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WARNING: CPU: 1 PID: 20663 at drivers/base/core.c:2884 create_syslog_header drivers/base/core.c:2884 [inline]
WARNING: CPU: 1 PID: 20663 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: 20663 Comm: syz-executor1 Not tainted 4.15.0-rc9+ #206
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:1096
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:ffff8801c33c6df0 EFLAGS: 00010286
RAX: dffffc0000000008 RBX: ffff8801c4ddbdc0 RCX: ffffffff8159f32e
RDX: 0000000000010000 RSI: ffffc900018ec000 RDI: 0000000000000246
RBP: ffff8801c33c6f30 R08: 1ffff10038678d3b R09: 0000000000000000
R10: ffff8801c33c7018 R11: 0000000000000000 R12: 1ffff10038678dc5
R13: ffff8801ccc90a80 R14: ffff8801c33c6e48 R15: ffff8801c33c6f68
 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+0x2d5/0x4b0 net/mac80211/rate.c:978
 ieee80211_register_hw+0x1448/0x3100 net/mac80211/main.c:1094
 mac80211_hwsim_new_radio+0x1b39/0x2cd0 drivers/net/wireless/mac80211_hwsim.c:2756
 hwsim_new_radio_nl+0x67a/0x8c0 drivers/net/wireless/mac80211_hwsim.c:3213
 genl_family_rcv_msg+0x7b7/0xfb0 net/netlink/genetlink.c:599
 genl_rcv_msg+0xb2/0x140 net/netlink/genetlink.c:624
 netlink_rcv_skb+0x14b/0x380 net/netlink/af_netlink.c:2442
 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: 0033:0x452f19
RSP: 002b:00007f631b638c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452f19
RDX: 0000000000000000 RSI: 0000000020b3dfc8 RDI: 0000000000000013
RBP: 000000000000016b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f12a8
R13: 00000000ffffffff R14: 00007f631b6396d4 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..