On Fri, Apr 20, 2018 at 12:34 AM, Pavel Machek <pa...@ucw.cz> wrote: > On Sun 2018-04-15 11:00:06, Kees Cook wrote: >> On Sun, Apr 15, 2018 at 10:39 AM, Pavel Machek <pa...@ucw.cz> wrote: >> > Hi! >> > >> >> Thanks. >> >> >> >> Ok, let me try to bisect it. Compile-problem should be easy... >> >> >> >> Hmm. And as it is compile-problem in single file, it should even be >> >> reasonably fast. I did not realize how easy it would be: >> >> >> >> #!/bin/bash >> >> set -e >> >> cp config.ok .config >> >> yes '' | ARCH=arm make lib/string.o >> >> >> >> And the winner is: >> >> >> >> ee333554fed55555a986a90bb097ac7f9d6f05bf is the first bad commit >> >> commit ee333554fed55555a986a90bb097ac7f9d6f05bf >> >> Author: Jinbum Park <jinb.pa...@gmail.com> >> >> Date: Tue Mar 6 01:39:24 2018 +0100 >> > ... >> > >> >> Acked-by: Kees Cook <keesc...@chromium.org> >> >> Signed-off-by: Jinbum Park <jinb.pa...@gmail.com> >> >> Signed-off-by: Russell King <rmk+ker...@armlinux.org.uk> >> > >> > So I bisect a problem in -next, and patch is merged to Linus, >> > _anyway_, breaking compilation there? Neither Jinbum nor Russell even >> > bother to comment. >> >> Hi! Sorry I lost this email in my inbox. It seems this is specific to >> a particular subset of arm architectures? (My local builds of arm all >> succeed, for example. Can you send your failing config?) I'll take a >> closer look on Monday if Daniel doesn't beat me to it. > > Daniel, Kees: any news? > > I'm aware you did not specify which Monday :-).
Hi! Sorry, I got distracted. So the .config you sent me builds fine with my cross compiler. I suspect this is something specific to ELDK's compiler. I can try some other compiler versions. What version of gcc is failing? -Kees -- Kees Cook Pixel Security