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Date:   Fri, 12 Apr 2019 22:38:09 +0800
From:   Gao Xiang <gaoxiang25@...wei.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
CC:     Chao Yu <yuchao0@...wei.com>, Ming Lei <ming.lei@...hat.com>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        <devel@...verdev.osuosl.org>, <linux-erofs@...ts.ozlabs.org>,
        Chao Yu <chao@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        <weidu.du@...wei.com>, Fang Wei <fangwei1@...wei.com>,
        Miao Xie <miaoxie@...wei.com>
Subject: Re: [PATCH v2] staging: erofs: fix unexpected out-of-bound data
 access



On 2019/4/12 21:51, Dan Carpenter wrote:
> On Fri, Apr 12, 2019 at 05:53:14PM +0800, Gao Xiang wrote:
>> Unexpected out-of-bound data will be read in erofs_read_raw_page
>> after commit 07173c3ec276 ("block: enable multipage bvecs") since
>> one iovec could have multiple pages.
>>
>> Let's fix as what Ming's pointed out in the previous email [1].
>>
>> [1] https://lore.kernel.org/lkml/20190411080953.GE421@ming.t460p/
>>
> 
> Please also use the Fixes tag.
> 
> Fixes: 07173c3ec276 ("block: enable multipage bvecs")

Thanks for reminder. Maybe Greg could add this line...

Thanks,
Gao Xiang

> 
>> Suggested-by: Ming Lei <ming.lei@...hat.com>
>> Reviewed-by: Chao Yu <yuchao0@...wei.com>
>> Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>
> 
> regards,
> dan carpenter
> 

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