ffmpeg | branch: release/2.1 | Michael Niedermayer <michae...@gmx.at> | Sun Dec 14 17:26:11 2014 +0100| [844f7f78aa523fb452c0271cb7dc6742039b9d3c] | committer: Michael Niedermayer
avformat/aviobuf: Check that avio_seek() target is non negative Fixes out of array access Suggested-by: Andrew Scherkus <scher...@google.com> Signed-off-by: Michael Niedermayer <michae...@gmx.at> (cherry picked from commit ed86dbd05d61363dc1c0d33f3267e2177c985fdd) Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=844f7f78aa523fb452c0271cb7dc6742039b9d3c --- libavformat/aviobuf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index 8218078..87ad388 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -217,6 +217,9 @@ int64_t avio_seek(AVIOContext *s, int64_t offset, int whence) return offset1; offset += offset1; } + if (offset < 0) + return AVERROR(EINVAL); + offset1 = offset - pos; if (!s->must_flush && (!s->direct || !s->seek) && offset1 >= 0 && offset1 <= (s->buf_end - s->buffer)) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
