Stop processing on IOException.

IOException usually means that the file is corrupted and further
processing is dangerous and should be stopped.

Bug: 269049175
Bug: 246540168
Fixes: 269049175
Test: atest ShortcutManagerTest1
Change-Id: I493c2658298dc23d45b37776663f316d31238b52

services/core/java/com/android/server/pm/ShortcutPackage.java

@@ -2048,6 +2048,9 @@ class ShortcutPackage extends ShortcutPackageItem {
                                         shortcutUser.getUserId(), fromBackup);
                                 // Don't use addShortcut(), we don't need to save the icon.
                                 ret.mShortcuts.put(si.getId(), si);
+                            } catch (IOException e) {
+                                // Don't ignore IO exceptions.
+                                throw e;
                             } catch (Exception e) {
                                 // b/246540168 malformed shortcuts should be ignored
                                 Slog.e(TAG, "Failed parsing shortcut.", e);

services/tests/servicestests/Android.bp

@@ -115,6 +115,7 @@ android_test {
         ":StubTestApp",
         ":SuspendTestApp",
         ":MediaButtonReceiverHolderTestHelperApp",
+        "data/broken_shortcut.xml",
     ],
 
     java_resources: [

services/tests/servicestests/AndroidTest.xml

@@ -21,6 +21,8 @@
         <option name="cleanup" value="true" />
         <option name="push-file" key="SimpleServiceTestApp3.apk"
                 value="/data/local/tmp/cts/content/SimpleServiceTestApp3.apk" />
+        <option name="push-file" key="broken_shortcut.xml"
+                value="/data/local/tmp/cts/content/broken_shortcut.xml" />
     </target_preparer>
 
     <target_preparer class="com.android.tradefed.targetprep.suite.SuiteApkInstaller">

services/tests/servicestests/src/com/android/server/pm/ShortcutManagerTest1.java

@@ -4007,6 +4007,18 @@ public class ShortcutManagerTest1 extends BaseShortcutManagerTest {
         // TODO Check all other fields
     }
 
+    public void testLoadCorruptedShortcuts() throws Exception {
+        initService();
+
+        addPackage("com.android.chrome", 0, 0);
+
+        ShortcutUser user = new ShortcutUser(mService, 0);
+
+        File corruptedShortcutPackage = new File("/data/local/tmp/cts/content/",
+                "broken_shortcut.xml");
+        assertNull(ShortcutPackage.loadFromFile(mService, user, corruptedShortcutPackage, false));
+    }
+
     public void testSaveCorruptAndLoadUser() throws Exception {
         // First, create some shortcuts and save.
         runWithCaller(CALLING_PACKAGE_1, UserHandle.USER_SYSTEM, () -> {