linux-kernel - Re: [PATCH] media: dvb_vb2: fix possible out of bound access

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Message-ID: <0b428595-ad3f-3b6c-484c-21b217adab7c@gmail.com>
Date:   Mon, 16 May 2022 10:40:55 +0800
From:   Hangyu Hua <hbh25y@...il.com>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
Cc:     mchehab@...nel.org, caihuoqing@...du.com, hverkuil-cisco@...all.nl,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: dvb_vb2: fix possible out of bound access

On 2022/3/24 18:23, Sergey Senozhatsky wrote:
> On (22/03/24 16:01), Hangyu Hua wrote:
>> vb2_core_qbuf and vb2_core_querybuf don't check the range of b->index
>> controlled by the user.
>>
>> Fix this by adding range checking code before using them.
>>
>> Signed-off-by: Hangyu Hua <hbh25y@...il.com>
> 
> Reviewed-by: Sergey Senozhatsky <senozhatsky@...omium.org>

Hi guys,

Two other patches for this module that I submitted at the same time as 
this one have been accepted. But this bug looks much worse than the 
other two. Is this patch forgotten to merge?

Thanks.