2020/01/18 21:16:01 executed programs: 23
BUG: memory leak
unreferenced object 0xffff88810c48ee00 (size 256):
  comm "syz-executor.7", pid 7156, jiffies 4294953657 (age 14.570s)
  hex dump (first 32 bytes):
    07 00 00 00 00 00 00 00 70 84 e3 82 ff ff ff ff  ........p.......
    61 0b a1 38 00 00 00 00 00 f3 5e 0c 81 88 ff ff  a..8......^.....
  backtrace:
    [<000000008da1a298>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000008da1a298>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000008da1a298>] slab_alloc_node mm/slab.c:3263 [inline]
    [<000000008da1a298>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593
    [<00000000bda7ef73>] __do_kmalloc_node mm/slab.c:3615 [inline]
    [<00000000bda7ef73>] __kmalloc_node+0x38/0x50 mm/slab.c:3623
    [<000000000c944875>] kmalloc_node include/linux/slab.h:579 [inline]
    [<000000000c944875>] sock_hash_alloc_elem net/core/sock_map.c:643 [inline]
    [<000000000c944875>] sock_hash_update_common+0x314/0x580 net/core/sock_map.c:697
    [<0000000059dcf276>] sock_hash_update_elem+0xf0/0x130 net/core/sock_map.c:746
    [<000000008541dff9>] map_update_elem kernel/bpf/syscall.c:1006 [inline]
    [<000000008541dff9>] __do_sys_bpf+0x1a85/0x1f50 kernel/bpf/syscall.c:3018
    [<0000000003252453>] __se_sys_bpf kernel/bpf/syscall.c:2989 [inline]
    [<0000000003252453>] __x64_sys_bpf+0x1e/0x30 kernel/bpf/syscall.c:2989
    [<00000000e99dfd0d>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<0000000039073513>] entry_SYSCALL_64_after_hwframe+0x44/0xa9