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: 0 PID: 16242 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: ffff8880b524c6c0 task.stack: ffff88809d2f8000 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:ffff88809d2ff530 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc900071c6000 RDX: 0000000000000000 RSI: ffffffff86dae840 RDI: 0000000000000004 RBP: ffff88809d2ff6d8 R08: 0000000000000001 R09: ffff88809d2ff560 R10: ffff88809d2ff58f R11: ffff8880b524c6c0 R12: 1ffff11013a5fea6 R13: 0000000000000000 R14: ffff888058b50ec8 R15: 0000000000000000 FS: 00007f842ef1f700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000014a53ad CR3: 000000003ee7a000 CR4: 00000000001406f0 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_del_llsec_key+0x1c5/0x2e0 net/ieee802154/nl802154.c:1635 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: 0033:0x4665d9 RSP: 002b:00007f842ef1f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9 RDX: 0000000000000010 RSI: 0000000020000840 RDI: 0000000000000004 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffede5dc0ff R14: 00007f842ef1f300 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: ffff88809d2ff530 RIP: ieee802154_llsec_parse_dev_addr+0x275/0x320 net/ieee802154/nl802154.c:1328 RSP: ffff88809d2ff530 ---[ end trace 11c037cd7b95cf85 ]---