Comment # 31 on bug 1109976 from Petr Gajdos

And similar backtrace can be observed also with:

$ convert logo: -stroke 'rgb(1, 2, 3)' -annotate 0 'Text' out.png
Aborted (core dumped)
$

(gdb) bt
#0  TracePath (exception=0x55555575eb30, 
    path=0x5555557dbcf0 "M12.1406,-3.17188C12.1406,-4.14062 12.0781,-4.76562
11.8906,-5.28125C11.4844,-6.375 10.5312,-7 9.34375,-7C7.59375,-7
6.46875,-5.60938 6.46875,-3.42188C6.46875,-1.28125 7.5625,0 9.32812,0C10.7656,0
11."..., mvg_info=0x7fffffff12d0) at MagickCore/draw.c:6522
#1  DrawImage (image=image@entry=0x5555557c18c0,
draw_info=draw_info@entry=0x555555819c40,
exception=exception@entry=0x55555575eb30) at MagickCore/draw.c:4040
#2  0x00007ffff79730a3 in RenderFreetype (image=image@entry=0x5555557c18c0,
draw_info=draw_info@entry=0x555555779730, encoding=<optimized out>,
offset=offset@entry=0x7fffffff8720, 
    metrics=metrics@entry=0x7fffffff8780,
exception=exception@entry=0x55555575eb30) at MagickCore/annotate.c:1799
#3  0x00007ffff79734ae in RenderType (image=image@entry=0x5555557c18c0,
draw_info=draw_info@entry=0x555555777e30, offset=offset@entry=0x7fffffff8720, 
    metrics=metrics@entry=0x7fffffff8780,
exception=exception@entry=0x55555575eb30) at MagickCore/annotate.c:1076
#4  0x00007ffff79748a4 in AnnotateImage (image=0x5555557c18c0,
draw_info=draw_info@entry=0x55555577b5d0,
exception=exception@entry=0x55555575eb30) at MagickCore/annotate.c:533
#5  0x00007ffff76ae8b2 in MogrifyImage
(image_info=image_info@entry=0x555555763880, argc=argc@entry=6,
argv=argv@entry=0x55555575d6f8, image=image@entry=0x7fffffffabb8, 
    exception=exception@entry=0x55555575eb30) at MagickWand/mogrify.c:856
#6  0x00007ffff76b3ea1 in MogrifyImages (image_info=0x555555763880,
post=post@entry=MagickTrue, argc=6, argv=0x55555575d6f8,
images=images@entry=0x7fffffffabb8, 
    exception=exception@entry=0x55555575eb30) at MagickWand/mogrify.c:8901
#7  0x00007ffff7646082 in ConvertImageCommand (image_info=0x555555763880,
image_info@entry=0x55555575ed70, argc=<optimized out>, argc@entry=8,
argv=<optimized out>, 
    argv@entry=0x7fffffffe788, metadata=metadata@entry=0x7fffffffc468,
exception=exception@entry=0x55555575eb30) at MagickWand/convert.c:3273
#8  0x00007ffff76aab55 in MagickCommandGenesis (image_info=0x55555575ed70,
command=0x7ffff7643f80 <ConvertImageCommand>, argc=8, argv=0x7fffffffe788,
metadata=0x0, 
    exception=0x55555575eb30) at MagickWand/mogrify.c:183
#9  0x0000555555555380 in MagickMain (argc=8, argv=0x7fffffffe788) at
utilities/magick.c:149
#10 0x00007ffff704bf4a in __libc_start_main () from /lib64/libc.so.6
#11 0x000055555555514a in _start () at ../sysdeps/x86_64/start.S:120
(gdb)

Now it seems to be completely ImageMagick issue, removing Johannes and
Christian from CC and removing needinfo on Ludwig (even if it is interesting
that we had not discovered it sooner).