x509v3/v3_utl.c: avoid double-free.
Thanks to David Benjamin for spotting this.
@@ -56,8 +56,10 @@ int X509V3_add_value(const char *name, const char *value,
return 1;
err:
X509V3err(X509V3_F_X509V3_ADD_VALUE, ERR_R_MALLOC_FAILURE);
- if (sk_allocated)
+ if (sk_allocated) {
sk_CONF_VALUE_free(*extlist);
+ *extlist = NULL;
+ }
OPENSSL_free(vtmp);
OPENSSL_free(tname);
OPENSSL_free(tvalue);
