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: 1 PID: 27225 Comm: syz-executor.2 Not tainted 4.14.232-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809ad1e380 task.stack: ffff8880a14f8000
RIP: 0010:nla_get_le16 include/net/netlink.h:1118 [inline]
RIP: 0010:ieee802154_llsec_parse_dev_addr+0x275/0x320 net/ieee802154/nl802154.c:1328
RSP: 0018:ffff8880a14ff4b0 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc900064e6000
RDX: 0000000000000000 RSI: ffffffff86dae840 RDI: 0000000000000004
RBP: ffff8880a14ff658 R08: 0000000000000001 R09: ffff8880a14ff4e0
R10: ffff8880a14ff50f R11: ffff88809ad1e380 R12: 1ffff1101429fe96
R13: 0000000000000000 R14: ffff8880b2826e74 R15: 0000000000000000
FS:  00007f71880c6700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000014a53ad CR3: 00000000a5a83000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee802154_llsec_parse_key_id+0x2f4/0x3a0 net/ieee802154/nl802154.c:1367
 nl802154_add_llsec_key+0x27f/0x4f0 net/ieee802154/nl802154.c:1588
 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: 0033:0x4665f9
RSP: 002b:00007f71880c6188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9
RDX: 000000000004c800 RSI: 00000000200002c0 RDI: 0000000000000004
RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffd760c49af R14: 00007f71880c6300 R15: 0000000000022000
Code: 00 00 48 83 ec 80 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 30 3d 7a fa 49 8d 7f 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 67 
RIP: nla_get_le16 include/net/netlink.h:1118 [inline] RSP: ffff8880a14ff4b0
RIP: ieee802154_llsec_parse_dev_addr+0x275/0x320 net/ieee802154/nl802154.c:1328 RSP: ffff8880a14ff4b0
---[ end trace ae055957d4d86504 ]---