X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmeshlink.c;h=22f5220d4beebe6c19d6612d45923602e0e78061;hb=ee6ddcdc21976e1db0a8ee414d61fa9304459886;hp=14ff7155888c96a04ff33945dfd71dcf9e4481dd;hpb=0f0bea383106de1a896905fdf8a56f55265bce74;p=meshlink

diff --git a/src/meshlink.c b/src/meshlink.c
index 14ff7155..22f5220d 100644
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -1659,7 +1659,12 @@ bool meshlink_start(meshlink_handle_t *mesh) {
 
 	event_loop_start(&mesh->loop);
 
-	if(pthread_create(&mesh->thread, NULL, meshlink_main_loop, mesh) != 0) {
+	// Ensure we have a decent amount of stack space. Musl's default of 80 kB is too small.
+	pthread_attr_t attr;
+	pthread_attr_init(&attr);
+	pthread_attr_setstacksize(&attr, 1024 * 1024);
+
+	if(pthread_create(&mesh->thread, &attr, meshlink_main_loop, mesh) != 0) {
 		logger(mesh, MESHLINK_DEBUG, "Could not start thread: %s\n", strerror(errno));
 		memset(&mesh->thread, 0, sizeof(mesh)->thread);
 		meshlink_errno = MESHLINK_EINTERNAL;
@@ -3675,6 +3680,11 @@ static void channel_poll(struct utcp_connection *connection, size_t len) {
 		if(aio->data) {
 			sent = utcp_send(connection, (char *)aio->data + aio->done, todo);
 		} else {
+			/* Limit the amount we read at once to avoid stack overflows */
+			if(todo > 65536) {
+				todo = 65536;
+			}
+
 			char buf[todo];
 			ssize_t result = read(aio->fd, buf, todo);