On Tue, 18 Oct 2016 15:05:39 -0700 Kees Cook <keesc...@chromium.org> wrote:
> On Tue, Oct 18, 2016 at 2:36 PM, Emese Revfy <re.em...@gmail.com> wrote: > > On Tue, 18 Oct 2016 13:57:35 -0700 > > Kees Cook <keesc...@chromium.org> wrote: > > > >> This is controlled by CONFIG_FRAME_WARN. I don't think this is a > >> particular problem or should be avoided, but perhaps we can set the > >> default to 2048 (as done on 64BIT) if we're building with the entropy > >> plugin. > > > > This is probably a gcc code generation bug on i386 when a plugin uses too > > many 64 bit variables > > so I think PaX Team's patch will be the best solution. > > Okay, cool. If you're able, please CC me with the fix when it happens. :) This is the plugin side fix: https://github.com/ephox-gcc-plugins/latent_entropy/commit/12776eab89861239d5194a9241a98e48e3b3e8ae The kernel side fix will be released in PaX for linux 4.8. -- Emese