From: Saravana Kannan <skannan@codeaurora.org>
To: Saravana Kannan <skannan@codeaurora.org>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] PM / devfreq: Fix out of bounds access of transition table array
Date: Tue, 25 Feb 2014 13:13:56 -0800 [thread overview]
Message-ID: <530D0794.2080405@codeaurora.org> (raw)
In-Reply-To: <1393226100-18428-1-git-send-email-skannan@codeaurora.org>
On 02/23/2014 11:15 PM, Saravana Kannan wrote:
> The previous_freq value for a device could be an invalid frequency that
> results in a error value being returned from devfreq_get_freq_level().
> Check for an error value before using that to index into the transition
> table.
>
> Not doing this check will result in memory corruption when previous_freq is
> not a valid frequency.
>
> Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
MyungJoo/Kyungmin,
Would either of you have some time to respond to this?
Thanks,
Saravana
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2014-02-25 21:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-24 7:15 [PATCH] PM / devfreq: Fix out of bounds access of transition table array Saravana Kannan
2014-02-25 21:13 ` Saravana Kannan [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-02-26 5:12 함명주
2014-02-27 0:45 ` Saravana Kannan
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