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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-09-05 20:47:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-06 20:30:57 +0100 |
| commit | 40d3103d36e40a34a6cf0197cfd047dfe6221376 (patch) | |
| tree | 127db23159e67f0e1e7849853a10ca374e1f7125 /libavcodec | |
| parent | 0e406d20081630a6ddcfc9c459d3c5e59095bec7 (diff) | |
| download | ffmpeg-40d3103d36e40a34a6cf0197cfd047dfe6221376.tar.gz | |
avcodec/ffwavesynth: Fix integer overflow in timestamps
Fixes: signed integer overflow: 9223371075321077760 * 2 cannot be represented in type 'long'
Fixes: 16447/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5698937431785472
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 c7ccbf40edb81d40727cca3a7ffd1848d3ed880a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/ffwavesynth.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ffwavesynth.c b/libavcodec/ffwavesynth.c index cfd0951d8f..6736587e32 100644 --- a/libavcodec/ffwavesynth.c +++ b/libavcodec/ffwavesynth.c @@ -220,7 +220,7 @@ static void wavesynth_seek(struct wavesynth_context *ws, int64_t ts) int64_t pink_ts_cur = (ws->cur_ts + PINK_UNIT - 1) & ~(PINK_UNIT - 1); int64_t pink_ts_next = ts & ~(PINK_UNIT - 1); int pos = ts & (PINK_UNIT - 1); - lcg_seek(&ws->pink_state, (pink_ts_next - pink_ts_cur) * 2); + lcg_seek(&ws->pink_state, (uint32_t)(pink_ts_next - pink_ts_cur) * 2); if (pos) { pink_fill(ws); ws->pink_pos = pos; |