demux: libmp4: fix heap overflow in stdp debug code (fix #12358)

(cherry picked from commit 2caa3ce4d4a50da0796d0e2bb7feebb53aed8f8f) Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

demux: libmp4: fix heap overflow in stdp debug code (fix #12358)
(cherry picked from commit 2caa3ce4d4a50da0796d0e2bb7feebb53aed8f8f) Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
5249240c · Francois Cartegnie · Jean-Baptiste Kempf · 7d4f14c4 · 5249240c
Commit 5249240c authored Oct 08, 2014 by Francois Cartegnie Committed by Jean-Baptiste Kempf Oct 09, 2014
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modules/demux/mp4/libmp4.c modules/demux/mp4/libmp4.c +2 -1

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--- a/modules/demux/mp4/libmp4.c
+++ b/modules/demux/mp4/libmp4.c
@@ -3042,6 +3042,7 @@ static int MP4_ReadBox_sdtp( stream_t *p_stream, MP4_Box_t *p_box )

 #ifdef MP4_VERBOSE
    msg_Dbg( p_stream, "i_sample_count is %"PRIu32"", i_sample_count );
+    if ( i_sample_count > 3 )
        msg_Dbg( p_stream,
             "read box: \"sdtp\" head: %"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"",
                 p_sdtp->p_sample_table[0],