From: Shawn Lewis <shawnlewis@google.com>
Date: Thu, 2 Aug 2007 20:17:52 +0000 (+0200)
Subject: [PATCH] Fix memswp. Its scratch space was too small
X-Git-Tag: fio-1.17~9
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=dee6de74152299f2a7df07ae971a53441b971daf;ds=sidebyside

[PATCH] Fix memswp. Its scratch space was too small

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/verify.c b/verify.c
index d9a68d65..6f67dffa 100644
--- a/verify.c
+++ b/verify.c
@@ -83,7 +83,9 @@ static void fill_pattern(struct thread_data *td, void *p, unsigned int len)
 
 static void memswp(void* buf1, void* buf2, unsigned int len)
 {
-	struct verify_header swap;
+	char swap[200];
+
+	assert(len <= sizeof(swap));
 
 	memcpy(&swap, buf1, len);
 	memcpy(buf1, buf2, len);