diff options
Diffstat (limited to 'programs/fuzzer.c')
| -rw-r--r-- | programs/fuzzer.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/programs/fuzzer.c b/programs/fuzzer.c index 4b19703..56208d3 100644 --- a/programs/fuzzer.c +++ b/programs/fuzzer.c @@ -410,7 +410,14 @@ int FUZ_test(U32 seed, int nbCycles, int startCycle, double compressibility) { ret = LZ4_decompress_fast_withPrefix64k(compressedBuffer, decodedBuffer+dictSize, blockSize); FUZ_CHECKTEST(ret!=blockContinueCompressedSize, "LZ4_decompress_fast_withPrefix64k did not read all compressed block input"); crcCheck = XXH32(decodedBuffer+dictSize, blockSize, 0); - FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_fast_withPrefix64k corrupted decoded data"); + if (crcCheck!=crcOrig) + { + int i=0; + while (block[i]==decodedBuffer[i]) i++; + printf("Wrong Byte at position %i/%i\n", i, blockSize); + + } + FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_fast_withPrefix64k corrupted decoded data (dict %i)", dictSize); FUZ_DISPLAYTEST; ret = LZ4_decompress_safe_withPrefix64k(compressedBuffer, decodedBuffer+dictSize, blockContinueCompressedSize, blockSize); @@ -453,7 +460,7 @@ int FUZ_test(U32 seed, int nbCycles, int startCycle, double compressibility) { printf("Wrong Byte at position %i/%i\n", i, blockSize); } - FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_fast_usingDict corrupted decoded data"); + FUZ_CHECKTEST(crcCheck!=crcOrig, "LZ4_decompress_fast_usingDict corrupted decoded data (dict %i)", dictSize); FUZ_DISPLAYTEST; decodedBuffer[blockSize] = 0; |