In 9e2465834 a check that denies internal snapshots when pflash based loader is configured for the domain. However, if there's none and an user tries to do an internal snapshot they will witness daemon crash as in that case vm->def->os.loader is NULL and we dereference it unconditionally. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> --- src/qemu/qemu_driver.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 40c2eab..3cc4f4d 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -13889,6 +13889,7 @@ qemuDomainSnapshotPrepare(virConnectPtr conn, * Avoid the issues by forbidding internal snapshot with pflash completely. */ if (found_internal && + vm->def->os.loader && vm->def->os.loader->type == VIR_DOMAIN_LOADER_TYPE_PFLASH) { virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s", _("internal snapshots of a VM with pflash based " -- 2.10.2