[FFmpeg-trac] #8331(avfilter:new): concat filter has possible overflow integer overflow on long output

FFmpeg trac at avcodec.org
Wed Oct 23 11:10:48 EEST 2019


#8331: concat filter has possible overflow integer overflow on long output
-------------------------------------+-------------------------------------
             Reporter:  YellowOnion  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avfilter     |                  Version:
                                     |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I get an error about invalid DTS after 36mins using concat filter where
 the DTS is a negative value very close to the previous DTS.

 This error happens on any file, and doesn't happen when I remove the
 concat filter.

 none of the TS flags or filters seem to help.

 "previous: 2147401, current: -2147484;" <- this looks like an integer
 overflow.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8331>
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