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

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Message-ID: <YjxGlIyYiULyAXy6@google.com>
Date:   Thu, 24 Mar 2022 19:23:16 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Hangyu Hua <hbh25y@...il.com>
Cc:     mchehab@...nel.org, senozhatsky@...omium.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 (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>