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authorMichael Niedermayer <michael@niedermayer.cc>2022-09-18 18:12:11 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2022-10-09 21:33:11 +0200
commit674f7c87c90da33b49ac6cd594cdefc453d65ce1 (patch)
tree14f8d170ca520abe8f4439a9e772f90d8602c469
parent619612ac014e6ee2c3dc708760ba056ac563db56 (diff)
downloadffmpeg-674f7c87c90da33b49ac6cd594cdefc453d65ce1.tar.gz
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 <michael@niedermayer.cc> (cherry picked from commit 4075f0cec1830a7ac081b1a23bd3f5c4e266fe26) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavformat/spdifdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/spdifdec.c b/libavformat/spdifdec.c
index d74f58d82b..8c1a7c87e6 100644
--- a/libavformat/spdifdec.c
+++ b/libavformat/spdifdec.c
@@ -229,7 +229,7 @@ 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;
}