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Merge pull request #2075 from bimbashrestha/dict_fuzzer_ref

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[bug] handling case where prefix is NULL or 0 sized in refPrefix_advanced
This commit is contained in:
Bimba Shrestha
2020-04-07 17:37:19 -05:00
committed by GitHub
parent dde98d833d 1658ae75cd
commit c0d4b2b5a3
2 changed files with 21 additions and 8 deletions
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lib/compress/zstd_compress.c
+5 -3
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@@ -945,9 +945,11 @@ size_t ZSTD_CCtx_refPrefix_advanced(
{
RETURN_ERROR_IF(cctx->streamStage != zcss_init, stage_wrong);
ZSTD_clearAllDicts(cctx);
cctx->prefixDict.dict = prefix;
cctx->prefixDict.dictSize = prefixSize;
cctx->prefixDict.dictContentType = dictContentType;
if (prefix != NULL && prefixSize > 0) {
cctx->prefixDict.dict = prefix;
cctx->prefixDict.dictSize = prefixSize;
cctx->prefixDict.dictContentType = dictContentType;
}
return 0;
}