MonetDB: Jul2012 - Prevent out-of-bounds access.

[Sjoerd Mullender]

Changeset: 3093ce80bcf8 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=3093ce80bcf8
Modified Files:
        monetdb5/optimizer/opt_pipes.c
Branch: Jul2012
Log Message:

Prevent out-of-bounds access.
Found by coverity.


diffs (13 lines):

diff --git a/monetdb5/optimizer/opt_pipes.c b/monetdb5/optimizer/opt_pipes.c
--- a/monetdb5/optimizer/opt_pipes.c
+++ b/monetdb5/optimizer/opt_pipes.c
@@ -679,6 +679,9 @@ addOptimizerPipe(Client cntxt, MalBlkPtr
                if (strcmp(pipes[i].name, name) == 0)
                        break;
 
+       if (i == MAXOPTPIPES)
+               throw(MAL, "optimizer.addOptimizerPipe", "Out of slots");;
+
        if (pipes[i].mb == NULL)
                msg = compileOptimizer(cntxt, name);
 
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