[DO NOT MERGE] Fix permanent denial of service via setComponentEnabledSetting

Do not update invalid component enabled settings to prevent the
malicious apps from exhausting system server memory.

Bug: 240936919
Test: atest android.security.cts.PackageManagerTest
Change-Id: I08165337895e89f13a2b9fcce1201cba9ad13d7d

parent 5c122444

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

+3 −0

Original line number	Diff line number	Diff line
		@@ -24162,6 +24162,9 @@ public class PackageManagerService extends IPackageManager.Stub
		} else {
		Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
		+ className + " does not exist in " + packageName);
		// Safetynet logging for b/240936919
		EventLog.writeEvent(0x534e4554, "240936919", callingUid);
		return;
		}
		}
		switch (newState) {