From a4bf559683a999c8faa408fdd8f29bd28a6a47ea Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 18 Jun 2023 21:00:03 +0200 Subject: [PATCH] avcodec/utils: fix 2 integer overflows in get_audio_frame_duration() Fixes: signed integer overflow: 256 * 668003712 cannot be represented in type 'int' Fixes: 59819/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-4674636538052608 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/utils.c b/libavcodec/utils.c index a8514ba6c1..672eb15d98 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -641,9 +641,9 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba, if (sr > 0) { /* calc from sample rate */ if (id == AV_CODEC_ID_TTA) - return 256 * sr / 245; + return 256ll * sr / 245; else if (id == AV_CODEC_ID_DST) - return 588 * sr / 44100; + return 588ll * sr / 44100; else if (id == AV_CODEC_ID_BINKAUDIO_DCT) { if (sr / 22050 > 22) return 0;