diff --git a/drivers/android/binder/process.rs b/drivers/android/binder/process.rs
index 64960857bcdc..75e1c1b3e454 100644
--- a/drivers/android/binder/process.rs
+++ b/drivers/android/binder/process.rs
@@ -1214,10 +1214,10 @@ fn get_node_debug_info(&self, data: UserSlice) -> Result {
         let ptr = reader.read::<BinderNodeDebugInfo>()?.ptr;
         let mut out = BinderNodeDebugInfo::default();
 
-        {
+        if let Some(start_ptr) = ptr.checked_add(1) {
             let inner = self.inner.lock();
             // cursor_lower_bound retrieves the "key" passed or the next existing larger key
-            if let Some(cursor) = inner.nodes.cursor_lower_bound(&(ptr + 1)) {
+            if let Some(cursor) = inner.nodes.cursor_lower_bound(&start_ptr) {
                 let (_, node) = cursor.current();
                 node.populate_debug_info(&mut out, &inner);
             }