------------[ cut here ]------------
Have pending ack frames!
WARNING: CPU: 0 PID: 14573 at net/mac80211/main.c:1713 ieee80211_free_ack_frame+0x4c/0x60 net/mac80211/main.c:1713
Modules linked in:
CPU: 0 UID: 0 PID: 14573 Comm: kworker/u8:11 Not tainted 6.14.0-rc5-syzkaller-00214-g21e4543a2e2f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: netns cleanup_net
RIP: 0010:ieee80211_free_ack_frame+0x4c/0x60 net/mac80211/main.c:1713
Code: 00 00 00 e8 a6 31 54 fe 31 c0 5b c3 cc cc cc cc e8 69 ff 52 f6 c6 05 5a 3e b8 04 01 90 48 c7 c7 60 50 4a 8d e8 05 bc 12 f6 90 <0f> 0b 90 90 eb c9 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90
RSP: 0018:ffffc9000493f730 EFLAGS: 00010246
RAX: d88246626d1a2400 RBX: ffff88805e0cf640 RCX: ffff8880287e3c00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000493f838 R08: ffffffff81819e32 R09: fffffbfff1d3a684
R10: dffffc0000000000 R11: fffffbfff1d3a684 R12: ffffc9000493f7a0
R13: dffffc0000000000 R14: ffff88807b469530 R15: ffff888025ff5370
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000080044018 CR3: 000000005ffcc000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 idr_for_each+0x1e2/0x2d0 lib/idr.c:208
 ieee80211_free_hw+0xd0/0x480 net/mac80211/main.c:1730
 mac80211_hwsim_del_radio+0x32b/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5667
 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6544
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x812/0xd60 net/core/net_namespace.c:652
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>