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authorMichael Niedermayer <michael@niedermayer.cc>2020-04-19 17:05:53 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2020-07-03 12:10:24 +0200
commitddaee77e3c4d07e2f1a242ddc6ea17760b4be9fa (patch)
treed3613cb7d3283b0079b5d05f232be882e3e5f734
parenta19dd37e2d3e26c0749fb12d24866a9c1ee6bbd2 (diff)
downloadffmpeg-ddaee77e3c4d07e2f1a242ddc6ea17760b4be9fa.tar.gz
avcodec/binkaudio: Fix 2Ghz sample_rate
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int' Fixes: 19950/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINKAUDIO_DCT_fuzzer-5765514337189888 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Suggested-by: Paul Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit f603d10b1e6bb2fbf4dcccc43d3ea2fb911b36ba) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/binkaudio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/binkaudio.c b/libavcodec/binkaudio.c
index fd56d17ca2..21145d4bbe 100644
--- a/libavcodec/binkaudio.c
+++ b/libavcodec/binkaudio.c
@@ -109,7 +109,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
s->frame_len = 1 << frame_len_bits;
s->overlap_len = s->frame_len / 16;
s->block_size = (s->frame_len - s->overlap_len) * s->channels;
- sample_rate_half = (sample_rate + 1) / 2;
+ sample_rate_half = (sample_rate + 1LL) / 2;
if (avctx->codec->id == AV_CODEC_ID_BINKAUDIO_RDFT)
s->root = 2.0 / (sqrt(s->frame_len) * 32768.0);
else