[LU-1448] Disabled OSC can cause NULL pointer dereference when reading import

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.3.0, Lustre 2.1.5, Lustre 1.8.9
• Affects Version/s: Lustre 1.8.6
• Labels: llite
• Environment: RHEL 5.7
• Severity: 3
• Bugzilla ID: 15,505
• Assignee: Zhenyu Xu
• Reporter: Jeremy Filizetti

Description

After mounting a file system with a disabled OSC the import is left in the LUSTRE_IMP_NEW state without an imp_connection. When the OSC's import is read with lprocfs_rd_import the client will panic with a NULL pointer dereference.

Issue Links

• Trackbacks: Lustre 1.8.x known issues tracker While testing against Lustre b18 branch, we would hit known bugs which were already reported in Lustre Bugzilla https://bugzilla.lustre.org/. In order to move away from relying on Bugzilla, we would create a JIRA