From: Daniel Mack <daniel@zonque.org>
Date: Mon, 26 Jan 2015 18:24:12 +0000 (+0100)
Subject: test: add check for pointer arithmetic overflow
X-Git-Tag: upstream/0.20150129.081441utc~22
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b15fb734cc4619a90badb48920aa697f4aef0355;p=platform%2Fcore%2Fsystem%2Fkdbus-bus.git

test: add check for pointer arithmetic overflow

It's not crucial to have this in the test suite, but we should follow
our own examples.

Signed-off-by: Daniel Mack <daniel@zonque.org>
---

diff --git a/test/kdbus-util.h b/test/kdbus-util.h
index 5f30aa8..d052fd8 100644
--- a/test/kdbus-util.h
+++ b/test/kdbus-util.h
@@ -29,7 +29,8 @@
 	(typeof(item))(((uint8_t *)item) + KDBUS_ALIGN8((item)->size))
 #define KDBUS_ITEM_FOREACH(item, head, first)				\
 	for (item = (head)->first;					\
-	     (uint8_t *)(item) < (uint8_t *)(head) + (head)->size;	\
+	     ((uint8_t *)(item) < (uint8_t *)(head) + (head)->size) &&	\
+	       ((uint8_t *)(item) >= (uint8_t *)(head));	\
 	     item = KDBUS_ITEM_NEXT(item))