------------[ cut here ]------------
WARNING: CPU: 1 PID: 5640 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: 5640 Comm: kworker/u4:5 Not tainted 5.11.0-syzkaller-11646-g5695e5161974 #0
Hardware name: linux,dummy-virt (DT)
Workqueue: phy11 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 : ffff80001738bbf0
x29: ffff80001738bbf0 x28: ffff800013bb54c8 
x27: f3ff00000b934998 x26: dead000000000100 
x25: dead000000000122 x24: f3ff00000b935340 
x23: f3ff00000b935280 x22: fbff000025d10820 
x21: fbff000025d10e18 x20: f3ff00000b934940 
x19: f1ff000025ffe000 x18: 0000000000000001 
x17: 0000000000000000 x16: 0000000000000000 
x15: ffff800012720258 x14: f1ff00000a753300 
x13: 0000000000000010 x12: f3ff00000b934940 
x11: 000000000000000c 
x10: 0000000000000000 
x9 : fbff000025d14a70 x8 : 0000000000000fff 
x7 : 0000000000000000 x6 : f3ff00000b934940 
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:1461
 process_one_work+0x1d8/0x364 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