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| author | Kees Cook <keescook@chromium.org> | 2017-07-12 14:35:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-12 16:26:02 -0700 |
| commit | 3e2c044a54e6b6373606f8ffad42a4a0759fcf3d (patch) | |
| tree | 34382bf11ed711b1fe4d0963924888dabc377db1 | |
| parent | 2104180a53698df5aec35aed5f840a26ade0551d (diff) | |
| download | linux-3e2c044a54e6b6373606f8ffad42a4a0759fcf3d.tar.gz linux-3e2c044a54e6b6373606f8ffad42a4a0759fcf3d.tar.bz2 linux-3e2c044a54e6b6373606f8ffad42a4a0759fcf3d.zip | |
efi: avoid fortify checks in EFI stub
This avoids CONFIG_FORTIFY_SOURCE from being enabled during the EFI stub
build, as adding a panic() implementation may not work well. This can
be adjusted in the future.
Link: http://lkml.kernel.org/r/1497903987-21002-2-git-send-email-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Suggested-by: Daniel Micay <danielmicay@gmail.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/firmware/efi/libstub/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index f7425960f6a5..37e24f525162 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -17,6 +17,7 @@ cflags-$(CONFIG_ARM) := $(subst -pg,,$(KBUILD_CFLAGS)) \ cflags-$(CONFIG_EFI_ARMSTUB) += -I$(srctree)/scripts/dtc/libfdt KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \ + -D__NO_FORTIFY \ $(call cc-option,-ffreestanding) \ $(call cc-option,-fno-stack-protector) |