linux-kernel - Re: [Xen-devel] [PATCH v5 2/2] xen/blkback: rework connect_ring() to avoid inconsistent xenstore 'ring-page-order' set by malicious blkfront

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Message-ID: <982c7ac4-132f-739c-e296-bf874828c79c@oracle.com>
Date:   Thu, 17 Jan 2019 08:01:05 +0800
From:   Dongli Zhang <dongli.zhang@...cle.com>
To:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     axboe@...nel.dk, linux-kernel@...r.kernel.org,
        linux-block@...r.kernel.org, paul.durrant@...rix.com,
        xen-devel@...ts.xenproject.org, roger.pau@...rix.com
Subject: Re: [Xen-devel] [PATCH v5 2/2] xen/blkback: rework connect_ring() to
 avoid inconsistent xenstore 'ring-page-order' set by malicious blkfront

On 2019/1/17 上午12:32, Konrad Rzeszutek Wilk wrote:
> On Tue, Jan 08, 2019 at 04:24:32PM +0800, Dongli Zhang wrote:
>> oops. Please ignore this v5 patch.
>>
>> I just realized Linus suggested in an old email not use BUG()/BUG_ON() in the code.
>>
>> I will switch to the WARN() solution and resend again.
> 
> OK. Did I miss it?

Hi Konrad,

If you are talking about the new patch set:

https://lists.xenproject.org/archives/html/xen-devel/2019-01/msg00977.html
https://lists.xenproject.org/archives/html/xen-devel/2019-01/msg00978.html

About Linus' suggestion:

http://lkml.iu.edu/hypermail/linux/kernel/1610.0/00878.html

Dongli Zhang

> 
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