From 3b946f43a430f9c2b4d65148984dd77748991023 Mon Sep 17 00:00:00 2001
From: Fyodor Kupolov <fkupolov@google.com>
Date: Mon, 27 Nov 2017 10:40:46 -0800
Subject: [PATCH] Use the root case to set remote stack trace for

Otherwise it may cause ISE if a cause has already been set like
in ParcelableException.

Test: manual install/uninstall an app on secondary user
Bug: 69704045
Change-Id: Ia8631ea76d5acf38e60fc609eef65f010ade21b5
---
 core/java/android/os/Parcel.java | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/core/java/android/os/Parcel.java b/core/java/android/os/Parcel.java
index 36121d452d967..62bb38540e449 100644
--- a/core/java/android/os/Parcel.java
+++ b/core/java/android/os/Parcel.java
@@ -20,6 +20,7 @@ import android.annotation.Nullable;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
+import android.util.ExceptionUtils;
 import android.util.Log;
 import android.util.Size;
 import android.util.SizeF;
@@ -1866,7 +1867,14 @@ public final class Parcel {
             if (remoteStackTrace != null) {
                 RemoteException cause = new RemoteException(
                         "Remote stack trace:\n" + remoteStackTrace, null, false, false);
-                e.initCause(cause);
+                try {
+                    Throwable rootCause = ExceptionUtils.getRootCause(e);
+                    if (rootCause != null) {
+                        rootCause.initCause(cause);
+                    }
+                } catch (RuntimeException ex) {
+                    Log.e(TAG, "Cannot set cause " + cause + " for " + e, ex);
+                }
             }
             SneakyThrow.sneakyThrow(e);
         }