[FFmpeg-trac] #8532(swscale:new): crash abort swscale

[FFmpeg]

#8532: crash abort swscale
---------------------------------+--------------------------------------
             Reporter:  mkoch    |                     Type:  defect
               Status:  new      |                 Priority:  normal
            Component:  swscale  |                  Version:  git-master
             Keywords:           |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
---------------------------------+--------------------------------------
 Summary of the bug:
 crash abort in third command line

 How to reproduce:
 c:\ffmpeg\ffmpeg -f lavfi -i nullsrc=size=20x20 -vf
 format=pix_fmts=gray16le,geq='if(bitand(eq(X,1),eq(Y,1)),65535,X)' -frames
 1 -y xmap.pgm
 c:\ffmpeg\ffmpeg -f lavfi -i nullsrc=size=20x20 -vf
 format=pix_fmts=gray16le,geq='if(bitand(eq(X,1),eq(Y,1)),65535,Y)' -frames
 1 -y ymap.pgm
 c:\ffmpeg\ffmpeg -f lavfi -i color=blue:size=20x20 -i xmap.pgm -i ymap.pgm
 -lavfi "format=pix_fmts=rgb24,remap=fill=red" -frames 1 -y out.png

 {{{
 F:\Wormhole_2020>c:\ffmpeg\ffmpeg -f lavfi -i color=blue:size=20x20 -i
 xmap.pgm
 -i ymap.pgm -lavfi "format=pix_fmts=rgb24,remap=fill=red" -frames 1 -y
 out.png
 ffmpeg version git-2020-02-18-ebee808 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. 41.100 / 56. 41.100
   libavcodec     58. 70.100 / 58. 70.100
   libavformat    58. 38.101 / 58. 38.101
   libavdevice    58.  9.103 / 58.  9.103
   libavfilter     7. 76.100 /  7. 76.100
   libswscale      5.  6.100 /  5.  6.100
   libswresample   3.  6.100 /  3.  6.100
   libpostproc    55.  6.100 / 55.  6.100
 Input #0, lavfi, from 'color=blue:size=20x20':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 20x20 [SAR
 1:1 DA
 R 1:1], 25 tbr, 25 tbn, 25 tbc
 Input #1, pgm_pipe, from 'xmap.pgm':
   Duration: N/A, bitrate: N/A
     Stream #1:0: Video: pgm, gray16le, 20x20, 25 tbr, 25 tbn, 25 tbc
 Input #2, pgm_pipe, from 'ymap.pgm':
   Duration: N/A, bitrate: N/A
     Stream #2:0: Video: pgm, gray16le, 20x20, 25 tbr, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 (rawvideo) -> format
   Stream #1:0 (pgm) -> remap:xmap
   Stream #2:0 (pgm) -> remap:ymap
   remap -> Stream #0:0 (png)
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8532>
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