[LU-6794] memory leak in Lustre NFS support code, LASSERT() at unmount

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.8.0
• Labels: patch
• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: Andrew Perepechko

Description

There is an unbalanced iput() call in Lustre NFS support code.

A possible symptom is a kernel crash with
ASSERTION( atomic_read(&d->ld_ref) == 0 ) failed

A fix will be uploaded shortly.

Issue Links

• is related to: LU-4272 lu_device_fini()) ASSERTION( cfs_atomic_read(&d->ld_ref) == 0 ) failed from lovsub_device_free