From 31b22defcd8c6f0c95ef3be1ea819adf536ad8cb Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 21 Mar 2022 20:30:29 +0100 Subject: [PATCH] avcodec/vmdaudio: Fix channels count bug Fixes: division by zero Fixes: 45811/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VMDAUDIO_fuzzer-6412592581574656 Fixes: 45979/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VMDAUDIO_fuzzer-5362043060879360 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/vmdaudio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/vmdaudio.c b/libavcodec/vmdaudio.c index 045a2da410..875930061a 100644 --- a/libavcodec/vmdaudio.c +++ b/libavcodec/vmdaudio.c @@ -85,7 +85,7 @@ static av_cold int vmdaudio_decode_init(AVCodecContext *avctx) } av_channel_layout_uninit(&avctx->ch_layout); - av_channel_layout_default(&avctx->ch_layout, channels == 1); + av_channel_layout_default(&avctx->ch_layout, channels); if (avctx->bits_per_coded_sample == 16) avctx->sample_fmt = AV_SAMPLE_FMT_S16;