12:39 p.m.
Fixes for bugs spotted by coverity
Daniel P. Berrangé (4):
conf: fix leak when parsing network port XML
conf: fix leak of directory handle when loading network ports
conf: fix NULL deref when exporting ports
conf: add error checking of UUID generation
src/conf/domain_conf.c | 12 ++++++++++--
src/conf/virnetworkobj.c | 9 ++++++---
src/conf/virnetworkportdef.c | 26 +++++++++-----------------
3 files changed, 25 insertions(+), 22 deletions(-)
--
2.21.0
12:39 p.m.
New subject: [libvirt] [PATCH v2 1/4] conf: fix leak when parsing network port XML
Use auto free to avoid leaking the "trustGuestRxFilters" strings
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/conf/virnetworkportdef.c | 26 +++++++++-----------------
1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/src/conf/virnetworkportdef.c b/src/conf/virnetworkportdef.c
index 379411e088..5dfa3a3583 100644
--- a/src/conf/virnetworkportdef.c
+++ b/src/conf/virnetworkportdef.c
@@ -76,19 +76,19 @@ static virNetworkPortDefPtr
virNetworkPortDefParseXML(xmlXPathContextPtr ctxt)
{
virNetworkPortDefPtr def;
- char *uuid = NULL;
+ VIR_AUTOFREE(char *) uuid = NULL;
xmlNodePtr virtPortNode;
xmlNodePtr vlanNode;
xmlNodePtr bandwidthNode;
xmlNodePtr addressNode;
- char *trustGuestRxFilters = NULL;
- char *mac = NULL;
- char *macmgr = NULL;
- char *mode = NULL;
- char *plugtype = NULL;
- char *managed = NULL;
- char *driver = NULL;
- char *class_id = NULL;
+ VIR_AUTOFREE(char *) trustGuestRxFilters = NULL;
+ VIR_AUTOFREE(char *) mac = NULL;
+ VIR_AUTOFREE(char *) macmgr = NULL;
+ VIR_AUTOFREE(char *) mode = NULL;
+ VIR_AUTOFREE(char *) plugtype = NULL;
+ VIR_AUTOFREE(char *) managed = NULL;
+ VIR_AUTOFREE(char *) driver = NULL;
+ VIR_AUTOFREE(char *) class_id = NULL;
if (VIR_ALLOC(def) < 0)
return NULL;
@@ -255,14 +255,6 @@ virNetworkPortDefParseXML(xmlXPathContextPtr ctxt)
}
cleanup:
- VIR_FREE(class_id);
- VIR_FREE(uuid);
- VIR_FREE(plugtype);
- VIR_FREE(mac);
- VIR_FREE(mode);
- VIR_FREE(macmgr);
- VIR_FREE(driver);
- VIR_FREE(managed);
return def;
error:
--
2.21.0
12:39 p.m.
New subject: [libvirt] [PATCH v2 2/4] conf: fix leak of directory handle when loading network ports
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/conf/virnetworkobj.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/conf/virnetworkobj.c b/src/conf/virnetworkobj.c
index 47c142998e..ed1f02f4c5 100644
--- a/src/conf/virnetworkobj.c
+++ b/src/conf/virnetworkobj.c
@@ -1750,6 +1750,7 @@ virNetworkObjDeleteAllPorts(virNetworkObjPtr net,
ret = 0;
cleanup:
+ VIR_DIR_CLOSE(dh);
return ret;
}
--
2.21.0
4:29 p.m.
New subject: [libvirt] [PATCH v2 2/4] conf: fix leak of directory handle when loading network ports
On 6/18/19 1:39 PM, Daniel P. Berrangé wrote:
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/conf/virnetworkobj.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/conf/virnetworkobj.c b/src/conf/virnetworkobj.c
index 47c142998e..ed1f02f4c5 100644
--- a/src/conf/virnetworkobj.c
+++ b/src/conf/virnetworkobj.c
@@ -1750,6 +1750,7 @@ virNetworkObjDeleteAllPorts(virNetworkObjPtr net,
Just need to initialize dh = NULL
John
ret = 0;
cleanup:
+ VIR_DIR_CLOSE(dh);
return ret;
}
12:39 p.m.
New subject: [libvirt] [PATCH v2 3/4] conf: fix NULL deref when exporting ports
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/conf/virnetworkobj.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/conf/virnetworkobj.c b/src/conf/virnetworkobj.c
index ed1f02f4c5..fd4bf779b9 100644
--- a/src/conf/virnetworkobj.c
+++ b/src/conf/virnetworkobj.c
@@ -1810,10 +1810,12 @@ virNetworkObjPortListExport(virNetworkPtr net,
};
int ret = -1;
- *ports = NULL;
+ if (ports) {
+ *ports = NULL;
- if (ports && VIR_ALLOC_N(data.ports, virHashSize(obj->ports) + 1) < 0)
- goto cleanup;
+ if (VIR_ALLOC_N(data.ports, virHashSize(obj->ports) + 1) < 0)
+ goto cleanup;
+ }
virHashForEach(obj->ports, virNetworkObjPortListExportCallback, &data);
--
2.21.0
12:39 p.m.
New subject: [libvirt] [PATCH v2 4/4] conf: add error checking of UUID generation
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/conf/domain_conf.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index ee651e7742..c69d382d70 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -30415,7 +30415,11 @@ virDomainNetDefToNetworkPort(virDomainDefPtr dom,
if (VIR_ALLOC(port) < 0)
return NULL;
- virUUIDGenerate(port->uuid);
+ if (virUUIDGenerate(port->uuid) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s", _("Failed to generate UUID"));
+ goto error;
+ }
memcpy(port->owneruuid, dom->uuid, VIR_UUID_BUFLEN);
if (VIR_STRDUP(port->ownername, dom->name) < 0)
@@ -30576,7 +30580,11 @@ virDomainNetDefActualToNetworkPort(virDomainDefPtr dom,
return NULL;
/* Bad - we need to preserve original port uuid */
- virUUIDGenerate(port->uuid);
+ if (virUUIDGenerate(port->uuid) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ "%s", _("Failed to generate UUID"));
+ goto error;
+ }
memcpy(port->owneruuid, dom->uuid, VIR_UUID_BUFLEN);
if (VIR_STRDUP(port->ownername, dom->name) < 0)
--
2.21.0
4:30 p.m.
On 6/18/19 1:39 PM, Daniel P. Berrangé wrote:
Fixes for bugs spotted by coverity
Daniel P. Berrangé (4):
conf: fix leak when parsing network port XML
conf: fix leak of directory handle when loading network ports
conf: fix NULL deref when exporting ports
conf: add error checking of UUID generation
src/conf/domain_conf.c | 12 ++++++++++--
src/conf/virnetworkobj.c | 9 ++++++---
src/conf/virnetworkportdef.c | 26 +++++++++-----------------
3 files changed, 25 insertions(+), 22 deletions(-)
Fix the nit in 2 and that makes coverity happy again...
Thanks
Reviewed-by: John Ferlan <jferlan(a)redhat.com>
John
1984
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1984
days old
6 comments
2 participants
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John Ferlan