From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Kees Cook <keescook@chromium.org>
Cc: Borislav Petkov <bp@alien8.de>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Will Deacon <will@kernel.org>,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.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 v2 00/29] vmlinux.lds.h: Refactor EXCEPTION_TABLE and NOTES
Date: Wed, 16 Oct 2019 10:28:30 +0200 [thread overview]
Message-ID: <20191016082830.GC4267@osiris> (raw)
In-Reply-To: <20191011000609.29728-1-keescook@chromium.org>
On Thu, Oct 10, 2019 at 05:05:40PM -0700, Kees Cook wrote:
> Arch maintainers: please send Acks (if you haven't already) for your
> respective linker script changes; the intention is for this series to
> land via -tip.
>
> v1: https://lore.kernel.org/lkml/20190926175602.33098-1-keescook@chromium.org
> v2: clean up commit messages, rename RO_EXCEPTION_TABLE (bp)
>
>
> This series works to move the linker sections for NOTES and
> EXCEPTION_TABLE into the RO_DATA area, where they belong on most
> (all?) architectures. The problem being addressed was the discovery
> by Rick Edgecombe that the exception table was accidentally marked
> executable while he was developing his execute-only-memory series. When
> permissions were flipped from readable-and-executable to only-executable,
> the exception table became unreadable, causing things to explode rather
> badly. :)
Feel free to add
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
to every patch in this series which touches s390.
prev parent reply other threads:[~2019-10-16 8:28 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-11 0:05 [PATCH v2 00/29] vmlinux.lds.h: Refactor EXCEPTION_TABLE and NOTES Kees Cook
2019-10-11 0:05 ` [PATCH v2 01/29] powerpc: Rename "notes" PT_NOTE to "note" Kees Cook
2019-10-11 6:00 ` Michael Ellerman
2019-10-11 8:25 ` Segher Boessenkool
2019-10-11 16:11 ` Kees Cook
2019-10-11 16:25 ` Segher Boessenkool
2019-10-15 16:54 ` Borislav Petkov
2019-10-15 17:36 ` Kees Cook
2019-10-29 21:15 ` Kees Cook
2019-10-30 1:01 ` Segher Boessenkool
2019-11-04 8:59 ` Borislav Petkov
2019-10-11 0:05 ` [PATCH v2 02/29] powerpc: Remove PT_NOTE workaround Kees Cook
2019-10-11 6:07 ` Michael Ellerman
2019-10-11 16:09 ` Kees Cook
2019-10-11 0:05 ` [PATCH v2 03/29] powerpc: Rename PT_LOAD identifier "kernel" to "text" Kees Cook
2019-10-11 6:07 ` Michael Ellerman
2019-10-11 0:05 ` [PATCH v2 04/29] alpha: " Kees Cook
2019-10-11 0:05 ` [PATCH v2 05/29] ia64: Rename PT_LOAD identifier "code" " Kees Cook
2019-10-11 0:05 ` [PATCH v2 06/29] s390: Move RO_DATA into "text" PT_LOAD Program Header Kees Cook
2019-10-16 8:25 ` Heiko Carstens
2019-10-11 0:05 ` [PATCH v2 07/29] x86: Restore "text" Program Header with dummy section Kees Cook
2019-10-11 0:05 ` [PATCH v2 08/29] vmlinux.lds.h: Provide EMIT_PT_NOTE to indicate export of .notes Kees Cook
2019-10-11 0:05 ` [PATCH v2 09/29] vmlinux.lds.h: Move Program Header restoration into NOTES macro Kees Cook
2019-10-11 0:05 ` [PATCH v2 10/29] vmlinux.lds.h: Move NOTES into RO_DATA Kees Cook
2019-10-11 0:05 ` [PATCH v2 11/29] vmlinux.lds.h: Replace RODATA with RO_DATA Kees Cook
2019-11-11 16:58 ` Geert Uytterhoeven
2019-11-11 17:23 ` Kees Cook
2019-11-11 18:08 ` Geert Uytterhoeven
2019-11-12 9:07 ` Borislav Petkov
2019-11-12 9:13 ` Geert Uytterhoeven
2019-11-12 20:55 ` Kees Cook
2019-10-11 0:05 ` [PATCH v2 12/29] vmlinux.lds.h: Replace RO_DATA_SECTION " Kees Cook
2019-10-11 7:49 ` Geert Uytterhoeven
2019-10-11 0:05 ` [PATCH v2 13/29] vmlinux.lds.h: Replace RW_DATA_SECTION with RW_DATA Kees Cook
2019-10-11 7:49 ` Geert Uytterhoeven
2019-10-11 0:05 ` [PATCH v2 14/29] vmlinux.lds.h: Allow EXCEPTION_TABLE to live in RO_DATA Kees Cook
2019-10-11 0:05 ` [PATCH v2 15/29] x86: Actually use _etext for end of text segment Kees Cook
2019-10-11 0:05 ` [PATCH v2 16/29] x86: Move EXCEPTION_TABLE to RO_DATA segment Kees Cook
2019-10-11 0:05 ` [PATCH v2 17/29] alpha: " Kees Cook
2019-10-11 0:05 ` [PATCH v2 18/29] arm64: " Kees Cook
2019-10-11 0:05 ` [PATCH v2 19/29] c6x: " Kees Cook
2019-10-11 0:06 ` [PATCH v2 20/29] h8300: " Kees Cook
2019-10-11 0:06 ` [PATCH v2 21/29] ia64: " Kees Cook
2019-10-11 0:06 ` [PATCH v2 22/29] microblaze: " Kees Cook
2019-10-11 0:06 ` [PATCH v2 23/29] parisc: " Kees Cook
2019-10-12 9:50 ` Helge Deller
2019-10-11 0:06 ` [PATCH v2 24/29] powerpc: " Kees Cook
2019-10-11 0:06 ` [PATCH v2 25/29] xtensa: " Kees Cook
2019-10-14 7:41 ` Max Filippov
2019-10-11 0:06 ` [PATCH v2 26/29] x86/mm: Remove redundant &s on addresses Kees Cook
2019-10-11 0:06 ` [PATCH v2 27/29] x86/mm: Report which part of kernel image is freed Kees Cook
2019-10-11 0:06 ` [PATCH v2 28/29] x86/mm: Report actual image regions in /proc/iomem Kees Cook
2019-10-11 0:06 ` [PATCH v2 29/29] x86: Use INT3 instead of NOP for linker fill bytes Kees Cook
2019-10-16 8:28 ` Heiko Carstens [this message]
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