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ensure that srcSize is controlled

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This commit is contained in:
Yann Collet
2024-12-20 10:37:00 -08:00
parent b339efff2b
commit ab0f1798e8
3 changed files with 68 additions and 38 deletions
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tests/fuzzer.c
+14
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@@ -3922,6 +3922,20 @@ static int basicUnitTests(U32 const seed, double compressibility)
goto _output_error;
}
/* srcSize too large: must fail */
compressedSize = ZSTD_compressSequencesAndLiterals(cctx, dst, dstCapacity, seqs, nbSeqs, litBuffer, litSize, srcSize+1);
if (!ZSTD_isError(compressedSize)) {
DISPLAY("ZSTD_compressSequencesAndLiterals() should have failed: srcSize is too large\n");
goto _output_error;
}
/* srcSize too small: must fail */
compressedSize = ZSTD_compressSequencesAndLiterals(cctx, dst, dstCapacity, seqs, nbSeqs, litBuffer, litSize, srcSize-1);
if (!ZSTD_isError(compressedSize)) {
DISPLAY("ZSTD_compressSequencesAndLiterals() should have failed: srcSize is too small\n");
goto _output_error;
}
/* correct amount of literals: should compress successfully */
compressedSize = ZSTD_compressSequencesAndLiterals(cctx, dst, dstCapacity, seqs, nbSeqs, litBuffer, litSize, srcSize);
if (ZSTD_isError(compressedSize)) {