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qemu: Fix job usage in virDomainGetBlockIoTune

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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 3b56425938)
This commit is contained in:
Jiri Denemark 2013-12-20 15:41:04 +01:00 committed by Eric Blake
parent 0c4822c17b
commit a7844b9ec2
1 changed files with 5 additions and 6 deletions
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11
src/qemu/qemu_driver.c
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@ -14851,12 +14851,6 @@ qemuDomainGetBlockIoTune(virDomainPtr dom,
goto cleanup; goto cleanup;
} }
device = qemuDiskPathToAlias(vm, disk, NULL);
if (!device) {
goto cleanup;
}
if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0) if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
goto cleanup; goto cleanup;
@ -14864,6 +14858,11 @@ qemuDomainGetBlockIoTune(virDomainPtr dom,
&persistentDef) < 0) &persistentDef) < 0)
goto endjob; goto endjob;
device = qemuDiskPathToAlias(vm, disk, NULL);
if (!device) {
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_LIVE) { if (flags & VIR_DOMAIN_AFFECT_LIVE) {
priv = vm->privateData; priv = vm->privateData;
qemuDomainObjEnterMonitor(driver, vm); qemuDomainObjEnterMonitor(driver, vm);