Below patch fixes this coverity report: /libvirt/src/conf/nwfilter_conf.c:382: leaked_storage: Variable "varAccess" going out of scope leaks the storage it points to. --- src/conf/nwfilter_conf.c | 1 + 1 file changed, 1 insertion(+) Index: libvirt-acl/src/conf/nwfilter_conf.c =================================================================== --- libvirt-acl.orig/src/conf/nwfilter_conf.c +++ libvirt-acl/src/conf/nwfilter_conf.c @@ -379,6 +379,7 @@ virNWFilterRuleDefAddVar(virNWFilterRule if (VIR_EXPAND_N(nwf->varAccess, nwf->nVarAccess, 1) < 0) { virReportOOMError(); + virNWFilterVarAccessFree(varAccess); return -1; }