executing program
BUG: memory leak
unreferenced object 0xffff888121f06380 (size 64):
  comm "syz-executor110", pid 7043, jiffies 4295031061 (age 13.950s)
  hex dump (first 32 bytes):
    21 4e 00 00 00 00 00 00 00 00 00 00 00 00 00 00  !N..............
    88 c7 3d 17 82 88 ff ff 00 00 00 00 00 00 00 00  ..=.............
  backtrace:
    [<0000000048a98fce>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000048a98fce>] slab_post_alloc_hook mm/slab.h:522 [inline]
    [<0000000048a98fce>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000048a98fce>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483
    [<000000003f3ccadd>] sctp_bucket_create net/sctp/socket.c:8374 [inline]
    [<000000003f3ccadd>] sctp_get_port_local+0x189/0x5b0 net/sctp/socket.c:8121
    [<00000000b620a775>] sctp_do_bind+0xcc/0x1e0 net/sctp/socket.c:402
    [<000000000bb1200e>] sctp_bind+0x44/0x70 net/sctp/socket.c:302
    [<0000000043026330>] inet6_bind+0x40/0xb7 net/ipv6/af_inet6.c:441
    [<00000000dab51bfd>] __sys_bind+0x11c/0x140 net/socket.c:1647
    [<00000000b1105b32>] __do_sys_bind net/socket.c:1658 [inline]
    [<00000000b1105b32>] __se_sys_bind net/socket.c:1656 [inline]
    [<00000000b1105b32>] __x64_sys_bind+0x1e/0x30 net/socket.c:1656
    [<00000000da9ec015>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:296
    [<000000008273fe3f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9