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: 1 PID: 7973 Comm: syz-executor007 Not tainted 4.14.221-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a8e7e300 task.stack: ffff8880b2c20000
RIP: 0010:nla_get_u16 include/net/netlink.h:1100 [inline]
RIP: 0010:nla_get_shortaddr net/ieee802154/nl-mac.c:56 [inline]
RIP: 0010:ieee802154_llsec_parse_key_id+0x15f/0x820 net/ieee802154/nl-mac.c:567
RSP: 0018:ffff8880b2c27688 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffff8880b2c27720 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: ffff8880b2c27850 R08: 0000000000000001 R09: ffff8880b2c27720
R10: ffff8880b2c27737 R11: ffff8880a8e7e300 R12: 1ffff11016584ed1
R13: 0000000000000000 R14: ffff88823a0e3040 R15: ffffffff89ec2778
FS:  000000000065d300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000030c CR3: 0000000095435000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 llsec_remove_key net/ieee802154/nl-mac.c:904 [inline]
 ieee802154_nl_llsec_change net/ieee802154/nl-mac.c:832 [inline]
 ieee802154_llsec_del_key+0xf5/0x210 net/ieee802154/nl-mac.c:912
 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: 0033:0x43fa99
RSP: 002b:00007ffdc4666a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa99
RDX: 0000000000004054 RSI: 0000000020000440 RDI: 0000000000000004
RBP: 0000000000403500 R08: 00000000ffffffff R09: 00000000004004a0
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000403590
R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0
Code: 97 05 00 00 4d 8b 6e 30 4d 85 ed 0f 84 ce 04 00 00 e8 56 87 7c fa 49 8d 7d 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 
RIP: nla_get_u16 include/net/netlink.h:1100 [inline] RSP: ffff8880b2c27688
RIP: nla_get_shortaddr net/ieee802154/nl-mac.c:56 [inline] RSP: ffff8880b2c27688
RIP: ieee802154_llsec_parse_key_id+0x15f/0x820 net/ieee802154/nl-mac.c:567 RSP: ffff8880b2c27688
---[ end trace 056aff63b963778c ]---