[prev in list] [next in list] [prev in thread] [next in thread]
List: kernel-hardening
Subject: [PATCH v7 13/17] drivers/misc/lkdtm: disable LTO for rodata.o
From: Sami Tolvanen <samitolvanen () google ! com>
Date: 2020-11-18 22:07:27
Message-ID: 20201118220731.925424-14-samitolvanen () google ! com
[Download RAW message or body]
Disable LTO for rodata.o to allow objcopy to be used to
manipulate sections.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
---
drivers/misc/lkdtm/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/lkdtm/Makefile b/drivers/misc/lkdtm/Makefile
index c70b3822013f..dd4c936d4d73 100644
--- a/drivers/misc/lkdtm/Makefile
+++ b/drivers/misc/lkdtm/Makefile
@@ -13,6 +13,7 @@ lkdtm-$(CONFIG_LKDTM) += cfi.o
KASAN_SANITIZE_stackleak.o := n
KCOV_INSTRUMENT_rodata.o := n
+CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO)
OBJCOPYFLAGS :=
OBJCOPYFLAGS_rodata_objcopy.o := \
--
2.29.2.299.gdc1121823c-goog
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic