ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Jan 17 23:42:08 2020 +0100| [834c9968a0c2ea47781c251af07846902ec1c491] | committer: Michael Niedermayer
avcodec/ffwavesynth: Correct undefined overflow of PINK_UNIT Fixes: signed integer overflow: 9223372036854775775 + 128 cannot be represented in type 'long' Fixes: 20054/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5686385113825280 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 187161d62f35c8b613c4a6739b0a6dfa9a24da60) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=834c9968a0c2ea47781c251af07846902ec1c491 --- libavcodec/ffwavesynth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ffwavesynth.c b/libavcodec/ffwavesynth.c index 998e1a4ad6..a446aa2fdf 100644 --- a/libavcodec/ffwavesynth.c +++ b/libavcodec/ffwavesynth.c @@ -217,7 +217,7 @@ static void wavesynth_seek(struct wavesynth_context *ws, int64_t ts) *last = -1; lcg_seek(&ws->dither_state, (uint32_t)ts - (uint32_t)ws->cur_ts); if (ws->pink_need) { - uint64_t pink_ts_cur = (ws->cur_ts + PINK_UNIT - 1) & ~(PINK_UNIT - 1); + uint64_t pink_ts_cur = (ws->cur_ts + (uint64_t)PINK_UNIT - 1) & ~(PINK_UNIT - 1); uint64_t pink_ts_next = ts & ~(PINK_UNIT - 1); int pos = ts & (PINK_UNIT - 1); lcg_seek(&ws->pink_state, (uint32_t)(pink_ts_next - pink_ts_cur) * 2); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
