From a5dbbfaf891630fe82c8f709a7d525d0a923143b Mon Sep 17 00:00:00 2001
From: Edgar Solomonik <solomonik@inf.ethz.ch>
Date: Thu, 28 Apr 2016 19:13:53 +0200
Subject: [PATCH] fixed potential integer overflow bug in assign_keys (used by
 read_local)

---
 src/redistribution/sparse_rw.cxx | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/redistribution/sparse_rw.cxx b/src/redistribution/sparse_rw.cxx
index 1c6f6df9..12e8aaf9 100644
--- a/src/redistribution/sparse_rw.cxx
+++ b/src/redistribution/sparse_rw.cxx
@@ -188,9 +188,10 @@ namespace CTF_int {
                    char const *     vdata,
                    char *           vpairs,
                    algstrct const * sr){
-    int i, imax, act_lda, idx_offset, act_max, buf_offset;
-    int64_t p;
-    int * idx, * virt_rank, * edge_lda;  
+    int i, imax, act_lda, act_max;
+    int64_t p, idx_offset, buf_offset;
+    int * idx, * virt_rank;
+    int64_t * edge_lda;  
     if (order == 0){
       ASSERT(size <= 1);
       if (size == 1){
@@ -202,7 +203,7 @@ namespace CTF_int {
     TAU_FSTART(assign_keys);
     CTF_int::alloc_ptr(order*sizeof(int), (void**)&idx);
     CTF_int::alloc_ptr(order*sizeof(int), (void**)&virt_rank);
-    CTF_int::alloc_ptr(order*sizeof(int), (void**)&edge_lda);
+    CTF_int::alloc_ptr(order*sizeof(int64_t), (void**)&edge_lda);
     
     memset(virt_rank, 0, sizeof(int)*order);