pgref.dev/sqlite/errors/SQLITE_IOERR_CORRUPTFS
SQLITE_IOERR_CORRUPTFSFATALTier 3 — Handle with care⚠️ MEDIUM confidence

I/O error — filesystem is corrupt

Category: I/O ErrorVersions: 3.35.0+

🔴 Production Risk Error

Critical — filesystem-level corruption; requires fsck and restore.

What this means

SQLITE_IOERR_CORRUPTFS (8458) is returned when an I/O error is detected that is likely due to filesystem corruption rather than a SQLite bug. Available since SQLite 3.35.0.

Why it happens

  1. 1Filesystem corruption (ext4/NTFS journal corruption).
  2. 2Power failure without proper journaling.
  3. 3Failed storage media.

How to reproduce

I/O operations on a filesystem with structural corruption.

trigger — this will ERROR
# Run filesystem check when this error appears:
# umount /dev/sda1 && fsck.ext4 -f /dev/sda1
sqlite3.DatabaseError: disk I/O error

Fix 1

Why this works

Unmount and run fsck on the filesystem.

Fix 2

Why this works

Check SMART data for the underlying storage device.

Fix 3

Why this works

Restore data from backup after repairing the filesystem.

Version notes

Sources

📚 Official docs: https://www.sqlite.org/rescode.html#ioerr_corruptfs

🔧 Source ref: sqlite3.h — SQLITE_IOERR_CORRUPTFS = 8458

Confidence assessment

⚠️ MEDIUM confidence

Stable.

See also

⚙️ This error reference was generated with AI assistance and reviewed for accuracy. Examples are provided to illustrate common scenarios and may not cover every case. Always test fixes in a development environment before applying to production. Spotted an error? Suggest a correction →