RE: [PATCH] kasan: improve double-free detection

From: Luruo, Kuthonuzo
Date: Tue May 03 2016 - 03:59:16 EST

> >
> > I missed that Alexander already landed patches that reduce header size
> > to 16 bytes.
> > It is not OK to increase them again. Please leave state as bitfield
> > and update it with CAS (if we introduce helper functions for state
> > manipulation, they will hide the CAS loop, which is nice).
> Note that in this case you'll probably need to update alloc_size with
> CAS loop as well.

Not sure I understood this; Anyway, revised kasan_alloc_meta in upcoming patch
should make this unnecessary.