WARNING: CPU: 1 PID: 3654 at drivers/base/core.c:2884 create_syslog_header drivers/base/core.c:2884 [inline]
WARNING: CPU: 1 PID: 3654 at drivers/base/core.c:2884 dev_vprintk_emit+0x159/0x510 drivers/base/core.c:2894
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 3654 Comm: syzkaller443795 Not tainted 4.15.0-rc7+ #170
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:1079
RIP: 0010:create_syslog_header drivers/base/core.c:2884 [inline]
RIP: 0010:dev_vprintk_emit+0x159/0x510 drivers/base/core.c:2894
RSP: 0018:ffff8801c1d36cc8 EFLAGS: 00010286
RAX: dffffc0000000008 RBX: ffff8801bbc78980 RCX: ffffffff8159da9e
RDX: 0000000000000000 RSI: 1ffff1003786991d RDI: 0000000000000293
RBP: ffff8801c1d36e08 R08: 1ffff100383a6d2c R09: 0000000000000000
R10: ffff8801c1d36ef0 R11: 0000000000000000 R12: 1ffff100383a6da0
R13: ffff8801d5286800 R14: ffff8801c1d36d20 R15: ffff8801c1d36e40
 dev_printk_emit+0xc0/0xf0 drivers/base/core.c:2907
 __dev_printk+0xa7/0x120 drivers/base/core.c:2919
 dev_printk+0x111/0x170 drivers/base/core.c:2936
 ieee80211_init_rate_ctrl_alg+0x2d5/0x4a0 net/mac80211/rate.c:978
 ieee80211_register_hw+0x1448/0x3100 net/mac80211/main.c:1091
 mac80211_hwsim_new_radio+0x1b2e/0x2b90 drivers/net/wireless/mac80211_hwsim.c:2700
 hwsim_new_radio_nl+0x5b7/0x7c0 drivers/net/wireless/mac80211_hwsim.c:3152
 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:2408
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:635
 netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline]
 netlink_unicast+0x4ee/0x700 net/netlink/af_netlink.c:1301
 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1864
 sock_sendmsg_nosec net/socket.c:638 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:648
 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2028
 __sys_sendmsg+0xe5/0x210 net/socket.c:2062
 C_SYSC_sendmsg net/compat.c:739 [inline]
 compat_SyS_sendmsg+0x2a/0x40 net/compat.c:737
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
 entry_SYSENTER_compat+0x54/0x63 arch/x86/entry/entry_64_compat.S:129
RIP: 0023:0xf7f40c79
RSP: 002b:00000000ffb834bc EFLAGS: 00000203 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020b3dfc8
RDX: 0000000000000000 RSI: 0000000000000167 RDI: 0000000000000010
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..