[FFmpeg-trac] #8122(undetermined:new): Multiple uninitialized use on stack in ffmpeg

FFmpeg trac at avcodec.org
Fri Sep 6 10:29:59 EEST 2019

#8122: Multiple uninitialized use on stack in ffmpeg
             Reporter:  bwang        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug: This bug involved multiple uninitialized use on stack.
 It is found in git commit: db92a3e4630f21535bc3410165edc626232a802a.

 How to reproduce: This bug can only be reproduced when ffmpeg is compiled
 using clang.
 % valgrind ./ffmpeg -threads 1 -i test.input -threads 1 -f null /dev/null


 PoC input and output of valgrind are attached.

Ticket URL: <https://trac.ffmpeg.org/ticket/8122>
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