Ticket #46596: patch-null-absent.diff

crypto/asn1/a_type.c

@@ -117 +117 @@
         {
         int result = -1;
 
+        if (!a && !b) return 0; /* both null-pointers => both absent/equal */
+
         if (!a || !b || a->type != b->type) return -1;
 
         switch (a->type)

crypto/asn1/x_algor.c

@@ -151 +151 @@
                 return rv;
         if (!a->parameter && !b->parameter)
                 return 0;
+        if ((!a->parameter && b->parameter 
+             && b->parameter->type == V_ASN1_NULL) 
+            ||
+            (!b->parameter && a->parameter 
+             && a->parameter->type == V_ASN1_NULL)
+            )
+          return 0;
         return ASN1_TYPE_cmp(a->parameter, b->parameter);
         }