bond0: (slave wlan1): Releasing backup interface
mac80211_hwsim hwsim51 wlan1 (unregistering): left allmulticast mode
------------[ cut here ]------------
WARNING: CPU: 1 PID: 42 at net/mac80211/chan.c:2021 ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2021
Modules linked in:
CPU: 1 PID: 42 Comm: kworker/u4:2 Not tainted 6.6.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: netns cleanup_net
RIP: 0010:ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2021
Code: 7c 2d 00 00 74 08 48 89 df e8 a8 bf ea f7 bf 60 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 91 83 00 e8 8c 79 93 f7 <0f> 0b eb c5 48 c7 c1 9c b9 4a 8e 80 e1 07 80 c1 03 38 c1 0f 8c 51
RSP: 0018:ffffc90000b2f548 EFLAGS: 00010293
RAX: ffffffff89f21c04 RBX: ffff88802ef6d598 RCX: ffff888018a89e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d
R10: dffffc0000000000 R11: fffffbfff1c9509e R12: ffff88802ef6ec08
R13: 1ffff11005dedab3 R14: ffff88802ef6e3c0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555584e1c808 CR3: 0000000026ab7000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 unregister_netdevice_many_notify+0x1257/0x1810 net/core/dev.c:11094
 unregister_netdevice_many net/core/dev.c:11130 [inline]
 unregister_netdevice_queue+0x324/0x360 net/core/dev.c:11010
 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:2351
 ieee80211_unregister_hw+0x5d/0x2a0 net/mac80211/main.c:1512
 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:6290
 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>