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 _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html