Bug 733597

Summary:	sending a bad keycode to guest can crash libvirt
Product:	Red Hat Enterprise Linux 6	Reporter:	Daniel Veillard <veillard>
Component:	libvirt	Assignee:	Daniel Veillard <veillard>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	6.2	CC:	dyuan, mzhan, rwu, vbian, yupzhang
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	libvirt-0.9.4-6.el6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-12-06 11:27:29 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description Daniel Veillard 2011-08-26 07:43:38 UTC

Description of problem:
Sending a bad keycode with virsh send-key can cause segmentation fault in libvirt.

% virsh send-key --codeset win32 12
   error: End of file while reading data: Input/output error

This is caused by overrun at scanning keycode array.

https://www.redhat.com/archives/libvir-list/2011-August/msg00942.html

Version-Release number of selected component (if applicable):


How reproducible:
seems systematic

Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:


Additional info:

Comment 1 Daniel Veillard 2011-08-26 07:45:13 UTC

Upstream patch 9f5afc732c5f5b790f1c1006d2d97adb3fa7bb30

Daniel

Comment 3 Vivian Bian 2011-08-26 08:36:12 UTC

reproduced this bug with libvirt-0.9.4-5 

Steps
[root@dhcp-93-106 pkgs]# virsh send-key rhel6 --codeset win32 12
error: End of file while reading data: Input/output error

[root@dhcp-93-106 pkgs]# virsh list
error: Failed to reconnect to the hypervisor
error: no valid connection
error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': Connection refused

[root@dhcp-93-106 pkgs]# service libvirtd status
libvirtd dead but pid file exists

Comment 5 dyuan 2011-08-30 09:46:47 UTC

Verified this bug PASS with libvirt-0.9.4-6.el6.

Comment 6 errata-xmlrpc 2011-12-06 11:27:29 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.

http://rhn.redhat.com/errata/RHBA-2011-1513.html