Note: This bug is displayed in read-only format because
the product is no longer active in Red Hat Bugzilla.
RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.
DescriptionMichal Privoznik
2011-10-09 10:34:53 UTC
Description of problem:
If an attaching to qemu process fails, e.g. invalid PID was supplied, libvirtd crashes. The problem lies within qemu driver which frees uninitialized variable.
Version-Release number of selected component (if applicable):
libvirt-0.9.4-16.el6
How reproducible:
100%
Steps to Reproduce:
1. get random number and make sure no such PID exists
2. virsh qemu-attach $PID
3. observe libvirtd SIGSEGV
Actual results:
the daemon crashes
Expected results:
an error printed (something like non-existing PID) and no deamon crash
Additional info:
Verify this bug with libvirt-0.9.4-17.el6.x86_64
[root@5-12-r6 ~]# virsh qemu-attach 33333344
11:18:54.185: 18201: error : virFileReadAll:451 : Failed to open file '/proc/33333344/cmdline': No such file or directory
error: Failed to open file '/proc/33333344/cmdline': No such file or directory
[root@5-12-r6 ~]# /etc/init.d/libvirtd status
libvirtd (pid 18197) is running...
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