[libvirt] [PATCH 03/12] Fix leak of allocated security label
Daniel Veillard
veillard at redhat.com
Wed Jan 20 16:20:00 UTC 2010
On Wed, Jan 20, 2010 at 03:15:00PM +0000, Daniel P. Berrange wrote:
> If a VM fails to start, we can't simply free the security label
> strings, we must call the domainReleaseSecurityLabel() method
> otherwise the reserved 'mcs' level will be leaked in SElinux
>
> * src/qemu/qemu_driver.c: Invoke domainReleaseSecurityLabel()
> when domain fails to start
> ---
> src/qemu/qemu_driver.c | 8 +++-----
> 1 files changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index b67abf1..6c66b22 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -2978,11 +2978,9 @@ cleanup:
> /* We jump here if we failed to start the VM for any reason
> * XXX investigate if we can kill this block and safely call
> * qemudShutdownVMDaemon even though no PID is running */
> - if (vm->def->seclabel.type == VIR_DOMAIN_SECLABEL_DYNAMIC) {
> - VIR_FREE(vm->def->seclabel.model);
> - VIR_FREE(vm->def->seclabel.label);
> - VIR_FREE(vm->def->seclabel.imagelabel);
> - }
> + if (driver->securityDriver &&
> + driver->securityDriver->domainReleaseSecurityLabel)
> + driver->securityDriver->domainReleaseSecurityLabel(conn, vm);
> qemuRemoveCgroup(conn, driver, vm, 0);
> if ((vm->def->ngraphics == 1) &&
> vm->def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC &&
ACK,
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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