ANDROID: Add a build config fragment for KHWASan.
Bug: 182998770
Bug: 171327997
Bug: 170327170
Change-Id: I20db6a698b4d995f94bd592023a2a0b08b1f9548
Signed-off-by: Peter Collingbourne <pcc@google.com>
diff --git a/build.config.khwasan b/build.config.khwasan
new file mode 100644
index 0000000..c8e0c5e
--- /dev/null
+++ b/build.config.khwasan
@@ -0,0 +1,17 @@
+append_cmd POST_DEFCONFIG_CMDS update_khwasan_config
+
+function update_khwasan_config() {
+ ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+ -e CONFIG_KASAN \
+ -d CONFIG_KASAN_HW_TAGS \
+ -e CONFIG_KASAN_SW_TAGS \
+ -e CONFIG_KASAN_OUTLINE \
+ -e CONFIG_KASAN_PANIC_ON_WARN \
+ -e CONFIG_KCOV \
+ -e CONFIG_PANIC_ON_WARN_DEFAULT_ENABLE \
+ -d CONFIG_RANDOMIZE_BASE \
+ --set-val CONFIG_FRAME_WARN 0 \
+ -d SHADOW_CALL_STACK
+ (cd ${OUT_DIR} && \
+ make O=${OUT_DIR} "${TOOL_ARGS[@]}" ${MAKE_ARGS} olddefconfig)
+}