On Wed, Feb 27, 2019 at 08:18:21AM -0800, Linus Torvalds wrote: > So the whole "run with AC on" thing isn't a big deal, apart from the > scheduling case. > > And we know how to fix the scheduling case by just doing the > save/restore thing..
Right, but I was hoping to avoid having to do that; and I think we can do that if we push all of kasan_report into an exception, like that 'patch' I just posted. If I'm not mistaken the regular kasan house-keeping crud just prods at the shadow memory with simple code and should be perfectly safe.
