linux-kernel - Re: [PATCH v5 0/2] arm: kasan: support CONFIG_KASAN

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Date:   Wed, 27 Apr 2022 22:33:49 +0800
From:   Lecopzer Chen <lecopzer.chen@...iatek.com>
To:     <linus.walleij@...aro.org>
CC:     <andreyknvl@...il.com>, <anshuman.khandual@....com>,
        <ardb@...nel.org>, <arnd@...db.de>, <dvyukov@...gle.com>,
        <geert+renesas@...der.be>, <glider@...gle.com>,
        <kasan-dev@...glegroups.com>, <lecopzer.chen@...iatek.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux@...linux.org.uk>,
        <lukas.bulwahn@...il.com>, <mark.rutland@....com>,
        <masahiroy@...nel.org>, <matthias.bgg@...il.com>,
        <rmk+kernel@...linux.org.uk>, <ryabinin.a.a@...il.com>,
        <yj.chiang@...iatek.com>
Subject: Re: [PATCH v5 0/2] arm: kasan: support CONFIG_KASAN_VMALLOC

> On Wed, Apr 27, 2022 at 11:59 AM Lecopzer Chen
> <lecopzer.chen@...iatek.com> wrote:
> 
> > Since the framework of KASAN_VMALLOC is well-developed,
> > It's easy to support for ARM that simply not to map shadow of VMALLOC
> > area on kasan_init.
> >
> > Since the virtual address of vmalloc for Arm is also between
> > MODULE_VADDR and 0x100000000 (ZONE_HIGHMEM), which means the shadow
> > address has already included between KASAN_SHADOW_START and
> > KASAN_SHADOW_END.
> > Thus we need to change nothing for memory map of Arm.
> >
> > This can fix ARM_MODULE_PLTS with KASan, support KASan for higmem
> > and support CONFIG_VMAP_STACK with KASan.
> 
> Excellent Lecopzer,
> 
> can you put these patches into Russell's patch tracker so he can pick them?
> https://www.armlinux.org.uk/developer/patches/
> 
> Yours,
> Linus Walleij


I've added
9202/1 	kasan: support CONFIG_KASAN_VMALLOC
9203/1 	kconfig: fix MODULE_PLTS for KASAN with KASAN_VMALLOC

Thank you very much

BRs,
Lecopzer