[LU-17602] mdd_rename's error handling can break namespace

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.14.0, Lustre 2.16.0
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Alex Zhuravlev

Description

			rc2 = __mdd_index_insert(env, mdd_tpobj, tpobj_fid,
						 mdd_object_type(mdd_tobj),
						 tname, handle);

i.e. mdd_rename() can insert tname pointing to own FID.

Issue Links

• is related to: LU-17016 rename across projects incorrectly checks source parent directory

Comments

[Peter Jones]

Landed for 2.16

[Gerrit Updater]

"Oleg Drokin <[e-mail]>" merged in patch https://review.whamcloud.com/c/fs/lustre-release/+/54260/
Subject: LU-17602 mdd: use correct fid in mdd_rename
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 941c0205d127082fc98d3827037cd9a21e1e29a9

[Andreas Dilger]

Alex, thanks for finding this. Looks like it was my mistake with these variable names that are very similar.

[Gerrit Updater]

"Alex Zhuravlev <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/54260
Subject: LU-17602 mdd: use correct fid in mdd_rename
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 5f11651115e5a5ff88195894ee4d7202829e3dd0