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From: Hemant Kumar <>
To: Bhaumik Bhatt <>,
Subject: Re: [PATCH] bus: mhi: core: Validate channel ID when processing command completions
Date: Mon, 26 Apr 2021 17:44:43 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 4/26/21 4:58 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 <>
> ---
Reviewed-by: Hemant Kumar <>

The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

  reply	other threads:[~2021-04-27  0:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-26 23:58 [PATCH] bus: mhi: core: Validate channel ID when processing command completions Bhaumik Bhatt
2021-04-27  0:44 ` Hemant Kumar [this message]
2021-05-04 17:19 ` Jeffrey Hugo
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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