From: Jérémie Astor <astor.jeremie@wanadoo.fr>
Date: Thu, 1 Oct 2020 18:55:45 +0000 (+0200)
Subject: :bug: Fix ptr vulnerability
X-Git-Tag: nightly~1252
X-Git-Url: http://10.10.0.4:5575/?a=commitdiff_plain;h=00f7ca8a73bd1ddfedb3d853d8e5ace05a39c791;p=gwion.git

:bug: Fix ptr vulnerability
---

diff --git a/src/lib/ptr.c b/src/lib/ptr.c
index 2cfbefb2..2012bf5b 100644
--- a/src/lib/ptr.c
+++ b/src/lib/ptr.c
@@ -138,7 +138,7 @@ static DTOR(ptr_struct_dtor) {
 
 static OP_CHECK(opck_ptr_scan) {
   struct TemplateScan *ts = (struct TemplateScan*)data;
-  const Type t = (Type)scan_class(env, ts->t, ts->td);
+  DECL_ON(const Type, t, = (Type)scan_class(env, ts->t, ts->td))
   const Type base = known_type(env, t->e->def->base.tmpl->call->td);
   if(isa(base, env->gwion->type[et_compound]) > 0 && !t->nspc->dtor) {
     t->nspc->dtor = new_vm_code(env->gwion->mp, NULL, SZ_INT, ae_flag_member | ae_flag_builtin, "@PtrDtor");