tests: fix out-of-bounds memory access in bytereader unit test

Caught by -fsanitize=address / libasan.

https://bugzilla.gnome.org/show_bug.cgi?id=739431

diff --git a/tests/check/libs/bytereader.c b/tests/check/libs/bytereader.c
index 471e6a64b43b772b0c1da11b9c83daaec1503403..fd4f95dc0f17cfc080ef433d4fe678f2fab5735e 100644 (file)
--- a/tests/check/libs/bytereader.c
+++ b/tests/check/libs/bytereader.c
@@ -722,7 +722,8 @@ GST_START_TEST (test_sub_reader)
   fail_unless_equals_int (gst_byte_reader_get_remaining (&sub), 13);
   fail_unless (gst_byte_reader_peek_data (&reader, 13, &data));
   fail_unless (gst_byte_reader_peek_data (&sub, 13, &sub_data));
-  fail_unless (memcmp (data, sub_data, 16) == 0);
+  fail_unless (memcmp (data, sub_data, 13) == 0);
+  fail_unless (memcmp (memdata + 3, sub_data, 13) == 0);
 
   fail_unless_equals_int (gst_byte_reader_get_remaining (&reader), 13);
   fail_unless (gst_byte_reader_peek_sub_reader (&reader, &sub, 3));