bond0: (slave wlan1): Releasing backup interface ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 15481 at net/mac80211/driver-ops.c:366 drv_unassign_vif_chanctx+0x50b/0x7e0 net/mac80211/driver-ops.c:366 Modules linked in: CPU: 0 UID: 0 PID: 15481 Comm: syz.1.2696 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:drv_unassign_vif_chanctx+0x50b/0x7e0 net/mac80211/driver-ops.c:366 Code: 8d 8d b8 09 00 00 48 85 c0 48 0f 44 f1 43 0f b6 04 3e 84 c0 0f 85 6b 02 00 00 8b 55 00 48 c7 c7 e0 28 b0 8c e8 a6 30 9b f6 90 <0f> 0b 90 90 e9 ee fc ff ff e8 97 91 d7 f6 90 0f 0b 90 42 80 7c 3d RSP: 0018:ffffc90004bf6f80 EFLAGS: 00010246 RAX: 8c48c143612f8d00 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90015105000 RSI: 00000000000286a8 RDI: 00000000000286a9 RBP: ffff888045421728 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffff8880454229d0 R13: ffff888045420d80 R14: 1ffff11008a842e5 R15: dffffc0000000000 FS: 00007efd537dc6c0(0000) GS:ffff888125c18000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb80aacccc9 CR3: 0000000075d5e000 CR4: 00000000003526f0 Call Trace: ieee80211_assign_link_chanctx+0x1ec/0xd70 net/mac80211/chan.c:916 __ieee80211_link_release_channel+0x33b/0x4a0 net/mac80211/chan.c:1890 unregister_netdevice_many_notify+0x1953/0x1ff0 net/core/dev.c:12187 unregister_netdevice_many net/core/dev.c:12229 [inline] unregister_netdevice_queue+0x33c/0x380 net/core/dev.c:12073 unregister_netdevice include/linux/netdevice.h:3385 [inline] _cfg80211_unregister_wdev+0x165/0x590 net/wireless/core.c:1275 ieee80211_if_remove+0x256/0x310 net/mac80211/iface.c:2331 ieee80211_del_iface+0x19/0x30 net/mac80211/cfg.c:237 rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline] cfg80211_remove_virtual_intf+0x231/0x3f0 net/wireless/util.c:2955 genl_family_rcv_msg_doit+0x212/0x300 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg net/socket.c:2700 [inline] __do_sys_sendmsg net/socket.c:2705 [inline] __se_sys_sendmsg net/socket.c:2703 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efd5298ebe9 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:00007efd537dc038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007efd52bb5fa0 RCX: 00007efd5298ebe9 RDX: 000000002000c000 RSI: 0000200000000200 RDI: 0000000000000006 RBP: 00007efd52a11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efd52bb6038 R14: 00007efd52bb5fa0 R15: 00007ffe83917468