(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007fe4d9d4555b in __GI_abort () at abort.c:79
#2  0x00007fe4d9d9e038 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fe4d9eaaf3e "%s\n")
    at ../sysdeps/posix/libc_fatal.c:181
#3  0x00007fe4d9da53da in malloc_printerr (str=str@entry=0x7fe4d9ea90e0 "free(): invalid pointer")
    at malloc.c:5339
#4  0x00007fe4d9da6dcc in _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:4173
#5  0x00007fe4d60805d4 in ?? () from /usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.7.0/libfacter.so
#6  0x00007fe4d6080bd8 in facter::facts::collection::add_external_facts(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&) () from /usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.7.0/libfacter.so
#7  0x00007fe4d60f9c57 in facter::ruby::module::facts() ()
   from /usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.7.0/libfacter.so
#8  0x00007fe4d60fec30 in facter::ruby::module::load_fact(unsigned long) ()
   from /usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.7.0/libfacter.so
#9  0x00007fe4d60fef43 in facter::ruby::module::fact_value(unsigned long) ()
   from /usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.7.0/libfacter.so
#10 0x00007fe4d60ff003 in ?? () from /usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.7.0/libfacter.so
#11 0x00007fe4d60ff2ce in facter::ruby::module::ruby_value(unsigned long, unsigned long) ()
   from /usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.7.0/libfacter.so
#12 0x00007fe4da0f7152 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#13 0x00007fe4da1038bb in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#14 0x00007fe4da0ea696 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#15 0x00007fe4da0fb102 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#16 0x00007fe4da1013ac in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#17 0x00007fe4da104b4b in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#18 0x00007fe4d9f98e41 in rb_vrescue2 () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#19 0x00007fe4d9f9903a in rb_rescue2 () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#20 0x00007fe4da0f7152 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#21 0x00007fe4da1038bb in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#22 0x00007fe4da0ea696 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#23 0x00007fe4da0fb16d in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#24 0x00007fe4da1013ac in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#25 0x00007fe4d9fddde7 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#26 0x00007fe4d9fdf373 in rb_require_string () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#27 0x00007fe4da0f7152 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#28 0x00007fe4da0ea696 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#29 0x00007fe4da0fb102 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#30 0x00007fe4da1013ac in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#31 0x00007fe4d9fddde7 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#32 0x00007fe4d9fdf373 in rb_require_string () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#33 0x00007fe4da0f7152 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#34 0x00007fe4da0ea696 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#35 0x00007fe4da0fb102 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#36 0x00007fe4da1013ac in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#37 0x00007fe4d9fddde7 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#38 0x00007fe4d9fdf373 in rb_require_string () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#39 0x00007fe4da0f7152 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#40 0x00007fe4da1038bb in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#41 0x00007fe4da0ea696 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#42 0x00007fe4da0fb102 in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#43 0x00007fe4da1013ac in rb_vm_exec () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#44 0x00007fe4d9f961fa in ?? () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#45 0x00007fe4d9f9adea in ruby_run_node () from /lib/x86_64-linux-gnu/libruby-2.7.so.2.7
#46 0x0000562869a4010b in ?? ()
#47 0x00007fe4d9d46e0b in __libc_start_main (main=0x562869a400b0, argc=8, argv=0x7ffcac8c8c18, 
    init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcac8c8c08)
    at ../csu/libc-start.c:308
#48 0x0000562869a4015a in _start ()