linux-kernel - Re: [PATCH] iov_iter: fix the uaccess area in copy_compat_iovec_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]

Date:   Mon, 11 Jan 2021 17:50:03 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Christoph Hellwig <hch@....de>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        David Laight <David.Laight@...lab.com>
Subject: Re: [PATCH] iov_iter: fix the uaccess area in
 copy_compat_iovec_from_user

On Mon, Jan 11, 2021 at 06:19:26PM +0100, Christoph Hellwig wrote:
> sizeof needs to be called on the compat pointer, not the native one.
> 
> Fixes: 89cd35c58bc2 ("iov_iter: transparently handle compat iovecs in import_iovec")
> Reported-by: David Laight <David.Laight@...LAB.COM>
> Signed-off-by: Christoph Hellwig <hch@....de>

Applied.