[FFmpeg-trac] #8170(undetermined:new): Division by zero at libavutil/rational.h:105

[FFmpeg]

#8170: Division by zero at libavutil/rational.h:105
-------------------------------------+-------------------------------------
             Reporter:  Suhwan       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  ubsan        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 There is division by zero at libavutil/rational.h:105
 How to reproduce:
 {{{
 % ./ffmpeg_g -t 2 -stream_loop 23 -y -r 96 -i
 c-m2-a46ce91d8975a017917156b8824f936e.png -loglevel 99 -map 0 -c copy
 -vframes 4 -aframes 86 -ab 516k -ac 4 -b:v 599k tmp.avi

 ffmpeg version N-94957-g65589ad553 Copyright (c) 2000-2019 the FFmpeg
 developers
   built with clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
   configuration: --cc=clang --cxx=clang++ --ld=clang --enable-debug
 --toolchain=clang-usan
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8170>
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