syzbot

IPVS: stopping master sync thread 11131 ...
bond0: (slave wlan1): Releasing backup interface
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8659 at net/mac80211/chan.c:2022 ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2022
Modules linked in:
CPU: 0 PID: 8659 Comm: kworker/u4:11 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: netns cleanup_net
RIP: 0010:ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2022
Code: 7c 2d 00 00 74 08 48 89 df e8 98 9e f0 f7 bf 60 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b1 a7 83 00 e8 8c 30 99 f7 <0f> 0b eb c5 48 c7 c1 ec 55 4a 8e 80 e1 07 80 c1 03 38 c1 0f 8c 51
RSP: 0018:ffffc900048af548 EFLAGS: 00010293
RAX: ffffffff89ec6034 RBX: ffff88804ade1598 RCX: ffff88803140da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8e4a212f R09: 1ffffffff1c94425
R10: dffffc0000000000 R11: fffffbfff1c94426 R12: ffff88804ade2c08
R13: 1ffff110095bc2b3 R14: ffff88804ade23c0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbfd2039000 CR3: 000000000cb30000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 unregister_netdevice_many_notify+0x1257/0x1810 net/core/dev.c:11106
 unregister_netdevice_many net/core/dev.c:11142 [inline]
 unregister_netdevice_queue+0x324/0x360 net/core/dev.c:11022
 unregister_netdevice include/linux/netdevice.h:3137 [inline]
 _cfg80211_unregister_wdev+0x16b/0x580 net/wireless/core.c:1215
 ieee80211_remove_interfaces+0x496/0x680 net/mac80211/iface.c:2359
 ieee80211_unregister_hw+0x5d/0x2a0 net/mac80211/main.c:1517
 mac80211_hwsim_del_radio+0x274/0x450 drivers/net/wireless/virtual/mac80211_hwsim.c:5413
 hwsim_exit_net+0x585/0x640 drivers/net/wireless/virtual/mac80211_hwsim.c:6291
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6f4/0xb90 net/core/net_namespace.c:652
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>