[libvirt] [PATCH] security: selinux: Fix crash when releasing non-existent label

This can be triggered by the qemuStartVMDaemon cleanup path if a VM references a non-existent USB device (by product) in the XML. Signed-off-by: Cole Robinson <crobinso(a)redhat.com&gt; --- src/security/security_selinux.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/src/security/security_selinux.c b/src/security/security_selinux.c index 975b315..6680e2d 100644 --- a/src/security/security_selinux.c +++ b/src/security/security_selinux.c @@ -632,7 +632,8 @@ SELinuxReleaseSecurityLabel(virDomainObjPtr vm) { const virSecurityLabelDefPtr secdef = &vm->def->seclabel; - if (secdef->type == VIR_DOMAIN_SECLABEL_STATIC) + if (secdef->type == VIR_DOMAIN_SECLABEL_STATIC || + secdef->label == NULL) return 0; context_t con = context_new(secdef->label); -- 1.6.6.1