executing program
BUG: memory leak
unreferenced object 0xffff888122166e80 (size 96):
  comm "syz-executor656", pid 6841, jiffies 4294945453 (age 7.950s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000e8e950c4>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000e8e950c4>] slab_post_alloc_hook mm/slab.h:522 [inline]
    [<00000000e8e950c4>] slab_alloc mm/slab.c:3319 [inline]
    [<00000000e8e950c4>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<00000000a16e883f>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000a16e883f>] kzalloc include/linux/slab.h:748 [inline]
    [<00000000a16e883f>] sctp_stream_init_ext+0x2b/0xe0 net/sctp/stream.c:158
    [<000000009da55fca>] sctp_sendmsg_to_asoc+0x94a/0xa10 net/sctp/socket.c:1883
    [<000000003e2bd6e4>] sctp_sendmsg+0x2a8/0x990 net/sctp/socket.c:2103
    [<000000004c3219b4>] inet_sendmsg+0x3e/0x60 net/ipv4/af_inet.c:807
    [<000000004b917236>] sock_sendmsg_nosec net/socket.c:637 [inline]
    [<000000004b917236>] sock_sendmsg+0x54/0x70 net/socket.c:657
    [<0000000015d59673>] sock_write_iter+0xb6/0x130 net/socket.c:989
    [<000000004bb6344c>] call_write_iter include/linux/fs.h:1870 [inline]
    [<000000004bb6344c>] new_sync_write+0x1ad/0x260 fs/read_write.c:483
    [<0000000084855139>] __vfs_write+0x87/0xa0 fs/read_write.c:496
    [<000000008ee4b446>] vfs_write fs/read_write.c:558 [inline]
    [<000000008ee4b446>] vfs_write+0xee/0x210 fs/read_write.c:542
    [<000000001ce2e1c5>] ksys_write+0x7c/0x130 fs/read_write.c:611
    [<000000001fbaa4fe>] __do_sys_write fs/read_write.c:623 [inline]
    [<000000001fbaa4fe>] __se_sys_write fs/read_write.c:620 [inline]
    [<000000001fbaa4fe>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620
    [<000000005c32fc95>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<00000000f8a4c53d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9