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Bug 1374526

Summary: backport fix for crash in libnm's nm_vpn_plugin_info_list_get_service_types()
Product: Red Hat Enterprise Linux 7 Reporter: Thomas Haller <thaller>
Component: NetworkManagerAssignee: Thomas Haller <thaller>
Status: CLOSED ERRATA QA Contact: Desktop QE <desktop-qa-list>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.3CC: atragler, bgalvani, lmiksik, lrintel, rkhan, thaller, vbenes
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: NetworkManager-1.4.0-8.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-11-03 19:30:11 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Thomas Haller 2016-09-08 23:40:32 UTC 
backport a trivial fix for a crash:

https://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?id=4a535e6213bb5de05f166c29debc65fc04a7a3b8


for example:

  $ nmcli --complete-args connection add type vpn vpn-type ''
  Segmentation fault (core dumped)



The impact is moderate, but the fix is trivial and riskless.
Comment 1 Thomas Haller 2016-09-09 11:13:34 UTC 
For the crash to happen, you need to install at least one VPN plugin that has no "aliases".

Currently, the only VPN plugin with aliases is nm-libreswan. So, install any plugin (except nm-libreswan).


Note, the crash can also happen during interactive edit mode in nmcli, not only during --complete-args. That is just an easy example
Comment 2 Thomas Haller 2016-09-09 13:56:36 UTC 
merged to dist-git and will be part of NetworkManager-1.4.0-8.el7. Build still missing.
Comment 4 Vladimir Benes 2016-09-15 10:56:35 UTC 
Can list all arguments w/o segfault with various plugins installed.
Comment 6 errata-xmlrpc 2016-11-03 19:30:11 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2016-2581.html