This fixes triggering the av_assert0(ret <= tmp.size). The problem was reintroduced by commit 7b27dd5c16de785297ce4de4b88afa0b6685f61d and originally fixed by 2a4700a4f03280fa8ba4fc0f8a9987bb550f0d1e.
Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com> --- libavcodec/wmavoice.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/wmavoice.c b/libavcodec/wmavoice.c index cd5958c7bc..1bfad46b2e 100644 --- a/libavcodec/wmavoice.c +++ b/libavcodec/wmavoice.c @@ -1923,6 +1923,11 @@ static int wmavoice_decode_packet(AVCodecContext *ctx, void *data, * continuing to parse new superframes in the current packet. */ if (s->sframe_cache_size > 0) { int cnt = get_bits_count(gb); + if (cnt + s->spillover_nbits > avpkt->size * 8) { + av_log(ctx, AV_LOG_WARNING, "Number of spillover bits %d larger than remaining packet size %d, truncating.\n", + s->spillover_nbits, avpkt->size * 8 - cnt); + s->spillover_nbits = avpkt->size * 8 - cnt; + } copy_bits(&s->pb, avpkt->data, size, gb, s->spillover_nbits); flush_put_bits(&s->pb); s->sframe_cache_size += s->spillover_nbits; -- 2.11.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel