diff --git a/core/java/android/text/TextLine.java b/core/java/android/text/TextLine.java
index 8665106..1c50d73 100644
--- a/core/java/android/text/TextLine.java
+++ b/core/java/android/text/TextLine.java
@@ -276,6 +276,7 @@
         final int runCount = mDirections.getRunCount();
         for (int runIndex = 0; runIndex < runCount; runIndex++) {
             final int runStart = mDirections.getRunStart(runIndex);
+            if (runStart > mLen) break;
             final int runLimit = Math.min(runStart + mDirections.getRunLength(runIndex), mLen);
             final boolean runIsRtl = mDirections.isRunRtl(runIndex);
 
@@ -360,6 +361,7 @@
         float h = 0;
         for (int runIndex = 0; runIndex < mDirections.getRunCount(); runIndex++) {
             final int runStart = mDirections.getRunStart(runIndex);
+            if (runStart > mLen) break;
             final int runLimit = Math.min(runStart + mDirections.getRunLength(runIndex), mLen);
             final boolean runIsRtl = mDirections.isRunRtl(runIndex);
 
@@ -417,6 +419,7 @@
         float h = 0;
         for (int runIndex = 0; runIndex < mDirections.getRunCount(); runIndex++) {
             final int runStart = mDirections.getRunStart(runIndex);
+            if (runStart > mLen) break;
             final int runLimit = Math.min(runStart + mDirections.getRunLength(runIndex), mLen);
             final boolean runIsRtl = mDirections.isRunRtl(runIndex);