fsck.jfs -n exited with status code 4
fsck.jfs version 1.1.15, 04-Mar-2011
processing started: 5/5/2025 17:24:12
The current device is:  /tmp/2456627819.img
Primary superblock is corrupt and cannot be repaired without write access. Continuing.
Block size in bytes:  4096
Filesystem size in blocks:  4096
**Phase 1 - Check Blocks, Files/Directories, and  Directory Entries
Secondary file/directory allocation structure (2) is not a correct redundant copy of primary structure.
Invalid data format detected in root directory.
CANNOT CONTINUE.
ERRORS HAVE BEEN DETECTED.  Run fsck with the -f parameter to repair.