Merge pull request #29377 from vespa-engine/toregge/avoid-reading-beyond-end-of-stack-dump-bufferv8.261.39

Avoid reading beyond end of stack dump buffer.

1 files changed, 6 insertions, 0 deletions

diff --git a/vespalib/src/tests/compress/compress_test.cpp b/vespalib/src/tests/compress/compress_test.cpp
index 04f71d5cc18..c4383a1c193 100644
--- a/vespalib/src/tests/compress/compress_test.cpp
+++ b/vespalib/src/tests/compress/compress_test.cpp
@@ -26,6 +26,9 @@ CompressTest::verifyPositiveNumber(uint64_t n, const uint8_t * expected, size_t
     for (size_t i(0); i < sz; i++) {
         EXPECT_EQUAL(expected[i], buf[i]);
     }
+    EXPECT_FALSE(Integer::check_decompress_positive_space(expected, 0u));
+    EXPECT_FALSE(Integer::check_decompress_positive_space(expected, sz - 1));
+    EXPECT_TRUE(Integer::check_decompress_positive_space(expected, sz));
     uint64_t v(0);
     EXPECT_EQUAL(sz, Integer::decompressPositive(v, expected));
     EXPECT_EQUAL(n, v);
@@ -39,6 +42,9 @@ CompressTest::verifyNumber(int64_t n, const uint8_t * expected, size_t sz) {
     for (size_t i(0); i < sz; i++) {
         EXPECT_EQUAL(expected[i], buf[i]);
     }
+    EXPECT_FALSE(Integer::check_decompress_space(expected, 0u));
+    EXPECT_FALSE(Integer::check_decompress_space(expected, sz - 1));
+    EXPECT_TRUE(Integer::check_decompress_space(expected, sz));
     int64_t v(0);
     EXPECT_EQUAL(sz, Integer::decompress(v, expected));
     EXPECT_EQUAL(n, v);