Werner LEMBERG wrote Sunday, April 03, 2011 7:16 AM
(lily segfaults all the time when I accidentally feed her a PDF
file
instead of a .ly file, but I don't consider this to be a bug)
I do. Any user program *must not* produce a segfault IMHO if fed
with
user data, regardless of its origin.
+1
While developing FreeType, various people (including myself) used
fuzzers to create invalid fonts which are then read by FreeType.
This
led to the discovery of a few dozen bugs...
Perhaps something similar can be done for LilyPond also. You
might
have a look at the `ftrandom' utility program in the source code
of
FreeType; it should be rather straightforward to adapt it.
This or some alternative sounds like a fun project for 2.15.
Trevor
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