fixes

1 files changed, 5 insertions, 0 deletions

diff --git a/src/util/bio.c b/src/util/bio.c
index 102d3df50..e1085faa6 100644
--- a/src/util/bio.c
+++ b/src/util/bio.c
@@ -449,6 +449,11 @@ GNUNET_BIO_write_meta_data (struct GNUNET_BIO_WriteHandle *h,
                                                GNUNET_CONTAINER_META_DATA_SERIALIZE_PART
                                                |
                                                GNUNET_CONTAINER_META_DATA_SERIALIZE_NO_COMPRESS);
+  if (size == -1)
+    {
+      GNUNET_free (buf);
+      return GNUNET_SYSERR;
+    }
   if ( (GNUNET_OK != GNUNET_BIO_write_int32 (h, (uint32_t) size)) ||
        (GNUNET_OK != GNUNET_BIO_write (h, buf, size)) )
     {