#0  0x00007f8248240564 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f8248afb6dc in ReadBlob () from /usr/lib/x86_64-linux-gnu/libMagickCore-6.Q16.so.3
No symbol table info available.
#2  0x00007f824457d44e in ?? () from /usr/lib/x86_64-linux-gnu/ImageMagick-6.9.7/modules-Q16/coders/png.so
No symbol table info available.
#3  0x00007f8245959b29 in ?? () from /usr/lib/x86_64-linux-gnu/libpng16.so.16
No symbol table info available.
#4  0x00007f824595e393 in ?? () from /usr/lib/x86_64-linux-gnu/libpng16.so.16
No symbol table info available.
#5  0x00007f8245950b13 in png_read_row () from /usr/lib/x86_64-linux-gnu/libpng16.so.16
No symbol table info available.
#6  0x00007f824458f8ef in ?? () from /usr/lib/x86_64-linux-gnu/ImageMagick-6.9.7/modules-Q16/coders/png.so
No symbol table info available.
#7  0x00007f8244590506 in ?? () from /usr/lib/x86_64-linux-gnu/ImageMagick-6.9.7/modules-Q16/coders/png.so
No symbol table info available.
#8  0x00007f8248b3380f in ReadImage () from /usr/lib/x86_64-linux-gnu/libMagickCore-6.Q16.so.3
No symbol table info available.
#9  0x00007f8248b3495b in ReadImages () from /usr/lib/x86_64-linux-gnu/libMagickCore-6.Q16.so.3
No symbol table info available.
#10 0x00007f82487c5187 in CompositeImageCommand () from /usr/lib/x86_64-linux-gnu/libMagickWand-6.Q16.so.3
No symbol table info available.
#11 0x00007f824883cc24 in MagickCommandGenesis () from /usr/lib/x86_64-linux-gnu/libMagickWand-6.Q16.so.3
No symbol table info available.
#12 0x0000559b652c3909 in ?? ()
No symbol table info available.
#13 0x00007f82481a6b97 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#14 0x0000559b652c396a in ?? ()
No symbol table info available.