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Change domain controller index type to unsigned

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Error out on negative index values.

https://bugzilla.redhat.com/show_bug.cgi?id=981261
This commit is contained in:
Jincheng Miao 2013-07-12 14:17:23 +02:00 committed by Ján Tomko
parent acc27c4eaa
commit 945b18eb7d
6 changed files with 25 additions and 7 deletions
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7
src/conf/domain_conf.c
View File

@ -2653,7 +2653,7 @@ virDomainDefRejectDuplicateControllers(virDomainDefPtr def)
for (i = 0; i < def->ncontrollers; i++) {
cont = def->controllers[i];
if (cont->idx > max_idx[cont->type])
if ((int) cont->idx > max_idx[cont->type])
max_idx[cont->type] = cont->idx;
}
@ -5567,7 +5567,8 @@ virDomainControllerDefParseXML(xmlNodePtr node,
idx = virXMLPropString(node, "index");
if (idx) {
if (virStrToLong_i(idx, NULL, 10, &def->idx) < 0) {
if (virStrToLong_ui(idx, NULL, 10, &def->idx) < 0 ||
def->idx > INT_MAX) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Cannot parse controller index %s"), idx);
goto error;
@ -14381,7 +14382,7 @@ virDomainControllerDefFormat(virBufferPtr buf,
}
virBufferAsprintf(buf,
" <controller type='%s' index='%d'",
" <controller type='%s' index='%u'",
type, def->idx);
if (model) {

2
src/conf/domain_conf.h
View File

@ -790,7 +790,7 @@ struct _virDomainVirtioSerialOpts {
/* Stores the virtual disk controller configuration */
struct _virDomainControllerDef {
int type;
int idx;
unsigned int idx;
int model; /* -1 == undef */
unsigned int queues;
union {

2
src/qemu/qemu_command.c
View File

@ -1573,7 +1573,7 @@ qemuDomainAssignPCIAddresses(virDomainDefPtr def,
for (i = 0; i < def->ncontrollers; i++) {
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) {
if (def->controllers[i]->idx > max_idx)
if ((int) def->controllers[i]->idx > max_idx)
max_idx = def->controllers[i]->idx;
}
}

3
src/vmx/vmx.c
View File

@ -1653,8 +1653,7 @@ virVMXParseConfig(virVMXContext *ctx,
for (controller = 0; controller < def->ncontrollers; ++controller) {
if (def->controllers[controller]->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI) {
if (def->controllers[controller]->idx < 0 ||
def->controllers[controller]->idx > 3) {
if (def->controllers[controller]->idx > 3) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("SCSI controller index %d out of [0..3] range"),
def->controllers[controller]->idx);

15
tests/qemuxml2argvdata/qemuxml2argv-pci-bridge-negative-index-invalid.xml Normal file
View File

@ -0,0 +1,15 @@
<domain type='qemu'>
<name>fdr-br</name>
<memory unit='KiB'>2097152</memory>
<currentMemory unit='KiB'>2097152</currentMemory>
<vcpu placement='static' cpuset='0-1'>2</vcpu>
<os>
<type arch='x86_64' machine='pc-1.2'>hvm</type>
<boot dev='hd'/>
</os>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<controller type='pci' index='0' model='pci-root'/>
<controller type='pci' index='-1' model='pci-bridge'/>
</devices>
</domain>

3
tests/qemuxml2argvtest.c
View File

@ -1015,6 +1015,9 @@ mymain(void)
DO_TEST("mlock-off", QEMU_CAPS_MLOCK);
DO_TEST("mlock-unsupported", NONE);
DO_TEST_PARSE_ERROR("pci-bridge-negative-index-invalid",
QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_PCI_BRIDGE);
virObjectUnref(driver.config);
virObjectUnref(driver.caps);
virObjectUnref(driver.xmlopt);