[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]#