linux-kernel - [PATCH v2 0/2] arm: Add ARCH_HAS_FORTIFY

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Message-ID: <20180305111708.GA4156@pjb1027-Latitude-E5410>
Date:   Mon, 5 Mar 2018 20:17:08 +0900
From:   Jinbum Park <jinb.park7@...il.com>
To:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-hardening@...ts.openwall.com
Cc:     gregkh@...uxfoundation.org, tglx@...utronix.de,
        kstewart@...uxfoundation.org, luto@...capital.net,
        dsafonov@...tuozzo.com, keescook@...omium.org, will.deacon@....com,
        mark.rutland@....com, danielmicay@...il.com, arnd@...db.de,
        catalin.marinas@....com
Subject: [PATCH v2 0/2] arm: Add ARCH_HAS_FORTIFY_SOURCE

Hi,

This patch series are to select ARCH_HAS_FORTIFY_SOUCE on arm.
A lot of architectures already select ARCH_HAS_FORTIFY_SOURCE
to support CONFIG_FORTIFY_SOURCE that detects overflows at compile-time.
(6974f0c4555e ("include/linux/string.h:
add the option of fortified string.h functions)
ARM can be built and run with CONFIG_FORTIFY_SOURCE.

Additionally, modify vdso.c to remove compile-error that happens
when built arm kernel with CONFIG_FORTIFY_SOURCE.

v2 : 
Fix build error reported by kbuild test robot.
- Add fortify_panic() in arch/arm/boot/compressed/misc.c,
  because arch/arm/boot/compressed/* can't find that function.

Jinbum Park (2):
  arm: mm: Define vdso_start, vdso_end as array
  arm: Kconfig: Add ARCH_HAS_FORTIFY_SOURCE

 arch/arm/Kconfig            |  1 +
 arch/arm/include/asm/vdso.h |  2 --
 arch/arm/kernel/vdso.c      | 12 +++++++-----
 3 files changed, 8 insertions(+), 7 deletions(-)

-- 
1.9.1