------------[ cut here ]------------
!bss
WARNING: net/wireless/ibss.c:37 at __cfg80211_ibss_joined+0x3da/0x450, CPU#0: kworker/u8:0/12
Modules linked in:
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: cfg80211 cfg80211_event_work
RIP: 0010:__cfg80211_ibss_joined+0x3da/0x450
Code: 00 00 00 75 69 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d8 d9 a9 00 cc e8 e2 9e be f6 90 0f 0b 90 eb b5 e8 d7 9e be f6 90 <0f> 0b 90 4c 8b 6c 24 18 eb a5 e8 c7 9e be f6 90 0f 0b 90 e9 d6 fd
RSP: 0018:ffffc90000117960 EFLAGS: 00010293
RAX: ffffffff8b06fed9 RBX: dffffc0000000000 RCX: ffff888102e88000
RDX: 0000000000000000 RSI: ffffffff8def4b7d RDI: ffffffff8c27b400
RBP: ffffc90000117a30 R08: ffffffff90118bb7 R09: 1ffffffff2023176
R10: dffffc0000000000 R11: fffffbfff2023177 R12: ffff88810e94cdd0
R13: 1ffff92000022f34 R14: ffff88811377b398 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88818de63000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57a599c421 CR3: 00000001093f0000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 cfg80211_process_wdev_events+0x387/0x520
 cfg80211_process_rdev_events+0xa1/0x110
 cfg80211_event_work+0x31/0x70
 process_scheduled_works+0xb02/0x1830
 worker_thread+0xa50/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
