On Fri, Mar 12, 2021 at 1:16 PM Marco Elver wrote:
>
> After an out-of-bounds accesses, zero the guard page before
> re-protecting in kfence_guarded_free(). On one hand this helps make the
> failure mode of subsequent out-of-bounds accesses more deterministic,
> but could also prevent certain info
After an out-of-bounds accesses, zero the guard page before
re-protecting in kfence_guarded_free(). On one hand this helps make the
failure mode of subsequent out-of-bounds accesses more deterministic,
but could also prevent certain information leaks.
Signed-off-by: Marco Elver
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mm/kfence/cor
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