On 24/06/16 17:37, Chris Wilson wrote:
On Fri, Jun 24, 2016 at 05:04:46PM +0100, Matthew Auld wrote:
The gen6_for_all_pdes macro does the upper-bound evaluation after
accessing the page_table array, hence on the final iteration we end up
hitting an out-of-bounds error:
[ 1023.831657] UBSAN:
On Fri, Jun 24, 2016 at 05:04:46PM +0100, Matthew Auld wrote:
> The gen6_for_all_pdes macro does the upper-bound evaluation after
> accessing the page_table array, hence on the final iteration we end up
> hitting an out-of-bounds error:
>
> [ 1023.831657] UBSAN: Undefined behaviour in
>
The gen6_for_all_pdes macro does the upper-bound evaluation after
accessing the page_table array, hence on the final iteration we end up
hitting an out-of-bounds error:
[ 1023.831657] UBSAN: Undefined behaviour in
drivers/gpu/drm/i915/i915_gem_gtt.c:1993:2
[ 1023.831680] index 512 is out of
