffe23ec8e7f R14: 00007f6ab00cb300 R15: 0000000000022000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 5c0907450c5032c3 ]---
RIP: 0010:nla_get_u16 include/net/netlink.h:1581 [inline]
RIP: 0010:nla_get_shortaddr net/ieee802154/nl-mac.c:48 [inline]
RIP: 0010:ieee802154_llsec_parse_key_id+0x17f/0x8a0 net/ieee802154/nl-mac.c:559
Code: 00 00 4d 8b 66 30 4d 85 e4 0f 84 1e 05 00 00 e8 47 d3 e2 f8 49 8d 7c 24 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 4e
RSP: 0018:ffffc900058674a0 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffffc900058675a8 RCX: ffffc90003c51000
RDX: 0000000000000000 RSI: ffffffff889065f9 RDI: 0000000000000004
RBP: ffffc90005867680 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff889065b6 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000b0ce94 R14: ffff888013e48000 R15: ffffc900058676a0
FS:  00007f6ab00cb700(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f350f289000 CR3: 0000000070748000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400