linux-kernel - Re: [PATCH] xtensa: fix access check in csum_and_copy_from

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]

Message-ID: <20200721230426.GC2786714@ZenIV.linux.org.uk>
Date:   Wed, 22 Jul 2020 00:04:26 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Max Filippov <jcmvbkbc@...il.com>
Cc:     linux-xtensa@...ux-xtensa.org, Chris Zankel <chris@...kel.net>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xtensa: fix access check in csum_and_copy_from_user

On Tue, Jul 21, 2020 at 03:00:35PM -0700, Max Filippov wrote:
> Commit d341659f470b ("xtensa: switch to providing
> csum_and_copy_from_user()") introduced access check, but incorrectly
> tested dst instead of src.
> Fix access_ok argument in csum_and_copy_from_user.

Applied, with apologies...  Which tree do you want it to go through?
I'm dropping it into vfs.git#fixes, will send to Linus unless you
prefer it to go some other way...