From: Augustin Degomme <degomme@idpann.imag.fr>
Date: Thu, 11 Apr 2013 09:02:03 +0000 (+0200)
Subject: try not to copy from outside of an array
X-Git-Tag: v3_9_90~412^2~11
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/def940c56dde95a61d9ca67677ee73547c541ff9?ds=sidebyside

try not to copy from outside of an array
---

diff --git a/src/smpi/colls/reduce-scatter-gather.c b/src/smpi/colls/reduce-scatter-gather.c
index 280e3e8f3f..2c61d48f65 100644
--- a/src/smpi/colls/reduce-scatter-gather.c
+++ b/src/smpi/colls/reduce-scatter-gather.c
@@ -41,7 +41,7 @@ int smpi_coll_tuned_reduce_scatter_gather(void *sendbuf, void *recvbuf,
     send_ptr = (void *) xbt_malloc(new_count * extent);
     recv_ptr = (void *) xbt_malloc(new_count * extent);
     tmp_buf = (void *) xbt_malloc(new_count * extent);
-    memcpy(send_ptr, sendbuf, extent * new_count);
+    memcpy(send_ptr, sendbuf, extent * count);
 
     //if ((rank != root))
     smpi_mpi_sendrecv(send_ptr, new_count, datatype, rank, tag,