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Subject: Re: Potential info leak: Kernel pointer leak?
To:     Vinod Koul <vkoul@kernel.org>,
        Fuqian Huang <huangfq.daxian@gmail.com>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        MSM <linux-arm-msm@vger.kernel.org>,
        DMA <dmaengine@vger.kernel.org>
References: <CABXRUiRP8fHvGkO3T9AOFV=prVUACiCm2frbAEnG2v6UhrTw0A@mail.gmail.com>
 <20190123122429.GO4635@vkoul-mobl>
From:   Marc Gonzalez <marc.w.gonzalez@free.fr>
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Date:   Wed, 23 Jan 2019 16:01:14 +0100
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On 23/01/2019 13:24, Vinod Koul wrote:

> On 22-01-19, 21:25, Fuqian Huang wrote:
>
>> Recently I came across some code and it seems to be able to leak kernel address?
>> Is the following code cause info leak in the Linux kernel?
>> linux-4.14.90
> 
> Doesn't %p not print kernel addresses anymore, see
> Documentation/core-api/printk-formats.rst

Commit ad67b74d2469d9b82aaa ("printk: hash addresses printed with %p")
was merged in v4.15-rc2 and not backported to v4.14 AFAICT.

Regards.