The patch titled
Subject: efi: avoid fortify checks in EFI stub
has been added to the -mm tree. Its filename is
efi-avoid-fortify-checks-in-efi-stub.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/efi-avoid-fortify-checks-in-efi-stub.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/efi-avoid-fortify-checks-in-efi-stub.patch
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------------------------------------------------------
From: Kees Cook <keescook@xxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Suggested-by: Daniel Micay <danielmicay@xxxxxxxxx>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Acked-by: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/firmware/efi/libstub/Makefile | 1 +
1 file changed, 1 insertion(+)
diff -puN drivers/firmware/efi/libstub/Makefile~efi-avoid-fortify-checks-in-efi-stub drivers/firmware/efi/libstub/Makefile
--- a/drivers/firmware/efi/libstub/Makefile~efi-avoid-fortify-checks-in-efi-stub
+++ a/drivers/firmware/efi/libstub/Makefile
@@ -17,6 +17,7 @@ cflags-$(CONFIG_ARM) := $(subst -pg,,$(
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)
_
Patches currently in -mm which might be from keescook@xxxxxxxxxxxx are
ipc-drop-non-rcu-allocation.patch
ipc-sem-do-not-use-ipc_rcu_free.patch
ipc-shm-do-not-use-ipc_rcu_free.patch
ipc-msg-do-not-use-ipc_rcu_free.patch
ipc-util-drop-ipc_rcu_free.patch
ipc-sem-avoid-ipc_rcu_alloc.patch
ipc-shm-avoid-ipc_rcu_alloc.patch
ipc-msg-avoid-ipc_rcu_alloc.patch
ipc-util-drop-ipc_rcu_alloc.patch
ipc-move-atomic_set-to-where-it-is-needed.patch
ipc-shm-remove-special-shm_alloc-free.patch
ipc-msg-remove-special-msg_alloc-free.patch
ipc-sem-drop-__sem_free.patch
efi-avoid-fortify-checks-in-efi-stub.patch
x86-power-64-use-char-arrays-for-asm-function-names.patch
kexec_file-adjust-declaration-of-kexec_purgatory.patch
ib-rxe-do-not-copy-extra-stack-memory-to-skb.patch
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