wlan1: Trigger new scan to find an IBSS to join
------------[ cut here ]------------
n_ch == 0
WARNING: net/mac80211/scan.c:1245 at ieee80211_request_ibss_scan+0x800/0x9d0 net/mac80211/scan.c:1245, CPU#1: kworker/u32:2/46
Modules linked in:
CPU: 1 UID: 0 PID: 46 Comm: kworker/u32:2 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: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_request_ibss_scan+0x800/0x9d0 net/mac80211/scan.c:1245
Code: f7 e9 b3 f8 ff ff e8 8f 0c 7a f7 e9 fb fb ff ff e8 e5 0c 7a f7 e9 4a fb ff ff e8 db 0c 7a f7 e9 c0 fa ff ff e8 f1 53 0c f7 90 <0f> 0b 90 bb ea ff ff ff e9 38 fc ff ff bb f0 ff ff ff e9 2e fc ff
RSP: 0018:ffffc900007ef8f8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8afc356e
RDX: ffff888022522500 RSI: ffffffff8afc362f RDI: ffff888022522500
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000005
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88805b590f20
FS:  0000000000000000(0000) GS:ffff8880d6476000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000005840 CR3: 0000000037af5000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ieee80211_sta_find_ibss net/mac80211/ibss.c:1463 [inline]
 ieee80211_ibss_work.cold+0x21a/0x431 net/mac80211/ibss.c:1660
 ieee80211_iface_work+0xc13/0x13e0 net/mac80211/iface.c:1871
 cfg80211_wiphy_work+0x410/0x570 net/wireless/core.c:513
 process_one_work+0xa0e/0x1980 kernel/workqueue.c:3302
 process_scheduled_works kernel/workqueue.c:3385 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3466
 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>