Page MenuHomeFreeBSD
Differential D25327

Fix a double unlock in vm_object_backing_collapse_wait().
ClosedPublic
Actions

Authored by markj on Jun 17 2020, 6:30 PM.
Tags
None
Referenced Files
Unknown Object (File)
Fri, Apr 25, 1:51 PM
Unknown Object (File)
Thu, Apr 17, 1:18 AM
Unknown Object (File)
Mar 30 2025, 10:58 PM
Unknown Object (File)
Mar 7 2025, 10:54 PM
Unknown Object (File)
Mar 6 2025, 10:23 PM
Unknown Object (File)
Feb 7 2025, 6:25 PM
Unknown Object (File)
Oct 29 2024, 7:23 PM
Unknown Object (File)
Sep 5 2024, 6:47 PM
View All 30 Files
Subscribers
imp

Details

Reviewers
jeff
alc
kib
Commits
rS362360: Fix a double object unlock in vm_object_backing_collapse_wait().
Summary

vm_object_pip_sleep() will release the lock, I believe. I noticed this
by code inspection, so I'm not certain that this code is reachable.

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

markj requested review of this revision.Jun 17 2020, 6:30 PM
markj created this revision.
markj added reviewers: jeff, alc, kib.Jun 17 2020, 6:42 PM
Harbormaster completed remote builds in B31779: Diff 73231.Jun 18 2020, 9:20 AM
kib accepted this revision.Jun 18 2020, 11:44 PM

It should be very hard to provoke this situation, but I believe it is real.

This revision is now accepted and ready to land.Jun 18 2020, 11:44 PM
Closed by commit rS362360: Fix a double object unlock in vm_object_backing_collapse_wait(). (authored by markj). · Explain WhyJun 19 2020, 3:32 AM
This revision was automatically updated to reflect the committed changes.
markj added a commit: rS362360: Fix a double object unlock in vm_object_backing_collapse_wait()..
Herald added a subscriber: imp. · View Herald TranscriptJun 19 2020, 3:32 AM

Revision Contents
Changeset List

PathSize
head/
sys/
vm/
1 line

Diff 73310

View Options

head/sys/vm/vm_object.c

Loading...