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authorDr. Stephen Henson <steve@openssl.org>2016-05-02 17:33:50 +0100
committerDr. Stephen Henson <steve@openssl.org>2016-05-02 22:46:39 +0100
commit05aef4bbdbc18e7b9490512cdee41e8a608bcc0e (patch)
tree996bd946930ad9e24c76ea93f7f2570a1b045ccb /crypto/x509/x_x509.c
parent5a1f853b9870fc32a2e8960763d62209108ff519 (diff)
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Fix i2d_X509_AUX: pp can be NULL.
Reported by David Benjamin Reviewed-by: Emilia Käsper <emilia@openssl.org>
Diffstat (limited to 'crypto/x509/x_x509.c')
-rw-r--r--crypto/x509/x_x509.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/crypto/x509/x_x509.c b/crypto/x509/x_x509.c
index 11e758b..043ab07 100644
--- a/crypto/x509/x_x509.c
+++ b/crypto/x509/x_x509.c
@@ -184,14 +184,15 @@ X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
int i2d_X509_AUX(X509 *a, unsigned char **pp)
{
int length, tmplen;
- unsigned char *start = *pp;
+ unsigned char *start = pp != NULL ? *pp : NULL;
length = i2d_X509(a, pp);
if (length < 0 || a == NULL)
return length;
tmplen = i2d_X509_CERT_AUX(a->aux, pp);
if (tmplen < 0) {
- *pp = start;
+ if (start != NULL)
+ *pp = start;
return tmplen;
}
length += tmplen;