[LU-10141] Integer overflow in llapi_changelog_start

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.11.0, Lustre 2.10.2
• Labels: patch
• Assignee: Henri Doreau (Inactive)
• Reporter: Henri Doreau (Inactive)

Description

When reading changelogs from a high (more than 32bits) offset, the return value from lseek() is not properly interpreted and spurious errors can occur.

ex. w/ robinhood:
ERROR -95 opening changelog for MDT 'lustre-MDT0000': Operation not supported

Issue Links

• is related to: LU-7659 Replace KUC by more standard mechanisms