linux-hardening - Re: [PATCH] elf: Relax assumptions about vaddr ordering

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Message-Id: <20220201144816.f84bafcf45c21d01fbc3880a@linux-foundation.org>
Date:   Tue, 1 Feb 2022 14:48:16 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Alexey Dobriyan <adobriyan@...il.com>,
        Magnus Groß <magnus.gross@...h-aachen.de>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Eric Biederman <ebiederm@...ssion.com>,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] elf: Relax assumptions about vaddr ordering

On Fri, 28 Jan 2022 14:30:12 -0800 Kees Cook <keescook@...omium.org> wrote:

> Andrew, can you update elf-fix-overflow-in-total-mapping-size-calculation.patch
> to include:
> 
> Fixes: 5f501d555653 ("binfmt_elf: reintroduce using MAP_FIXED_NOREPLACE")
> Cc: stable@...r.kernel.org
> Acked-by: Kees Cook <keescook@...omium.org>

Done.

I'm taking it that we can omit this patch ("elf: Relax assumptions
about vaddr ordering") and that Alexey's "ELF: fix overflow in total
mapping size calculation" will suffice?