Package: lmbench
Version: 3.0-a9+debian.1-2
Severity: normal
Tags: patch
At last on AMD64, size_t is now ‘long unsigned int’.
Using int type for mmap() can cause the integer overflow.
Please consider including the attached patch.
-- System Information:
Debian Release: buster/sid
APT prefers bionic-updates
APT policy: (500, 'bionic-updates'), (500, 'bionic-security'), (500,
'bionic'), (100, 'bionic-backports')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.15.0-23-generic (SMP w/4 CPU cores)
Locale: LANG=zh_TW.UTF-8, LC_CTYPE=zh_TW.UTF-8 (charmap=UTF-8),
LANGUAGE=zh_TW:en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages lmbench depends on:
ii gcc 4:7.3.0-3ubuntu2
ii libc6 2.27-3ubuntu1
ii libc6-dev [libc-dev] 2.27-3ubuntu1
ii perl 5.26.1-6ubuntu0.1
Versions of packages lmbench recommends:
ii lmbench-doc 3.0-a9+debian.1-2
lmbench suggests no packages.
-- no debconf information
From a409efbc261ca097b414da7986fc2ea6a35af6dd Mon Sep 17 00:00:00 2001
From: Keng-Yu Lin <ken...@hpe.com>
Date: Thu, 28 Jun 2018 18:35:54 +0800
Subject: [PATCH] Use size_t for mmap()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
At last on AMD64, size_t is now ‘long unsigned int’.
Using int type can cause the integer overflow.
Signed-off-by: Keng-Yu Lin <ken...@hpe.com>
---
src/lat_pagefault.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/lat_pagefault.c b/src/lat_pagefault.c
index 66f67cd..0e16ddd 100644
--- a/src/lat_pagefault.c
+++ b/src/lat_pagefault.c
@@ -18,7 +18,7 @@ char *id = "$Id$\n";
typedef struct _state {
int fd;
- int size;
+ size_t size;
int npages;
int clone;
char* file;
--
2.11.0
