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Bug 1741550 - tigervnc server fails to remove lock and unix domain socket files in /tmp if timers are used as they call exit(0) rhather than the destructor
Summary: tigervnc server fails to remove lock and unix domain socket files in /tmp if ...
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: tigervnc
Version: 7.7
Hardware: All
OS: Linux
Target Milestone: rc
: ---
Assignee: Jan Grulich
QA Contact: Desktop QE
Depends On:
TreeView+ depends on / blocked
Reported: 2019-08-15 12:27 UTC by amit yadav
Modified: 2019-09-09 19:37 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2019-08-16 08:42:34 UTC
Target Upstream Version:

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Description amit yadav 2019-08-15 12:27:15 UTC
Description of problem:
If Xvnc is launched with timers, it does not remove /tmp/.X<display>-lock file nor the unix domain socket in /tmp/.X11-unix/X<display>.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Install the latest tigervnc server on RHEL7 (currently tigervnc-server-minimal-1.8.0-17.el7.x86_64)
2. Choose an unused X display number (15 for instance)
3. Make sure there is neither a /tmp/.X15-lock lock file nor /tmp/.X11-unix/X15 unix domain socket.
4. Launch the Xvnc with timers (60 seconds for maximum disconnection time, 90 seconds for maximum idle time):  

   $ Xvnc :15 -bs -nolisten tcp -verbose -localhost -MaxDisconnectionTime=60 -MaxIdleTime=90

5. Wait 60 second so that the Idle timer will be executed
6. Check whether /tmp/.X15-lock and /tmp/.X11-unix/X15 are still there.

Actual results:
There are leftover lock and unix domain socket files:

# ls -l /tmp/.X15-lock /tmp/.X11-unix/X15
srwxrwxrwx. 1 root root  0 Aug 15 09:17 /tmp/.X11-unix/X15
-r--r--r--. 1 root root 11 Aug 15 09:17 /tmp/.X15-lock

Expected results:
No /tmp/.X11-unix/X15 and /tmp/.X15-lock files.

Additional info:
It seems this has been fixed upstream in : https://github.com/TigerVNC/tigervnc/issues/727
I am able to reproduce the issue with tigervnc-server-minimal-1.9.0-3.fc29.x86_64 as well.

Comment 4 RHEL Program Management 2019-08-16 08:42:34 UTC
Development Management has reviewed and declined this request. You may appeal this decision by reopening this request.

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