BUG: memory leak
unreferenced object 0xffff8881218a8d00 (size 96):
  comm "syz-executor512", pid 7248, jiffies 4294944039 (age 12.900s)
  hex dump (first 32 bytes):
    40 f4 b5 21 81 88 ff ff 40 f4 b5 21 81 88 ff ff  @..!....@..!....
    60 64 c3 82 ff ff ff ff 00 70 88 21 81 88 ff ff  `d.......p.!....
  backtrace:
    [<00000000ca3c9952>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000ca3c9952>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000ca3c9952>] slab_alloc mm/slab.c:3320 [inline]
    [<00000000ca3c9952>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549
    [<000000009c36747e>] kmalloc include/linux/slab.h:556 [inline]
    [<000000009c36747e>] nft_netdev_hook_alloc+0x3f/0xd0 net/netfilter/nf_tables_api.c:1634
    [<000000005f13eef2>] nf_tables_parse_netdev_hooks+0xaa/0x220 net/netfilter/nf_tables_api.c:1683
    [<00000000e501f4e4>] nf_tables_flowtable_parse_hook net/netfilter/nf_tables_api.c:5949 [inline]
    [<00000000e501f4e4>] nf_tables_newflowtable+0x41e/0x930 net/netfilter/nf_tables_api.c:6150
    [<000000003d3a9b7a>] nfnetlink_rcv_batch+0x662/0x8c0 net/netfilter/nfnetlink.c:433
    [<00000000b835e582>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline]
    [<00000000b835e582>] nfnetlink_rcv+0x189/0x1c0 net/netfilter/nfnetlink.c:561
    [<00000000059f6ccc>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
    [<00000000059f6ccc>] netlink_unicast+0x223/0x310 net/netlink/af_netlink.c:1328
    [<00000000f03634c4>] netlink_sendmsg+0x2c0/0x570 net/netlink/af_netlink.c:1917
    [<000000003120c8b4>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<000000003120c8b4>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<000000002416926f>] ____sys_sendmsg+0x2d0/0x300 net/socket.c:2330
    [<00000000714650b7>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<000000008e737a1f>] __sys_sendmsg+0x80/0xf0 net/socket.c:2417
    [<000000009a4a7988>] __do_sys_sendmsg net/socket.c:2426 [inline]
    [<000000009a4a7988>] __se_sys_sendmsg net/socket.c:2424 [inline]
    [<000000009a4a7988>] __x64_sys_sendmsg+0x23/0x30 net/socket.c:2424
    [<00000000a37143ae>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000007e9134a6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9