Unable to restore encrypted backup - Bad MAC #8355
Description
- I have searched open and closed issues for duplicates
- I am submitting a bug report for existing functionality that does not work as intended
- I have read https://github.com/signalapp/Signal-Android/wiki/Submitting-useful-bug-reports
- This isn't a feature request or a discussion topic
Bug description
Unable to restore signal backup on new phone.
Similar to #7637 but I don't have xposed installed.
Signal stable closing without error after reading 11401 messages.
Signal beta giving error message about incorrect passphrase after reading 11401 messages.
I am certain the passphrase and the backup are correct as they are working fine using https://github.com/xeals/signal-back
Steps to reproduce
- copy signal backup to new phone
- open signal
- enter passphrase
- wait for messages to import
Actual result:
- Signal just closing (stable)
- Error message stating the passphrase is incorrect (beta).
Expected result: Backup is successfully restored.
Screenshots
beta error (in German due to phone language)
Device info
Device: Nokia 7 Plus Dual-Sim
Android version: 9
Kernel version: 4.4.146-perf+
Signal version:
Beta: 4.30.2
also tested on stable: 4.29.7
Link to debug log
Working on grabbing a logcat log but struggling with it. Will add through edit.
Logcat for version 4.29.7:
--------- beginning of crash
11-08 22:32:10.330 4472 6987 E AndroidRuntime: FATAL EXCEPTION: AsyncTask #3
11-08 22:32:10.330 4472 6987 E AndroidRuntime: Process: org.thoughtcrime.securesms, PID: 4472
11-08 22:32:10.330 4472 6987 E AndroidRuntime: java.lang.RuntimeException: An error occurred while executing doInBackground()
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at android.os.AsyncTask$3.done(AsyncTask.java:354)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at java.util.concurrent.FutureTask.run(FutureTask.java:271)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at java.lang.Thread.run(Thread.java:764)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: Caused by: java.lang.NegativeArraySizeException: -1884239691
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at org.thoughtcrime.securesms.backup.FullBackupImporter$BackupRecordInputStream.readFrame(FullBackupImporter.java:310)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at org.thoughtcrime.securesms.backup.FullBackupImporter$BackupRecordInputStream.readFrame(FullBackupImporter.java:252)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at org.thoughtcrime.securesms.backup.FullBackupImporter.importFile(FullBackupImporter.java:81)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at org.thoughtcrime.securesms.RegistrationActivity$2.doInBackground(RegistrationActivity.java:394)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at org.thoughtcrime.securesms.RegistrationActivity$2.doInBackground(RegistrationActivity.java:386)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at android.os.AsyncTask$2.call(AsyncTask.java:333)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: at java.util.concurrent.FutureTask.run(FutureTask.java:266)
11-08 22:32:10.330 4472 6987 E AndroidRuntime: ... 4 more
logcat for version 4.30.2:
11-10 13:15:20.687 27588 31822 W RegistrationActivity: null
11-10 13:15:20.687 27588 31822 W RegistrationActivity: java.io.IOException: Bad MAC
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at org.thoughtcrime.securesms.backup.FullBackupImporter$BackupRecordInputStream.readAttachmentTo(FullBackupImporter.java:298)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at org.thoughtcrime.securesms.backup.FullBackupImporter.processAttachment(FullBackupImporter.java:140)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at org.thoughtcrime.securesms.backup.FullBackupImporter.importFile(FullBackupImporter.java:87)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at org.thoughtcrime.securesms.RegistrationActivity$2.doInBackground(RegistrationActivity.java:396)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at org.thoughtcrime.securesms.RegistrationActivity$2.doInBackground(RegistrationActivity.java:388)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at android.os.AsyncTask$2.call(AsyncTask.java:333)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at java.util.concurrent.FutureTask.run(FutureTask.java:266)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
11-10 13:15:20.687 27588 31822 W RegistrationActivity: at java.lang.Thread.run(Thread.java:764)