Bug 1801343

Summary:	Host parsing from resolv.conf doesn't handle IPv6 with %zone info
Product:	OpenShift Container Platform	Reporter:	Brad P. Crochet <brad>
Component:	Networking	Assignee:	Dan Mace <dmace>
Networking sub component:	DNS	QA Contact:	Hongan Li <hongli>
Status:	CLOSED ERRATA	Docs Contact:
Severity:	unspecified
Priority:	unspecified	CC:	aos-bugs, hongli
Version:	4.3.0
Target Milestone:	---
Target Release:	4.3.z
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:	1801339	Environment:
Last Closed:	2020-03-10 23:53:52 UTC	Type:	---
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:	1801339
Bug Blocks:

Description Brad P. Crochet 2020-02-10 17:00:05 UTC

+++ This bug was initially created as a clone of Bug #1801339 +++

If an IPv6 address with %zone info appended is in resolv.conf the parsing does not work properly. It does not properly identify as an IPv6 address, and causes panic.

Comment 3 Hongan Li 2020-02-20 11:40:57 UTC

verified with 4.3.0-0.nightly-2020-02-20-033504 and coredns has been updated to 1.6.6

$ oc -n openshift-dns exec dns-default-262fc -c dns -- coredns -version
CoreDNS-1.6.6
linux/amd64, go1.12.12,

Comment 5 errata-xmlrpc 2020-03-10 23:53:52 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/RHBA-2020:0676