diff --git a/configure.in b/configure.in
index f1972bf6..89494b4d 100644
--- a/configure.in
+++ b/configure.in
@@ -216,11 +216,13 @@ AC_CHECK_HEADERS([ \
   sys/select.h \
   sys/sendfile.h \
   sys/socket.h \
+  sys/stat.h \
   sys/time.h \
   sys/timerfd.h \
   sys/uio.h \
   sys/wait.h \
 ])
+
 AC_CHECK_HEADERS(sys/sysctl.h, [], [], [
 #ifdef HAVE_SYS_PARAM_H
 #include <sys/param.h>
@@ -354,6 +356,7 @@ AC_CHECK_FUNCS([ \
   strtoll \
   sysctl \
   timerfd_create \
+  umask \
   unsetenv \
   usleep \
   vasprintf \
diff --git a/test/regress.c b/test/regress.c
index 0ab93a98..cd7e7465 100644
--- a/test/regress.c
+++ b/test/regress.c
@@ -2274,6 +2274,10 @@ test_event_pending(void *ptr)
 	    NULL);
 	t = evtimer_new(data->base, timeout_cb, NULL);
 
+	tt_assert(r);
+	tt_assert(w);
+	tt_assert(t);
+
 	evutil_gettimeofday(&now, NULL);
 	event_add(r, NULL);
 	event_add(t, &tv);
@@ -2371,7 +2375,8 @@ end:
 		event_free(ev1);
 	if (ev2)
 		event_free(ev2);
-	close(dfd);
+	if (dfd >= 0)
+		close(dfd);
 }
 #endif
 
diff --git a/test/regress_buffer.c b/test/regress_buffer.c
index d94a8b37..365b0c37 100644
--- a/test/regress_buffer.c
+++ b/test/regress_buffer.c
@@ -1232,6 +1232,8 @@ test_evbuffer_find(void *ptr)
 	unsigned int i;
 	struct evbuffer * buf = evbuffer_new();
 
+	tt_assert(buf);
+
 	/* make sure evbuffer_find doesn't match past the end of the buffer */
 	evbuffer_add(buf, (u_char*)test1, strlen(test1));
 	evbuffer_validate(buf);
@@ -1273,6 +1275,8 @@ test_evbuffer_ptr_set(void *ptr)
 	struct evbuffer_ptr pos;
 	struct evbuffer_iovec v[1];
 
+	tt_assert(buf);
+
 	tt_int_op(evbuffer_get_length(buf), ==, 0);
 
 	tt_assert(evbuffer_ptr_set(buf, &pos, 0, EVBUFFER_PTR_SET) == 0);
@@ -1331,6 +1335,9 @@ test_evbuffer_search(void *ptr)
 	struct evbuffer *tmp = evbuffer_new();
 	struct evbuffer_ptr pos, end;
 
+	tt_assert(buf);
+	tt_assert(tmp);
+
 	pos = evbuffer_search(buf, "x", 1, NULL);
 	tt_int_op(pos.pos, ==, -1);
 	tt_assert(evbuffer_ptr_set(buf, &pos, 0, EVBUFFER_PTR_SET) == 0);
@@ -1436,6 +1443,10 @@ test_evbuffer_callbacks(void *ptr)
 	struct evbuffer *buf_out2 = evbuffer_new();
 	struct evbuffer_cb_entry *cb1, *cb2;
 
+	tt_assert(buf);
+	tt_assert(buf_out1);
+	tt_assert(buf_out2);
+
 	cb1 = evbuffer_add_cb(buf, log_change_callback, buf_out1);
 	cb2 = evbuffer_add_cb(buf, log_change_callback, buf_out2);
 
diff --git a/test/regress_bufferevent.c b/test/regress_bufferevent.c
index 06b8831f..335ed44d 100644
--- a/test/regress_bufferevent.c
+++ b/test/regress_bufferevent.c
@@ -256,6 +256,8 @@ test_bufferevent_watermarks_impl(int use_pair)
 		bev1 = bufferevent_new(pair[0], NULL, wm_writecb, wm_errorcb, NULL);
 		bev2 = bufferevent_new(pair[1], wm_readcb, NULL, wm_errorcb, NULL);
 	}
+	tt_assert(bev1);
+	tt_assert(bev2);
 	bufferevent_disable(bev1, EV_READ);
 	bufferevent_enable(bev2, EV_READ);
 
