------------[ cut here ]------------
!bss
WARNING: net/wireless/ibss.c:37 at __cfg80211_ibss_joined+0x4d5/0x580 net/wireless/ibss.c:37, CPU#2: kworker/u32:6/13644
Modules linked in:
CPU: 2 UID: 0 PID: 13644 Comm: kworker/u32:6 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: cfg80211 cfg80211_event_work
RIP: 0010:__cfg80211_ibss_joined+0x4d5/0x580 net/wireless/ibss.c:37
Code: ff ff e8 4e 4f f4 f6 90 0f 0b 90 e9 58 fe ff ff e8 90 ce 64 f7 e9 22 fc ff ff e8 26 ce 64 f7 e9 66 fc ff ff e8 2c 4f f4 f6 90 <0f> 0b 90 e9 6f fc ff ff e8 1e 4f f4 f6 90 0f 0b e8 96 ce 64 f7 e9
RSP: 0018:ffffc90004ab7ad0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88805d678ed0 RCX: 0000000000000040
RDX: ffff8880241a8000 RSI: ffffffff8b158d74 RDI: ffffffff8c401280
RBP: ffffc90004ab7b80 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88805d678000
R13: 1ffff92000956f5e R14: 0000000000000000 R15: ffffc90004ab7b10
FS:  0000000000000000(0000) GS:ffff8880d5fe7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb958feb580 CR3: 0000000027429000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 cfg80211_process_wdev_events+0x442/0x650 net/wireless/util.c:1169
 cfg80211_process_rdev_events+0x9f/0x130 net/wireless/util.c:1204
 cfg80211_event_work+0x2b/0x40 net/wireless/core.c:418
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>