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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-03-26 03:10:14 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-03-26 23:19:49 +0100 |
| commit | 6009dd07bd2bde72f2e01723678c1994ecef035e (patch) | |
| tree | 4e1673bcb3e5ba6328371e7c897e6643bed606c7 | |
| parent | ebdcf9849905fdd67dcd3ab93e55e47ded35fda2 (diff) | |
| download | ffmpeg-6009dd07bd2bde72f2e01723678c1994ecef035e.tar.gz | |
avcodec/wavarc: Avoid signed integer overflow in sample
Fixes: signed integer overflow: -2147483648 + -25122315 cannot be represented in type 'int'
Fixes: 62285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6199806972198912
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wavarc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c index 09ed4d473a..99cbaf0109 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -374,7 +374,7 @@ static int decode_2slp(AVCodecContext *avctx, for (int o = 0; o < order; o++) sum += s->filter[ch][o] * (unsigned)samples[n + 70 - o - 1]; - samples[n + 70] = get_srice(gb, k) + (sum >> 4); + samples[n + 70] = get_srice(gb, k) + (unsigned)(sum >> 4); } finished = 1; break; |