diff options
Diffstat (limited to 'src/libdca-3-sanity-check-for-subframes-and-prim_channels.patch')
-rw-r--r-- | src/libdca-3-sanity-check-for-subframes-and-prim_channels.patch | 27 |
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); |