[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)

Comments

[Jodi Levi (Inactive)]

Patch landed to Master.

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch http://review.whamcloud.com/12980/
Subject: LU-5997 mdd: initialize mdd's obd->obd_vars
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 95bf473ced0ef87c565d1d972e5ed0d8771cfbcd

[Vladimir V. Saveliev]

uploaded patch for review: http://review.whamcloud.com/12980