linux-kernel - Re: [PATCH 3/8] cpufreq: powerenv: Fix memory leak

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]

Message-ID: <20160602112203.GO3725@vireshk-i7>
Date:	Thu, 2 Jun 2016 16:52:03 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	Rafael Wysocki <rjw@...ysocki.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	linaro-kernel@...ts.linaro.org, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 3/8] cpufreq: powerenv: Fix memory leak

On 02-06-16, 21:08, Michael Ellerman wrote:
> On Wed, 2016-06-01 at 16:04 +0530, Viresh Kumar wrote:
> 
> > The policy is copied (unnecessarily) and is never freed. Fix it by just
> > getting a reference to the existing policy structure and putting it
> > back.
> > 
> > Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> 
> When was it broken, always?
> 
> Cc: stable ?

Its a small memory leak and its not that we will fail on something. So
didn't bother to add those details, but in case they are required:

Cc: <stable@...r.kernel.org> # 4.3+
Fixes: 227942809b52 ("cpufreq: powernv: Restore cpu frequency to policy->cur on unthrottling")

-- 
viresh