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From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
	Zhang Rui <rui.zhang@intel.com>, Pierre Ossman <drzeus@drzeus.cx>,
	Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: [patch 6/8] kernel/resource.c: fix sign extension in reserve_setup()
Date: Fri, 17 Jul 2009 13:37:24 -0700	[thread overview]
Message-ID: <20090717203824.780928687@mini.kroah.org> (raw)
In-Reply-To: <20090717203935.GA5641@kroah.com>

[-- Attachment #1: kernel-resource.c-fix-sign-extension-in-reserve_setup.patch --]
[-- Type: text/plain, Size: 1228 bytes --]

2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Zhang Rui <rui.zhang@intel.com>

commit 8bc1ad7dd301b7ca7454013519fa92e8c53655ff upstream.

When the 32-bit signed quantities get assigned to the u64 resource_size_t,
they are incorrectly sign-extended.

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13253
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9905

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reported-by: Leann Ogasawara <leann@ubuntu.com>
Cc: Pierre Ossman <drzeus@drzeus.cx>
Reported-by: <pablomme@googlemail.com>
Tested-by: <pablomme@googlemail.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 kernel/resource.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -741,7 +741,7 @@ static int __init reserve_setup(char *st
 	static struct resource reserve[MAXRESERVE];
 
 	for (;;) {
-		int io_start, io_num;
+		unsigned int io_start, io_num;
 		int x = reserved;
 
 		if (get_option (&str, &io_start) != 2)



  parent reply	other threads:[~2009-07-17 20:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20090717203718.637372453@mini.kroah.org>
2009-07-17 20:39 ` [patch 0/8] 2.6.27.27-stable review Greg KH
2009-07-17 20:37   ` [patch 1/8] Add -fno-delete-null-pointer-checks to gcc CFLAGS Greg KH
2009-07-17 20:37   ` [patch 2/8] personality: fix PER_CLEAR_ON_SETID (CVE-2009-1895) Greg KH
2009-07-17 20:37   ` [patch 3/8] security: use mmap_min_addr indepedently of security models Greg KH
2009-07-17 20:37   ` [patch 4/8] Fix iommu address space allocation Greg KH
2009-07-17 20:37   ` [patch 5/8] floppy: fix lock imbalance Greg KH
2009-07-17 20:37   ` Greg KH [this message]
2009-07-17 20:37   ` [patch 7/8] tulip: Fix for MTU problems with 802.1q tagged frames Greg KH
2009-07-17 20:37   ` [patch 8/8] Dont use -fwrapv compiler option: its buggy in gcc-4.1.x Greg KH
     [not found]   ` <200907180329.34323.arekm@maven.pl>
2009-07-20  3:48     ` [patch 0/8] 2.6.27.27-stable review Greg KH

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