1 files changed, 27 insertions, 0 deletions
diff --git a/src/libdca-3-sanity-check-for-subframes-and-prim_channels.patch b/src/libdca-3-sanity-check-for-subframes-and-prim_channels.patch
new file mode 100644
index 0000000..25bdb4c
--- /dev/null
+++ b/src/libdca-3-sanity-check-for-subframes-and-prim_channels.patch
@@ -0,0 +1,27 @@
+This file is part of MXE.
+See index.html for further information.
+
+Taken from libdca svn: svn://svn.videolan.org/libdca/trunk.
+
+r87 | sam | 2008-07-18 19:22:47 +0000 (Fri, 18 Jul 2008) | 2 lines
+  * parse.c: sanity check for subframes and prim_channels to avoid crashes
+    with invalid streams.
+
+--- libdca.orig/libdca/parse.c
++++ libdca/libdca/parse.c
+@@ -305,8 +305,15 @@
+ 
+     /* Primary audio coding header */
+     state->subframes = bitstream_get (state, 4) + 1;
++
++    if (state->subframes > DCA_SUBFRAMES_MAX)
++        state->subframes = DCA_SUBFRAMES_MAX;
++
+     state->prim_channels = bitstream_get (state, 3) + 1;
+ 
++    if (state->prim_channels > DCA_PRIM_CHANNELS_MAX)
++        state->prim_channels = DCA_PRIM_CHANNELS_MAX;
++
+ #ifdef DEBUG
+     fprintf (stderr, "subframes: %i\n", state->subframes);
+     fprintf (stderr, "prim channels: %i\n", state->prim_channels);