Backup chats failing at 0.6%

[smeyerhuky]

I'm trying to transfer my account to another device and the backup keeps failing. Transfer doesn't work either, no matter what I do it stops after 0.6% with no reason/message provided.

• [ x ] I have searched open and closed issues for duplicates
• [ x ] I am submitting a bug report for existing functionality that does not work as intended
• [ x ] I have read https://github.com/signalapp/Signal-Android/wiki/Submitting-useful-bug-reports
• [ x ] This isn't a feature request or a discussion topic

---

Bug description

Backup is failing after 0.6%, the device has over 80gb available and the signal backup is no larger than 8 or 9 GB.

Steps to reproduce

• enable backup
• start backup
• it fails

Or

• start Android to Android transfer
• device fails transfer after connecting and starting when it reaches about 0.6%
• retry doesn't work

Actual Results:
Backup fails with no error message.

Expected result:
Backup should succeed

Screenshots

N/A

Device info

Device: Samsung A32 5G
Android version: 13
Signal version: 7.12.1 (also tried on lower version pre-beta with same failure)

Debug logs:
https://debuglogs.org/android/7.12.1/f3194a106c0abcdcc1abd04c9ea8cc0069e4b959a020007d88d07e644553a918

I've tried so many different things. I'm trying to transfer the signal account from one device to another. When using the transfer it also fails at about 0.6% with no explanation and won't restart after clicking retry.

The following error is reported via adb logcat:

07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: Error during backup!
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: java.io.IOException: read failed: EIO (I/O error)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at libcore.io.IoBridge.read(IoBridge.java:614)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at java.io.FileInputStream.read(FileInputStream.java:328)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at java.io.FileInputStream.read(FileInputStream.java:297)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at javax.crypto.CipherInputStream.getMoreData(CipherInputStream.java:123)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at javax.crypto.CipherInputStream.read(CipherInputStream.java:249)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at javax.crypto.CipherInputStream.read(CipherInputStream.java:225)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.BackupFrameOutputStream.writeStream(BackupFrameOutputStream.java:178)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.BackupFrameOutputStream.write(BackupFrameOutputStream.java:131)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.FullBackupExporter.exportAttachment(FullBackupExporter.java:470)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.FullBackupExporter.lambda$internalExport$6(FullBackupExporter.java:174)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.FullBackupExporter.$r8$lambda$8F0Ep7yNWnc1QKmxS2FNaMnP_kg(FullBackupExporter.java:0)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.FullBackupExporter$$ExternalSyntheticLambda5.postProcess(R8$$SyntheticClass:0)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.FullBackupExporter.exportTable(FullBackupExporter.java:435)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.FullBackupExporter.internalExport(FullBackupExporter.java:174)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.backup.FullBackupExporter.export(FullBackupExporter.java:124)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.jobs.LocalBackupJobApi29.onRun(LocalBackupJobApi29.java:142)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.jobs.BaseJob.run(BaseJob.java:31)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.jobmanager.JobRunner.run(JobRunner.java:86)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at org.thoughtcrime.securesms.jobmanager.JobRunner.run(JobRunner.java:49)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: Caused by: android.system.ErrnoException: read failed: EIO (I/O error)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at libcore.io.Linux.readBytes(Native Method)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at libcore.io.Linux.read(Linux.java:190)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at libcore.io.ForwardingOs.read(ForwardingOs.java:613)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at libcore.io.BlockGuardOs.read(BlockGuardOs.java:325)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at libcore.io.ForwardingOs.read(ForwardingOs.java:613)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: at libcore.io.IoBridge.read(IoBridge.java:604)
07-21 22:35:12.709 18720 18784 W LocalBackupJobApi29: ... 18 more