netmgr: we can't uv_close(sock->timer) when in sock->timer close callback

diff --git a/lib/isc/netmgr/netmgr.c b/lib/isc/netmgr/netmgr.c
index ffde1a2157a284f0f5413b3fc438b1fb021eae85..6a66bd5fdbd8fe9ca340d468243dde489e182aaf 100644 (file)
--- a/lib/isc/netmgr/netmgr.c
+++ b/lib/isc/netmgr/netmgr.c
@@ -760,8 +760,11 @@ nmsocket_cleanup(isc_nmsocket_t *sock, bool dofree) {
 
        if (sock->timer_initialized) {
                sock->timer_initialized = false;
-               uv_timer_stop(&sock->timer);
-               uv_close((uv_handle_t *)&sock->timer, NULL);
+               /* We might be in timer callback */
+               if (!uv_is_closing((uv_handle_t *) &sock->timer)) {
+                       uv_timer_stop(&sock->timer);
+                       uv_close((uv_handle_t *)&sock->timer, NULL);
+               }
        }
 
        isc_astack_destroy(sock->inactivehandles);