From: Xu Kuohai <xukuohai@huaweicloud.com>
To: Stefan Wahren <stefan.wahren@i2se.com>,
linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Cc: Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Florian Fainelli <f.fainelli@gmail.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Maxime Ripard <maxime@cerno.tech>,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
Xu Kuohai <xukuohai@huawei.com>
Subject: Re: [PATCH] clk: bcm: rpi: Fix an out-of-bound access to raspberrypi_clk_variants
Date: Sun, 9 Oct 2022 11:34:22 +0800 [thread overview]
Message-ID: <64aedb51-b0b4-d412-b5ad-67d50f12ad8b@huaweicloud.com> (raw)
In-Reply-To: <bce9efac-15a8-75e5-6f3f-bc62e33d0184@i2se.com>
On 10/9/2022 1:07 AM, Stefan Wahren wrote:
> Hi Xu,
>
> Am 08.10.22 um 16:45 schrieb Xu Kuohai:
>> From: Xu Kuohai <xukuohai@huawei.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?
>
Yes, the kernel branch I used was not updated, and the KASAN warning was gone after switching to 6.0 kernel, thanks.
> Best regards
>
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prev parent reply other threads:[~2022-10-09 3:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-08 14:45 [PATCH] clk: bcm: rpi: Fix an out-of-bound access to raspberrypi_clk_variants Xu Kuohai
2022-10-08 17:07 ` Stefan Wahren
2022-10-09 3:34 ` Xu Kuohai [this message]
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