ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Dec 6 01:19:37 2018 +0100| [7aaab127bebb33003105a620736d6cae8c45a6e5] | committer: Michael Niedermayer
avcodec/clearvideo: Check remaining input bits in P macro block loop Fixes: Timeout Fixes: 11083/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CLEARVIDEO_fuzzer-5657180351496192 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7aaab127bebb33003105a620736d6cae8c45a6e5 --- libavcodec/clearvideo.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/clearvideo.c b/libavcodec/clearvideo.c index 0e3c772123..ad3012f7b7 100644 --- a/libavcodec/clearvideo.c +++ b/libavcodec/clearvideo.c @@ -570,6 +570,8 @@ static int clv_decode_frame(AVCodecContext *avctx, void *data, for (j = 0; j < c->pmb_height; j++) { for (i = 0; i < c->pmb_width; i++) { + if (get_bits_left(&c->gb) <= 0) + return AVERROR_INVALIDDATA; if (get_bits1(&c->gb)) { MV mv = mvi_predict(&c->mvi, i, j, zero_mv); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
