------------[ cut here ]------------
WARNING: CPU: 1 PID: 8 at net/wireless/ibss.c:36 __cfg80211_ibss_joined+0x487/0x520 net/wireless/ibss.c:36
Modules linked in:
CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.11.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: cfg80211 cfg80211_event_work
RIP: 0010:__cfg80211_ibss_joined+0x487/0x520 net/wireless/ibss.c:36
Code: 0f 0b e9 0c fe ff ff e8 a7 ae 74 f9 e9 41 fc ff ff e8 7d ae 74 f9 e9 7d fc ff ff e8 93 ae 74 f9 e9 0d ff ff ff e8 d9 34 32 f9 <0f> 0b e9 7e fc ff ff e8 cd 34 32 f9 0f 0b e8 86 ae 74 f9 e9 e4 fb
RSP: 0018:ffffc90000cefbd8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888037d80bd0 RCX: 0000000000000000
RDX: ffff888010e92200 RSI: ffffffff88409737 RDI: 0000000000000000
RBP: ffff888037d80000 R08: 0000000000000001 R09: ffffffff8ed3f807
R10: fffffbfff1da7f00 R11: 0000000000000000 R12: 1ffff9200019df7d
R13: ffff88801c9bc718 R14: 0000000000000000 R15: 0000000000000006
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f560f189740 CR3: 0000000012ba4000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 cfg80211_process_wdev_events+0x3de/0x5b0 net/wireless/util.c:977
 cfg80211_process_rdev_events+0x6e/0x100 net/wireless/util.c:1003
 cfg80211_event_work+0x1a/0x20 net/wireless/core.c:322
 process_one_work+0x98d/0x15f0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296