BUG: memory leak
unreferenced object 0xffff888114b05540 (size 32):
  comm "syz-executor546", pid 7083, jiffies 4294941344 (age 8.050s)
  hex dump (first 32 bytes):
    62 6f 6e 64 31 00 00 00 03 00 00 00 00 00 00 00  bond1...........
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000006a8a0c68>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000006a8a0c68>] slab_post_alloc_hook mm/slab.h:522 [inline]
    [<000000006a8a0c68>] slab_alloc mm/slab.c:3319 [inline]
    [<000000006a8a0c68>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000006a8a0c68>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<00000000ba190724>] kstrdup+0x3a/0x70 mm/util.c:53
    [<00000000e29419b6>] kstrdup_const+0x48/0x60 mm/util.c:75
    [<00000000bf778a5a>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48
    [<000000007ff0ad9c>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289
    [<00000000cf164600>] dev_set_name+0x63/0x90 drivers/base/core.c:1915
    [<00000000b35cfaf1>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1727
    [<00000000da1ef6e0>] register_netdevice+0x397/0x600 net/core/dev.c:8723
    [<0000000052493e1a>] bond_newlink drivers/net/bonding/bond_netlink.c:458 [inline]
    [<0000000052493e1a>] bond_newlink+0x41/0x80 drivers/net/bonding/bond_netlink.c:448
    [<000000003ffafc59>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3196
    [<0000000043677bda>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3254
    [<00000000d034d849>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5223
    [<000000000f89fd94>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477
    [<0000000075587499>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5241
    [<00000000cc67dfce>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
    [<00000000cc67dfce>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1328
    [<000000008aeccebe>] netlink_sendmsg+0x270/0x480 net/netlink/af_netlink.c:1917