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Bug 1509177 - Race condition between refreshing the cr_domain list and a request that is using the list can cause a segfault is sssd_nss [rhel-7.4.z]
Summary: Race condition between refreshing the cr_domain list and a request that is us...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: sssd
Version: 7.4
Hardware: All
OS: Linux
urgent
urgent
Target Milestone: rc
: ---
Assignee: SSSD Maintainers
QA Contact: sssd-qe
URL:
Whiteboard:
: 1518340 (view as bug list)
Depends On: 1505277
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-11-03 09:42 UTC by Oneata Mircea Teodor
Modified: 2022-07-09 09:07 UTC (History)
19 users (show)

Fixed In Version: sssd-1.15.2-50.el7_4.8
Doc Type: Bug Fix
Doc Text:
Previously, the list of cache request domains was sometimes freed in the middle of a cache request operation due to the refresh domains request, as they both were using the same list. As a consequence, a segmentation fault sometimes occurred in SSSD. With this update, SSSD uses a copy of the cache request domains' list for each cache request. As a result, SSSD no longer crashes in this case.
Clone Of: 1505277
Environment:
Last Closed: 2017-12-05 10:51:36 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github SSSD sssd issues 4577 0 None None None 2020-05-04 11:03:47 UTC
Red Hat Product Errata RHSA-2017:3379 0 normal SHIPPED_LIVE Moderate: sssd security and bug fix update 2017-12-05 06:11:14 UTC

Description Oneata Mircea Teodor 2017-11-03 09:42:28 UTC 
This bug has been copied from bug #1505277 and has been proposed to be backported to 7.4 z-stream (EUS).
Comment 5 Nikhil Dehadrai 2017-11-08 09:59:29 UTC 
IPA-server: ipa-server-4.5.0-22.el7_4.x86_64
sssd version: sssd-ipa-1.15.2-50.el7_4.8.x86_64


Verified the bug with following tests/ observations:
1. Tested that the sanity test suite for IPA-ADtrust runs successfully.
2. The failure noticed inside the test suites are already logged and tracked in separate bug bz#1479398

Thus marking the status of bug to "VERIFIED", based on above observations and comment#4.
Comment 12 errata-xmlrpc 2017-12-05 10:51:36 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://access.redhat.com/errata/RHSA-2017:3379
Comment 13 Jakub Hrozek 2018-01-04 11:45:11 UTC 
*** Bug 1518340 has been marked as a duplicate of this bug. ***
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