From: Sebastian Dröge <sebastian@centricular.com>
Date: Fri, 7 Jul 2023 07:00:19 +0000 (+0300)
Subject: rmdemux: Check that enough SIPR audio data is available when copying
X-Git-Tag: 1.22.7~129
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=743381cba7e26c2660e7379a53106adbaf125de0;p=platform%2Fupstream%2Fgstreamer.git

rmdemux: Check that enough SIPR audio data is available when copying

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5073>
---

diff --git a/subprojects/gst-plugins-ugly/gst/realmedia/rmdemux.c b/subprojects/gst-plugins-ugly/gst/realmedia/rmdemux.c
index eaee9ac..902092b 100644
--- a/subprojects/gst-plugins-ugly/gst/realmedia/rmdemux.c
+++ b/subprojects/gst-plugins-ugly/gst/realmedia/rmdemux.c
@@ -2168,7 +2168,13 @@ gst_rmdemux_descramble_sipr_audio (GstRMDemux * rmdemux,
       GST_BUFFER_PTS (outbuf) = GST_BUFFER_PTS (b);
     }
 
-    gst_buffer_extract (b, 0, outmap.data + packet_size * p, packet_size);
+    if (gst_buffer_extract (b, 0, outmap.data + packet_size * p,
+            packet_size) != packet_size) {
+      GST_ERROR_OBJECT (rmdemux, "not enough SIPR audio data available");
+      gst_buffer_unmap (outbuf, &outmap);
+      gst_buffer_unref (outbuf);
+      return GST_FLOW_ERROR;
+    }
   }
   gst_buffer_unmap (outbuf, &outmap);