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From: Matti Vaittinen <mazziesaccount@gmail.com>
To: kernel test robot <lkp@intel.com>,
	Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Cc: "Alexandre Belloni" <alexandre.belloni@bootlin.com>,
	"Lars-Peter Clausen" <lars@metafoo.de>,
	kbuild-all@lists.01.org,
	"Michael Hennerich" <Michael.Hennerich@analog.com>,
	"Cosmin Tanislav" <cosmin.tanislav@analog.com>,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	"Miaoqian Lin" <linmq006@gmail.com>,
	"Srinivas Pandruvada" <srinivas.pandruvada@linux.intel.com>,
	"Eugen Hristev" <eugen.hristev@microchip.com>,
	"Alexandru Ardelean" <alexandru.ardelean@analog.com>,
	"Mihail Chindris" <mihail.chindris@analog.com>,
	"Claudiu Beznea" <claudiu.beznea@microchip.com>,
	"Jonathan Cameron" <jic23@kernel.org>
Subject: Re: [PATCH 2/2] iio: Fix unsafe buffer attributes
Date: Fri, 30 Sep 2022 20:30:03 +0300	[thread overview]
Message-ID: <7921d7e8-09c8-dd68-8c0d-aef33e4ecbd1@gmail.com> (raw)
In-Reply-To: <202209302235.hHrSjkSb-lkp@intel.com>

Hi dee Ho peeps,

On 9/30/22 17:17, kernel test robot wrote:
> Hi Matti,
> 
> I love your patch! Yet something to improve:

Ouch.

I overlooked the fact that the buffer was also used by iio-dmaengine 
(which I had not configured to be compiled). Also the 
cros_ec_sensors_core.c evaded my grep.

Changing these to use iio_dev_attrs as well seems trivial - but I am 
afraid there may be other culprits if the pointers to those buffer 
attributes are memcpy()-ed somewhere else as well... (The attribute wrap 
function did this).

I will include cros_ec_sensors_core.c and industrialio-dmaengine.c 
changes and re-spin the series - but I guess I need to add [RFT] here...

Best regards
	-- Matti

-- 
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

~~ When things go utterly wrong vim users can always type :help! ~~


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      parent reply	other threads:[~2022-09-30 17:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-30 10:54 [PATCH 1/2] iio: Add IIO_STATIC_CONST_DEVICE_ATTR Matti Vaittinen
2022-09-30 10:54 ` [PATCH 2/2] iio: Fix unsafe buffer attributes Matti Vaittinen
     [not found]   ` <202209302235.hHrSjkSb-lkp@intel.com>
2022-09-30 17:30     ` Matti Vaittinen [this message]

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