From df8575584dcacde187d92ee3142800373fd34882 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 6 May 2017 19:53:25 +0200 Subject: [PATCH] avcodec/shorten: Check residual size Fixes assertion failure Signed-off-by: Michael Niedermayer --- libavcodec/shorten.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c index 2d3540a229..b785284aa2 100644 --- a/libavcodec/shorten.c +++ b/libavcodec/shorten.c @@ -661,6 +661,10 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data, * of get_sr_golomb_shorten(). */ if (s->version == 0) residual_size--; + if (residual_size > 30U) { + av_log(avctx, AV_LOG_ERROR, "residual size unsupportd: %d\n", residual_size); + return AVERROR_INVALIDDATA; + } } /* calculate sample offset using means from previous blocks */