From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 123A02E7BAA; Tue, 28 Oct 2025 15:19:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761664760; cv=none; b=fIEZp/DnEVp5uVSg+ZOYiaMg3+m19M1j2WH3gPI48aYD29xnFiLwVhRBRp0TzyyFPicEnxPouNW+BAPGnJVTTZYYWgx3Be3XKmadUKfJbrfkkitfHLEUWd6l4k96n42JtacnisWDzr9TiQbUf1QdyiVg/PSPgr0VDZUO1NHsdvU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761664760; c=relaxed/simple; bh=YfeA9WDImd+OY7C5WhOa1hQ4s8wAxkujvBRU2K6EBg0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bcKz/wHAEZ9VbTWKe6ofvRH0hfBuvm0dTyFFxANes7D3TnY+rzxk2zXSM+pjQUtfKs2DOi7vawvyG4tjOp9WmyghfyM5cp+jO67UiDmn0DY3wNpHMmavbjRR54OahH+0BfOyJcSCwUSx9TDfr9y/svSqDBB8ZECbMnxnycjpuq0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=UuEpn00l; arc=none smtp.client-ip=192.198.163.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="UuEpn00l" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761664759; x=1793200759; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=YfeA9WDImd+OY7C5WhOa1hQ4s8wAxkujvBRU2K6EBg0=; b=UuEpn00lwbrtw+EG4/wCEowCowkcStLEOySLOcVszOScbWtaqhgKBvUr /7yZXE8eoVFB1hlc/3ScR1N9Nu33LPj3XmBrBc3MqHryyjSo0IHhy5QHi YYZMByXRc3DTwGYp6zZUW7EswrS8pu7uRCxgjNgKVDbGICv07wR50FIa6 np1SLNNnTsScsslX9BMyhU3yDTFR9Fz0kaVjVueAPNRA8oEBYU2DPrw+G Y8eIGMQ59cmT6sOBGvIzLcTbWe6gwRF5kusVEoo13tUqihWJfGZ9Sc/eu 7eu81xDhbujZdEGtLq95zhQBdQJiJkvQ54gVY8CW3trkSi0mMZWvAULrC g==; X-CSE-ConnectionGUID: 6TkJkKBkT9WOHcVhpDeJPw== X-CSE-MsgGUID: CIuUfOADQTiiFpyHzFVpXA== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="67632035" X-IronPort-AV: E=Sophos;i="6.19,261,1754982000"; d="scan'208";a="67632035" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2025 08:19:18 -0700 X-CSE-ConnectionGUID: 23FxZjE0RhSi50fQRTKghQ== X-CSE-MsgGUID: zAQ6VqKPSP+GPyCHdgQyRw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,261,1754982000"; d="scan'208";a="186122207" Received: from dalessan-mobl3.ger.corp.intel.com (HELO ashevche-desk.local) ([10.245.244.136]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2025 08:19:15 -0700 Received: from andy by ashevche-desk.local with local (Exim 4.98.2) (envelope-from ) id 1vDlTc-00000003LlR-0BQf; Tue, 28 Oct 2025 17:19:12 +0200 Date: Tue, 28 Oct 2025 17:19:11 +0200 From: Andy Shevchenko To: Nuno =?iso-8859-1?Q?S=E1?= Cc: Miaoqian Lin , Markus Burri , Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Angelo Dureghello , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] iio: dac: ad3552r-hs: fix out-of-bound write in ad3552r_hs_write_data_source Message-ID: References: <20251027150713.59067-1-linmq006@gmail.com> <071e3da4d69e10d64c54a18b7dd34ae11ab68f58.camel@gmail.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo 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