ddidderr/zstd-rs
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ensure that srcSize is controlled

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Yann Collet committed 2024-12-20 10:37:00 -08:00
1 parent b339efff2b
commit ab0f1798e8
3 files changed
+68 -38
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tests/fullbench.c
+2 -1
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@@ -683,7 +683,8 @@ local_convertSequences(const void* input, size_t inputSize,
(void)dst; (void)dstCapacity;
(void)payload; (void)blockSize;
return ZSTD_convertBlockSequences(g_zcc, seqs, nbSeqs, 0);
(void)ZSTD_convertBlockSequences(g_zcc, seqs, nbSeqs, 0);
return nbSeqs;
}
tests/fuzzer.c
+14
View File
@@ -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)) {