bond0: (slave wlan1): Releasing backup interface ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27498 at net/mac80211/chan.c:2022 ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2022 Modules linked in: CPU: 0 PID: 27498 Comm: syz.3.5542 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2022 Code: 7c 2d 00 00 74 08 48 89 df e8 88 50 d7 f7 bf 60 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 31 ae 85 00 e8 7c 21 7f f7 <0f> 0b eb c5 48 c7 c1 ac 23 8b 8e 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0018:ffffc900055670c8 EFLAGS: 00010283 RAX: ffffffff8a07fae4 RBX: ffff88805ea45598 RCX: 0000000000080000 RDX: ffffc9000d05a000 RSI: 000000000007ee49 RDI: 000000000007ee4a RBP: 0000000000000000 R08: ffffffff8e8aeeef R09: 1ffffffff1d15ddd R10: dffffc0000000000 R11: fffffbfff1d15dde R12: ffff88805ea46c08 R13: 1ffff1100bd48ab3 R14: ffff88805ea463c0 R15: dffffc0000000000 FS: 00007f10c4fee6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c4ac1 CR3: 000000007a29b000 CR4: 00000000003506f0 Call Trace: unregister_netdevice_many_notify+0x133d/0x1900 net/core/dev.c:11132 unregister_netdevice_many net/core/dev.c:11168 [inline] unregister_netdevice_queue+0x32c/0x370 net/core/dev.c:11048 unregister_netdevice include/linux/netdevice.h:3137 [inline] _cfg80211_unregister_wdev+0x16b/0x580 net/wireless/core.c:1215 ieee80211_if_remove+0x1c1/0x2c0 net/mac80211/iface.c:2300 ieee80211_del_iface+0x19/0x20 net/mac80211/cfg.c:202 rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline] cfg80211_remove_virtual_intf+0x224/0x3c0 net/wireless/util.c:2756 genl_family_rcv_msg_doit+0x211/0x310 net/netlink/genetlink.c:971 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x619/0x7a0 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x241/0x4d0 net/netlink/af_netlink.c:2545 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x751/0x8d0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x5ba/0x960 net/socket.c:2594 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2648 __sys_sendmsg net/socket.c:2677 [inline] __do_sys_sendmsg net/socket.c:2686 [inline] __se_sys_sendmsg+0x1c2/0x2b0 net/socket.c:2684 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f10c419c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f10c4fee028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f10c4415fa0 RCX: 00007f10c419c799 RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000000000000005 RBP: 00007f10c4232c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f10c4416038 R14: 00007f10c4415fa0 R15: 00007ffe0eb09ca8