[LU-6875] thandle_get_sub_by_dt dereferences ERR_PTR pointer on error

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.8.0
• Severity: 3
• Assignee: Di Wang
• Reporter: Oleg Drokin

Description

thandle_get_sub_by_dt function dereferences PTR_ERR pointer:

                st = create_sub_thandle_with_thandle(top_th,
                                top_th->tt_master_sub_thandle);
                if (IS_ERR(st))
                        GOTO(stop_trans, rc = PTR_ERR(st));
....
stop_trans:
        if (rc < 0) {
                if (st != NULL)
                        OBD_FREE_PTR(st);

Comments

[Joseph Gmitter (Inactive)]

Landed for 2.8.

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch http://review.whamcloud.com/15691/
Subject: LU-6875 update: set st to NULL in error handler
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 861c70ff6e3371c752d53fcb71cdc54fe74cd3c2

[Gerrit Updater]

wangdi ([e-mail]) uploaded a new patch: http://review.whamcloud.com/15691
Subject: LU-6875 update: set st to NULL in error handler
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 55a0ca4a1bd434ca4c4e6d48847cc432c1d9381c