Bug 1717438

Summary:	glibc: __libc_freeres (under valgrind) triggers bad free in libdl if dlerror was not used
Product:	Red Hat Enterprise Linux 8	Reporter:	Mark Wielaard <mjw>
Component:	glibc	Assignee:	Carlos O'Donell <codonell>
Status:	CLOSED ERRATA	QA Contact:	qe-baseos-tools-bugs
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	8.0	CC:	ashankar, codonell, dj, fweimer, mnewsome, pfrankli, skolosov, tmraz
Target Milestone:	rc
Target Release:	8.1
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	glibc-2.28-69.el8	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-11-05 21:29:05 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:
Bug Depends On:
Bug Blocks:	1684559

Description Mark Wielaard 2019-06-05 13:21:23 UTC

Under some circumstances valgrind might crash at program exit when cleaning up using __libc_freeres. See the upstream bug reproducer:
https://sourceware.org/bugzilla/attachment.cgi?id=11750

This has been fixed upstream:
https://sourceware.org/ml/libc-stable/2019-05/msg00010.html

Comment 1 Mark Wielaard 2019-07-08 14:12:44 UTC

*** Bug 1727912 has been marked as a duplicate of this bug. ***

Comment 4 Sergey Kolosov 2019-08-19 10:20:47 UTC

Verified, the bug has been fixed in glibc-2.28-69.el8

Comment 6 errata-xmlrpc 2019-11-05 21:29:05 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-2019:3513