Bug 1983113

Summary:	QEMU 6.0.0 socket_get_fd() fails with the error "socket_get_fd: too many connections" [rhel-8.4.0.z]
Product:	Red Hat Enterprise Linux Advanced Virtualization	Reporter:	RHEL Program Management Team <pgm-rhel-tools>
Component:	qemu-kvm	Assignee:	Stefan Hajnoczi <stefanha>
qemu-kvm sub component:	General	QA Contact:	Tingting Mao <timao>
Status:	CLOSED ERRATA	Docs Contact:
Severity:	low
Priority:	low	CC:	coli, jinzhao, juzhang, mrezanin, qinwang, rjones, virt-maint, ymankad, zixchen
Version:	8.5	Keywords:	ZStream
Target Milestone:	rc	Flags:	pm-rhel: mirror+
Target Release:	8.5
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	qemu-kvm-5.2.0-16.module+el8.4.0+11923+e8b883e4.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:	1967177	Environment:
Last Closed:	2021-08-31 08:07:47 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:	1967177
Bug Blocks:

Comment 1 Tingting Mao 2021-07-19 02:06:34 UTC

Reproduce the bug on rhel8.4.z:

Version:
qemu-kvm-5.2.0-16.module+el8.4.0+11721+c8bbc1be.3
kernel-modules-4.18.0-321.el8.x86_64

Steps and results:
# qemu-storage-daemon --nbd-server addr.type=fd,addr.str=4
qemu-storage-daemon: socket_get_fd: too many connections: Invalid argument

Comment 7 Tingting Mao 2021-07-23 06:11:38 UTC

Verified the bug as below:

Version:
qemu-kvm-5.2.0-16.module+el8.4.0+11923+e8b883e4.4
kernel-modules-4.18.0-321.el8.x86_64

Steps and results:
# qemu-storage-daemon --nbd-server addr.type=fd,addr.str=4
qemu-storage-daemon: File descriptor '4' is not a socket

Comment 8 Yanan Fu 2021-07-23 06:40:14 UTC

QE bot(pre verify): Set 'Verified:Tested,SanityOnly' as gating/tier1 test pass.

Comment 9 Tingting Mao 2021-07-23 06:51:55 UTC

According to Comment7 and Comment8, set this bug as verified. Thanks.

Comment 11 errata-xmlrpc 2021-08-31 08:07:47 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 (virt:av bug fix and enhancement update), 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-2021:3340