ddidderr/zstd-rs
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fixed minor issue on decoding invalid data

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This commit is contained in:
Yann Collet
2015-08-26 22:45:23 +01:00
parent 6b5198fe3a
commit 352ab88aea
3 changed files with 6 additions and 4 deletions
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lib/zstd.c
+1 -1
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@@ -1389,7 +1389,7 @@ static void ZSTD_decodeSequence(seq_t* seq, seqState_t* seqState)
if (ZSTD_32bits()) FSE_reloadDStream(&(seqState->DStream));
nbBits = offsetCode - 1;
if (offsetCode==0) nbBits = 0; /* cmove */
offset = ((size_t)1 << nbBits) + FSE_readBits(&(seqState->DStream), nbBits);
offset = ((size_t)1 << (nbBits & ((sizeof(offset)*8)-1))) + FSE_readBits(&(seqState->DStream), nbBits);
if (ZSTD_32bits()) FSE_reloadDStream(&(seqState->DStream));
if (offsetCode==0) offset = prevOffset;
}