------------[ cut here ]------------
WARNING: CPU: 1 PID: 101 at net/mac80211/offchannel.c:404 ieee80211_start_next_roc+0x24c/0x2c0 net/mac80211/offchannel.c:404
Modules linked in:
CPU: 1 UID: 0 PID: 101 Comm: kworker/u32:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_start_next_roc+0x24c/0x2c0 net/mac80211/offchannel.c:404
Code: 7b 40 e8 27 7d db ff 48 83 c4 10 5b 5d e9 5c 11 f9 f6 e8 57 11 f9 f6 48 89 df e8 4f 5f ff ff e9 40 ff ff ff e8 45 11 f9 f6 90 <0f> 0b 90 e9 32 ff ff ff 48 c7 c7 54 9e 60 90 e8 f0 89 60 f7 e9 db
RSP: 0018:ffffc9000170fa60 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802a338e40 RCX: ffffffff8ac20686
RDX: ffff888022408000 RSI: ffffffff8ac207bb RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88802a33a8c0 R14: ffff88802a338e40 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880d6f60000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce28aa000 CR3: 000000000df82000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __ieee80211_scan_completed+0x4fb/0xe40 net/mac80211/scan.c:528
 ieee80211_scan_work+0x3f1/0x2030 net/mac80211/scan.c:1184
 cfg80211_wiphy_work+0x2c4/0x580 net/wireless/core.c:435
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263
 process_scheduled_works kernel/workqueue.c:3346 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>