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 <mich...@niedermayer.cc> --- 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; } -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
