------------[ cut here ]------------
WARNING: CPU: 0 PID: 124 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: 124 Comm: kworker/u4:4 Not tainted 5.11.0-syzkaller #0
Hardware name: linux,dummy-virt (DT)
Workqueue: phy12 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 : ffff8000147e3bf0
x29: ffff8000147e3bf0 x28: ffff800013b54538 
x27: f1ff000028514998 x26: dead000000000100 
x25: dead000000000122 x24: f1ff000028515340 
x23: f1ff000028515280 x22: f1ff000028518800 
x21: f1ff000028518df0 x20: f1ff000028514940 
x19: f5ff000028606000 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000b0cbefb9bf9e x14: f0ff000009d45898 
x13: 000000000000044b x12: f1ff000028514940 
x11: 000000000000000c x10: 0000000000000000 
x9 : f1ff00002851bb90 x8 : 0000000000000fff 
x7 : 0000000000000000 x6 : f1ff000028514940 
x5 : 0000000000000fff x4 : 0000000000000000 
x3 : 0000000000000100 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