BUG: memory leak
unreferenced object 0xffff888114bc5f00 (size 64):
  comm "syz-executor262", pid 7204, jiffies 4294941608 (age 12.370s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 08 00 00 00 01 02 00 00  ................
  backtrace:
    [<00000000de018467>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000de018467>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000de018467>] slab_alloc mm/slab.c:3320 [inline]
    [<00000000de018467>] __do_kmalloc mm/slab.c:3654 [inline]
    [<00000000de018467>] __kmalloc+0x169/0x300 mm/slab.c:3665
    [<00000000b06536d7>] kmalloc include/linux/slab.h:561 [inline]
    [<00000000b06536d7>] garp_attr_create net/802/garp.c:187 [inline]
    [<00000000b06536d7>] garp_request_join+0x132/0x1f0 net/802/garp.c:350
    [<00000000ae9f9f88>] vlan_gvrp_request_join+0x86/0x90 net/8021q/vlan_gvrp.c:34
    [<0000000000a8cd28>] vlan_dev_open+0x173/0x290 net/8021q/vlan_dev.c:290
    [<0000000035d4c3e0>] __dev_open+0x109/0x1b0 net/core/dev.c:1431
    [<00000000e2016caf>] __dev_change_flags+0x246/0x2c0 net/core/dev.c:8103
    [<000000008e48f391>] rtnl_configure_link+0x57/0x100 net/core/rtnetlink.c:2996
    [<00000000e4230c11>] __rtnl_newlink+0x8b9/0xb80 net/core/rtnetlink.c:3323
    [<000000009502bb74>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3363
    [<000000004a5c2478>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5424
    [<00000000703ccf6d>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477
    [<000000009fb3704a>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5442
    [<00000000c7158857>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
    [<00000000c7158857>] netlink_unicast+0x223/0x310 net/netlink/af_netlink.c:1328
    [<00000000d1c99b83>] netlink_sendmsg+0x2c0/0x570 net/netlink/af_netlink.c:1917
    [<000000008f164968>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<000000008f164968>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<000000004a76d2d2>] ____sys_sendmsg+0x2d0/0x300 net/socket.c:2330