------------[ cut here ]------------
WARNING: CPU: 3 PID: 8859 at net/mac80211/sta_info.c:545 sta_info_insert_check net/mac80211/sta_info.c:545 [inline]
WARNING: CPU: 3 PID: 8859 at net/mac80211/sta_info.c:545 sta_info_insert_rcu+0x274/0x2cc0 net/mac80211/sta_info.c:723
Modules linked in:
CPU: 3 PID: 8859 Comm: kworker/u16:2 Not tainted 5.14.0-rc3-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: phy21 ieee80211_iface_work
RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:545 [inline]
RIP: 0010:sta_info_insert_rcu+0x274/0x2cc0 net/mac80211/sta_info.c:723
Code: 24 e8 30 e8 fb f8 0f b6 85 50 ff ff ff 31 ff 83 e0 01 41 89 c4 89 c6 e8 5a ee fb f8 45 84 e4 0f 84 a3 00 00 00 e8 0c e8 fb f8 <0f> 0b 41 bc ea ff ff ff e8 ff e7 fb f8 4c 89 f6 4c 89 ff e8 c4 f9
RSP: 0018:ffffc90000f17970 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880429fcc00 RCX: 0000000000000000
RDX: ffff8880137c9c40 RSI: ffffffff8879a2e4 RDI: 0000000000000003
RBP: ffffc90000f17ab8 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8879a2d6 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888075d30048 R14: ffff888075d30000 R15: ffff888052428d20
FS:  0000000000000000(0000) GS:ffff88802cd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f234924f000 CR3: 000000002a220000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_ibss_finish_sta+0x212/0x390 net/mac80211/ibss.c:592
 ieee80211_ibss_work+0x2c7/0xe80 net/mac80211/ibss.c:1700
 ieee80211_iface_work+0x8dc/0xa40 net/mac80211/iface.c:1474
 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295