From d02a6d889c6b0d68546f9b3c3c2466c848e3fd83 Mon Sep 17 00:00:00 2001
From: Wen Zhang <zhangwen8@xiaomi.corp-partner.google.com>
Date: Fri, 21 Oct 2022 03:52:06 +0000
Subject: [Bugfix]fix NullPointException when PackageInfo's verifiers is null

PackageInfo's verifiers will be null sometime when cancel install app, it will casue system server NPE.

Bug: 254754001
Test: MTBF

Change-Id: I1f06b4ea9610eb268cb3addcb2b44ac95520e140
---
 services/core/java/com/android/server/pm/VerificationParams.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/pm/VerificationParams.java b/services/core/java/com/android/server/pm/VerificationParams.java
index 7423bf65c6a5..d3112c5143fe 100644
--- a/services/core/java/com/android/server/pm/VerificationParams.java
+++ b/services/core/java/com/android/server/pm/VerificationParams.java
@@ -643,7 +643,7 @@ final class VerificationParams extends HandlerParams {
 
     private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
             List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
-        if (pkgInfo.verifiers.length == 0) {
+        if (pkgInfo.verifiers == null || pkgInfo.verifiers.length == 0) {
             return null;
         }
 
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