From d6db68e66dff25d12c3bc5641b60cbd7fb6ab44f Mon Sep 17 00:00:00 2001
From: Moritz Eckert <m.eckert@cs.ucsb.edu>
Date: Thu, 16 Aug 2018 21:08:36 -0400
Subject: malloc: Mitigate null-byte overflow attacks

* malloc/malloc.c (_int_free): Check for corrupt prev_size vs size.
(malloc_consolidate): Likewise.
---
 ChangeLog | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'ChangeLog')

diff --git a/ChangeLog b/ChangeLog
index dc72e54..1e84f9b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-08-16  DJ Delorie  <dj@delorie.com>
+
+	* malloc/malloc.c (_int_free): Check for corrupt prev_size vs size.
+	(malloc_consolidate): Likewise.
+
 2018-08-16  Pochang Chen  <johnchen902@gmail.com>
 
 	* malloc/malloc.c (_int_malloc.c): Verify size of top chunk.
-- 
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