[mpich-commits] [mpich] MPICH primary repository branch, release/mpich-3.0.x, updated. v3.0.4-3-g27dfcd8

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       via  27dfcd8ecbeeb333b39c11ba04e52e26a6e1f58f (commit)
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- Log -----------------------------------------------------------------
http://git.mpich.org/mpich.git/commitdiff/27dfcd8ecbeeb333b39c11ba04e52e26a6e1f58f

commit 27dfcd8ecbeeb333b39c11ba04e52e26a6e1f58f
Author: Pavan Balaji <balaji at mcs.anl.gov>
Date:   Tue Apr 30 21:29:23 2013 -0500

    Bug-fix for tt#1820.
    
    Bad memory allocation.  Thanks to Satish Balay for reporting it and
    working with us to reproduce and fix it.
    
    No reviewer.

diff --git a/src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c b/src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c
index 5d3693c..3fb1992 100644
--- a/src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c
+++ b/src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c
@@ -39,7 +39,10 @@ static HYD_status send_cmd_upstream(const char *start, int fd, int num_args, cha
 
     HYDU_FUNC_ENTER();
 
-    HYDU_MALLOC(tmp, char **, (2 * num_args + 1) * sizeof(char *), status);
+    /* We need two slots for each argument (one for the argument
+     * itself and one for a space character), one slot for the
+     * command, and one for the NULL character at the end. */
+    HYDU_MALLOC(tmp, char **, (2 * num_args + 2) * sizeof(char *), status);
 
     j = 0;
     tmp[j++] = HYDU_strdup(start);

-----------------------------------------------------------------------

Summary of changes:
 src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)


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