From: Borislav Petkov <bp@alien8.de>
To: Kees Cook <keescook@chromium.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Michal Simek <monstr@monstr.eu>,
linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 28/29] x86/mm: Report actual image regions in /proc/iomem
Date: Thu, 10 Oct 2019 20:00:08 +0200 [thread overview]
Message-ID: <20191010180008.GH7658@zn.tnic> (raw)
In-Reply-To: <20190926175602.33098-29-keescook@chromium.org>
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.
https://people.kernel.org/tglx/notes-about-netiquette
WARNING: multiple messages have this Message-ID (diff)
From: Borislav Petkov <bp@alien8.de>
To: Kees Cook <keescook@chromium.org>
Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org,
Michal Simek <monstr@monstr.eu>,
linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-c6x-dev@linux-c6x.org, Arnd Bergmann <arnd@arndb.de>,
linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, Yoshinori Sato <ysato@users.sourceforge.jp>,
Ingo Molnar <mingo@redhat.com>,
linux-parisc@vger.kernel.org, Andy Lutomirski <luto@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 28/29] x86/mm: Report actual image regions in /proc/iomem
Date: Thu, 10 Oct 2019 20:00:08 +0200 [thread overview]
Message-ID: <20191010180008.GH7658@zn.tnic> (raw)
In-Reply-To: <20190926175602.33098-29-keescook@chromium.org>
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.
https://people.kernel.org/tglx/notes-about-netiquette
WARNING: multiple messages have this Message-ID (diff)
From: Borislav Petkov <bp@alien8.de>
To: Kees Cook <keescook@chromium.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Michal Simek <monstr@monstr.eu>,
linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 28/29] x86/mm: Report actual image regions in /proc/iomem
Date: Thu, 10 Oct 2019 18:00:08 +0000 [thread overview]
Message-ID: <20191010180008.GH7658@zn.tnic> (raw)
In-Reply-To: <20190926175602.33098-29-keescook@chromium.org>
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.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2019-10-10 18:00 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-26 17:55 [PATCH 00/29] vmlinux.lds.h: Refactor EXCEPTION_TABLE and NOTES Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 01/29] powerpc: Rename "notes" PT_NOTE to "note" Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 02/29] powerpc: Remove PT_NOTE workaround Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 03/29] powerpc: Rename PT_LOAD identifier "kernel" to "text" Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 04/29] alpha: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 05/29] ia64: Rename PT_LOAD identifier "code" " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 06/29] s390: Move RO_DATA into "text" PT_LOAD Program Header Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 07/29] x86: Restore "text" Program Header with dummy section Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-10-10 10:33 ` Borislav Petkov
2019-10-10 10:33 ` Borislav Petkov
2019-10-10 10:33 ` Borislav Petkov
2019-10-10 16:46 ` Kees Cook
2019-10-10 16:46 ` Kees Cook
2019-10-10 16:46 ` Kees Cook
2019-09-26 17:55 ` [PATCH 08/29] vmlinux.lds.h: Provide EMIT_PT_NOTE to indicate export of .notes Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-10-10 10:40 ` Borislav Petkov
2019-10-10 10:40 ` Borislav Petkov
2019-10-10 10:40 ` Borislav Petkov
2019-09-26 17:55 ` [PATCH 09/29] vmlinux.lds.h: Move Program Header restoration into NOTES macro Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 10/29] vmlinux.lds.h: Move NOTES into RO_DATA Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 11/29] vmlinux.lds.h: Replace RODATA with RO_DATA Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 12/29] vmlinux.lds.h: Replace RO_DATA_SECTION " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 13/29] vmlinux.lds.h: Replace RW_DATA_SECTION with RW_DATA Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 14/29] vmlinux.lds.h: Allow EXCEPTION_TABLE to live in RO_DATA Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-10-01 9:05 ` Will Deacon
2019-10-01 9:05 ` Will Deacon
2019-10-01 9:05 ` Will Deacon
2019-10-10 15:25 ` Borislav Petkov
2019-10-10 15:25 ` Borislav Petkov
2019-10-10 15:25 ` Borislav Petkov
2019-10-10 16:47 ` Kees Cook
2019-10-10 16:47 ` Kees Cook
2019-10-10 16:47 ` Kees Cook
2019-09-26 17:55 ` [PATCH 15/29] x86: Actually use _etext for end of text segment Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 16/29] x86: Move EXCEPTION_TABLE to RO_DATA segment Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 17/29] alpha: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 18/29] arm64: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-10-01 9:03 ` Will Deacon
2019-10-01 9:03 ` Will Deacon
2019-10-01 9:03 ` Will Deacon
2019-10-01 15:48 ` Kees Cook
2019-10-01 15:48 ` Kees Cook
2019-10-01 15:48 ` Kees Cook
2019-09-26 17:55 ` [PATCH 19/29] c6x: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 20/29] h8300: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 21/29] ia64: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 22/29] microblaze: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 23/29] parisc: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 24/29] powerpc: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 25/29] xtensa: " Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` [PATCH 26/29] x86/mm: Remove redundant &s on addresses Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:55 ` Kees Cook
2019-09-26 17:56 ` [PATCH 27/29] x86/mm: Report which part of kernel image is freed Kees Cook
2019-09-26 17:56 ` Kees Cook
2019-09-26 17:56 ` Kees Cook
2019-09-26 17:56 ` [PATCH 28/29] x86/mm: Report actual image regions in /proc/iomem Kees Cook
2019-09-26 17:56 ` Kees Cook
2019-09-26 17:56 ` Kees Cook
2019-10-10 18:00 ` Borislav Petkov [this message]
2019-10-10 18:00 ` Borislav Petkov
2019-10-10 18:00 ` Borislav Petkov
2019-09-26 17:56 ` [PATCH 29/29] x86: Use INT3 instead of NOP for linker fill bytes Kees Cook
2019-09-26 17:56 ` Kees Cook
2019-09-26 17:56 ` Kees Cook
2019-10-10 18:03 ` [PATCH 00/29] vmlinux.lds.h: Refactor EXCEPTION_TABLE and NOTES Borislav Petkov
2019-10-10 18:03 ` Borislav Petkov
2019-10-10 18:03 ` Borislav Petkov
2019-10-10 23:57 ` Kees Cook
2019-10-10 23:57 ` Kees Cook
2019-10-10 23:57 ` Kees Cook
2019-10-11 1:38 ` hpa
2019-10-11 1:38 ` hpa
2019-10-11 1:38 ` hpa
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