BUG: memory leak
unreferenced object 0xffff888116905a00 (size 512):
  comm "kworker/0:3", pid 2487, jiffies 4294941864 (age 55.080s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 c0 24 23 86 ff ff ff ff  .........$#.....
    40 72 d0 15 81 88 ff ff 38 85 ff ff 00 00 00 00  @r......8.......
  backtrace:
    [<ffffffff814f9fb6>] __do_kmalloc_node mm/slab_common.c:967 [inline]
    [<ffffffff814f9fb6>] __kmalloc+0x46/0x120 mm/slab_common.c:981
    [<ffffffff83b54ccf>] kmalloc include/linux/slab.h:584 [inline]
    [<ffffffff83b54ccf>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff83b54ccf>] neigh_alloc net/core/neighbour.c:476 [inline]
    [<ffffffff83b54ccf>] ___neigh_create+0xdf/0xd60 net/core/neighbour.c:661
    [<ffffffff83fa32e6>] ip6_finish_output2+0x776/0x9b0 net/ipv6/ip6_output.c:125
    [<ffffffff83fa8f90>] __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
    [<ffffffff83fa8f90>] ip6_finish_output+0x270/0x530 net/ipv6/ip6_output.c:206
    [<ffffffff83fa92f3>] NF_HOOK_COND include/linux/netfilter.h:291 [inline]
    [<ffffffff83fa92f3>] ip6_output+0xa3/0x1b0 net/ipv6/ip6_output.c:227
    [<ffffffff83fe01fe>] dst_output include/net/dst.h:444 [inline]
    [<ffffffff83fe01fe>] NF_HOOK include/linux/netfilter.h:302 [inline]
    [<ffffffff83fe01fe>] ndisc_send_skb+0x26e/0x460 net/ipv6/ndisc.c:508
    [<ffffffff83fe4b78>] ndisc_send_ns+0x68/0xc0 net/ipv6/ndisc.c:666
    [<ffffffff83fbb32b>] addrconf_dad_work+0x63b/0x8f0 net/ipv6/addrconf.c:4171
    [<ffffffff812951aa>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289
    [<ffffffff81295ac9>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2436
    [<ffffffff8129fb15>] kthread+0x125/0x160 kernel/kthread.c:376
    [<ffffffff8100224f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

BUG: memory leak
unreferenced object 0xffff8881167e6a00 (size 512):
  comm "kworker/1:9", pid 5174, jiffies 4294941864 (age 55.080s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 c0 24 23 86 ff ff ff ff  .........$#.....
    c0 66 0c 15 81 88 ff ff 38 85 ff ff 00 00 00 00  .f......8.......
  backtrace:
    [<ffffffff814f9fb6>] __do_kmalloc_node mm/slab_common.c:967 [inline]
    [<ffffffff814f9fb6>] __kmalloc+0x46/0x120 mm/slab_common.c:981
    [<ffffffff83b54ccf>] kmalloc include/linux/slab.h:584 [inline]
    [<ffffffff83b54ccf>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff83b54ccf>] neigh_alloc net/core/neighbour.c:476 [inline]
    [<ffffffff83b54ccf>] ___neigh_create+0xdf/0xd60 net/core/neighbour.c:661
    [<ffffffff83fa32e6>] ip6_finish_output2+0x776/0x9b0 net/ipv6/ip6_output.c:125
    [<ffffffff83fa8f90>] __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
    [<ffffffff83fa8f90>] ip6_finish_output+0x270/0x530 net/ipv6/ip6_output.c:206
    [<ffffffff83fa92f3>] NF_HOOK_COND include/linux/netfilter.h:291 [inline]
    [<ffffffff83fa92f3>] ip6_output+0xa3/0x1b0 net/ipv6/ip6_output.c:227
    [<ffffffff83ff51b9>] dst_output include/net/dst.h:444 [inline]
    [<ffffffff83ff51b9>] NF_HOOK include/linux/netfilter.h:302 [inline]
    [<ffffffff83ff51b9>] NF_HOOK.constprop.0+0x49/0x110 include/linux/netfilter.h:296
    [<ffffffff83ff54a4>] mld_sendpack+0x224/0x350 net/ipv6/mcast.c:1820
    [<ffffffff83ff6be5>] mld_send_initial_cr.part.0.isra.0+0x75/0x80 net/ipv6/mcast.c:2239
    [<ffffffff83ff943b>] mld_send_initial_cr net/ipv6/mcast.c:1232 [inline]
    [<ffffffff83ff943b>] mld_dad_work+0xab/0x330 net/ipv6/mcast.c:2262
    [<ffffffff812951aa>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289
    [<ffffffff81295ac9>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2436
    [<ffffffff8129fb15>] kthread+0x125/0x160 kernel/kthread.c:376
    [<ffffffff8100224f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308