linux-kernel - Re: [PATCH 3/7] Disable instrumentation for some code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <B8AC3E80E903784988AB3003E3E97330C007748D@dggemm510-mbs.china.huawei.com>
Date:   Sat, 24 Mar 2018 11:39:15 +0000
From:   "Liuwenliang (Abbott Liu)" <liuwenliang@...wei.com>
To:     Marc Zyngier <marc.zyngier@....com>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "aryabinin@...tuozzo.com" <aryabinin@...tuozzo.com>,
        "kstewart@...uxfoundation.org" <kstewart@...uxfoundation.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "afzal.mohd.ma@...il.com" <afzal.mohd.ma@...il.com>,
        "alexander.levin@...izon.com" <alexander.levin@...izon.com>
CC:     "glider@...gle.com" <glider@...gle.com>,
        "dvyukov@...gle.com" <dvyukov@...gle.com>,
        "christoffer.dall@...aro.org" <christoffer.dall@...aro.org>,
        "linux@...musvillemoes.dk" <linux@...musvillemoes.dk>,
        "mawilcox@...rosoft.com" <mawilcox@...rosoft.com>,
        "pombredanne@...b.com" <pombredanne@...b.com>,
        "ard.biesheuvel@...aro.org" <ard.biesheuvel@...aro.org>,
        "vladimir.murzin@....com" <vladimir.murzin@....com>,
        "nicolas.pitre@...aro.org" <nicolas.pitre@...aro.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "thgarnie@...gle.com" <thgarnie@...gle.com>,
        "dhowells@...hat.com" <dhowells@...hat.com>,
        "keescook@...omium.org" <keescook@...omium.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "geert@...ux-m68k.org" <geert@...ux-m68k.org>,
        "tixy@...aro.org" <tixy@...aro.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "james.morse@....com" <james.morse@....com>,
        "zhichao.huang@...aro.org" <zhichao.huang@...aro.org>,
        "jinb.park7@...il.com" <jinb.park7@...il.com>,
        "labbott@...hat.com" <labbott@...hat.com>,
        "philip@....systems" <philip@....systems>,
        "grygorii.strashko@...aro.org" <grygorii.strashko@...aro.org>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "opendmb@...il.com" <opendmb@...il.com>,
        "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kasan-dev@...glegroups.com" <kasan-dev@...glegroups.com>,
        "kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH 3/7] Disable instrumentation for some code

On 19/03/2018 16:38, Marc Zyngier wrote:
>You need to extend this at least to arch/arm/kvm/hyp/Makefile, as the
>KASAN shadow region won't be mapped in HYP. See commit a6cdf1c08cbfe for
>more details (all the arm64 comments in this patch apply to 32bit as well).
Thanks for your review.
I will disable the instrumentation of arch/arm/kvm/hyp in the next version. 
Just like this:
liuwenliang@...ux:/home/soft_disk/yocto/linux-git/linux> git diff
diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile
index 63d6b40..0a8b500 100644
--- a/arch/arm/kvm/hyp/Makefile
+++ b/arch/arm/kvm/hyp/Makefile
@@ -24,3 +24,7 @@ obj-$(CONFIG_KVM_ARM_HOST) += hyp-entry.o
 obj-$(CONFIG_KVM_ARM_HOST) += switch.o
 CFLAGS_switch.o                   += $(CFLAGS_ARMV7VE)
 obj-$(CONFIG_KVM_ARM_HOST) += s2-setup.o
+
+GCOV_PROFILE	:= n
+KASAN_SANITIZE	:= n
+UBSAN_SANITIZE	:= n