File 0001-datetime-fix-potential-out-of-bound-read-on-malformed-datetime-string.patch of Package gstreamer
From 9398b7f1a75b38844ae7050b5a7967e4cdebe24f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim-Philipp=20M=C3=BCller?= <tim@centricular.com>
Date: Sun, 15 Jan 2017 11:52:44 +0000
Subject: [PATCH] datetime: fix potential out-of-bound read on malformed
datetime string
https://bugzilla.gnome.org/show_bug.cgi?id=777263
---
gst/gstdatetime.c | 2 +-
tests/check/gst/gstdatetime.c | 8 ++++++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/gst/gstdatetime.c b/gst/gstdatetime.c
index 2d99594..67cdd6c 100644
--- a/gst/gstdatetime.c
+++ b/gst/gstdatetime.c
@@ -865,7 +865,7 @@ gst_date_time_new_from_iso8601_string (const gchar * string)
else if (neg_pos)
pos = neg_pos + 1;
- if (pos) {
+ if (pos && strlen (pos) >= 3) {
gint ret_tz;
if (pos[2] == ':')
ret_tz = sscanf (pos, "%d:%d", &gmt_offset_hour, &gmt_offset_min);
diff --git a/tests/check/gst/gstdatetime.c b/tests/check/gst/gstdatetime.c
index ae15dc5..7bbc5bd 100644
--- a/tests/check/gst/gstdatetime.c
+++ b/tests/check/gst/gstdatetime.c
@@ -701,6 +701,14 @@ GST_START_TEST (test_GstDateTime_iso8601)
fail_unless (!gst_date_time_has_second (dt));
gst_date_time_unref (dt);
+ /* some bogus ones, make copy to detect out of bound read in valgrind/asan */
+ {
+ gchar *s = g_strdup ("0002000000T00000:00+0");
+ dt = gst_date_time_new_from_iso8601_string (s);
+ gst_date_time_unref (dt);
+ g_free (s);
+ }
+
g_date_time_unref (gdt2);
}