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libcutils: enable LOCAL_SANITIZE := integer

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Call abort() on undefined or sketchy integer behavior.
Protects against integer overflow attacks.

Tested on Nexus 5 and Nexus 9 with no obvious problems.

Change-Id: I6cb28b4a0f5feed69ea472dfac8804fb0bf99719
This commit is contained in:
Nick Kralevich 2015-08-26 11:32:31 -07:00
parent 532e6cde99
commit fc82dd9179
1 changed files with 4 additions and 0 deletions
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4
libcutils/Android.mk
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@ -123,6 +123,8 @@ LOCAL_SRC_FILES_x86_64 += \
LOCAL_C_INCLUDES := $(libcutils_c_includes)
LOCAL_STATIC_LIBRARIES := liblog
LOCAL_CFLAGS += -Werror -Wall -Wextra -std=gnu90
LOCAL_CLANG := true
LOCAL_SANITIZE := integer
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
@ -133,6 +135,8 @@ LOCAL_WHOLE_STATIC_LIBRARIES := libcutils liblog
LOCAL_SHARED_LIBRARIES := liblog
LOCAL_CFLAGS += -Werror -Wall -Wextra
LOCAL_C_INCLUDES := $(libcutils_c_includes)
LOCAL_CLANG := true
LOCAL_SANITIZE := integer
include $(BUILD_SHARED_LIBRARY)
include $(call all-makefiles-under,$(LOCAL_PATH))