On Tue, Aug 23, 2016 at 5:08 PM, Josh Poimboeuf <[email protected]> wrote: > On Tue, Aug 23, 2016 at 01:31:20PM -0700, Andy Lutomirski wrote: >> On Aug 23, 2016 12:11 AM, "Linus Torvalds" >> So the fact that this seems to have any significant effect on >> performance suggests to me that it's being run unnecessarily > > Yeah, I think check_object_size() is being run unnecessarily in a lot of > cases. Calling it only when size is non-const would probably speed > things up a lot.
Yup, this is at the top of my list to fix. The non-const is only done on a handful of architectures, and it needs to be done everywhere. -Kees -- Kees Cook Nexus Security
