netlink: 16 bytes leftover after parsing attributes in process `syz.0.2030'. bond0: (slave wlan1): Releasing backup interface ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 1 PID: 14496 at net/mac80211/driver-ops.c:366 drv_unassign_vif_chanctx+0x50b/0x7e0 net/mac80211/driver-ops.c:366 Modules linked in: CPU: 1 UID: 0 PID: 14496 Comm: syz.0.2030 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:drv_unassign_vif_chanctx+0x50b/0x7e0 net/mac80211/driver-ops.c:366 Code: 8d 8d 48 0a 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 20 47 89 8c e8 b6 d2 cd f6 90 <0f> 0b 90 90 e9 ee fc ff ff e8 a7 b6 0a f7 90 0f 0b 90 42 80 7c 3d RSP: 0018:ffffc90010d4ef80 EFLAGS: 00010246 RAX: 605f598ef5d07b00 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000c875000 RSI: 000000000002a8a2 RDI: 000000000002a8a3 RBP: ffff8880271457b8 R08: ffff8880b8924293 R09: 1ffff11017124852 R10: dffffc0000000000 R11: ffffed1017124853 R12: ffff888027146a80 R13: ffff888027144d80 R14: 1ffff11004e28af7 R15: dffffc0000000000 FS: 00007ff0712aa6c0(0000) GS:ffff888126238000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3cff64 CR3: 000000007aab1000 CR4: 0000000000350ef0 Call Trace: ieee80211_assign_link_chanctx+0x1ec/0xd70 net/mac80211/chan.c:905 __ieee80211_link_release_channel+0x33b/0x4a0 net/mac80211/chan.c:1879 unregister_netdevice_many_notify+0x1cde/0x2390 net/core/dev.c:12305 unregister_netdevice_many net/core/dev.c:12347 [inline] unregister_netdevice_queue+0x33c/0x380 net/core/dev.c:12161 unregister_netdevice include/linux/netdevice.h:3389 [inline] _cfg80211_unregister_wdev+0x165/0x590 net/wireless/core.c:1284 ieee80211_if_remove+0x256/0x310 net/mac80211/iface.c:2334 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:2928 genl_family_rcv_msg_doit+0x215/0x300 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:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:742 ____sys_sendmsg+0x505/0x830 net/socket.c:2630 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684 __sys_sendmsg net/socket.c:2716 [inline] __do_sys_sendmsg net/socket.c:2721 [inline] __se_sys_sendmsg net/socket.c:2719 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff07038f749 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:00007ff0712aa038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff0705e5fa0 RCX: 00007ff07038f749 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000003 RBP: 00007ff070413f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff0705e6038 R14: 00007ff0705e5fa0 R15: 00007ffdad1d35b8