diff --git a/libs/gui/tests/AndroidTest.xml b/libs/gui/tests/AndroidTest.xml
index 31b10d7..b4ccf87 100644
--- a/libs/gui/tests/AndroidTest.xml
+++ b/libs/gui/tests/AndroidTest.xml
@@ -18,6 +18,7 @@
         <option name="cleanup" value="true" />
         <option name="push" value="libgui_test->/data/local/tmp/libgui_test" />
     </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer" />
     <target_preparer class="com.android.tradefed.targetprep.DeviceSetup">
       <option name="force-skip-system-props" value="true" /> <!-- avoid restarting device -->
       <option name="screen-always-on" value="on" />
diff --git a/libs/ui/DisplayIdentification.cpp b/libs/ui/DisplayIdentification.cpp
index a45ffe1..82e5427 100644
--- a/libs/ui/DisplayIdentification.cpp
+++ b/libs/ui/DisplayIdentification.cpp
@@ -47,6 +47,7 @@
     return val ^ (val >> 47);
 }
 
+__attribute__((no_sanitize("unsigned-integer-overflow")))
 uint64_t hash64Len16(uint64_t u, uint64_t v) {
     constexpr uint64_t kMul = 0x9ddfea08eb382d69;
     uint64_t a = (u ^ v) * kMul;
@@ -57,6 +58,7 @@
     return b;
 }
 
+__attribute__((no_sanitize("unsigned-integer-overflow")))
 uint64_t hash64Len0To16(const char* s, uint64_t len) {
     constexpr uint64_t k2 = 0x9ae16a3b2f90404f;
     constexpr uint64_t k3 = 0xc949d7c7509e6557;
@@ -401,4 +403,4 @@
     return hash64Len0To16(sv.data(), len);
 }
 
-} // namespace android
\ No newline at end of file
+} // namespace android