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Merge pull request #2248 from kaleb-himes/ZD-5141

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Fix for potential leak on err: Thanks to Chris H. for the report
This commit is contained in:
JacobBarthelmeh
2019-05-20 16:11:40 -06:00
committed by GitHub
parent 651087ab5a 04f24881cb
commit c77b99a8a4
1 changed files with 3 additions and 1 deletions
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4
wolfcrypt/src/asn.c
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@ -4156,8 +4156,10 @@ int wc_DsaKeyToDer(DsaKey* key, byte* output, word32 inLen)
seqSz = SetSequence(verSz + intTotalLen, seq); seqSz = SetSequence(verSz + intTotalLen, seq);
outLen = seqSz + verSz + intTotalLen; outLen = seqSz + verSz + intTotalLen;
if (outLen > (int)inLen) if (outLen > (int)inLen) {
FreeTmpDsas(tmps, key->heap);
return BAD_FUNC_ARG; return BAD_FUNC_ARG;
}
/* write to output */ /* write to output */
XMEMCPY(output, seq, seqSz); XMEMCPY(output, seq, seqSz);