linux-kernel - Re: [PATCH v2] drivers: thermal: tsens: Fix null pointer dereference

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Date: Mon, 22 Apr 2024 18:20:38 +0200
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: Aleksandr Mishin <amishin@...rgos.ru>,
 Christian Marangi <ansuelsmth@...il.com>
Cc: Amit Kucheria <amitk@...nel.org>,
 Thara Gopinath <thara.gopinath@...il.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>,
 "Rafael J. Wysocki" <rafael@...nel.org>, Zhang Rui <rui.zhang@...el.com>,
 Lukasz Luba <lukasz.luba@....com>, linux-pm@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
 lvc-project@...uxtesting.org
Subject: Re: [PATCH v2] drivers: thermal: tsens: Fix null pointer dereference

On 11/04/2024 13:40, Aleksandr Mishin wrote:
> compute_intercept_slope() is called from calibrate_8960() (in tsens-8960.c)
> as compute_intercept_slope(priv, p1, NULL, ONE_PT_CALIB) which lead to null
> pointer dereference (if DEBUG or DYNAMIC_DEBUG set).
> Fix this bug by adding null pointer check.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Fixes: dfc1193d4dbd ("thermal/drivers/tsens: Replace custom 8960 apis with generic apis")
> Signed-off-by: Aleksandr Mishin <amishin@...rgos.ru>
> ---

Applied, thanks

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