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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]
Race condition between refreshing the cr_domain list and a request that is us...
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: sssd (Show other bugs)
7.4
All Linux
urgent Severity urgent
: rc
: ---
Assigned To: SSSD Maintainers
sssd-qe
: ZStream
: 1518340 (view as bug list)
Depends On: 1505277
Blocks:
  Show dependency tree / graph
 
Reported: 2017-11-03 05:42 EDT by Oneata Mircea Teodor
Modified: 2018-01-04 06:45 EST (History)
19 users (show)

See Also:
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.
Story Points: ---
Clone Of: 1505277
Environment:
Last Closed: 2017-12-05 05:51:36 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:3379 normal SHIPPED_LIVE Moderate: sssd security and bug fix update 2017-12-05 01:11:14 EST

  None (edit)
Description Oneata Mircea Teodor 2017-11-03 05:42:28 EDT 
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 04:59:29 EST 
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 05:51:36 EST 
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 06:45:11 EST 
*** Bug 1518340 has been marked as a duplicate of this bug. ***
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