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Merge "Fix fuzzer builds." am: 65dbf9bfb3 

am: 164b2532a6

Change-Id: I149780657e1ab209240e4488662eb06c2d2f5d50
This commit is contained in:
Mitch Phillips 2019-05-21 18:40:35 -07:00 committed by android-build-merger
parent 0e4e6f52b3 164b2532a6
commit e293edfa2e
3 changed files with 20 additions and 11 deletions
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26
core/config_sanitizers.mk
View File

@ -235,12 +235,17 @@ ifneq ($(filter default-ub,$(my_sanitize)),)
my_sanitize := $(CLANG_DEFAULT_UB_CHECKS) my_sanitize := $(CLANG_DEFAULT_UB_CHECKS)
endif endif
ifneq ($(filter coverage,$(my_sanitize)),) ifneq ($(filter fuzzer,$(my_sanitize)),)
ifeq ($(filter address,$(my_sanitize)),) # SANITIZE_TARGET='fuzzer' actually means to create the fuzzer coverage
$(error $(LOCAL_PATH): $(LOCAL_MODULE): Use of 'coverage' also requires 'address') # information, not to link against the fuzzer main().
endif my_sanitize := $(filter-out fuzzer,$(my_sanitize))
my_cflags += -fsanitize-coverage=trace-pc-guard,indirect-calls,trace-cmp my_sanitize += fuzzer-no-link
my_sanitize := $(filter-out coverage,$(my_sanitize))
# TODO(b/131771163): Disable LTO for fuzzer builds. Note that Cfi causes
# dependency on LTO.
my_sanitize := $(filter-out cfi,$(my_sanitize))
my_cflags += -fno-lto
my_ldflags += -fno-lto
endif endif
ifneq ($(filter integer_overflow,$(my_sanitize)),) ifneq ($(filter integer_overflow,$(my_sanitize)),)
@ -280,7 +285,12 @@ ifneq ($(my_sanitize),)
my_cflags += -fsanitize=$(fsanitize_arg) my_cflags += -fsanitize=$(fsanitize_arg)
my_asflags += -fsanitize=$(fsanitize_arg) my_asflags += -fsanitize=$(fsanitize_arg)
ifdef LOCAL_IS_HOST_MODULE # When fuzzing, we wish to crash with diagnostics on any bug.
ifneq ($(filter fuzzer-no-link,$(my_sanitize)),)
my_cflags += -fno-sanitize-trap=all
my_cflags += -fno-sanitize-recover=all
my_ldflags += -fsanitize=fuzzer-no-link
else ifdef LOCAL_IS_HOST_MODULE
my_cflags += -fno-sanitize-recover=all my_cflags += -fno-sanitize-recover=all
my_ldflags += -fsanitize=$(fsanitize_arg) my_ldflags += -fsanitize=$(fsanitize_arg)
else else
@ -378,7 +388,7 @@ ifeq ($(LOCAL_IS_HOST_MODULE)$(LOCAL_IS_AUX_MODULE),)
ifneq ($(filter unsigned-integer-overflow signed-integer-overflow integer,$(my_sanitize)),) ifneq ($(filter unsigned-integer-overflow signed-integer-overflow integer,$(my_sanitize)),)
ifeq ($(filter unsigned-integer-overflow signed-integer-overflow integer,$(my_sanitize_diag)),) ifeq ($(filter unsigned-integer-overflow signed-integer-overflow integer,$(my_sanitize_diag)),)
ifeq ($(filter cfi,$(my_sanitize_diag)),) ifeq ($(filter cfi,$(my_sanitize_diag)),)
ifeq ($(filter address hwaddress,$(my_sanitize)),) ifeq ($(filter address hwaddress fuzzer-no-link,$(my_sanitize)),)
my_cflags += -fsanitize-minimal-runtime my_cflags += -fsanitize-minimal-runtime
my_cflags += -fno-sanitize-trap=integer my_cflags += -fno-sanitize-trap=integer
my_cflags += -fno-sanitize-recover=integer my_cflags += -fno-sanitize-recover=integer

3
core/fuzz_test.mk
View File

@ -15,8 +15,7 @@ else ifdef TARGET_FUZZ_ENGINE
my_fuzzer:=$(TARGET_FUZZ_ENGINE) my_fuzzer:=$(TARGET_FUZZ_ENGINE)
endif endif
LOCAL_SANITIZE += fuzzer
LOCAL_CFLAGS += -fsanitize-coverage=trace-pc-guard,indirect-calls,trace-cmp
ifeq ($(my_fuzzer),libFuzzer) ifeq ($(my_fuzzer),libFuzzer)
LOCAL_STATIC_LIBRARIES += libFuzzer LOCAL_STATIC_LIBRARIES += libFuzzer

2
core/host_fuzz_test.mk
View File

@ -4,7 +4,7 @@
################################################ ################################################
$(call record-module-type,HOST_FUZZ_TEST) $(call record-module-type,HOST_FUZZ_TEST)
LOCAL_CFLAGS += -fsanitize-coverage=trace-pc-guard,indirect-calls,trace-cmp LOCAL_SANITIZE += fuzzer
LOCAL_STATIC_LIBRARIES += libLLVMFuzzer LOCAL_STATIC_LIBRARIES += libLLVMFuzzer
include $(BUILD_HOST_EXECUTABLE) include $(BUILD_HOST_EXECUTABLE)