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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-04-04 00:15:27 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-04-04 19:38:28 +0200 |
| commit | 28c7094b25b689185155a6833caf2747b94774a4 (patch) | |
| tree | 84c256288a0d80efaaae54ca7d1654322b9fc23d | |
| parent | 3db674614d52577dc844df34d11e7aa617923ae6 (diff) | |
avcodec/wavarc: fix signed integer overflow in block type 6/19
Fixes: signed integer overflow: -2088796289 + -91276551 cannot be represented in type 'int'
Fixes: 67772/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6533568953122816
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 7083494cd8..b4b26958e6 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -647,7 +647,7 @@ static int decode_5elp(AVCodecContext *avctx, for (int o = 0; o < order; o++) sum += s->filter[ch][o] * (unsigned)samples[n + 70 - o - 1]; - samples[n + 70] += ac_out[n] + (sum >> 4); + samples[n + 70] += ac_out[n] + (unsigned)(sum >> 4); } for (int n = 0; n < 70; n++) |