From 83f739f0104f026c95aececb06d47d205b1405fc Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Fri, 4 Aug 2023 00:50:41 +0100
Subject: [PATCH] libafl_cc using hwasan on Linux/Android arm64 (#1399)

---
 libafl_cc/src/lib.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libafl_cc/src/lib.rs b/libafl_cc/src/lib.rs
index 499e85aa1c..1793b8ff42 100644
--- a/libafl_cc/src/lib.rs
+++ b/libafl_cc/src/lib.rs
@@ -104,6 +104,16 @@ impl Configuration {
     pub fn to_flags(&self) -> Result<Vec<String>, Error> {
         Ok(match self {
             Configuration::Default => vec![],
+            // hardware asan is more memory efficient than asan on arm64
+            #[cfg(all(
+                any(target_os = "linux", target_os = "android"),
+                target_arch = "aarch64"
+            ))]
+            Configuration::AddressSanitizer => vec!["-fsanitize=hwaddress".to_string()],
+            #[cfg(not(all(
+                any(target_os = "linux", target_os = "android"),
+                target_arch = "aarch64"
+            )))]
             Configuration::AddressSanitizer => vec!["-fsanitize=address".to_string()],
             Configuration::UndefinedBehaviorSanitizer => vec!["-fsanitize=undefined".to_string()],
             Configuration::GenerateCoverageMap => {