ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Sun Jul 19 16:54:28 2020 +0200| [aa8935b395162f8438d1f055e671e92685ed1586] | committer: Michael Niedermayer
avformat/cdg: Fix integer overflow in duration computation Fixes: signed integer overflow: 8398407 * 300 cannot be represented in type 'int' Fixes: 23914/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4702539290509312 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=aa8935b395162f8438d1f055e671e92685ed1586 --- libavformat/cdg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/cdg.c b/libavformat/cdg.c index 05cac6e528..f933819d57 100644 --- a/libavformat/cdg.c +++ b/libavformat/cdg.c @@ -49,7 +49,7 @@ static int read_header(AVFormatContext *s) if (ret < 0) { av_log(s, AV_LOG_WARNING, "Cannot calculate duration as file size cannot be determined\n"); } else - vst->duration = (ret * vst->time_base.den) / (CDG_PACKET_SIZE * 300); + vst->duration = (ret * (int64_t)vst->time_base.den) / (CDG_PACKET_SIZE * 300); return 0; } _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
