Description of a problem

On two occasions a segfault with ns-slapd process has been noticed. It appears to have been caused by a failure in a backup operation due to the target storage being full.

Apr 02 06:00:03 <hostname> ns-slapd[1220]: [02/Apr/2025:06:00:03.193488225 +0200] - INFO - bdb_copy_directory - Backing up file 23 (/path/to/userroot/id2entry.db)
Apr 02 06:00:03 <hostname> ns-slapd[1220]: [02/Apr/2025:06:00:03.199211634 +0200] - INFO - bdb_copyfile - Copying /path/to/userroot/id2entry.db to /path/to/backup/userroot/id2entry.db
Apr 02 06:00:03 <hostname> ns-slapd[1220]: [02/Apr/2025:06:00:03.241645705 +0200] - INFO - bdb_backup - Backing up file 24 (/path/to/backup/log.0000000094)
Apr 02 06:00:03 <hostname> ns-slapd[1220]: [02/Apr/2025:06:00:03.247721499 +0200] - INFO - bdb_copyfile - Copying /path/to/db/log.0000000094 to /path/to/backup/log.0000000094
Apr 02 06:00:03 <hostname> ns-slapd[1220]: [02/Apr/2025:06:00:03.308189996 +0200] - INFO - bdb_backup - Backing up file 25 (/path/to/backup/DBVERSION)
Apr 02 06:00:03 <hostname> ns-slapd[1220]: [02/Apr/2025:06:00:03.319393077 +0200] - INFO - bdb_copyfile - Copying /path/to/DBVERSION to /path/to/backup/DBVERSION
Apr 02 06:00:03 <hostname> ns-slapd[1220]: [02/Apr/2025:06:00:03.348582510 +0200] - CRIT - bdb_dse_conf_backup_core - Failed to back up dse indexes -5956 (The device for storing the file is full.)
Apr 02 06:00:03 <hostname> ns-slapd[1220]: [02/Apr/2025:06:00:03.360742777 +0200] - ERR - archive_copyfile - Destination file (/path/to/backup/config_files/dse.ldif) could not be opened - error -5956 (The device for storing the file is full.)
Apr 02 06:00:03 <hostname> kernel: ns-slapd[2360460]: segfault at 8 ip 00007fdc9b9e1252 sp 00007fdbfeafcdd0 error 4 in libnspr4.so[7fdc9b9c2000+25000] likely on CPU 0 (core 0, socket 0)
Apr 02 06:00:03 <hostname> kernel: Code: 84 00 00 00 00 00 66 90 f3 0f 1e fa 41 54 55 48 89 fd 48 83 ec 18 e8 8d 24 fe ff 8b 90 00 01 00 00 85 d2 75 05 f6 00 10 75 3e <48> 8b 7d 08 45 31 e4 48 85 ff 74 20 e8 8d 28 fe ff 41 89 c4 83 f8
Apr 02 06:00:04 <hostname> systemd[1]: dirsrv@<instance name>.service: Main process exited, code=dumped, status=11/SEGV
Apr 02 06:00:04 <hostname> systemd[1]: dirsrv@<instance name>.service: Failed with result 'core-dump'.

Version-Release number of the selected component

389-ds-base-2.5.2-2.el9_5.x86_64

cockpit-389-ds-2.5.2-3.module+el9dsrv+22360+4d1b4fe0.noarch

Steps to reproduce

1. perform a backup to a full target storage

Actual results

ns-slapd segfaults

Expected results

a better handling of the error and no segfault.