Clear sock->magic to 0 when destroying a netmgr socket

diff --git a/lib/isc/netmgr/netmgr.c b/lib/isc/netmgr/netmgr.c
index a004d558045f419b03f9f978057ee19703cd2bb7..9e4b692f80163e35230d55126f27fca3e5f483d7 100644 (file)
--- a/lib/isc/netmgr/netmgr.c
+++ b/lib/isc/netmgr/netmgr.c
@@ -771,6 +771,7 @@ nmsocket_cleanup(isc_nmsocket_t *sock, bool dofree) {
        }
 
        isc_astack_destroy(sock->inactivereqs);
+       sock->magic = 0;
 
        isc_mem_free(sock->mgr->mctx, sock->ah_frees);
        isc_mem_free(sock->mgr->mctx, sock->ah_handles);