| # |
| # Copyright (C) 2023 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| # Enables more comprehensive detection of memory errors on hardware that |
| # supports the ARM Memory Tagging Extension (MTE), by building the image with |
| # MTE stack instrumentation and forcing MTE on in SYNC mode in all processes. |
| # For more details, see: |
| # https://source.android.com/docs/security/test/memory-safety/arm-mte |
| ifeq ($(filter memtag_heap,$(SANITIZE_TARGET)),) |
| SANITIZE_TARGET := $(strip $(SANITIZE_TARGET) memtag_heap memtag_stack) |
| SANITIZE_TARGET_DIAG := $(strip $(SANITIZE_TARGET_DIAG) memtag_heap) |
| endif |
| PRODUCT_PRODUCT_PROPERTIES += persist.arm64.memtag.default=sync |
| PRODUCT_SCUDO_ALLOCATION_RING_BUFFER_SIZE := 131072 |
