bond0: (slave wlan1): Releasing backup interface ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5464 at net/mac80211/chan.c:2017 ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2017 Modules linked in: CPU: 1 PID: 5464 Comm: syz.1.233 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2017 Code: 7c 2d 00 00 74 08 48 89 df e8 0c 92 2f f8 bf 18 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 25 e7 7e 00 e8 90 75 df f7 <0f> 0b eb c5 48 c7 c1 24 a7 1f 8e 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0018:ffffc9000378f188 EFLAGS: 00010246 RAX: ffffffff89a15a90 RBX: ffff88807a5f55a8 RCX: 0000000000080000 RDX: ffffc900100cd000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c3ee4e R10: fffffbfff1c3ee4e R11: 1ffffffff1c3ee4d R12: ffff88807a5f6ae0 R13: 1ffff1100f4beab5 R14: ffff88807a5f6258 R15: dffffc0000000000 FS: 00007f040247f6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fea2da06fb3 CR3: 0000000018a5d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unregister_netdevice_many+0x12ab/0x1840 net/core/dev.c:11007 unregister_netdevice_queue+0x31c/0x360 net/core/dev.c:10921 unregister_netdevice include/linux/netdevice.h:3075 [inline] _cfg80211_unregister_wdev+0x177/0x590 net/wireless/core.c:1212 ieee80211_if_remove+0x1bd/0x2c0 net/mac80211/iface.c:2330 ieee80211_del_iface+0x15/0x20 net/mac80211/cfg.c:202 rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline] cfg80211_remove_virtual_intf+0x243/0x450 net/wireless/util.c:2632 genl_family_rcv_msg_doit+0x22e/0x320 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x5f2/0x780 net/netlink/genetlink.c:850 netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2511 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x89e/0xbc0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x59b/0x970 net/socket.c:2519 ___sys_sendmsg+0x21c/0x290 net/socket.c:2573 __sys_sendmsg net/socket.c:2602 [inline] __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg+0x19e/0x270 net/socket.c:2609 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f040158ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f040247f038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f04017c6180 RCX: 00007f040158ebe9 RDX: 0000000000008008 RSI: 0000200000000200 RDI: 0000000000000003 RBP: 00007f0401611e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f04017c6218 R14: 00007f04017c6180 R15: 00007ffe22c37dc8