+ kasan-do-not-sanitize-kexec-purgatory.patch added to -mm tree

+ kasan-do-not-sanitize-kexec-purgatory.patch added to -mm tree

[akpm]

The patch titled
     Subject: kasan: do not sanitize kexec purgatory
has been added to the -mm tree.  Its filename is
     kasan-do-not-sanitize-kexec-purgatory.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/kasan-do-not-sanitize-kexec-purgatory.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/kasan-do-not-sanitize-kexec-purgatory.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Mike Galbraith <efault@gmx.de>
Subject: kasan: do not sanitize kexec purgatory

[   24.121074] kexec: Undefined symbol: __asan_load8_noabort
[   24.121999] kexec-bzImage64: Loading purgatory failed

Link: http://lkml.kernel.org/r/1489672155.4458.7.camel@gmx.de
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/x86/purgatory/Makefile |    1 +
 1 file changed, 1 insertion(+)

diff -puN arch/x86/purgatory/Makefile~kasan-do-not-sanitize-kexec-purgatory arch/x86/purgatory/Makefile
--- a/arch/x86/purgatory/Makefile~kasan-do-not-sanitize-kexec-purgatory
+++ a/arch/x86/purgatory/Makefile
@@ -8,6 +8,7 @@ PURGATORY_OBJS = $(addprefix $(obj)/,$(p
 LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib
 targets += purgatory.ro
 
+KASAN_SANITIZE	:= n
 KCOV_INSTRUMENT := n
 
 # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That
_

Patches currently in -mm which might be from efault@gmx.de are

kasan-do-not-sanitize-kexec-purgatory.patch