[LU-13228] write access to an mmapped file over soft quota limit causes sigbus

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.14.0, Lustre 2.12.5
• Severity: 3
• Assignee: Alexander Zarochentsev
• Reporter: Alexander Zarochentsev (Inactive)

Description

reproducible on a single node Lustre cluster:

[zam@devvm1 tests]$ rm /mnt/lustre/bbb 
[zam@devvm1 tests]$ ./multiop /mnt/lustre/bbb OT81920SMW
Bus error
[zam@devvm1 tests]$ 

[root@devvm1 tests]# ../utils/lfs quota -g zam -h /mnt/lustre
Disk quotas for grp zam (gid 1000):
 Filesystem used quota limit grace files quota limit grace
 /mnt/lustre 30M* 10M 0k 6d23h47m21s 3 0 0 -
gid 1000 is using default file quota setting
[root@devvm1 tests]# 

Comments

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/38292/
Subject: LU-13228 clio: mmap write when overquota
Project: fs/lustre-release
Branch: b2_12
Current Patch Set:
Commit: 6e37067902741a2de13517ae450b53fbc03c127e

[Gerrit Updater]

Oleg Drokin ([e-mail]) uploaded a new patch: https://review.whamcloud.com/38292
Subject: LU-13228 clio: mmap write when overquota
Project: fs/lustre-release
Branch: b2_12
Current Patch Set: 1
Commit: 301ccb009953fd3b67793f3cf87ec6f3277de4be

[Peter Jones]

Landed for 2.14

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/37495/
Subject: LU-13228 clio: mmap write when overquota
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: b651089f859e8269af7272b91f5e60aa25f24226

[Alexander Zarochentsev (Inactive)]

The first revision of https://review.whamcloud.com/37495 is a reproducer for the issue.

[Gerrit Updater]

Alexander Zarochentsev ([e-mail]) uploaded a new patch: https://review.whamcloud.com/37495
Subject: LU-13228 tests: mmap write over soft quota limit
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: c13ac80be6045c8f358a33125b937fcf7177bdeb