linux-ext4 - Re: [PATCH v2 05/14] e2fsck: fix buffer overrun in revoke block scanning

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 16 May 2015 20:50:50 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH v2 05/14] e2fsck: fix buffer overrun in revoke block
 scanning

On Thu, May 14, 2015 at 12:37:43PM -0700, Darrick J. Wong wrote:
> Check the value of r_count to ensure that we never try to read revoke
> records past the end of the revoke block.  It turns out that the
> journal writing code in debugfs was also playing fast and loose with
> the r_count, so fix that as well.
> 
> The Coverity bug was 1297508.
> 
> v2: Allow the revoke block to use all slots, including the last
> one.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Thanks, applied.

						- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html