bash-4.3$ irb
irb(main):001:0> require 'stringio'
=> true
irb(main):002:0> require 'bson'
=> true
irb(main):003:0> a = StringIO.new 1.to_bson
=> #<StringIO:0x007f822ba20cb0>
irb(main):004:0> BSON::Int32.from_bson a
=> 1
irb(main):005:0> BSON::Int64.from_bson a
/usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/int64.rb:45: [BUG] Segmentation fault at 0x00000000000009
ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-darwin14]

-- Crash Report log information --------------------------------------------
   See Crash Report log file under the one of following:
     * ~/Library/Logs/CrashReporter
     * /Library/Logs/CrashReporter
     * ~/Library/Logs/DiagnosticReports
     * /Library/Logs/DiagnosticReports
   for more details.

-- Control frame information -----------------------------------------------
c:0020 p:---- s:0080 e:000079 CFUNC  :from_bson_int64
c:0019 p:0013 s:0076 e:000075 METHOD /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/int64.rb:45
c:0018 p:0015 s:0072 e:000071 EVAL   (irb):5 [FINISH]
c:0017 p:---- s:0070 e:000069 CFUNC  :eval
c:0016 p:0024 s:0063 e:000062 METHOD /usr/local/lib/ruby/2.2.0/irb/workspace.rb:86
c:0015 p:0025 s:0056 e:000054 METHOD /usr/local/lib/ruby/2.2.0/irb/context.rb:379
c:0014 p:0022 s:0050 e:000049 BLOCK  /usr/local/lib/ruby/2.2.0/irb.rb:489
c:0013 p:0040 s:0042 e:000041 METHOD /usr/local/lib/ruby/2.2.0/irb.rb:623
c:0012 p:0009 s:0037 e:000036 BLOCK  /usr/local/lib/ruby/2.2.0/irb.rb:486
c:0011 p:0118 s:0033 e:000032 BLOCK  /usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:245 [FINISH]
c:0010 p:---- s:0030 e:000029 CFUNC  :loop
c:0009 p:0007 s:0027 e:000026 BLOCK  /usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:231 [FINISH]
c:0008 p:---- s:0025 e:000024 CFUNC  :catch
c:0007 p:0015 s:0021 e:000020 METHOD /usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:230
c:0006 p:0030 s:0018 E:000770 METHOD /usr/local/lib/ruby/2.2.0/irb.rb:485
c:0005 p:0008 s:0015 e:000014 BLOCK  /usr/local/lib/ruby/2.2.0/irb.rb:395 [FINISH]
c:0004 p:---- s:0013 e:000012 CFUNC  :catch
c:0003 p:0143 s:0009 E:000430 METHOD /usr/local/lib/ruby/2.2.0/irb.rb:394
c:0002 p:0021 s:0004 E:001470 EVAL   /usr/local/bin/irb:11 [FINISH]
c:0001 p:0000 s:0002 E:001670 TOP    [FINISH]

-- Ruby level backtrace information ----------------------------------------
/usr/local/bin/irb:11:in `<main>'
/usr/local/lib/ruby/2.2.0/irb.rb:394:in `start'
/usr/local/lib/ruby/2.2.0/irb.rb:394:in `catch'
/usr/local/lib/ruby/2.2.0/irb.rb:395:in `block in start'
/usr/local/lib/ruby/2.2.0/irb.rb:485:in `eval_input'
/usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:230:in `each_top_level_statement'
/usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:230:in `catch'
/usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:231:in `block in each_top_level_statement'
/usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:231:in `loop'
/usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb:245:in `block (2 levels) in each_top_level_statement'
/usr/local/lib/ruby/2.2.0/irb.rb:486:in `block in eval_input'
/usr/local/lib/ruby/2.2.0/irb.rb:623:in `signal_status'
/usr/local/lib/ruby/2.2.0/irb.rb:489:in `block (2 levels) in eval_input'
/usr/local/lib/ruby/2.2.0/irb/context.rb:379:in `evaluate'
/usr/local/lib/ruby/2.2.0/irb/workspace.rb:86:in `evaluate'
/usr/local/lib/ruby/2.2.0/irb/workspace.rb:86:in `eval'
(irb):5:in `irb_binding'
/usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/int64.rb:45:in `from_bson'
/usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/int64.rb:45:in `from_bson_int64'

