linux-kernel - Re: [PATCH] iio: dac: ad3552r-hs: fix out-of-bound write in ad3552r_hs_write_data

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] [day] [month] [year] [list]

Message-ID: <aQDe7-ienRpcfNV_@smile.fi.intel.com>
Date: Tue, 28 Oct 2025 17:19:11 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Nuno Sá <noname.nuno@...il.com>
Cc: Miaoqian Lin <linmq006@...il.com>, Markus Burri <markus.burri@...com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>,
	Angelo Dureghello <adureghello@...libre.com>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH] iio: dac: ad3552r-hs: fix out-of-bound write in
 ad3552r_hs_write_data_source

On Tue, Oct 28, 2025 at 03:12:29PM +0000, Nuno Sá wrote:
> On Tue, 2025-10-28 at 16:45 +0200, Andy Shevchenko wrote:
> > On Tue, Oct 28, 2025 at 12:31:04PM +0000, Nuno Sá wrote:

...

> > For the latter I want to see the real traceback and a reproducer. I also
> > wonder why
> > we never had reports from syzkaller on this. It has non-zero chance to stumble
> > over
> > the issue here (if there is an issue to begin with).
> 
> If I have the time, I might do it. If my suspicious are correct, it should be
> fairly easy to reproduce.

My suspicious is also like this, if you have a working setup for one of such
a user (like this chip) already, it's ~15 minutes to get it done without
writing an additional code.

-- 
With Best Regards,
Andy Shevchenko