[regression v4.17-rc0] Re: FORTIFY_SOURCE breaks ARM compilation in -next -- was Re: ARM compile failure in Re: linux-next: Tree for Apr 4

From: Pavel Machek
Date: Sun Apr 15 2018 - 13:39:15 EST


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.park7@xxxxxxxxx>
> Date: Tue Mar 6 01:39:24 2018 +0100
...

> Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Signed-off-by: Jinbum Park <jinb.park7@xxxxxxxxx>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>

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.

And BTW, Russell, there's another regression I bisected to your
commit, that one is like two releases old, and "only" causes
compilation warnings during build with non-US locale. I even proposed
fix for that. Guess what? Ignored too.


Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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