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Merge pull request #3263 from daniellerozenblit/null-buffer-decompress

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ZSTD_decompressStream() fuzz fix
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daniellerozenblit
2022-09-13 10:07:35 -04:00
committed by GitHub
parent 484b9d67c6 8bb833bb5a
commit cb6dc32635
1 changed files with 3 additions and 3 deletions
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lib/decompress/zstd_decompress.c
+2 -2
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@@ -2177,11 +2177,11 @@ size_t ZSTD_decompressStream(ZSTD_DStream* zds, ZSTD_outBuffer* output, ZSTD_inB
break; break;
} }
case zdss_flush: case zdss_flush:
if (op != NULL) { {
size_t const toFlushSize = zds->outEnd - zds->outStart; size_t const toFlushSize = zds->outEnd - zds->outStart;
size_t const flushedSize = ZSTD_limitCopy(op, (size_t)(oend-op), zds->outBuff + zds->outStart, toFlushSize); size_t const flushedSize = ZSTD_limitCopy(op, (size_t)(oend-op), zds->outBuff + zds->outStart, toFlushSize);
op += flushedSize; op = op ? op + flushedSize : op;
zds->outStart += flushedSize; zds->outStart += flushedSize;
if (flushedSize == toFlushSize) { /* flush completed */ if (flushedSize == toFlushSize) { /* flush completed */