Quoting Lionel Landwerlin (2018-05-21 23:20:56)
> On 21/05/18 22:05, Chris Wilson wrote:
> > Smatch identifies i915_query_ioctl() as being a potential victim of
> > Spectre due to it use of a tainted user index into a function pointer
> > array. Use array_index_nospec() to defang the user index before using it
> > to lookup the function pointer.
> >
> > Fixes: a446ae2c6e65 ("drm/i915: add query uAPI")
> > Signed-off-by: Chris Wilson <[email protected]>
> > Cc: Lionel Landwerlin <[email protected]>
> > Cc: Joonas Lahtinen <[email protected]>
> > Cc: Tvrtko Ursulin <[email protected]>
>
> Okay.
>
> Reviewed-by: Lionel Landwerlin <[email protected]>
Indeed, it's all magic to me. Thanks for checking, I'll apply shortly.
-Chris
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