linux-kernel - Re: [PATCH 6.6 0/1] cpufreq: amd-pstate: add check for cpufreq_cpu

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Message-ID: <fd6c77ab-667f-4368-8be5-63e040c362ad@astralinux.ru>
Date: Thu, 28 Nov 2024 13:28:21 +0300
From: Anastasia Belova <abelova@...ralinux.ru>
To: stable@...r.kernel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: lvc-project@...uxtesting.org, Huang Rui <ray.huang@....com>,
 "Rafael J. Wysocki" <rafael@...nel.org>,
 Viresh Kumar <viresh.kumar@...aro.org>, linux-pm@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6.6 0/1] cpufreq: amd-pstate: add check for
 cpufreq_cpu_get's return value

Just a friendly reminder.

On 11/6/24 9:19 PM, Anastasia Belova wrote:
> NULL-dereference is possible in amd_pstate_adjust_perf in 6.6 stable
> release.
>
> The problem has been fixed by the following upstream patch that was adapted
> to 6.6. The patch couldn't be applied clearly but the changes made are
> minor.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.