@@ -280,8 +282,10 @@ test_bufferevent_watermarks_impl(int use_pair)
 	tt_assert(!event_pending(&bev2->ev_write, EV_WRITE, NULL));
 
 end:
-	bufferevent_free(bev1);
-	bufferevent_free(bev2);
+	if (bev1)
+		bufferevent_free(bev1);
+	if (bev2)
+		bufferevent_free(bev2);
 }
 
 static void
@@ -390,8 +394,10 @@ test_bufferevent_filters_impl(int use_pair)
 		test_ok = 0;
 
 end:
-	bufferevent_free(bev1);
-	bufferevent_free(bev2);
+	if (bev1)
+		bufferevent_free(bev1);
+	if (bev2)
+		bufferevent_free(bev2);
 
 }
 
diff --git a/test/regress_dns.c b/test/regress_dns.c
index 8f853253..cfb32552 100644
--- a/test/regress_dns.c
+++ b/test/regress_dns.c
@@ -1070,6 +1070,7 @@ test_bufferevent_connect_hostname(void *arg)
 	    &n_accept,
 	    LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_EXEC,
 	    -1, (struct sockaddr *)&sin, sizeof(sin));
+	tt_assert(listener);
 	listener_port = regress_get_socket_port(
 		evconnlistener_get_fd(listener));
 
@@ -1215,6 +1216,7 @@ test_getaddrinfo_async(void *arg)
 	int n_dns_questions = 0;
 
 	struct evdns_base *dns_base = evdns_base_new(data->base, 0);
+	tt_assert(dns_base);
 
 	/* for localhost */
 	evdns_base_load_hosts(dns_base, NULL);
@@ -1712,6 +1714,7 @@ testleak_cleanup(const struct testcase_t *testcase, void *env_)
 {
 	int ok = 0;
 	struct testleak_env_t *env = env_;
+	tt_assert(env);
 #ifdef EVENT__DISABLE_DEBUG_MODE
 	tt_int_op(allocated_chunks, ==, 0);
 #else
@@ -1720,12 +1723,13 @@ testleak_cleanup(const struct testcase_t *testcase, void *env_)
 #endif
 	ok = 1;
 end:
-	if (env->dns_base)
-		evdns_base_free(env->dns_base, 0);
-	if (env->base)
-		event_base_free(env->base);
-	if (env)
+	if (env) {
+		if (env->dns_base)
+			evdns_base_free(env->dns_base, 0);
+		if (env->base)
+			event_base_free(env->base);
 		free(env);
+	}
 	return ok;
 }
 
diff --git a/test/regress_et.c b/test/regress_et.c
index 74dc4b7d..7f700cf3 100644
--- a/test/regress_et.c
+++ b/test/regress_et.c
@@ -173,7 +173,9 @@ test_edgetriggered_mix_error(void *data_)
 
 	/* try mixing edge-triggered and level-triggered to make sure it fails*/
 	ev_et = event_new(base, data->pair[0], EV_READ|EV_ET, read_cb, ev_et);
+	tt_assert(ev_et);
 	ev_lt = event_new(base, data->pair[0], EV_READ, read_cb, ev_lt);
+	tt_assert(ev_lt);
 
 	/* Add edge-triggered, then level-triggered.  Get an error. */
 	tt_int_op(0, ==, event_add(ev_et, NULL));
diff --git a/test/regress_http.c b/test/regress_http.c
index ad6acbb9..cc755de2 100644
--- a/test/regress_http.c
+++ b/test/regress_http.c
@@ -2665,9 +2665,11 @@ http_chunked_errorcb(struct bufferevent *bev, short what, void *arg)
 		if (header == NULL)
 			goto out;
 		/* 13 chars */
-		if (strcmp(header, "d"))
+		if (strcmp(header, "d")) {
+			free((void*)header);
 			goto out;
-		free((char*)header);
+		}
+		free((void*)header);
 
 		if (strncmp((char *)evbuffer_pullup(bufferevent_get_input(bev), 13),
 			"This is funny", 13))
@@ -2693,8 +2695,10 @@ http_chunked_errorcb(struct bufferevent *bev, short what, void *arg)
 		if (header == NULL)
 			goto out;
 		/* 8 chars */
-		if (strcmp(header, "8"))
+		if (strcmp(header, "8")) {
+			free((void*)header);
 			goto out;
+		}
 		free((char *)header);
 
 		if (strncmp((char *)evbuffer_pullup(bufferevent_get_input(bev), 8),
@@ -2707,9 +2711,11 @@ http_chunked_errorcb(struct bufferevent *bev, short what, void *arg)
 		if (header == NULL)
 			goto out;
 		/* 0 chars */
-		if (strcmp(header, "0"))
+		if (strcmp(header, "0")) {
+			free((void*)header);
 			goto out;
-		free((char *)header);
+		}
+		free((void *)header);
 
 		test_ok = 2;
 
