From: Jiaxun Yang <jiaxun.yang@flygoat.com>
To: linux-mips@linux-mips.org
Subject: Re: [PATCH V3] ZBOOT: fix stack protector in compressed boot phase
Date: Sat, 17 Mar 2018 19:43:48 +0800 [thread overview]
Message-ID: <1521287028.20119.2.camel@flygoat.com> (raw)
In-Reply-To: <1521186916-13745-1-git-send-email-chenhc@lemote.com>
在 2018-03-16五的 15:55 +0800，Huacai Chen写道：
> Call __stack_chk_guard_setup() in decompress_kernel() is too late
> that
> stack checking always fails for decompress_kernel() itself. So remove
> __stack_chk_guard_setup() and initialize __stack_chk_guard before we
> call decompress_kernel().
>
> Original code comes from ARM but also used for MIPS and SH, so fix
> them
> together. If without this fix, compressed booting of these archs will
> fail because stack checking is enabled by default (>=4.16).
>
> V2: Fix build on ARM.
> V3: Fix build on SuperH.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Huacai Chen <chenhc@lemote.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
It works fine on MIPS(Loongson-3A3000) and arm (Allwinner H3)
platforms.
Thanks!
> ---
> arch/arm/boot/compressed/head.S | 4 ++++
> arch/arm/boot/compressed/misc.c | 7 -------
> arch/mips/boot/compressed/decompress.c | 7 -------
> arch/mips/boot/compressed/head.S | 4 ++++
> arch/sh/boot/compressed/head_32.S | 8 ++++++++
> arch/sh/boot/compressed/head_64.S | 4 ++++
> arch/sh/boot/compressed/misc.c | 7 -------
> 7 files changed, 20 insertions(+), 21 deletions(-)
>
--
Jiaxun Yang <jiaxun.yang@flygoat.com>
next prev parent reply other threads:[~2018-03-17 11:44 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20180316075352epcas5p3d95b13f9382ff7bbce83b8177e8e3ad6@epcas5p3.samsung.com>
2018-03-16 7:55 ` [PATCH V3] ZBOOT: fix stack protector in compressed boot phase Huacai Chen
2018-03-16 7:55 ` Huacai Chen
2018-03-16 7:55 ` Huacai Chen
2018-03-16 22:13 ` Andrew Morton
2018-03-16 22:13 ` Andrew Morton
2018-03-16 22:13 ` Andrew Morton
2018-03-16 23:13 ` Rich Felker
2018-03-16 23:13 ` Rich Felker
2018-03-16 23:13 ` Rich Felker
2018-03-17 11:43 ` Jiaxun Yang [this message]
2018-03-22 22:21 ` James Hogan
2018-03-22 22:21 ` James Hogan
2018-03-22 22:21 ` James Hogan
2018-03-23 3:50 ` Jiaxun Yang
2018-03-23 3:50 ` Jiaxun Yang
2018-03-23 3:50 ` Jiaxun Yang
2018-03-23 3:50 ` Jiaxun Yang
2018-03-23 3:50 ` Jiaxun Yang
2018-03-23 21:08 ` James Hogan
2018-03-23 21:08 ` James Hogan
2018-03-23 21:08 ` James Hogan
2018-03-23 8:14 ` Marek Szyprowski
2018-03-23 8:14 ` Marek Szyprowski
2018-03-23 8:14 ` Marek Szyprowski
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