------------[ cut here ]------------
WARNING: CPU: 0 PID: 25 at net/mac80211/ibss.c:504 ieee80211_ibss_csa_beacon+0x5f9/0x740 net/mac80211/ibss.c:504
Modules linked in:
CPU: 0 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy9 ieee80211_csa_finalize_work
RIP: 0010:ieee80211_ibss_csa_beacon+0x5f9/0x740 net/mac80211/ibss.c:504
Code: ff e8 ab 23 a8 00 31 ff 89 c5 89 c6 e8 e0 23 18 f9 85 ed 0f 85 77 fa ff ff e8 83 1d 18 f9 0f 0b e9 6b fa ff ff e8 77 1d 18 f9 <0f> 0b 41 bd ea ff ff ff e9 e1 fd ff ff e8 f5 4b 5b f9 e9 82 fa ff
RSP: 0018:ffffc90000e17c50 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801e038c00 RCX: 0000000000000000
RDX: ffff8880118b22c0 RSI: ffffffff885b0859 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000001 R09: ffffffff8fa9f98f
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88801e0398f0 R14: ffff888038de0d00 R15: ffff88801e039248
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3d031c718 CR3: 000000000bc8e000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_set_after_csa_beacon net/mac80211/cfg.c:3124 [inline]
 __ieee80211_csa_finalize+0x504/0xbf0 net/mac80211/cfg.c:3180
 ieee80211_csa_finalize net/mac80211/cfg.c:3203 [inline]
 ieee80211_csa_finalize_work+0x131/0x170 net/mac80211/cfg.c:3228
 process_one_work+0x98d/0x1600 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:294