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From: Jeffrey Hugo <quic_jhugo@quicinc.com>
To: Bhaumik Bhatt <bbhatt@codeaurora.org>,
	<manivannan.sadhasivam@linaro.org>
Cc: <linux-arm-msm@vger.kernel.org>, <hemantk@codeaurora.org>,
	<linux-kernel@vger.kernel.org>, <loic.poulain@linaro.org>
Subject: Re: [PATCH] bus: mhi: core: Validate channel ID when processing command completions
Date: Tue, 4 May 2021 11:19:05 -0600	[thread overview]
Message-ID: <b28efd8b-839d-066d-8008-4e2c7aafe5c0@quicinc.com> (raw)
In-Reply-To: <1619481538-4435-1-git-send-email-bbhatt@codeaurora.org>

On 4/26/2021 5:58 PM, Bhaumik Bhatt wrote:
> MHI reads the channel ID from the event ring element sent by the
> device which can be any value between 0 and 255. In order to
> prevent any out of bound accesses, add a check against the maximum
> number of channels supported by the controller and those channels
> not configured yet so as to skip processing of that event ring
> element.
> 
> Fixes: 1d3173a3bae7 ("bus: mhi: core: Add support for processing events from client device")
> Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
> ---

Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>

  parent reply	other threads:[~2021-05-04 17:19 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-26 23:58 Bhaumik Bhatt
2021-04-27  0:44 ` Hemant Kumar
2021-05-04 17:19 ` Jeffrey Hugo [this message]
2021-05-21 13:17 ` Manivannan Sadhasivam
2021-05-24  4:42 ` Manivannan Sadhasivam
2021-05-24  4:58   ` Manivannan Sadhasivam
2021-06-24 18:09 Bhaumik Bhatt
2021-06-25  5:23 ` Manivannan Sadhasivam

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