Validate number of steps specified in permutation

A permutation that specifies more steps than defined causes
isolationtester to crash, so avoid that.  Using less steps than defined
should probably not be a problem, but no spec currently does that.

diff --git a/src/test/isolation/isolationtester.c b/src/test/isolation/isolationtester.c
index 38f1e78dc5cab7d7d42762fb29b0365565269d0d..1d339e9c577c506c28641a9bbb4dd74ed72fd8dd 100644 (file)
--- a/src/test/isolation/isolationtester.c
+++ b/src/test/isolation/isolationtester.c
@@ -395,6 +395,12 @@ run_named_permutations(TestSpec * testspec)
        Permutation *p = testspec->permutations[i];
        Step      **steps;
 
+       if (p->nsteps != nallsteps)
+       {
+           fprintf(stderr, "invalid number of steps in permutation %d\n", i + 1);
+           exit_nicely();
+       }
+
        steps = malloc(p->nsteps * sizeof(Step *));
 
        /* Find all the named steps from the lookup table */
@@ -404,7 +410,8 @@ run_named_permutations(TestSpec * testspec)
                                         sizeof(Step *), &step_bsearch_cmp));
            if (steps[j] == NULL)
            {
-               fprintf(stderr, "undefined step \"%s\" specified in permutation\n", p->stepnames[j]);
+               fprintf(stderr, "undefined step \"%s\" specified in permutation\n",
+                       p->stepnames[j]);
                exit_nicely();
            }
        }