From 831a251ac6d096d20967990e92fd8b2874f92e3f Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 18 Sep 2022 18:12:11 +0200 Subject: avformat/spdifdec: Use 64bit to compute bit rate Fixes: signed integer overflow: 32 * 553590816 cannot be represented in type 'int' Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-6564974517944320 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 4075f0cec1830a7ac081b1a23bd3f5c4e266fe26) Signed-off-by: Michael Niedermayer --- libavformat/spdifdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/spdifdec.c b/libavformat/spdifdec.c index e39a304247..58d88d2862 100644 --- a/libavformat/spdifdec.c +++ b/libavformat/spdifdec.c @@ -226,7 +226,7 @@ int ff_spdif_read_packet(AVFormatContext *s, AVPacket *pkt) if (!s->bit_rate && s->streams[0]->codecpar->sample_rate) /* stream bitrate matches 16-bit stereo PCM bitrate for currently supported codecs */ - s->bit_rate = 2 * 16 * s->streams[0]->codecpar->sample_rate; + s->bit_rate = 2 * 16LL * s->streams[0]->codecpar->sample_rate; return 0; } -- cgit v1.2.1