summaryrefslogtreecommitdiff
path: root/libavcodec/ffwavesynth.c
diff options
context:
space:
mode:
authorMichael Niedermayer <michael@niedermayer.cc>2019-09-05 20:47:04 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2019-09-24 17:53:39 +0200
commitc7ccbf40edb81d40727cca3a7ffd1848d3ed880a (patch)
treeb0bb48cb055d5e6c35e48bea7a61bed4db8116eb /libavcodec/ffwavesynth.c
parent27a2f65948105931fac95734dfd7336897c3f544 (diff)
downloadffmpeg-c7ccbf40edb81d40727cca3a7ffd1848d3ed880a.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>
Diffstat (limited to 'libavcodec/ffwavesynth.c')
-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;