From mboxrd@z Thu Jan 1 00:00:00 1970 From: skannan@codeaurora.org (Saravana Kannan) Date: Tue, 25 Feb 2014 13:13:56 -0800 Subject: [PATCH] PM / devfreq: Fix out of bounds access of transition table array In-Reply-To: <1393226100-18428-1-git-send-email-skannan@codeaurora.org> References: <1393226100-18428-1-git-send-email-skannan@codeaurora.org> Message-ID: <530D0794.2080405@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 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