ffmpeg | branch: release/3.0 | Michael Niedermayer <mich...@niedermayer.cc> | Wed Nov 22 20:14:54 2017 +0100| [71e40180cb1df511cfb67e17ff041f69d8d11d32] | committer: Michael Niedermayer
avcodec/kgv1dec: Check that there is enough input for maximum RLE compression Fixes: Timeout Fixes: 4271/clusterfuzz-testcase-4676667768307712 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 3aad94bf2b140cfba8ae69d018da05d4948ef37f) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=71e40180cb1df511cfb67e17ff041f69d8d11d32 --- libavcodec/kgv1dec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/kgv1dec.c b/libavcodec/kgv1dec.c index 5359411c76..a6bd9400ac 100644 --- a/libavcodec/kgv1dec.c +++ b/libavcodec/kgv1dec.c @@ -62,6 +62,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, h = (buf[1] + 1) * 8; buf += 2; + if (avpkt->size < 2 + w*h / 513) + return AVERROR_INVALIDDATA; + if (w != avctx->width || h != avctx->height) { av_freep(&c->frame_buffer); av_freep(&c->last_frame_buffer); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
