ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Thu Apr 11 00:36:48 2019 +0200| [3308e3da045e8a01ee08affa33a2d424629ca2e3] | committer: Michael Niedermayer
avcodec/agm: Check frame dimensions Fixes: out of array access Fixes: 14110/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5649184864075776 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3308e3da045e8a01ee08affa33a2d424629ca2e3 --- libavcodec/agm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/agm.c b/libavcodec/agm.c index ab9b93a5f8..f5fd5d065e 100644 --- a/libavcodec/agm.c +++ b/libavcodec/agm.c @@ -1178,6 +1178,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\n"); return AVERROR_INVALIDDATA; } + if (s->prev_frame-> width != frame->width || + s->prev_frame->height != frame->height) + return AVERROR_INVALIDDATA; if (!(s->flags & 2)) { ret = av_frame_copy(frame, s->prev_frame); _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
