ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Fri Aug 11 19:27:02 2017 +0200| [0561bd2fc2bff0dbe651d5998e9f129c43d25eb3] | committer: Michael Niedermayer
avcodec/gdv: Check available space before reading palette Fixes: Timeout Fixes: 2926/clusterfuzz-testcase-498711001458278 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0561bd2fc2bff0dbe651d5998e9f129c43d25eb3 --- libavcodec/gdv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/gdv.c b/libavcodec/gdv.c index b324e4f26e..dc91869edf 100644 --- a/libavcodec/gdv.c +++ b/libavcodec/gdv.c @@ -427,6 +427,8 @@ static int gdv_decode_frame(AVCodecContext *avctx, void *data, case 1: memset(gdv->frame + PREAMBLE_SIZE, 0, gdv->frame_size - PREAMBLE_SIZE); case 0: + if (bytestream2_get_bytes_left(gb) < 256*3) + return AVERROR_INVALIDDATA; for (i = 0; i < 256; i++) { unsigned r = bytestream2_get_byte(gb); unsigned g = bytestream2_get_byte(gb); _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
