The private data for video definition is created in virDomainVideoDefNew() and we attempt to free it in virDomainVideoDefFree(). This seems to work, except the free function calls clear function which zeroes out the whole structure and thus virObjectUnref() which is called on private data does nothing. 2,568 bytes in 107 blocks are definitely lost in loss record 207 of 213 at 0x4A35476: calloc (vg_replace_malloc.c:752) by 0x50A6048: virAllocVar (viralloc.c:346) by 0x513CC5A: virObjectNew (virobject.c:243) by 0x4DC1DEE: qemuDomainVideoPrivateNew (qemu_domain.c:1337) by 0x51A6BD6: virDomainVideoDefNew (domain_conf.c:2831) by 0x51B9F06: virDomainVideoDefParseXML (domain_conf.c:15541) by 0x51CB761: virDomainDefParseXML (domain_conf.c:21158) by 0x51C5973: virDomainDefParseNode (domain_conf.c:21708) by 0x51C583A: virDomainDefParse (domain_conf.c:21663) by 0x51C58AE: virDomainDefParseFile (domain_conf.c:21688) Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/conf/domain_conf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 67555c9be3..c290baf953 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -2853,6 +2853,7 @@ virDomainVideoDefClear(virDomainVideoDefPtr def) if (def->driver) VIR_FREE(def->driver->vhost_user_binary); VIR_FREE(def->driver); + virObjectUnref(def->privateData); memset(def, 0, sizeof(*def)); } @@ -2864,7 +2865,6 @@ void virDomainVideoDefFree(virDomainVideoDefPtr def) return; virDomainVideoDefClear(def); - virObjectUnref(def->privateData); VIR_FREE(def); } -- 2.21.0