From e85eb7cb04cefa37c7f8e78aac381aa8377dea0f Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 21 Oct 2019 00:22:46 +0200 Subject: avcodec/atrac9dec: Set channels Fixes: null pointer dereference Fixes: 18341/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC9_fuzzer-5681203490848768 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Lynne Signed-off-by: Michael Niedermayer --- libavcodec/atrac9dec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/atrac9dec.c b/libavcodec/atrac9dec.c index 46e60ca998..b0f659d118 100644 --- a/libavcodec/atrac9dec.c +++ b/libavcodec/atrac9dec.c @@ -873,6 +873,7 @@ static av_cold int atrac9_decode_init(AVCodecContext *avctx) s->block_config = &at9_block_layout[block_config_idx]; avctx->channel_layout = s->block_config->channel_layout; + avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout); avctx->sample_fmt = AV_SAMPLE_FMT_FLTP; if (get_bits1(&gb)) { -- cgit v1.2.3