From 8fcc0f0237f728361065caf6fac0fce1965230a0 Mon Sep 17 00:00:00 2001 From: Jiri Denemark Date: Fri, 20 Dec 2013 15:41:04 +0100 Subject: [PATCH] qemu: Fix job usage in virDomainGetBlockIoTune CVE-2013-6458 Every API that is going to begin a job should do that before fetching data from vm->def. (cherry picked from commit 3b56425938e2f97208d5918263efa0d6439e4ecd) --- src/qemu/qemu_driver.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 5d8db22be6..c49748ce17 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -14765,12 +14765,6 @@ qemuDomainGetBlockIoTune(virDomainPtr dom, goto cleanup; } - device = qemuDiskPathToAlias(vm, disk, NULL); - - if (!device) { - goto cleanup; - } - if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0) goto cleanup; @@ -14778,6 +14772,11 @@ qemuDomainGetBlockIoTune(virDomainPtr dom, &persistentDef) < 0) goto endjob; + device = qemuDiskPathToAlias(vm, disk, NULL); + if (!device) { + goto endjob; + } + if (flags & VIR_DOMAIN_AFFECT_LIVE) { priv = vm->privateData; qemuDomainObjEnterMonitor(driver, vm); -- 2.47.3