diff --git a/services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java b/services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java
index be2107529f8b4..524f13cba4d14 100644
--- a/services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java
+++ b/services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java
@@ -474,6 +474,13 @@ final class VirtualDeviceImpl extends IVirtualDevice.Stub
                                 + "this virtual device");
             }
         }
+
+        if (screenSize.x <= 0 || screenSize.y <= 0) {
+            throw new IllegalArgumentException(
+                    "Cannot create a virtual touchscreen, screen dimensions must be positive. Got: "
+                            + screenSize);
+        }
+
         final long token = Binder.clearCallingIdentity();
         try {
             mInputController.createTouchscreen(deviceName, vendorId, productId,
diff --git a/services/tests/servicestests/src/com/android/server/companion/virtual/VirtualDeviceManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/companion/virtual/VirtualDeviceManagerServiceTest.java
index 5fda3d6b36ab5..5373ab591cc16 100644
--- a/services/tests/servicestests/src/com/android/server/companion/virtual/VirtualDeviceManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/companion/virtual/VirtualDeviceManagerServiceTest.java
@@ -418,6 +418,35 @@ public class VirtualDeviceManagerServiceTest {
                         VENDOR_ID, PRODUCT_ID, BINDER, new Point(WIDTH, HEIGHT)));
     }
 
+    @Test
+    public void createVirtualTouchscreen_zeroDisplayDimension_failsIllegalArgumentException() {
+        mDeviceImpl.mVirtualDisplayIds.add(DISPLAY_ID);
+        Point size = new Point(0, 0);
+        assertThrows(IllegalArgumentException.class,
+                () -> mDeviceImpl.createVirtualTouchscreen(DISPLAY_ID, DEVICE_NAME, VENDOR_ID,
+                        PRODUCT_ID, BINDER, size));
+    }
+
+    @Test
+    public void createVirtualTouchscreen_negativeDisplayDimension_failsIllegalArgumentException() {
+        mDeviceImpl.mVirtualDisplayIds.add(DISPLAY_ID);
+        Point size = new Point(-100, -100);
+        assertThrows(IllegalArgumentException.class,
+                () -> mDeviceImpl.createVirtualTouchscreen(DISPLAY_ID, DEVICE_NAME, VENDOR_ID,
+                        PRODUCT_ID, BINDER, size));
+    }
+
+    @Test
+    public void createVirtualTouchscreen_positiveDisplayDimension_successful() {
+        mDeviceImpl.mVirtualDisplayIds.add(DISPLAY_ID);
+        Point size = new Point(600, 800);
+        mDeviceImpl.createVirtualTouchscreen(DISPLAY_ID, DEVICE_NAME, VENDOR_ID, PRODUCT_ID, BINDER,
+                size);
+        assertWithMessage(
+                "Virtual touchscreen should create input device descriptor on successful creation.")
+                .that(mInputController.mInputDeviceDescriptors).isNotEmpty();
+    }
+
     @Test
     public void onAudioSessionStarting_noDisplay_failsSecurityException() {
         assertThrows(SecurityException.class,