BUG: memory leak
unreferenced object 0xffff88810c3370c0 (size 32):
  comm "syz-executor472", pid 7096, jiffies 4294947408 (age 36.900s)
  hex dump (first 32 bytes):
    62 72 69 64 67 65 30 00 6b 2f 37 30 39 36 00 00  bridge0.k/7096..
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000007805f653>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000007805f653>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000007805f653>] slab_alloc mm/slab.c:3319 [inline]
    [<000000007805f653>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000007805f653>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000071d2cb4c>] kstrdup+0x3a/0x70 mm/util.c:60
    [<00000000ad1c1903>] kstrdup_const+0x48/0x60 mm/util.c:82
    [<00000000c79130aa>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48
    [<00000000278cc919>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289
    [<00000000c9690664>] dev_set_name+0x63/0x90 drivers/base/core.c:2006
    [<0000000004053244>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1727
    [<00000000ba4835b9>] register_netdevice+0x397/0x610 net/core/dev.c:8781
    [<0000000005f495fe>] br_dev_newlink+0x26/0xb0 net/bridge/br_netlink.c:1315
    [<00000000e73c182e>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3196
    [<00000000d2bc08ba>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3254
    [<00000000e22808ec>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5223
    [<00000000861600ac>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477
    [<00000000cc6360f7>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5241
    [<00000000a755d24b>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
    [<00000000a755d24b>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1328
    [<000000001ce87f9c>] netlink_sendmsg+0x270/0x480 net/netlink/af_netlink.c:1917

BUG: memory leak
unreferenced object 0xffff88810c201ae0 (size 32):
  comm "syz-executor472", pid 7097, jiffies 4294947968 (age 31.300s)
  hex dump (first 32 bytes):
    62 72 69 64 67 65 30 00 6b 2f 37 30 39 37 00 00  bridge0.k/7097..
    e1 00 00 00 03 00 00 00 1f 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000007805f653>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000007805f653>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000007805f653>] slab_alloc mm/slab.c:3319 [inline]
    [<000000007805f653>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000007805f653>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000071d2cb4c>] kstrdup+0x3a/0x70 mm/util.c:60
    [<00000000ad1c1903>] kstrdup_const+0x48/0x60 mm/util.c:82
    [<00000000c79130aa>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48
    [<00000000278cc919>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289
    [<00000000c9690664>] dev_set_name+0x63/0x90 drivers/base/core.c:2006
    [<0000000004053244>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1727
    [<00000000ba4835b9>] register_netdevice+0x397/0x610 net/core/dev.c:8781
    [<0000000005f495fe>] br_dev_newlink+0x26/0xb0 net/bridge/br_netlink.c:1315
    [<00000000e73c182e>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3196
    [<00000000d2bc08ba>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3254
    [<00000000e22808ec>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5223
    [<00000000861600ac>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477
    [<00000000cc6360f7>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5241
    [<00000000a755d24b>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
    [<00000000a755d24b>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1328
    [<000000001ce87f9c>] netlink_sendmsg+0x270/0x480 net/netlink/af_netlink.c:1917