-- Machine register context ------------------------------------------------
 rax: 0x0000000000000000 rbx: 0x00007f822d980b00 rcx: 0x0000000000000008
 rdx: 0x00000001006bf540 rdi: 0x00007f822b832750 rsi: 0x0000000000000008
 rbp: 0x00007fff5fa81a90 rsp: 0x00007fff5fa81a90  r8: 0x00000000000024bc
  r9: 0x00007f822b8ed000 r10: 0x0000000000000001 r11: 0x00007f822b5e1460
 r12: 0x0000000100598a10 r13: 0x0000000100598a10 r14: 0x00007f822b408e80
 r15: 0x00007f822b408e80 rip: 0x00000001006bf544 rfl: 0x0000000000010246

-- C level backtrace information -------------------------------------------
0   ruby                                0x000000010031b805 rb_vm_bugreport + 149
1   ruby                                0x00000001001beab9 rb_bug_context + 473
2   ruby                                0x0000000100295fe3 sigsegv + 83
3   libsystem_platform.dylib            0x00007fff9419af1a _sigtramp + 26
4   native.bundle                       0x00000001006bf544 rb_integer_from_bson_int64 + 4
5   ???                                 0x00007fff5fa81b60 0x0 + 140734798240608

-- Other runtime information -----------------------------------------------

* Loaded script: irb

* Loaded features:

