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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-09-05 20:47:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-01-06 11:30:43 +0100 |
| commit | 718eab17338abdc8d75d6274998a0960527b4b05 (patch) | |
| tree | a3138cdb19b899786df13676094f601ee4cf8b83 | |
| parent | 07b6caa309be5a74b18fbf3723a3c54a246fbd07 (diff) | |
| download | ffmpeg-718eab17338abdc8d75d6274998a0960527b4b05.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>
| -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; |