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Fixed decompression issue with invalid data

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This commit is contained in:
Yann Collet
2016-06-11 23:26:22 +02:00
parent 37fece22e8
commit cd98f93cff
3 changed files with 15 additions and 1 deletions
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lib/decompress/huf_decompress.c
+12
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@@ -867,6 +867,18 @@ size_t HUF_decompress4X_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const
}
}
size_t HUF_decompress4X_hufOnly (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
{
/* validation checks */
if (dstSize == 0) return ERROR(dstSize_tooSmall);
if ((cSrcSize >= dstSize) || (cSrcSize <= 1)) return ERROR(corruption_detected); /* invalid */
{ U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize);
return algoNb ? HUF_decompress4X4_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) :
HUF_decompress4X2_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) ;
}
}
size_t HUF_decompress1X_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize)
{
/* validation checks */