    0 enumerator.so
    1 rational.so
    2 complex.so
    3 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/enc/encdb.bundle
    4 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/enc/trans/transdb.bundle
    5 /usr/local/lib/ruby/2.2.0/unicode_normalize.rb
    6 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/rbconfig.rb
    7 thread.rb
    8 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/thread.bundle
    9 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/compatibility.rb
   10 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/defaults.rb
   11 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/deprecate.rb
   12 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/errors.rb
   13 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/version.rb
   14 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/requirement.rb
   15 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/platform.rb
   16 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/basic_specification.rb
   17 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/stub_specification.rb
   18 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/util/stringio.rb
   19 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/specification.rb
   20 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/exceptions.rb
   21 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_gem.rb
   22 /usr/local/lib/ruby/2.2.0/monitor.rb
   23 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb
   24 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems.rb
   25 /usr/local/lib/ruby/2.2.0/e2mmap.rb
   26 /usr/local/lib/ruby/2.2.0/irb/init.rb
   27 /usr/local/lib/ruby/2.2.0/irb/workspace.rb
   28 /usr/local/lib/ruby/2.2.0/irb/inspector.rb
   29 /usr/local/lib/ruby/2.2.0/irb/context.rb
   30 /usr/local/lib/ruby/2.2.0/irb/extend-command.rb
   31 /usr/local/lib/ruby/2.2.0/irb/output-method.rb
   32 /usr/local/lib/ruby/2.2.0/irb/notifier.rb
   33 /usr/local/lib/ruby/2.2.0/irb/slex.rb
   34 /usr/local/lib/ruby/2.2.0/irb/ruby-token.rb
   35 /usr/local/lib/ruby/2.2.0/irb/ruby-lex.rb
   36 /usr/local/lib/ruby/2.2.0/irb/src_encoding.rb
   37 /usr/local/lib/ruby/2.2.0/irb/magic-file.rb
   38 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/readline.bundle
   39 /usr/local/lib/ruby/2.2.0/irb/input-method.rb
   40 /usr/local/lib/ruby/2.2.0/irb/locale.rb
   41 /usr/local/lib/ruby/2.2.0/irb.rb
   42 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/path_support.rb
   43 /usr/local/lib/ruby/site_ruby/2.2.0/rubygems/dependency.rb
   44 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/stringio.bundle
   45 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/environment.rb
   46 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/registry.rb
   47 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/specialized.rb
   48 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/json.rb
   49 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/int32.rb
   50 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/int64.rb
   51 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/integer.rb
   52 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/encodable.rb
   53 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/array.rb
   54 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/binary.rb
   55 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/boolean.rb
   56 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/code.rb
   57 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/code_with_scope.rb
   58 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/date_core.bundle
   59 /usr/local/lib/ruby/2.2.0/date.rb
   60 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/date.rb
   61 /usr/local/lib/ruby/2.2.0/time.rb
   62 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/date_time.rb
   63 /usr/local/lib/ruby/2.2.0/psych/exception.rb
   64 /usr/local/lib/ruby/2.2.0/psych/syntax_error.rb
   65 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/psych.bundle
   66 /usr/local/lib/ruby/2.2.0/psych/omap.rb
   67 /usr/local/lib/ruby/2.2.0/psych/set.rb
   68 /usr/local/lib/ruby/2.2.0/psych/class_loader.rb
   69 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/strscan.bundle
   70 /usr/local/lib/ruby/2.2.0/psych/scalar_scanner.rb
   71 /usr/local/lib/ruby/2.2.0/psych/nodes/node.rb
   72 /usr/local/lib/ruby/2.2.0/psych/nodes/stream.rb
   73 /usr/local/lib/ruby/2.2.0/psych/nodes/document.rb
   74 /usr/local/lib/ruby/2.2.0/psych/nodes/sequence.rb
   75 /usr/local/lib/ruby/2.2.0/psych/nodes/scalar.rb
   76 /usr/local/lib/ruby/2.2.0/psych/nodes/mapping.rb
   77 /usr/local/lib/ruby/2.2.0/psych/nodes/alias.rb
   78 /usr/local/lib/ruby/2.2.0/psych/nodes.rb
   79 /usr/local/lib/ruby/2.2.0/psych/streaming.rb
   80 /usr/local/lib/ruby/2.2.0/psych/visitors/visitor.rb
   81 /usr/local/lib/ruby/2.2.0/psych/visitors/to_ruby.rb
   82 /usr/local/lib/ruby/2.2.0/psych/visitors/emitter.rb
   83 /usr/local/lib/ruby/2.2.0/psych/handler.rb
   84 /usr/local/lib/ruby/2.2.0/psych/tree_builder.rb
   85 /usr/local/lib/ruby/2.2.0/psych/visitors/yaml_tree.rb
   86 /usr/local/lib/ruby/2.2.0/psych/json/ruby_events.rb
   87 /usr/local/lib/ruby/2.2.0/psych/visitors/json_tree.rb
   88 /usr/local/lib/ruby/2.2.0/psych/visitors/depth_first.rb
   89 /usr/local/lib/ruby/2.2.0/psych/visitors.rb
   90 /usr/local/lib/ruby/2.2.0/psych/parser.rb
   91 /usr/local/lib/ruby/2.2.0/psych/coder.rb
   92 /usr/local/lib/ruby/2.2.0/psych/y.rb
   93 /usr/local/lib/ruby/2.2.0/psych/core_ext.rb
   94 /usr/local/lib/ruby/2.2.0/psych/deprecated.rb
   95 /usr/local/lib/ruby/2.2.0/psych/stream.rb
   96 /usr/local/lib/ruby/2.2.0/psych/json/yaml_events.rb
   97 /usr/local/lib/ruby/2.2.0/psych/json/tree_builder.rb
   98 /usr/local/lib/ruby/2.2.0/psych/json/stream.rb
   99 /usr/local/lib/ruby/2.2.0/psych/handlers/document_stream.rb
  100 /usr/local/lib/ruby/2.2.0/psych.rb
  101 /usr/local/lib/ruby/2.2.0/yaml.rb
  102 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/document.rb
  103 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/false_class.rb
  104 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/float.rb
  105 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/hash.rb
  106 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/max_key.rb
  107 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/min_key.rb
  108 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/nil_class.rb
  109 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/object.rb
  110 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/digest.bundle
  111 /usr/local/lib/ruby/2.2.0/digest.rb
  112 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/digest/md5.bundle
  113 /usr/local/lib/ruby/2.2.0/x86_64-darwin14/socket.bundle
  114 /usr/local/lib/ruby/2.2.0/socket.rb
  115 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/object_id.rb
  116 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/regexp.rb
  117 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/string.rb
  118 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/symbol.rb
  119 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/time.rb
  120 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/timestamp.rb
  121 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/true_class.rb
  122 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/undefined.rb
  123 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson/version.rb
  124 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/native.bundle
  125 /usr/local/lib/ruby/gems/2.2.0/gems/bson-3.0.2/lib/bson.rb

[NOTE]
You may have encountered a bug in the Ruby interpreter or extension libraries.
Bug reports are welcome.
Don't forget to include the above Crash Report log file.
For details: http://www.ruby-lang.org/bugreport.html

Abort trap: 6
