[FFmpeg-cvslog] avcodec/flvdec: make while get_bits loop more robust by checking bits left

Michael Niedermayer git at videolan.org
Wed Oct 30 14:48:06 CET 2013


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Oct 30 14:23:30 2013 +0100| [b0f8b5c8190ae1f8abf56695c8211d6e82022323] | committer: Michael Niedermayer

avcodec/flvdec: make while get_bits loop more robust by checking bits left

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b0f8b5c8190ae1f8abf56695c8211d6e82022323
---

 libavcodec/flvdec.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/flvdec.c b/libavcodec/flvdec.c
index 3e55aaf..af60dad 100644
--- a/libavcodec/flvdec.c
+++ b/libavcodec/flvdec.c
@@ -104,6 +104,8 @@ int ff_flv_decode_picture_header(MpegEncContext *s)
     /* PEI */
     while (get_bits1(&s->gb) != 0) {
         skip_bits(&s->gb, 8);
+        if (get_bits_left(&s->gb) <= 0)
+            return AVERROR_INVALIDDATA;
     }
     s->f_code = 1;
 



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