Bug 1340899

Summary: qemu-kvm crashes (SIGABRT) when connecting to VM with Smartcard passthrough
Product: Red Hat Enterprise Linux 7 Reporter: Radek Duda <rduda>
Component: spiceAssignee: Default Assignee for SPICE Bugs <rh-spice-bugs>
Status: CLOSED ERRATA QA Contact: SPICE QE bug list <spice-qe-bugs>
Severity: high Docs Contact:
Priority: unspecified    
Version: 7.3CC: cfergeau, chayang, djasa, huding, jinzhao, juzhang, knoel, kraxel, marcandre.lureau, rbalakri, spice-qe-bugs, tpelka, virt-maint, xfu
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: spice-0.12.4-18.el7 Doc Type: If docs needed, set a value
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Story Points: ---
Clone Of: Environment:
Last Closed: 2016-11-04 03:45:00 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:
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Description Flags
backtrace none

Description Radek Duda 2016-05-30 15:33:07 UTC
Created attachment 1162873 [details]
backtrace

Description of problem:
When connecting to guest VM with client (with Smartcard attached), the qemu-kvm instance crashes

Version-Release number of selected component (if applicable):
guest:
tested on rhel7.3
qemu-kvm-1.5.3-112.el7.x86_64
spice-server-0.12.4-17.el7.x86_64
virt-manager-1.3.2-1.el7.noarch

client:
tested on Win7
remote-viewer version 2.0-129 (OS ID: rhev-win64)


How reproducible: always


Steps to Reproduce:
1. Add Smartcard hardware in Passthrough mode to guest VM in virt-manager (tested on rhel 7.3 and Fedora 23)
2. Start this VM
3. Connect to guest VM with client (with attached and installed Smartcard to it):
 remote-viewer --spice-smartcard spice://$ip_guest:$port_guest

Actual results:
qemu-kvm crashes (SIGABRT)



Expected results:
Remote-viewer session is successfully established. Smartcard is shared between guest and client.


Additional info:
backtrace attached

Comment 2 David Jaša 2016-06-02 09:49:57 UTC
qemu-kvm-rhev (2.30-31.el7_2.14) is not affected.

Comment 3 Radek Duda 2016-06-10 14:30:28 UTC
the bug applies also for remote-viewer version 2.0-8.el7 (OS ID: rhel7)

Comment 4 Marc-Andre Lureau 2016-06-27 21:40:15 UTC
easy to reproduce, fixed by spice upstream 

commit 0c1f5b00e7907aefee13f86a234558f00cd6c7ef
Author: Uri Lublin <uril>
Date:   Mon Feb 2 12:35:59 2015 +0200

    char-device: spice_char_device_write_to_device: protect against recursion

Comment 5 Christophe Fergeau 2016-06-28 07:17:16 UTC
bug #1338752 needs this patch as well even though symptoms are very different.

Comment 9 errata-xmlrpc 2016-11-04 03:45:00 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://rhn.redhat.com/errata/RHBA-2016-2324.html