[LU-8084] namespace LFSCK needs to handle linkea record length properly

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.9.0
• Severity: 3
• Assignee: nasf (Inactive)
• Reporter: nasf (Inactive)

Description

The record length in the linkea may be corrupted. If we do not handle the invalid record length when locate the next linkea record or delete the current record, it may cause invalid memory accessing and corrupt other data in RAM, and then cause kinds of strange RAM issues.