Fixes: signed integer overflow: 9223371898743775808 - -138111000000 cannot be represented in type 'long' Fixes: 46245/clusterfuzz-testcase-minimized-ffmpeg_dem_OGG_fuzzer-5075129786302464
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/demux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/demux.c b/libavformat/demux.c index ef189d9d8e..ad7b5dbf83 100644 --- a/libavformat/demux.c +++ b/libavformat/demux.c @@ -1612,7 +1612,7 @@ static void update_stream_timings(AVFormatContext *ic) else if (end_time < end_time_text) av_log(ic, AV_LOG_VERBOSE, "Ignoring outlier non primary stream endtime %f\n", end_time_text / (float)AV_TIME_BASE); - if (duration == INT64_MIN || (duration < duration_text && duration_text - duration < AV_TIME_BASE)) + if (duration == INT64_MIN || (duration < duration_text && (uint64_t)duration_text - duration < AV_TIME_BASE)) duration = duration_text; else if (duration < duration_text) av_log(ic, AV_LOG_VERBOSE, "Ignoring outlier non primary stream duration %f\n", duration_text / (float)AV_TIME_BASE); -- 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".
