Re: [PATCH] media: videobuf2: Fix integer overrun in vb2_mmap

[Sergey Senozhatsky]

On (21/03/10 08:40), 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.
> 
> Suggested-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 7f8414594e47 ("[media] media: videobuf2: fix the length check for mmap")
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>


FWIF,
Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>