When getting a list of servers registered for a daemon, it's returned as a dynamically allocated array filled in with pointers to constant strings. Because the array is dynamic, it should be freed when no longer needed (but not the strings!). Even the function that creates the array suggests that. ==19446== 48 bytes in 3 blocks are definitely lost in loss record 821 of 1,034 ==19446== at 0x4C2C28E: realloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==19446== by 0x54BAFC8: virReallocN (viralloc.c:245) ==19446== by 0x54BB0BE: virExpandN (viralloc.c:294) ==19446== by 0x54BB391: virInsertElementsN (viralloc.c:436) ==19446== by 0x164E3D: virNetDaemonGetServerNames (virnetdaemon.c:217) ==19446== by 0x15616F: adminDaemonListServers (admin_server.c:52) ==19446== by 0x155B8C: adminDispatchConnectListServers (admin.c:151) ==19446== by 0x155FD8: adminDispatchConnectListServersHelper (admin_dispatch.h:101) ==19446== by 0x568E862: virNetServerProgramDispatchCall (virnetserverprogram.c:437) ==19446== by 0x568E3C3: virNetServerProgramDispatch (virnetserverprogram.c:307) ==19446== by 0x5687B5B: virNetServerProcessMsg (virnetserver.c:135) ==19446== by 0x5687C1B: virNetServerHandleJob (virnetserver.c:156) Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- daemon/admin_server.c | 1 + 1 file changed, 1 insertion(+) diff --git a/daemon/admin_server.c b/daemon/admin_server.c index 7521e82..0196bfe 100644 --- a/daemon/admin_server.c +++ b/daemon/admin_server.c @@ -68,6 +68,7 @@ adminDaemonListServers(virNetDaemonPtr dmn, ret = nsrvs; cleanup: + VIR_FREE(srv_names); virObjectListFree(srvs); return ret; }