On Tue, 27 Mar 2018 14:36:09 -0700 Kees Cook <[email protected]> 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 <[email protected]> > Fixes: 29e48ce87f1e ("task_struct: Allow randomized") > Cc: [email protected] Why cc:stable?
