From 59aebaa5f9f3afe9cdfbb0d37c4dc631690da3b9 Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Tue, 21 Dec 2021 12:05:05 +0100 Subject: [PATCH] Add cairo_image_surface_create error handling cairo_image_surface_create can fail, e.g. when running out of memory or when the size is too big. Avoid crashing in this case. Closes: https://github.com/swaywm/sway/issues/6531 --- sway/tree/container.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sway/tree/container.c b/sway/tree/container.c index 132b6819..e5149fb6 100644 --- a/sway/tree/container.c +++ b/sway/tree/container.c @@ -536,6 +536,13 @@ static void render_titlebar_text_texture(struct sway_output *output, cairo_surface_t *surface = cairo_image_surface_create( CAIRO_FORMAT_ARGB32, width, height); + cairo_status_t status = cairo_surface_status(surface); + if (status != CAIRO_STATUS_SUCCESS) { + sway_log(SWAY_ERROR, "cairo_image_surface_create failed: %s", + cairo_status_to_string(status)); + return; + } + cairo_t *cairo = cairo_create(surface); cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST); cairo_set_font_options(cairo, fo);