Re: [PATCH v2 2/2] drm/i915/cmdparser: Do not check past the cmd length.

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Quoting Chris Wilson (2018-02-05 16:04:25)
> Quoting Michal Srb (2018-02-05 15:17:45)
> > The command MEDIA_VFE_STATE checks bits at offset +2 dwords. However, it is
> > possible to have MEDIA_VFE_STATE command with length = 0 + LENGTH_BIAS = 2.
> > In that case check_cmd will read bits from the following command, or even past
> > the end of the buffer.
> > 
> > If the offset ends up outside of the command length, reject the command.
> > 
> > Signed-off-by: Michal Srb <msrb@xxxxxxxx>
> 
> Looks good, both
> Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> 
> I'll resend them to intel-gfx@ so CI picks them up for the checklist.

Added

Fixes: 76ff480ec963 ("drm/i915/cmdparser: Use binary search for faster
register lookup"

and

Fixes: 351e3db2b363 ("drm/i915: Implement command buffer parsing logic")

respectively and pushed. Thanks for the patches,
-Chris
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