rt on port[0] = 21
BUG: memory leak
unreferenced object 0xffff888102801180 (size 96):
  comm "syz-executor.1", pid 7501, jiffies 4294949276 (age 16.390s)
  hex dump (first 32 bytes):
    02 00 00 00 00 00 00 00 a0 bd bb 82 ff ff ff ff  ................
    00 00 00 00 00 00 00 00 50 a9 bb 82 ff ff ff ff  ........P.......
  backtrace:
    [<00000000852bf40d>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000852bf40d>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000852bf40d>] slab_alloc_node mm/slab.c:3269 [inline]
    [<00000000852bf40d>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
    [<000000003abccbc3>] __do_kmalloc_node mm/slab.c:3619 [inline]
    [<000000003abccbc3>] __kmalloc_node+0x38/0x50 mm/slab.c:3627
    [<00000000bdb62cd7>] kmalloc_node include/linux/slab.h:590 [inline]
    [<00000000bdb62cd7>] kvmalloc_node+0x4a/0xd0 mm/util.c:431
    [<00000000a79f7103>] kvmalloc include/linux/mm.h:648 [inline]
    [<00000000a79f7103>] kvzalloc include/linux/mm.h:656 [inline]
    [<00000000a79f7103>] allocate_hook_entries_size+0x3b/0x60 net/netfilter/core.c:61
    [<00000000f6542a4c>] nf_hook_entries_grow+0xae/0x270 net/netfilter/core.c:128
    [<00000000deda34a6>] __nf_register_net_hook+0x9a/0x170 net/netfilter/core.c:337
    [<0000000063888324>] nf_register_net_hook+0x34/0xc0 net/netfilter/core.c:464
    [<000000000dc3dc62>] nf_register_net_hooks+0x53/0xc0 net/netfilter/core.c:480
    [<00000000b5112488>] __ip_vs_init+0xe8/0x170 net/netfilter/ipvs/ip_vs_core.c:2280
    [<00000000bc49346d>] ops_init+0x4c/0x140 net/core/net_namespace.c:130
    [<00000000b47a9c5f>] setup_net+0xde/0x230 net/core/net_namespace.c:316
    [<0000000010c40255>] copy_net_ns+0xf0/0x1e0 net/core/net_namespace.c:439
    [<000000005f373233>] create_new_namespaces+0x141/0x2a0 kernel/nsproxy.c:103
    [<00000000b92517fd>] copy_namespaces+0xa1/0xe0 kernel/nsproxy.c:161
    [<00000000e5ff4675>] copy_process.part.0+0x11fd/0x2150 kernel/fork.c:2035
    [<0000000008d6d937>] copy_process kernel/fork.c:1800 [inline]
    [<0000000008d6d937>] _do_fork+0x121/0x4f0 kernel/fork.c:2369

BUG: memory leak
unreferenced object 0xffff888101635e80 (size 96):
  comm "syz-executor.1", pid 7501, jiffies 4294949308 (age 16.070s)
  hex dump (first 32 bytes):
    02 00 00 00 00 00 00 00 c0 a9 bb 82 ff ff ff ff  ................
    00 00 00 00 00 00 00 00 a0 bd bb 82 ff ff ff ff  ................
