DivestOS/Patches/LineageOS-18.1/android_frameworks_base/405518.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Sumedh Sen <sumedhsen@google.com>
Date: Wed, 17 Jul 2024 01:00:55 +0000
Subject: [PATCH] Check whether installerPackageName contains only valid
 characters

Bug: 341256391
Bug: 307532206
Test: sts-tradefed run sts-dynamic-develop -m CtsSecurityTestCases -t android.security.cts.CVE_2024_0044
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:9b850b6f68e63288f240439601723412324381bb)
Merged-In: I74a172c617d6f5b13f0708092156b657b73b5891
Change-Id: I74a172c617d6f5b13f0708092156b657b73b5891
---
 .../com/android/server/pm/PackageInstallerService.java     | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/pm/PackageInstallerService.java b/services/core/java/com/android/server/pm/PackageInstallerService.java
index 7e67021e3b84..ab8cc4c8d669 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerService.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerService.java
@@ -580,12 +580,17 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
         params.appLabel = TextUtils.trimToSize(params.appLabel,
                 PackageItemInfo.MAX_SAFE_LABEL_LENGTH);
 
-        // Validate installer package name.
+        // Validate requested installer package name.
         if (params.installerPackageName != null && !isValidPackageName(
                 params.installerPackageName)) {
             params.installerPackageName = null;
         }
 
+        // Validate installer package name.
+        if (installerPackageName != null && !isValidPackageName(installerPackageName)) {
+            installerPackageName = null;
+        }
+
         String requestedInstallerPackageName =
                 params.installerPackageName != null ? params.installerPackageName
                         : installerPackageName;