BUG: memory leak
unreferenced object 0xffff88810c1b04e0 (size 32):
  comm "syz-executor377", pid 7073, jiffies 4294947735 (age 20.700s)
  hex dump (first 32 bytes):
    62 72 69 64 67 65 30 00 6b 2f 37 30 37 33 00 00  bridge0.k/7073..
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000000b94ccba>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000b94ccba>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000b94ccba>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000b94ccba>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000b94ccba>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<00000000db65ab7b>] kstrdup+0x3a/0x70 mm/util.c:60
    [<000000004b727bf4>] kstrdup_const+0x48/0x60 mm/util.c:82
    [<0000000013319dab>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48
    [<000000004faa5de9>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289
    [<00000000f7c4a37e>] dev_set_name+0x63/0x90 drivers/base/core.c:2006
    [<00000000e6dfdbec>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1730
    [<0000000038ca29b6>] register_netdevice+0x397/0x610 net/core/dev.c:9086
    [<00000000ad965c1a>] br_dev_newlink+0x26/0xb0 net/bridge/br_netlink.c:1315
    [<000000000a35eb72>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3218
    [<000000005ca6d70c>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3276
    [<000000006ebc1ea9>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5245
    [<000000000044a27c>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477
    [<000000008c1fd454>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5263
    [<00000000cd3a0974>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
    [<00000000cd3a0974>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1328
    [<00000000c4819c86>] netlink_sendmsg+0x270/0x480 net/netlink/af_netlink.c:1917

BUG: memory leak
unreferenced object 0xffff88810951a3e0 (size 32):
  comm "syz-executor377", pid 7075, jiffies 4294948982 (age 8.230s)
  hex dump (first 32 bytes):
    62 72 69 64 67 65 30 00 6b 2f 37 30 37 35 00 00  bridge0.k/7075..
    e1 00 00 00 03 00 00 00 1f 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000000b94ccba>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000000b94ccba>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000000b94ccba>] slab_alloc mm/slab.c:3319 [inline]
    [<000000000b94ccba>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000000b94ccba>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<00000000db65ab7b>] kstrdup+0x3a/0x70 mm/util.c:60
    [<000000004b727bf4>] kstrdup_const+0x48/0x60 mm/util.c:82
    [<0000000013319dab>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48
    [<000000004faa5de9>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289
    [<00000000f7c4a37e>] dev_set_name+0x63/0x90 drivers/base/core.c:2006
    [<00000000e6dfdbec>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1730
    [<0000000038ca29b6>] register_netdevice+0x397/0x610 net/core/dev.c:9086
    [<00000000ad965c1a>] br_dev_newlink+0x26/0xb0 net/bridge/br_netlink.c:1315
    [<000000000a35eb72>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3218
    [<000000005ca6d70c>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3276
    [<000000006ebc1ea9>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5245
    [<000000000044a27c>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477
    [<000000008c1fd454>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5263
    [<00000000cd3a0974>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
    [<00000000cd3a0974>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1328
    [<00000000c4819c86>] netlink_sendmsg+0x270/0x480 net/netlink/af_netlink.c:1917