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

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Message-ID: <CAHk-=wg14VfTec2AiW0iSVUzj2x2_PYffH9O5sDV5ZRagjQwRg@mail.gmail.com>
Date:   Sun, 6 Oct 2019 14:14:59 -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 11:07 AM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> Yes, we should get this fixed. But I continue to ask you to point to
> the actual binaries for testing..

Just to bring the resolution back publicly to lkml after rmk sent me
test binaries in private email, the end result is commit b212921b13bd
("elf: don't use MAP_FIXED_NOREPLACE for elf executable mappings").

             Linus