------------[ cut here ]------------
WARNING: CPU: 0 PID: 8 at net/mac80211/sta_info.c:547 sta_info_insert_check+0x48/0xc4 net/mac80211/sta_info.c:547
Modules linked in:
CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.11.0-syzkaller #0
Hardware name: linux,dummy-virt (DT)
Workqueue: phy17 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 : ffff800014563bf0
x29: ffff800014563bf0 x28: f0ff000004818000 
x27: f9ff000028de8998 x26: dead000000000100 
x25: dead000000000122 x24: f9ff000028de9340 
x23: f9ff000028de9280 x22: f9ff0000285d8800 
x21: f9ff0000285d8df0 x20: f9ff000028de8940 
x19: f7ff000028de2000 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 000004fc7c344924 x14: fbff00000b3fa098 
x13: 000000000000044b x12: f9ff000028de8940 
x11: 000000000000000c x10: 0000000000000000 
x9 : f9ff0000285dbb90 x8 : 0000000000000fff 
x7 : 0000000000000000 x6 : f9ff000028de8940 
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