On 9/11/26 16:29, Yeoreum Yun wrote:
> check_vmflag_guard() uses /proc/self/smaps to retrieve the VMA flags,
> but this can fail if the mapping is merged with an adjacent VMA.
> 
> To avoid this potential failure, first allocate a temporary region with
> extra pages at both ends, unmap it, and then map the test region within
> the temporary address range, leaving an unmapped page on each side to
> prevent VMA merging.
> 
> Signed-off-by: Yeoreum Yun <[email protected]>
> ---

Acked-by: David Hildenbrand (Arm) <[email protected]>

-- 
Cheers,

David

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