ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Tue Sep 14 20:31:39 2021 +0200| [97f3abe294c5cd4dbcc11d1f13f4c6853957b014] | committer: Michael Niedermayer
avcodec/flicvideo: Check remaining bytes in FLI*COPY Fixes: Timeout Fixes: 37795/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLIC_fuzzer-4846536543043584 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 5f835efbca874ad42cb954e6788588f52a57a7a2) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=97f3abe294c5cd4dbcc11d1f13f4c6853957b014 --- libavcodec/flicvideo.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c index 276c2ff2a6..67fbaa7249 100644 --- a/libavcodec/flicvideo.c +++ b/libavcodec/flicvideo.c @@ -735,6 +735,8 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, bytestream2_skip(&g2, chunk_size - 6); } else { + if (bytestream2_get_bytes_left(&g2) < 2 * s->avctx->width * s->avctx->height ) + return AVERROR_INVALIDDATA; for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height; y_ptr += s->frame->linesize[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".
