Fixes: signed integer overflow: -9223372036854775808 + -5279949906739200 cannot be represented in type 'long' Fixes: 26908/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-6329610851319808
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/sbgdec.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/sbgdec.c b/libavformat/sbgdec.c index 4d6ae7abc5..f56eb9ff59 100644 --- a/libavformat/sbgdec.c +++ b/libavformat/sbgdec.c @@ -1416,6 +1416,11 @@ static av_cold int sbg_read_header(AVFormatContext *avf) if (r < 0) goto fail; + if (script.end_ts != AV_NOPTS_VALUE && script.end_ts < script.start_ts) { + r = AVERROR_INVALIDDATA; + goto fail; + } + st = avformat_new_stream(avf, NULL); if (!st) return AVERROR(ENOMEM); -- 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".