  backtrace:
    [<00000000852bf40d>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000852bf40d>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000852bf40d>] slab_alloc_node mm/slab.c:3269 [inline]
    [<00000000852bf40d>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
    [<000000003abccbc3>] __do_kmalloc_node mm/slab.c:3619 [inline]
    [<000000003abccbc3>] __kmalloc_node+0x38/0x50 mm/slab.c:3627
    [<00000000bdb62cd7>] kmalloc_node include/linux/slab.h:590 [inline]
    [<00000000bdb62cd7>] kvmalloc_node+0x4a/0xd0 mm/util.c:431
    [<00000000a79f7103>] kvmalloc include/linux/mm.h:648 [inline]
    [<00000000a79f7103>] kvzalloc include/linux/mm.h:656 [inline]
    [<00000000a79f7103>] allocate_hook_entries_size+0x3b/0x60 net/netfilter/core.c:61
    [<00000000bebdfa79>] __nf_hook_entries_try_shrink+0xbd/0x190 net/netfilter/core.c:248
    [<00000000ea8d9d29>] __nf_unregister_net_hook+0x12f/0x1b0 net/netfilter/core.c:416
    [<0000000074d7a3cd>] nf_unregister_net_hook+0x32/0x70 net/netfilter/core.c:431
    [<000000008661510f>] nf_unregister_net_hooks+0x3d/0x50 net/netfilter/core.c:499
    [<00000000421eec2e>] selinux_nf_unregister+0x22/0x30 security/selinux/hooks.c:7106
    [<00000000cc8d2f36>] ops_exit_list.isra.0+0x4c/0x80 net/core/net_namespace.c:154
    [<000000000d7ea194>] setup_net+0x14a/0x230 net/core/net_namespace.c:333
    [<0000000010c40255>] copy_net_ns+0xf0/0x1e0 net/core/net_namespace.c:439
    [<000000005f373233>] create_new_namespaces+0x141/0x2a0 kernel/nsproxy.c:103
    [<00000000b92517fd>] copy_namespaces+0xa1/0xe0 kernel/nsproxy.c:161
    [<00000000e5ff4675>] copy_process.part.0+0x11fd/0x2150 kernel/fork.c:2035
    [<0000000008d6d937>] copy_process kernel/fork.c:1800 [inline]
    [<0000000008d6d937>] _do_fork+0x121/0x4f0 kernel/fork.c:2369

BUG: memory leak
unreferenced object 0xffff888101635c80 (size 96):
  comm "syz-executor.1", pid 7501, jiffies 4294949308 (age 16.070s)
  hex dump (first 32 bytes):
    02 00 00 00 00 00 00 00 e0 bd bb 82 ff ff ff ff  ................
    00 00 00 00 00 00 00 00 90 a9 bb 82 ff ff ff ff  ................
  backtrace:
    [<00000000852bf40d>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000852bf40d>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000852bf40d>] slab_alloc_node mm/slab.c:3269 [inline]
    [<00000000852bf40d>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
    [<000000003abccbc3>] __do_kmalloc_node mm/slab.c:3619 [inline]
    [<000000003abccbc3>] __kmalloc_node+0x38/0x50 mm/slab.c:3627
    [<00000000bdb62cd7>] kmalloc_node include/linux/slab.h:590 [inline]
    [<00000000bdb62cd7>] kvmalloc_node+0x4a/0xd0 mm/util.c:431
    [<00000000a79f7103>] kvmalloc include/linux/mm.h:648 [inline]
    [<00000000a79f7103>] kvzalloc include/linux/mm.h:656 [inline]
    [<00000000a79f7103>] allocate_hook_entries_size+0x3b/0x60 net/netfilter/core.c:61
    [<00000000bebdfa79>] __nf_hook_entries_try_shrink+0xbd/0x190 net/netfilter/core.c:248
    [<00000000ea8d9d29>] __nf_unregister_net_hook+0x12f/0x1b0 net/netfilter/core.c:416
    [<0000000074d7a3cd>] nf_unregister_net_hook+0x32/0x70 net/netfilter/core.c:431
    [<000000008661510f>] nf_unregister_net_hooks+0x3d/0x50 net/netfilter/core.c:499
    [<00000000421eec2e>] selinux_nf_unregister+0x22/0x30 security/selinux/hooks.c:7106
    [<00000000cc8d2f36>] ops_exit_list.isra.0+0x4c/0x80 net/core/net_namespace.c:154
    [<000000000d7ea194>] setup_net+0x14a/0x230 net/core/net_namespace.c:333
    [<0000000010c40255>] copy_net_ns+0xf0/0x1e0 net/core/net_namespace.c:439
    [<000000005f373233>] create_new_namespaces+0x141/0x2a0 kernel/nsproxy.c:103
    [<00000000b92517fd>] copy_namespaces+0xa1/0xe0 kernel/nsproxy.c:161
    [<00000000e5ff4675>] copy_process.part.0+0x11fd/0x2150 kernel/fork.c:2035
    [<0000000008d6d937>] copy_process kernel/fork.c:1800 [inline]
    [<0000000008d6d937>] _do_fork+0x121/0x4f0 kernel/fork.c:2369