bond0: (slave wlan1): Releasing backup interface ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10684 at net/mac80211/chan.c:2016 ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2016 Modules linked in: CPU: 0 PID: 10684 Comm: kworker/u4:30 Not tainted 6.1.147-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+0x150/0x180 net/mac80211/chan.c:2016 Code: 7c 2d 00 00 74 08 48 89 df e8 ac b8 30 f8 bf 18 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 45 e6 7e 00 e8 10 9c e0 f7 <0f> 0b eb c5 48 c7 c1 64 80 1f 8e 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0018:ffffc9000e9276e8 EFLAGS: 00010293 RAX: ffffffff89a02ad0 RBX: ffff888068f195a8 RCX: ffff8880307ad940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c3e976 R10: fffffbfff1c3e976 R11: 1ffffffff1c3e975 R12: ffff888068f1aae0 R13: 1ffff1100d1e32b5 R14: ffff888068f1a258 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fce4c10f4cb CR3: 000000000c88e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unregister_netdevice_many+0x12ab/0x1840 net/core/dev.c:10995 ieee80211_remove_interfaces+0x429/0x6d0 net/mac80211/iface.c:2382 ieee80211_unregister_hw+0x59/0x290 net/mac80211/main.c:1478 mac80211_hwsim_del_radio+0x270/0x450 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x581/0x640 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x6f0/0xb80 net/core/net_namespace.c:640 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295