1 files changed, 7 insertions, 1 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java b/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java
index 19af953380..339592ed3c 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java
@@ -781,7 +781,7 @@ public class SkylarkRuleClassFunctions {
         sb.append("]");
       } else if (value instanceof String) {
         sb.append("\"");
-        sb.append(escapeString((String) value));
+        sb.append(jsonEscapeString((String) value));
         sb.append("\"");
       } else if (value instanceof Integer || value instanceof Boolean) {
         sb.append(value);
@@ -794,6 +794,12 @@ public class SkylarkRuleClassFunctions {
         throw new EvalException(loc, errorMessage);
       }
     }
+
+    private String jsonEscapeString(String string) {
+      return escapeString(string.replace("\\", "\\\\")
+          .replace("\r", "\\r")
+          .replace("\t", "\\t"));
+    }
   };
 
   @SkylarkSignature(name = "output_group",