1 files changed, 3 insertions, 2 deletions
diff --git a/src/H5S.c b/src/H5S.c
index 22de41f..c938a71 100644
--- a/src/H5S.c
+++ b/src/H5S.c
@@ -1655,9 +1655,10 @@ H5S_decode(const unsigned char **p)
     if (H5S_select_all(ds, FALSE) < 0)
         HGOTO_ERROR(H5E_DATASPACE, H5E_CANTSET, NULL, "unable to set all selection")
 
-    /* Decode the select part of dataspace.  I believe this part always exists. */
+    /* Decode the select part of dataspace.
+     *  Because size of buffer is unknown, assume arbitrarily large buffer to allow decoding. */
     *p = pp;
-    if (H5S_SELECT_DESERIALIZE(&ds, p) < 0)
+    if (H5S_SELECT_DESERIALIZE(&ds, p, SIZE_MAX) < 0)
         HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode space selection")
 
     /* Set return value */