@@ -3220,26 +3226,30 @@ static void
 http_primitives(void *ptr)
 {
 	char *escaped = NULL;
-	struct evhttp *http;
+	struct evhttp *http = NULL;
 
 	escaped = evhttp_htmlescape("<script>");
+	tt_assert(escaped);
 	tt_str_op(escaped, ==, "&lt;script&gt;");
 	free(escaped);
 
 	escaped = evhttp_htmlescape("\"\'&");
+	tt_assert(escaped);
 	tt_str_op(escaped, ==, "&quot;&#039;&amp;");
 
 	http = evhttp_new(NULL);
+	tt_assert(http);
 	tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, NULL), ==, 0);
 	tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, NULL), ==, -1);
 	tt_int_op(evhttp_del_cb(http, "/test"), ==, 0);
 	tt_int_op(evhttp_del_cb(http, "/test"), ==, -1);
 	tt_int_op(evhttp_set_cb(http, "/test", http_basic_cb, NULL), ==, 0);
-	evhttp_free(http);
 
  end:
 	if (escaped)
 		free(escaped);
+	if (http)
+		evhttp_free(http);
 }
 
 static void
diff --git a/test/regress_main.c b/test/regress_main.c
index 415cbb00..3dc8be89 100644
--- a/test/regress_main.c
+++ b/test/regress_main.c
@@ -59,6 +59,9 @@
 #endif
 
 #include <sys/types.h>
+#ifdef EVENT__HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
 
 #ifndef _WIN32
 #include <sys/socket.h>
@@ -125,6 +128,9 @@ regress_make_tmpfile(const void *data, size_t datalen, char **filename_out)
 	int fd;
 	*filename_out = NULL;
 	strcpy(tmpfilename, "/tmp/eventtmp.XXXXXX");
+#ifdef EVENT__HAVE_UMASK
+	umask(0077);
+#endif
 	fd = mkstemp(tmpfilename);
 	if (fd == -1)
 		return (-1);
@@ -305,7 +311,7 @@ static void *
 legacy_test_setup(const struct testcase_t *testcase)
 {
 	struct basic_test_data *data = basic_test_setup(testcase);
-	if (data == (void*)TT_SKIP)
+	if (data == (void*)TT_SKIP || data == NULL)
 		return data;
 	global_base = data->base;
 	pair[0] = data->pair[0];
diff --git a/test/regress_rpc.c b/test/regress_rpc.c
index d33e3337..0a5c7a3f 100644
--- a/test/regress_rpc.c
+++ b/test/regress_rpc.c
@@ -113,6 +113,7 @@ MessageCb(EVRPC_STRUCT(Message)* rpc, void *arg)
 		struct evhttp_request* req = EVRPC_REQUEST_HTTP(rpc);
 		const char *header = evhttp_find_header(
 			req->input_headers, "X-Hook");
+		assert(header);
 		assert(strcmp(header, "input") == 0);
 	}
 
@@ -332,6 +333,7 @@ GotKillCb(struct evrpc_status *status,
 		struct evhttp_request *req = status->http_req;
 		const char *header = evhttp_find_header(
 			req->input_headers, "X-Pool-Hook");
+		assert(header);
 		assert(strcmp(header, "ran") == 0);
 	}
 
@@ -734,6 +736,9 @@ rpc_test(void)
 	int i;
 
 	msg = msg_new();
+
+	tt_assert(msg);
+
 	EVTAG_ASSIGN(msg, from_name, "niels");
 	EVTAG_ASSIGN(msg, to_name, "phoenix");
 
diff --git a/test/regress_testutils.c b/test/regress_testutils.c
index e612c52f..340bf979 100644
--- a/test/regress_testutils.c
+++ b/test/regress_testutils.c
@@ -101,7 +101,7 @@ regress_get_dnsserver(struct event_base *base,
 	struct sockaddr_in my_addr;
 
 	sock = socket(AF_INET, SOCK_DGRAM, 0);
-	if (sock <= 0) {
+	if (sock < 0) {
 		tt_abort_perror("socket");
 	}
 
@@ -112,6 +112,7 @@ regress_get_dnsserver(struct event_base *base,
 	my_addr.sin_port = htons(*portnum);
 	my_addr.sin_addr.s_addr = htonl(0x7f000001UL);
 	if (bind(sock, (struct sockaddr*)&my_addr, sizeof(my_addr)) < 0) {
+		evutil_closesocket(sock);
 		tt_abort_perror("bind");
 	}
 	port = evdns_add_server_port_with_base(base, sock, 0, cb, arg);