[LU-5997] NULL pointer dereferecing in class_process_proc_seq_param() on lctl conf_param

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.7.0
• Labels: patch
• Severity: 3
• Assignee: Mikhail Pershin
• Reporter: Vladimir V. Saveliev

Description

lctl conf_param for mdd's parameter,

lctl conf_param lustre-MDT0000.mdd.atime_diff=70

for instance ends up with:

BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffffa055df1e>] class_process_proc_param+0x14e/0x7b0 [obdclass]

Issue Links

• duplicates: LU-6258 Interop 2.6.0<->2.7 conf-sanity test_32a: BUG: unable to handle kernel NULL pointer dereference at (null)