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Miscellaneous fixes for sanitizer

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This commit is contained in:
Lealem Amedie
2023-05-23 13:51:46 -06:00
parent 9d01411857
commit 5613109fae
4 changed files with 16 additions and 6 deletions
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6
src/internal.c
View File

@ -15951,6 +15951,12 @@ static int DoHandShakeMsg(WOLFSSL* ssl, byte* input, word32* inOutIdx,
return PARSE_ERROR;
}
if (size > MAX_HANDSHAKE_SZ) {
WOLFSSL_MSG("Handshake message too large");
WOLFSSL_ERROR_VERBOSE(HANDSHAKE_SIZE_ERROR);
return HANDSHAKE_SIZE_ERROR;
}
return DoHandShakeMsgType(ssl, input, inOutIdx, type, size, totalSz);
}

12
wolfcrypt/src/dh.c
View File

@ -2706,11 +2706,13 @@ int wc_DhCmpNamedKey(int name, int noQ,
goodName = 0;
}
cmp = goodName && (pSz == pCmpSz) && (gSz == gCmpSz) &&
(noQ || ((qCmp != NULL) && (qSz == qCmpSz) &&
XMEMCMP(q, qCmp, qCmpSz) == 0)) &&
(XMEMCMP(p, pCmp, pCmpSz) == 0) &&
(XMEMCMP(g, gCmp, gCmpSz) == 0);
if (goodName) {
cmp = (pSz == pCmpSz) && (gSz == gCmpSz) &&
(noQ || ((qCmp != NULL) && (qSz == qCmpSz) &&
XMEMCMP(q, qCmp, qCmpSz) == 0)) &&
(XMEMCMP(p, pCmp, pCmpSz) == 0) &&
(XMEMCMP(g, gCmp, gCmpSz) == 0);
}
return cmp;
}

2
wolfcrypt/src/hmac.c
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@ -1290,6 +1290,8 @@ int wolfSSL_GetHmacMaxSize(void)
return ret;
}
XMEMSET(tmp, 0, WC_MAX_DIGEST_SIZE);
while (outIdx < outSz) {
word32 tmpSz = (n == 1) ? 0 : hashSz;
word32 left = outSz - outIdx;

2
wolfcrypt/src/sp_int.c
View File

@ -17770,7 +17770,7 @@ int sp_tohex(const sp_int* a, char* str)
d = a->dp[i];
#ifndef WC_DISABLE_RADIX_ZERO_PAD
/* Find highest non-zero byte in most-significant word. */
for (j = SP_WORD_SIZE - 8; j >= 0; j -= 8) {
for (j = SP_WORD_SIZE - 8; j >= 0 && i>=0; j -= 8) {
/* When a byte at this index is not 0 break out to start
* writing.
*/