linux-kernel - Re: MAP_FIXED_NOREPLACE appears to break older i386 binaries

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Message-ID: <CAHk-=wh6jhO1X3VZuZ28aA4m0k6wGhkHRRrJSQpQ69N901D7Mw@mail.gmail.com>
Date:   Sun, 6 Oct 2019 11:07:52 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Russell King - ARM Linux admin <linux@...linux.org.uk>
Cc:     Kees Cook <keescook@...omium.org>, Michal Hocko <mhocko@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: MAP_FIXED_NOREPLACE appears to break older i386 binaries

On Sun, Oct 6, 2019 at 6:09 AM Russell King - ARM Linux admin
<linux@...linux.org.uk> wrote:
>
> However, I think it _is_ worth highlighting that we seem to have broken
> binary compatibility with older i386 userspace with newer kernels.

Yes, we should get this fixed. But I continue to ask you to point to
the actual binaries for testing..

                Linus