Steps to reproduce:
1. This was reported against GNU libextractor in our bugtracking system
2. https://gnunet.org/mantis/view.php?id=1241
3. 


Stack trace:
open("/usr/lib/libextractor/libextractor_nsf.la", O_RDONLY) = 3
 fstat64(3, {st_mode=S_IFREG|0644, st_size=990, ...}) = 0
 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7aba000
 read(3, "# libextractor_nsf.la - a libtoo"..., 4096) = 990
 read(3, "", 4096) = 0
 close(3) = 0
 munmap(0xb7aba000, 4096) = 0
 open("/usr/lib/libextractor/libextractor_nsf.so", O_RDONLY) = 3
 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360\3\0"..., 512) = 512
 fstat64(3, {st_mode=S_IFREG|0644, st_size=3832, ...}) = 0
 mmap2(NULL, 6800, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7893000
 mmap2(0xb7894000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0) = 0xb7894000
 close(3) = 0
 stat64("/usr/share/doc/texlive-pstricks/generic/pstricks/voss/bsp02.pdf", {st_mode=S_IFREG|0644, st_size=19797, ...}) = 0
 open("/usr/share/doc/texlive-pstricks/generic/pstricks/voss/bsp02.pdf", O_RDONLY|O_LARGEFILE) = 3
 mmap2(NULL, 19797, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb788e000
 open("/usr/lib/charset.alias", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
 write(2, "\n** (process:5114): CRITICAL **:"..., 106
 ** (process:5114): CRITICAL **: gsf_input_memory_get_type: assertion `gsf_input_memory_type != 0' failed
 ) = 106
 write(2, "\n(process:5114): GLib-GObject-CR"..., 107
 (process:5114): GLib-GObject-CRITICAL **: g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed
 ) = 107
 write(2, "\n** (process:5114): CRITICAL **:"..., 108
 ** (process:5114): CRITICAL **: gsf_shared_memory_get_type: assertion `gsf_shared_memory_type != 0' failed
 ) = 108
 write(2, "\n(process:5114): GLib-GObject-CR"..., 107
 (process:5114): GLib-GObject-CRITICAL **: g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed
 ) = 107
 --- SIGSEGV (Segmentation fault) @ 0 (0) ---
 +++ killed by SIGSEGV +++
 Process 5114 detached 

Other information:
You can probably ask the reporter on the GNUnet mantis system for more information.