bond0: (slave wlan1): the permanent HWaddr of slave - 08:02:11:00:00:01 - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 2 PID: 12065 at net/mac80211/driver-ops.c:366 drv_unassign_vif_chanctx+0x247/0x850 net/mac80211/driver-ops.c:366 Modules linked in: CPU: 2 UID: 0 PID: 12065 Comm: syz.6.1820 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:drv_unassign_vif_chanctx+0x247/0x850 net/mac80211/driver-ops.c:366 Code: 74 24 10 48 81 c6 20 01 00 00 48 89 74 24 10 e8 af af ba f6 8b 54 24 04 48 8b 74 24 10 48 c7 c7 40 8d 08 8d e8 5a 55 79 f6 90 <0f> 0b 90 90 e8 90 af ba f6 4c 89 f2 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc90005a1f190 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888036ab0d80 RCX: ffffc900046f9000 RDX: 0000000000080000 RSI: ffffffff817a3365 RDI: 0000000000000001 RBP: ffff888054930e40 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888036ab2a28 R13: 0000000000000000 R14: ffff888036ab1728 R15: ffff888036ab29d0 FS: 00007f8f3e6846c0(0000) GS:ffff8880d68b9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31f63fff CR3: 000000002ab61000 CR4: 0000000000352ef0 Call Trace: ieee80211_assign_link_chanctx+0x3f1/0xf00 net/mac80211/chan.c:916 __ieee80211_link_release_channel+0x273/0x4b0 net/mac80211/chan.c:1890 ieee80211_link_release_channel+0x128/0x200 net/mac80211/chan.c:2165 unregister_netdevice_many_notify+0x141c/0x24c0 net/core/dev.c:12187 unregister_netdevice_many net/core/dev.c:12229 [inline] unregister_netdevice_queue+0x305/0x3f0 net/core/dev.c:12073 unregister_netdevice include/linux/netdevice.h:3385 [inline] _cfg80211_unregister_wdev+0x64b/0x830 net/wireless/core.c:1275 ieee80211_if_remove+0x250/0x400 net/mac80211/iface.c:2331 ieee80211_del_iface+0x16/0x20 net/mac80211/cfg.c:237 rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline] cfg80211_remove_virtual_intf+0xda/0x2a0 net/wireless/util.c:2955 nl80211_del_interface+0x106/0x190 net/wireless/nl80211.c:4671 genl_family_rcv_msg_doit+0x209/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x158/0x420 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+0x5a7/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg net/socket.c:729 [inline] ____sys_sendmsg+0xa95/0xc70 net/socket.c:2614 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2668 __sys_sendmsg+0x16d/0x220 net/socket.c:2700 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8f3d78ebe9 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:00007f8f3e684038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8f3d9b5fa0 RCX: 00007f8f3d78ebe9 RDX: 0000000002000080 RSI: 0000200000000200 RDI: 000000000000000c RBP: 00007f8f3d811e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8f3d9b6038 R14: 00007f8f3d9b5fa0 R15: 00007fff36f454c8