------------[ cut here ]------------
!bss
WARNING: net/wireless/ibss.c:37 at __cfg80211_ibss_joined+0x3da/0x450, CPU#1: kworker/u8:3/5856
Modules linked in:
CPU: 1 UID: 0 PID: 5856 Comm: kworker/u8:3 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 c3 cc cc cc cc cc e8 e2 3e bd f6 90 0f 0b 90 eb b5 e8 d7 3e bd f6 90 <0f> 0b 90 4c 8b 6c 24 18 eb a5 e8 c7 3e bd f6 90 0f 0b 90 e9 d6 fd
RSP: 0018:ffffc90005577940 EFLAGS: 00010293
RAX: ffffffff8b0875f9 RBX: dffffc0000000000 RCX: ffff88816b981d40
RDX: 0000000000000000 RSI: ffffffff8defaba4 RDI: ffffffff8c27d100
RBP: ffffc90005577a10 R08: ffffffff9011ceb7 R09: 1ffffffff20239d6
R10: dffffc0000000000 R11: fffffbfff20239d7 R12: ffff88810edace10
R13: 1ffff92000aaef30 R14: ffff88810c0633d8 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8882a9457000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000119586000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 cfg80211_process_wdev_events+0x387/0x520
 cfg80211_process_rdev_events+0xa1/0x110
 cfg80211_event_work+0x31/0x70
 process_scheduled_works+0xb6e/0x18c0
 worker_thread+0xa53/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>
