------------[ cut here ]------------
WARNING: CPU: 1 PID: 198 at net/mac80211/sta_info.c:547 sta_info_insert_check+0x48/0xc4 net/mac80211/sta_info.c:547
Modules linked in:
CPU: 1 PID: 198 Comm: kworker/u4:5 Not tainted 5.11.0-rc7-syzkaller-00084-g291009f656e8 #0
Hardware name: linux,dummy-virt (DT)
Workqueue: phy5 ieee80211_iface_work
pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=--)
pc : sta_info_insert_check+0x48/0xc4 net/mac80211/sta_info.c:547
lr : sta_info_insert_rcu+0x30/0x8c net/mac80211/sta_info.c:725
sp : ffff800014833bf0
x29: ffff800014833bf0 x28: f5ff000004818000 
x27: f6ff000027644998 x26: dead000000000100 
x25: dead000000000122 x24: f6ff000027645340 
x23: f6ff000027645280 x22: faff0000276f0800 
x21: faff0000276f0df0 x20: f6ff000027644940 
x19: fdff000028516000 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000000000000002 x14: 0000000000000001 
x13: 00000000000551d1 x12: f6ff000027644940 
x11: 000000000000000c x10: 0000000000000000 
x9 : faff0000276f3b90 x8 : 0000000000000fff 
x7 : 0000000000000000 x6 : f6ff000027644940 
x5 : 0000000000000fff x4 : 0000000000000000 
x3 : 0000000000000000 x2 : 00000000ffeeffff 
x1 : 00000000ffffffff x0 : 00000000ffeefdf7 
Call trace:
 sta_info_insert_check+0x48/0xc4 net/mac80211/sta_info.c:547
 sta_info_insert_rcu+0x30/0x8c net/mac80211/sta_info.c:725
 ieee80211_ibss_finish_sta+0x84/0x140 net/mac80211/ibss.c:592
 ieee80211_ibss_work+0xe4/0x560 net/mac80211/ibss.c:1700
 ieee80211_iface_work+0x2bc/0x340 net/mac80211/iface.c:1445
 process_one_work+0x1d8/0x360 kernel/workqueue.c:2275
 worker_thread+0x70/0x434 kernel/workqueue.c:2421
 kthread+0x174/0x180 kernel/kthread.c:292
 ret_from_fork+0x10/0x34 arch/arm64/kernel/entry.S:958