------------[ cut here ]------------
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:463 sta_info_insert_check net/mac80211/sta_info.c:463 [inline]
WARNING: CPU: 1 PID: 22 at net/mac80211/sta_info.c:463 sta_info_insert_rcu+0x1cf/0x1f40 net/mac80211/sta_info.c:609
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.203-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy6 ieee80211_iface_work
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x4b kernel/panic.c:547
 report_bug+0x208/0x249 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:463 [inline]
RIP: 0010:sta_info_insert_rcu+0x1cf/0x1f40 net/mac80211/sta_info.c:609
RSP: 0018:ffff8880b55ffad8 EFLAGS: 00010297
RAX: ffff8880b55ee5c0 RBX: ffff8880589b9a80 RCX: 0000000091c0c979
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880589bab4c
RBP: ffff88805a15a7c0 R08: 0000000000000000 R09: 000000000004063e
R10: ffff8880b55eeec0 R11: ffff8880b55ee5c0 R12: 0000000091c0cffb
R13: 0000000000000001 R14: ffff88805966a048 R15: ffff88805a15a808
 ieee80211_ibss_finish_sta+0x1db/0x2b0 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x260/0xc90 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x690/0x770 net/mac80211/iface.c:1383
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Kernel Offset: disabled
Rebooting in 86400 seconds..