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--- a/src/libstrongswan/tests/suites/test_chunk.c
+++ b/src/libstrongswan/tests/suites/test_chunk.c
@@ -117,10 +117,13 @@ START_TEST(test_chunk_clear)
}
chunk_clear(&chunk);
/* check memory area of freed chunk. We can't use ck_assert() for this
- * test directly, as it might allocate data at the freed area. */
- for (i = 0; i < 64; i++)
+ * test directly, as it might allocate data at the freed area. comparing
+ * two bytes at once reduces the chances of conflicts if memory got
+ * overwritten already */
+ for (i = 0; i < 64; i += 2)
{
- if (ptr[i] != 0 && ptr[i] == i)
+ if (ptr[i] != 0 && ptr[i] == i &&
+ ptr[i+1] != 0 && ptr[i+1] == i+1)
{
cleared = FALSE;
break;
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