linux-kernel - Re: [PATCH v2 3/5] test: firmware_class: add asynchronous request trigger

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Message-ID: <568ED0F6.5090701@osg.samsung.com>
Date:	Thu, 7 Jan 2016 13:56:22 -0700
From:	Shuah Khan <shuahkh@....samsung.com>
To:	Brian Norris <computersforpeace@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ming Lei <ming.lei@...onical.com>
Cc:	Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org, "Luis R. Rodriguez" <mcgrof@...e.com>,
	Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH v2 3/5] test: firmware_class: add asynchronous request
 trigger

On 12/09/2015 03:50 PM, Brian Norris wrote:
> We might want to test for bugs like that found in commit f9692b2699bd
> ("firmware: fix possible use after free on name on asynchronous
> request"), where the asynchronous request API had race conditions.
> 
> Let's add a simple file that will launch the async request, then wait
> until it's complete and report the status. It's not a true async test
> (we're using a mutex + wait_for_completion(), so we can't get more than
> one going at the same time), but it does help make sure the basic API is
> sane, and it can catch some class of bugs.
> 
> Signed-off-by: Brian Norris <computersforpeace@...il.com>
> Cc: Luis R. Rodriguez <mcgrof@...e.com>


Thanks for the patch. Applied to linux-kselftest next for 4.5-rc1.

thanks,
-- Shuah
-- 
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh@....samsung.com | (970) 217-8978