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@xxxxxx>
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@xxxxxx
Signed-off-by: Mike Galbraith <efault@xxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxx are
kasan-do-not-sanitize-kexec-purgatory.patch
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