ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Aug 12 00:21:49 2019 +0200| [b34033dec24aa7879d3e14f185d85fb4b9827a66] | committer: Michael Niedermayer
avcodec/vb: Check input packet size to be large enough to contain flags Fixes: Timeout (->9sec) Fixes: 16292/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VB_fuzzer-5747063496638464 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit dea2591d4fbc989ca82bc8a8ad7d16aacdc89af1) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b34033dec24aa7879d3e14f185d85fb4b9827a66 --- libavcodec/vb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/vb.c b/libavcodec/vb.c index c6dd6fb456..d9c6b93a73 100644 --- a/libavcodec/vb.c +++ b/libavcodec/vb.c @@ -199,6 +199,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, uint32_t size; int offset = 0; + if (avpkt->size < 2) + return AVERROR_INVALIDDATA; + bytestream2_init(&c->stream, avpkt->data, avpkt->size); if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
