[FFmpeg-trac] #8152(undetermined:new): signed integer overflow in libavformat/flvenc.c

[FFmpeg]

#8152: signed integer overflow in libavformat/flvenc.c
-------------------------------------+-------------------------------------
             Reporter:  Suhwan       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 There're a signed integer overflow in libavformat/flvenc.c
 {{{
 libavformat/flvenc.c:1043:36: runtime error: signed integer overflow:
 -9223372036854775808 - 130 cannot be represented in type 'long'
 }}}
 How to reproduce:
 {{{
 % ./ffmpeg_g -loglevel 99 -y -r 11 -i CAFI1_SVA_C.264 -map 0 -c copy -r 74
 -ab 123k -ar 48000 -ac 12 -b:v 433k -strict 1 output/tmp.flv

 ffmpeg version N-94887-ge55018ee11 (git master)
 built on ubuntu 18.04 with clang-6 and UBSAN option.
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/8152>
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