BUG: memory leak
unreferenced object 0xffff88811a4e7380 (size 64):
  comm "syz-executor902", pid 6873, jiffies 4294946730 (age 8.020s)
  hex dump (first 32 bytes):
    20 4e 00 00 00 ea ff ff 00 00 00 00 00 00 00 00   N..............
    d8 e7 27 17 82 88 ff ff 00 00 00 00 00 00 00 00  ..'.............
  backtrace:
    [<0000000050f5b512>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000050f5b512>] slab_post_alloc_hook mm/slab.h:522 [inline]
    [<0000000050f5b512>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000050f5b512>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483
    [<00000000a83a03d0>] sctp_bucket_create net/sctp/socket.c:8523 [inline]
    [<00000000a83a03d0>] sctp_get_port_local+0x189/0x5a0 net/sctp/socket.c:8270
    [<000000006d97544f>] sctp_do_bind+0xcc/0x200 net/sctp/socket.c:402
    [<00000000c1eaaea9>] sctp_bind+0x44/0x70 net/sctp/socket.c:302
    [<00000000e9e00b75>] inet_bind+0x40/0xc0 net/ipv4/af_inet.c:441
    [<00000000aea9883c>] __sys_bind+0x11c/0x140 net/socket.c:1647
    [<00000000799ea45d>] __do_sys_bind net/socket.c:1658 [inline]
    [<00000000799ea45d>] __se_sys_bind net/socket.c:1656 [inline]
    [<00000000799ea45d>] __x64_sys_bind+0x1e/0x30 net/socket.c:1656
    [<00000000f555fbab>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<00000000d87a68ee>] entry_SYSCALL_64_after_hwframe+0x44/0xa9