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Avoid creating an illegal pointer.
author
Kurt Roeckx
<kurt@roeckx.be>
Sat, 4 Jun 2016 17:52:28 +0000
(19:52 +0200)
committer
Kurt Roeckx
<kurt@roeckx.be>
Sat, 11 Jun 2016 14:43:48 +0000
(16:43 +0200)
Found by tis-interpreter
Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #1166
crypto/asn1/asn1_par.c
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diff --git
a/crypto/asn1/asn1_par.c
b/crypto/asn1/asn1_par.c
index 51da0143aa2e05afb8d3fd2ddd381957da175628..1e17895f264307f6fe9f4a996922c07ece4d30f2 100644
(file)
--- a/
crypto/asn1/asn1_par.c
+++ b/
crypto/asn1/asn1_par.c
@@
-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() */
p = *pp;
tot = p + length;
- op = p - 1;
- while ((p < tot) && (op < p)) {
+ while (length > 0) {
op = p;
j = ASN1_get_object(&p, &len, &tag, &xclass, length);
if (j & 0x80) {