ffmpeg | branch: release/5.1 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Feb 25 23:11:40 2024 +0100| [343757e6928a9884294e145d618faca5dc545bfe] | committer: Michael Niedermayer
avformat/concatdec: Check in and outpoints to be to produce a positive representable duration Fixes: signed integer overflow: -93000000 - 9223372036839000000 cannot be represented in type 'long' Fixes: 64546/clusterfuzz-testcase-minimized-ffmpeg_dem_CONCAT_fuzzer-5110813828186112 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit b2d7cbc378fa276d62fd676c037b9df59fc319a0) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=343757e6928a9884294e145d618faca5dc545bfe --- libavformat/concatdec.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavformat/concatdec.c b/libavformat/concatdec.c index 806b570cdf..8bd0c5c5af 100644 --- a/libavformat/concatdec.c +++ b/libavformat/concatdec.c @@ -637,6 +637,12 @@ static int concat_parse_script(AVFormatContext *avf) } } + if (file->inpoint != AV_NOPTS_VALUE && file->outpoint != AV_NOPTS_VALUE) { + if (file->inpoint > file->outpoint || + file->outpoint - (uint64_t)file->inpoint > INT64_MAX) + ret = AVERROR_INVALIDDATA; + } + fail: for (arg = 0; arg < MAX_ARGS; arg++) av_freep(&arg_str[arg]); _______________________________________________ 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".
