Messages in this thread | | | Date | Tue, 27 Mar 2018 16:03:42 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] task_struct: Only use anon struct under randstruct plugin |
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On Tue, 27 Mar 2018 14:36:09 -0700 Kees Cook <keescook@chromium.org> wrote:
> The original intent for always adding the anonymous struct in task_struct > was to make sure we had compiler coverage. However, this caused > pathological padding of 40 bytes at the start of task_struct.
Why? What caused this padding? It happens in all configs?
> Instead, > move the anonymous struct to being only used when struct layout > randomization is enabled.
So the mysterious 40 byte bloat is still present in this case?
> Reported-by: Peter Zijlstra <peterz@infradead.org> > Fixes: 29e48ce87f1e ("task_struct: Allow randomized") > Cc: stable@vger.kernel.org
Why cc:stable?
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