kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 16514 Comm: syz-executor.1 Not tainted 4.19.192-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:nla_get_le16 include/net/netlink.h:1118 [inline]
RIP: 0010:ieee802154_llsec_parse_dev_addr+0x2b0/0x370 net/ieee802154/nl802154.c:1328
Code: 00 0f 85 d5 00 00 00 48 89 5d 08 e9 5c ff ff ff e8 f5 8a 9b f9 49 8d 7e 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 04 84 d2 75 7d 48
RSP: 0018:ffff88809b5df3b8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc90007d48000
RDX: 0000000000000000 RSI: ffffffff87c6ee3b RDI: 0000000000000004
RBP: ffff88809b5df5a0 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff110136bbe77
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809b0acb18
FS:  00007fa78bcaa700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000970004 CR3: 00000000b2a44000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee802154_llsec_parse_key_id+0x340/0x410 net/ieee802154/nl802154.c:1367
 nl802154_add_llsec_key+0x29d/0x570 net/ieee802154/nl802154.c:1588
 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:2455
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:632
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115
 __sys_sendmsg net/socket.c:2153 [inline]
 __do_sys_sendmsg net/socket.c:2162 [inline]
 __se_sys_sendmsg net/socket.c:2160 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665d9
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:00007fa78bcaa188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000020000000 RSI: 0000000020000a80 RDI: 0000000000000005
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd24066f1f R14: 00007fa78bcaa300 R15: 0000000000022000
Modules linked in:
---[ end trace 28236db61275630d ]---
RIP: 0010:nla_get_le16 include/net/netlink.h:1118 [inline]
RIP: 0010:ieee802154_llsec_parse_dev_addr+0x2b0/0x370 net/ieee802154/nl802154.c:1328
Code: 00 0f 85 d5 00 00 00 48 89 5d 08 e9 5c ff ff ff e8 f5 8a 9b f9 49 8d 7e 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 04 84 d2 75 7d 48
RSP: 0018:ffff88809b5df3b8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc90007d48000
RDX: 0000000000000000 RSI: ffffffff87c6ee3b RDI: 0000000000000004
RBP: ffff88809b5df5a0 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff110136bbe77
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809b0acb18
FS:  00007fa78bcaa700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000541198 CR3: 00000000b2a44000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400