BUG: memory leak
unreferenced object 0xffff8881046884c0 (size 64):
  comm "syz-executor.5", pid 7461, jiffies 4294957767 (age 9.500s)
  hex dump (first 32 bytes):
    fc 0f 1a 16 fe 15 ca b6 09 85 68 04 81 88 ff ff  ..........h.....
    0b af 43 c3 00 00 00 00 80 29 92 02 81 88 ff ff  ..C......)......
  backtrace:
    [<00000000932716d1>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000932716d1>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000932716d1>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000932716d1>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593
    [<00000000360f1125>] __do_kmalloc_node mm/slab.c:3615 [inline]
    [<00000000360f1125>] __kmalloc_node+0x38/0x50 mm/slab.c:3623
    [<00000000dfa4f29e>] kmalloc_node include/linux/slab.h:578 [inline]
    [<00000000dfa4f29e>] sock_hash_alloc_elem net/core/sock_map.c:646 [inline]
    [<00000000dfa4f29e>] sock_hash_update_common+0x314/0x570 net/core/sock_map.c:700
    [<00000000c9702ea6>] sock_hash_update_elem+0x100/0x140 net/core/sock_map.c:749
    [<00000000a1f2eca8>] bpf_map_update_value.isra.0+0x14d/0x300 kernel/bpf/syscall.c:168
    [<000000005a8fb319>] map_update_elem kernel/bpf/syscall.c:1089 [inline]
    [<000000005a8fb319>] __do_sys_bpf+0x19dc/0x1e50 kernel/bpf/syscall.c:3384
    [<00000000bc0b8755>] __se_sys_bpf kernel/bpf/syscall.c:3355 [inline]
    [<00000000bc0b8755>] __x64_sys_bpf+0x1e/0x30 kernel/bpf/syscall.c:3355
    [<00000000bafc224f>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<00000000b0efbf4c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9