linux-kernel - Re: [PATCH v3 0/2] OPP: fix buffer overflow in indexed freq and bandwidth reads

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Message-ID: <20241204053450.hw5eeqbjovwb6hlb@vireshk-i7>
Date: Wed, 4 Dec 2024 11:04:50 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Neil Armstrong <neil.armstrong@...aro.org>
Cc: Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
	Stephen Boyd <sboyd@...nel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/2] OPP: fix buffer overflow in indexed freq and
 bandwidth reads

On 03-12-24, 09:12, Neil Armstrong wrote:
> While fixing a crash when calling dev_pm_opp_find_bw_ceil()
> because the bandwdith table wasn't initialized, it happens
> the index is not checked aswell for indexed freq finds.
> 
> In order to properly fix that, pass the index to the assert
> function and add a specialized assert function for freq
> and bandwidth.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
> Changes in v3:
> - Use unsigned int for index on assert callback
> - Link to v2: https://lore.kernel.org/r/20241129-topic-opp-fix-assert-index-check-v2-0-386b2dcbb9a6@linaro.org

Applied. Thanks.

-- 
viresh