From c507727ad240b978c6e09e3aa9238080ca9a1c81 Mon Sep 17 00:00:00 2001 From: Drew DeVault Date: Mon, 2 Apr 2018 11:53:56 -0400 Subject: Fix use-after-free with block hotspots --- common/pango.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'common') diff --git a/common/pango.c b/common/pango.c index 2ae7883c..658d2876 100644 --- a/common/pango.c +++ b/common/pango.c @@ -6,6 +6,7 @@ #include #include #include +#include "log.h" PangoLayout *get_pango_layout(cairo_t *cairo, const char *font, const char *text, int32_t scale, bool markup) { @@ -13,7 +14,13 @@ PangoLayout *get_pango_layout(cairo_t *cairo, const char *font, PangoAttrList *attrs; if (markup) { char *buf; - pango_parse_markup(text, -1, 0, &attrs, &buf, NULL, NULL); + GError *error = NULL; + if (!sway_assert(pango_parse_markup( + text, -1, 0, &attrs, &buf, NULL, &error), + "pango_parse_markup '%s' -> error %s", text, + error ? error->message : NULL)) { + return NULL; + } pango_layout_set_markup(layout, buf, -1); free(buf); } else { -- cgit v1.2.3