[FFmpeg-trac] #8500(avfilter:new): find_rect crash

[FFmpeg]

#8500: find_rect crash
-----------------------------------+--------------------------------------
             Reporter:  mkoch      |                     Type:  defect
               Status:  new        |                 Priority:  normal
            Component:  avfilter   |                  Version:  git-master
             Keywords:  find_rect  |               Blocked By:
             Blocking:             |  Reproduced by developer:  0
Analyzed by developer:  0          |
-----------------------------------+--------------------------------------
 Summary of the bug:
 ffmpeg crashes when using find_rect

 How to reproduce:

 ffmpeg -i test1.png -vf find_rect=test2.pgm,cover_rect out.png

 Input files:
 http://www.astro-electronic.de/test1.png
 http://www.astro-electronic.de/test2.pgm


 Below is the console output:

 C:\Users\mKoch\Desktop>c:\ffmpeg\ffmpeg -i test1.png -vf
 find_rect=test2.pgm,cov
 er_rect out.png
 ffmpeg version git-2020-01-24-e931119 Copyright (c) 2000-2020 the FFmpeg
 develop
 ers
   built with gcc 9.2.1 (GCC) 20200122
   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
 fontconfi
 g --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d
 --enable-libb
 luray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb
 --enab
 le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
 libshine --e
 nable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame
 --enable
 -libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-
 libx265 -
 -enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp
 --enab
 le-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-
 libmysofa --en
 able-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-
 ffnvcode
 c --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-
 dxva2 -
 -enable-avisynth --enable-libopenmpt --enable-amf
   libavutil      56. 38.100 / 56. 38.100
   libavcodec     58. 66.100 / 58. 66.100
   libavformat    58. 35.104 / 58. 35.104
   libavdevice    58.  9.103 / 58.  9.103
   libavfilter     7. 71.100 /  7. 71.100
   libswscale      5.  6.100 /  5.  6.100
   libswresample   3.  6.100 /  3.  6.100
   libpostproc    55.  6.100 / 55.  6.100
 Input #0, png_pipe, from 'test1.png':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: png, pal8(pc), 323x300, 25 tbr, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (png (native) -> png (native))
 Press [q] to stop, [?] for help
 Assertion score != 0 failed at src/libavfilter/vf_find_rect.c:172

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8500>
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