[FFmpeg-trac] #7698(undetermined:new): Segmentation fault while using silenceremove filter

[FFmpeg]

#7698: Segmentation fault while using silenceremove filter
--------------------------------------+----------------------------------
             Reporter:  kdbeall       |                     Type:  defect
               Status:  new           |                 Priority:  normal
            Component:  undetermined  |                  Version:  3.4
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
--------------------------------------+----------------------------------
 I suspect this is due to passing a negative value to stop_duration.

 ffmpeg version:

 ffmpeg version 3.4.4-0ubuntu0.18.04.1 Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
   configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping
 --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libflite --enable-libfontconfig --enable-
 libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-
 libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
 --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg
 --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
 --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265
 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-
 libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint
 --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
   libavutil      55. 78.100 / 55. 78.100
   libavcodec     57.107.100 / 57.107.100
   libavformat    57. 83.100 / 57. 83.100
   libavdevice    57. 10.100 / 57. 10.100
   libavfilter     6.107.100 /  6.107.100
   libavresample   3.  7.  0 /  3.  7.  0
   libswscale      4.  8.100 /  4.  8.100
   libswresample   2.  9.100 /  2.  9.100
   libpostproc    54.  7.100 / 54.  7.100



 Reproduction steps:

 curl -O
 https://upload.wikimedia.org/wikipedia/commons/5/5d/01_Who_sings_of_England.ogg
 && ffmpeg -i 01_Who_sings_of_England.ogg -af
 silenceremove="stop_periods=1:stop_duration=-1" out.mp3

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7698>
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