From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Ricardo Ribalda <ribalda@chromium.org>
Cc: Tomasz Figa <tfiga@chromium.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] media: videobuf2: Fix integer overrun in allocation
Date: Wed, 10 Mar 2021 16:47:30 +0900 [thread overview]
Message-ID: <YEh5kk3rGXr5nLRj@google.com> (raw)
In-Reply-To: <20210309234317.1021588-1-ribalda@chromium.org>
On (21/03/10 00:43), Ricardo Ribalda wrote:
>
> The plane_length is an unsigned integer. So, if we have a size of
> 0xffffffff bytes we incorrectly allocate 0 bytes instead of 1 << 32.
>
> Cc: stable@vger.kernel.org
> Fixes: 7f8414594e47 ("[media] media: videobuf2: fix the length check for mmap")
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
next prev parent reply other threads:[~2021-03-10 7:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 23:43 [PATCH] media: videobuf2: Fix integer overrun in allocation Ricardo Ribalda
2021-03-10 1:42 ` Sergey Senozhatsky
2021-03-10 7:40 ` Ricardo Ribalda
2021-03-10 7:47 ` Sergey Senozhatsky [this message]
2021-03-10 7:49 ` Laurent Pinchart
2021-03-10 7:58 ` Ricardo Ribalda
2021-03-10 8:12 ` Laurent Pinchart
2021-03-10 10:16 ` Ricardo Ribalda
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