From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49181 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755844AbcBXDdt (ORCPT ); Tue, 23 Feb 2016 22:33:49 -0500 Subject: Patch "ext4: fix potential integer overflow" has been added to the 3.14-stable tree To: wuninsu@gmail.com, gregkh@linuxfoundation.org, tytso@mit.edu Cc: , From: Date: Tue, 23 Feb 2016 19:23:34 -0800 Message-ID: <1456284214239194@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled ext4: fix potential integer overflow to the 3.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ext4-fix-potential-integer-overflow.patch and it can be found in the queue-3.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 46901760b46064964b41015d00c140c83aa05bcf Mon Sep 17 00:00:00 2001 From: Insu Yun Date: Fri, 12 Feb 2016 01:15:59 -0500 Subject: ext4: fix potential integer overflow From: Insu Yun commit 46901760b46064964b41015d00c140c83aa05bcf upstream. Since sizeof(ext_new_group_data) > sizeof(ext_new_flex_group_data), integer overflow could be happened. Therefore, need to fix integer overflow sanitization. Signed-off-by: Insu Yun Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/resize.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -186,7 +186,7 @@ static struct ext4_new_flex_group_data * if (flex_gd == NULL) goto out3; - if (flexbg_size >= UINT_MAX / sizeof(struct ext4_new_flex_group_data)) + if (flexbg_size >= UINT_MAX / sizeof(struct ext4_new_group_data)) goto out2; flex_gd->count = flexbg_size; Patches currently in stable-queue which might be from wuninsu@gmail.com are queue-3.14/ext4-fix-potential-integer-overflow.patch