general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 3 PID: 11286 Comm: syz-executor.1 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 07 dd e3 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:ffffc90029a4f480 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffffc90029a4f588 RCX: ffffc9000e131000
RDX: 0000000000000000 RSI: ffffffff888f5a69 RDI: 0000000000000004
RBP: ffffc90029a4f660 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff888f5a26 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92005349e90 R14: ffff888019968c00 R15: ffffc90029a4f680
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f54fbb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000815acf8 CR3: 0000000072475000 CR4: 0000000000150ee0
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_32_irqs_on arch/x86/entry/common.c:77 [inline]
 __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:139
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:164
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7f01549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f54fb5fc EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace c490201d1a2cdc72 ]---
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 07 dd e3 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:ffffc90029a4f480 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffffc90029a4f588 RCX: ffffc9000e131000
RDX: 0000000000000000 RSI: ffffffff888f5a69 RDI: 0000000000000004
RBP: ffffc90029a4f660 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff888f5a26 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92005349e90 R14: ffff888019968c00 R15: ffffc90029a4f680
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f54fbb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000815acf8 CR3: 0000000072475000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400