[FFmpeg-cvslog] avcodec/ffwavesynth: use uint32_t to compute difference, it is enough
ffmpeg | branch: release/4.1 | Michael Niedermayer | Fri Jun 21 22:43:23 2019 +0200| [074f40608e19ce7ce44c320dda87836806991d59] | committer: Michael Niedermayer avcodec/ffwavesynth: use uint32_t to compute difference, it is enough Fixes: signed integer overflow: 6494225984479297536 - -6043795377581187040 cannot be represented in type 'long' Fixes: 15285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5632780307791872 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit e9dd3c7126097d7c8d4f137db9957b81a219aa2c) Signed-off-by: Michael Niedermayer > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=074f40608e19ce7ce44c320dda87836806991d59 --- libavcodec/ffwavesynth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ffwavesynth.c b/libavcodec/ffwavesynth.c index b2cc7c8fc1..793eada7a5 100644 --- a/libavcodec/ffwavesynth.c +++ b/libavcodec/ffwavesynth.c @@ -215,7 +215,7 @@ static void wavesynth_seek(struct wavesynth_context *ws, int64_t ts) ws->next_inter = i; ws->next_ts = i < ws->nb_inter ? ws->inter[i].ts_start : INF_TS; *last = -1; -lcg_seek(>dither_state, ts - ws->cur_ts); +lcg_seek(>dither_state, (uint32_t)ts - ws->cur_ts); if (ws->pink_need) { int64_t pink_ts_cur = (ws->cur_ts + PINK_UNIT - 1) & ~(PINK_UNIT - 1); int64_t pink_ts_next = ts & ~(PINK_UNIT - 1); ___ 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".
[FFmpeg-cvslog] avcodec/ffwavesynth: use uint32_t to compute difference, it is enough
ffmpeg | branch: master | Michael Niedermayer | Fri Jun 21 22:43:23 2019 +0200| [e9dd3c7126097d7c8d4f137db9957b81a219aa2c] | committer: Michael Niedermayer avcodec/ffwavesynth: use uint32_t to compute difference, it is enough Fixes: signed integer overflow: 6494225984479297536 - -6043795377581187040 cannot be represented in type 'long' Fixes: 15285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5632780307791872 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e9dd3c7126097d7c8d4f137db9957b81a219aa2c --- libavcodec/ffwavesynth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ffwavesynth.c b/libavcodec/ffwavesynth.c index b2cc7c8fc1..793eada7a5 100644 --- a/libavcodec/ffwavesynth.c +++ b/libavcodec/ffwavesynth.c @@ -215,7 +215,7 @@ static void wavesynth_seek(struct wavesynth_context *ws, int64_t ts) ws->next_inter = i; ws->next_ts = i < ws->nb_inter ? ws->inter[i].ts_start : INF_TS; *last = -1; -lcg_seek(>dither_state, ts - ws->cur_ts); +lcg_seek(>dither_state, (uint32_t)ts - ws->cur_ts); if (ws->pink_need) { int64_t pink_ts_cur = (ws->cur_ts + PINK_UNIT - 1) & ~(PINK_UNIT - 1); int64_t pink_ts_next = ts & ~(PINK_UNIT - 1); ___ 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".