From: Vincent Pit <vince@profvince.com>
Date: Sat, 4 Aug 2012 23:18:02 +0000 (+0200)
Subject: Make sure all entries of MY_CXT.b__op_stashes are initialized
X-Git-Tag: v0.51~10
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FVariable-Magic.git;a=commitdiff_plain;h=f80e249f673c39ee8ba0dd58b26a3d5384448b61

Make sure all entries of MY_CXT.b__op_stashes are initialized

Otherwise CLONE may be testing uninitialized memory areas.
---

diff --git a/Magic.xs b/Magic.xs
index 997b45d..24f8d5c 100644
--- a/Magic.xs
+++ b/Magic.xs
@@ -1464,9 +1464,11 @@ PROTOTYPES: ENABLE
 BOOT:
 {
  HV *stash;
+ int c;
 
  MY_CXT_INIT;
- MY_CXT.b__op_stashes[0] = NULL;
+ for (c = OPc_NULL; c < OPc_MAX; ++c)
+  MY_CXT.b__op_stashes[c] = NULL;
 #if VMG_THREADSAFE
  MUTEX_INIT(&vmg_vtable_refcount_mutex);
  MUTEX_INIT(&vmg_op_name_init_mutex);