Re: [PATCH 28/29] x86/mm: Report actual image regions in /proc/iomem
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- To: Kees Cook <keescook@xxxxxxxxxxxx>
- Subject: Re: [PATCH 28/29] x86/mm: Report actual image regions in /proc/iomem
- From: Borislav Petkov <bp@xxxxxxxxx>
- Date: Thu, 10 Oct 2019 20:00:08 +0200
- Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, linux-arch@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>, linux-parisc@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <20190926175602.33098-29-keescook@chromium.org>
- References: <20190926175602.33098-1-keescook@chromium.org> <20190926175602.33098-29-keescook@chromium.org>
- User-agent: Mutt/1.10.1 (2018-07-13)
On Thu, Sep 26, 2019 at 10:56:01AM -0700, Kees Cook wrote:
> The resource reservations in made for the kernel image did not reflect
^
/proc/iomem
> the gaps between text, rodata, and data. This adds the rodata resource
s/This adds/Add/
> and updates the start/end calculations to match the respective calls to
s/updates/update/
> free_kernel_image_pages().
>
> Before (booted with "nokaslr" for easier comparison):
...
--
Regards/Gruss,
Boris.
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