SecurityException - unknown name of the calling package - Android 6.0.1

My application has been in the application store for more than two years, and I got this crash on Crashlytics for the last two collections, only for Android devices with "Android 6.0.1"

**Fatal Exception: java.lang.SecurityException Unknown calling package name 'my_package_name'.** android.os.Parcel.readException (Parcel.java:1620) android.os.Parcel.readException (Parcel.java:1573) com.google.android.gms.common.internal.zzs$zza$zza.zza (Unknown Source) com.google.android.gms.common.internal.zzj.zza (Unknown Source) com.google.android.gms.internal.zzlg$zzf.zznO (Unknown Source) com.google.android.gms.internal.zzlg$zzi.run (Unknown Source) java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:423) java.util.concurrent.FutureTask.run (FutureTask.java:237) java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1113) java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:588) java.lang.Thread.run (Thread.java:818) 

Thanks.

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android security android 6.0 marshmallow
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1 answer

I had the same problem, and I came to a user who got on the phone. The user says that he cloned my application with a third-party application, and he tries to use both applications on the same device and receives a failure.

With a quick search, I found some apps on Google Play that clone apps.

I'm not sure if you have the right way to handle this, for example, trying to get support from Google or taking the right steps for this situation. For now, I will ignore the crash because only 1 user gets these crashes.

Good luck.

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