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authorMichael Niedermayer <[email protected]>2019-09-05 20:47:04 +0200
committerMichael Niedermayer <[email protected]>2019-12-31 19:51:55 +0100
commit8eb6296172d83a3068619c19fe52f900bef83656 (patch)
treec57ffc6b0cd96c7f15491f70a770cf1f041b1dab
parentc7d53daf9a1bb231414ee9162cba1c8a3112afc1 (diff)
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 <[email protected]> (cherry picked from commit c7ccbf40edb81d40727cca3a7ffd1848d3ed880a) Signed-off-by: Michael Niedermayer <[email protected]>
-rw-r--r--libavcodec/ffwavesynth.c2
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;