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Avoid creating an illegal pointer. 

Found by tis-interpreter

Reviewed-by: Rich Salz <rsalz@openssl.org>

GH: #1166
This commit is contained in:
Kurt Roeckx 2016-06-04 19:52:28 +02:00
parent 3892b95750
commit 8c918b7b9c
1 changed files with 1 additions and 2 deletions
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3
crypto/asn1/asn1_par.c
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@ -86,8 +86,7 @@ static int asn1_parse2(BIO *bp, const unsigned char **pp, long length,
dump_indent = 6; /* Because we know BIO_dump_indent() */ dump_indent = 6; /* Because we know BIO_dump_indent() */
p = *pp; p = *pp;
tot = p + length; tot = p + length;
op = p - 1; while (length > 0) {
while ((p < tot) && (op < p)) {
op = p; op = p;
j = ASN1_get_object(&p, &len, &tag, &xclass, length); j = ASN1_get_object(&p, &len, &tag, &xclass, length);
if (j & 0x80) { if (j & 0x80) {