BUG: memory leak
unreferenced object 0xffff8881176d3a00 (size 256):
  comm "syz-executor.6", pid 7346, jiffies 4294950038 (age 10.230s)
  hex dump (first 32 bytes):
    09 00 00 00 00 00 00 00 10 de d8 82 ff ff ff ff  ................
    61 0b a1 38 00 00 00 00 c0 b2 c1 17 81 88 ff ff  a..8............
  backtrace:
    [<00000000ef4f43d2>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000ef4f43d2>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000ef4f43d2>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000ef4f43d2>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593
    [<00000000105cbb2a>] __do_kmalloc_node mm/slab.c:3615 [inline]
    [<00000000105cbb2a>] __kmalloc_node+0x38/0x50 mm/slab.c:3623
    [<00000000a5b4094c>] kmalloc_node include/linux/slab.h:579 [inline]
    [<00000000a5b4094c>] sock_hash_alloc_elem net/core/sock_map.c:646 [inline]
    [<00000000a5b4094c>] sock_hash_update_common+0x314/0x570 net/core/sock_map.c:700
    [<00000000546c1d32>] sock_hash_update_elem+0x100/0x140 net/core/sock_map.c:749
    [<000000004bdf4bd4>] bpf_map_update_value.isra.0+0x14d/0x300 kernel/bpf/syscall.c:168
    [<00000000d37b4c4a>] map_update_elem kernel/bpf/syscall.c:1089 [inline]
    [<00000000d37b4c4a>] __do_sys_bpf+0x19dc/0x1e50 kernel/bpf/syscall.c:3384
    [<0000000063d0a70a>] __se_sys_bpf kernel/bpf/syscall.c:3355 [inline]
    [<0000000063d0a70a>] __x64_sys_bpf+0x1e/0x30 kernel/bpf/syscall.c:3355
    [<000000009d809a6e>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000005f2e099d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9