linux-kernel - Re: [PATCH] clk: bcm: rpi: Fix an out-of-bound access to raspberrypi_clk

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Message-ID: <bce9efac-15a8-75e5-6f3f-bc62e33d0184@i2se.com>
Date:   Sat, 8 Oct 2022 19:07:24 +0200
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Xu Kuohai <xukuohai@...weicloud.com>, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Maxime Ripard <maxime@...no.tech>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Xu Kuohai <xukuohai@...wei.com>
Subject: Re: [PATCH] clk: bcm: rpi: Fix an out-of-bound access to
 raspberrypi_clk_variants

Hi Xu,

Am 08.10.22 um 16:45 schrieb Xu Kuohai:
> From: Xu Kuohai <xukuohai@...wei.com>
>
> KASAN reports an out-of-bound access to raspberrypi_clk_variants[]:
>
> ==================================================================
> BUG: KASAN: global-out-of-bounds in raspberrypi_clk_probe+0x1dc/0x690
> Read of size 1 at addr ffffcc7116d615a0 by task kworker/u8:0/8
>
> CPU: 1 PID: 8 Comm: kworker/u8:0 Not tainted 6.0.0-rc3-00900-g08f4df4a3c53 raspberrypi#10

this kernel is a little bit older and doesn't contain bc163555603e 
("clk: bcm: rpi: Prevent out-of-bounds access").

Can you please check Linux 6.0?

Best regards