netlink: 'syz-executor7': attribute type 9 has an invalid length.
WARNING: CPU: 0 PID: 14546 at net/wireless/core.c:549 wiphy_verify_combinations net/wireless/core.c:548 [inline]
WARNING: CPU: 0 PID: 14546 at net/wireless/core.c:549 wiphy_register+0xfc3/0x2050 net/wireless/core.c:728
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 14546 Comm: syz-executor7 Not tainted 4.15.0-rc7-next-20180115+ #97
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1085
RIP: 0010:wiphy_verify_combinations net/wireless/core.c:548 [inline]
RIP: 0010:wiphy_register+0xfc3/0x2050 net/wireless/core.c:728
RSP: 0018:ffff8801c1f47080 EFLAGS: 00010216
RAX: 0000000000010000 RBX: 000000002aa377de RCX: ffffffff85214ee3
RDX: 0000000000007b97 RSI: ffffc900018f8000 RDI: ffff8801c2f53870
RBP: ffff8801c1f47200 R08: ffffed00385ea1dd R09: ffffed00385ea1dd
R10: 0000000000000001 R11: ffffed00385ea1dc R12: ffff8801c2f53874
R13: dffffc0000000000 R14: ffff8801c2f50ee0 R15: ffff8801c2f50f10
 ieee80211_register_hw+0x1162/0x3100 net/mac80211/main.c:1041
 mac80211_hwsim_new_radio+0x1b2e/0x2b90 drivers/net/wireless/mac80211_hwsim.c:2705
 hwsim_new_radio_nl+0x5b7/0x7c0 drivers/net/wireless/mac80211_hwsim.c:3157
 genl_family_rcv_msg+0x7b7/0xfb0 net/netlink/genetlink.c:599
 genl_rcv_msg+0xb2/0x140 net/netlink/genetlink.c:624
 netlink_rcv_skb+0x224/0x470 net/netlink/af_netlink.c:2441
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:635
 netlink_unicast_kernel net/netlink/af_netlink.c:1308 [inline]
 netlink_unicast+0x4c4/0x6b0 net/netlink/af_netlink.c:1334
 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1897
 sock_sendmsg_nosec net/socket.c:630 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:640
 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2020
 __sys_sendmsg+0xe5/0x210 net/socket.c:2054
 SYSC_sendmsg net/socket.c:2065 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2061
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x452cf9
RSP: 002b:00007f90348cac58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452cf9
RDX: 0000000000000000 RSI: 0000000020b3dfc8 RDI: 0000000000000013
RBP: 00000000000002dc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2540
R13: 00000000ffffffff R14: 00007f90348cb6d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..