From: Ben Pfaff <blp@cs.stanford.edu>
Date: Wed, 22 Sep 2004 00:28:11 +0000 (+0000)
Subject: memset freed blocks to 0xcd.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1bd8601ce81500fc1ddf6584cd07379eec65083e;p=pintos-anon

memset freed blocks to 0xcd.
---

diff --git a/src/threads/malloc.c b/src/threads/malloc.c
index 9782a5a..9910bf4 100644
--- a/src/threads/malloc.c
+++ b/src/threads/malloc.c
@@ -177,8 +177,13 @@ free (void *p)
   a = block_to_arena (b);
   d = a->desc;
 
+#ifndef NDEBUG
+  memset (b, 0xcd, d->block_size);
+#endif
+  
   lock_acquire (&d->lock);
 
+
   /* Add block to free list. */
   list_push_front (&d->free_list, &b->free_elem);