Merge branch 'ossfuzz-28458-date-overflow' into 'master'

gdate: Validate input as UTF-8 before parsing

See merge request GNOME/glib!1788
This commit is contained in:
Sebastian Dröge 2020-12-09 12:41:32 +00:00
commit e17c5d78fe
2 changed files with 29 additions and 1 deletions

View File

@ -1235,6 +1235,10 @@ g_date_set_parse (GDate *d,
/* set invalid */
g_date_clear (d, 1);
/* The input has to be valid UTF-8. */
if (!g_utf8_validate (str, -1, NULL))
return;
G_LOCK (g_date_global);
g_date_prepare_to_parse (str, &pt);

View File

@ -184,6 +184,29 @@ test_parse (void)
g_date_free (d);
}
static void
test_parse_invalid (void)
{
const gchar * const strs[] =
{
/* Incomplete UTF-8 sequence */
"\xfd",
};
gsize i;
for (i = 0; i < G_N_ELEMENTS (strs); i++)
{
GDate *d = g_date_new ();
g_test_message ("Test %" G_GSIZE_FORMAT, i);
g_date_set_parse (d, strs[i]);
g_assert_false (g_date_valid (d));
g_date_free (d);
}
}
static void
test_parse_locale_change (void)
{
@ -770,6 +793,7 @@ main (int argc, char** argv)
g_test_add_func ("/date/julian", test_julian_constructor);
g_test_add_func ("/date/dates", test_dates);
g_test_add_func ("/date/parse", test_parse);
g_test_add_func ("/date/parse/invalid", test_parse_invalid);
g_test_add_func ("/date/parse_locale_change", test_parse_locale_change);
g_test_add_func ("/date/month_substring", test_month_substring);
g_test_add_func ("/date/month_names", test_month_names);