[PATCH v3 0/4] randstruct: Enable function pointer struct detection

[Kees Cook]

This continues the randstruct series (which is in -next now), and adds
explicit task_struct randomization and enables automatic structure
randomization.

The randstruct plugin (in -next), the marking of task_struct, and the
opt-out markings are modified from Brad Spengler/PaX Team's code in the
last public patch of grsecurity/PaX based on my understanding of the
code. Changes or omissions from the original code are mine and don't
reflect the original grsecurity/PaX code.

-Kees