[ruby-trunk - Bug #9109][Open] extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation fault になる

Ruby Development
1

Issue #9109 has been reported by sunaot (sunao tanabe).

Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation
fault になる

Author: sunaot (sunao tanabe)
Status: Open
Priority: Normal
Assignee:
Category:
Target version:
ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674)
[x86_64-darwin11.4.2]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN

=begin

以下のコードで segmentation fault を起こします。

require ‘rspec’

module ExtendModule
def foo
‘foo’
end

def bar
‘bar’
end
end

describe ‘foo’ do
extend ExtendModule
let(:foo) { foo }
let(:bar) { bar }
it { foo.should be ‘foo’ }
it { bar.should be ‘bar’ }
end

実行結果

$ bundle exec rspec
FSegmentation fault: 11

RSpec version 2.14.7 (現時点の最新安定板)

期待する挙動

segmentation fault せず SystemStackError となる (同名が 1 つの場合の挙動から推測)

=end

2

Issue #9109 has been updated by nobu (Nobuyoshi N.).

_th.tagをセットした後、EXEC_TAG()中のsetjmp()の中でスタックオーバーフローしているようですね。
これはどうしたものかなぁ。

Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation
fault になる

Author: sunaot (sunao tanabe)
Status: Open
Priority: Low
Assignee:
Category:
Target version:
ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674)
[x86_64-darwin11.4.2]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN

=begin

以下のコードで segmentation fault を起こします。

require ‘rspec’

module ExtendModule
def foo
‘foo’
end

def bar
‘bar’
end
end

describe ‘foo’ do
extend ExtendModule
let(:foo) { foo }
let(:bar) { bar }
it { foo.should be ‘foo’ }
it { bar.should be ‘bar’ }
end

実行結果

$ bundle exec rspec
FSegmentation fault: 11

RSpec version 2.14.7 (現時点の最新安定板)

期待する挙動

segmentation fault せず SystemStackError となる (同名が 1 つの場合の挙動から推測)

=end

3

Issue #9109 has been updated by sorah (Shota F.).

Priority changed from Normal to Low

運が悪いとsystemstackerrorにならず SEGV が発生する既知の現象に見えます。

Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation
fault になる

Author: sunaot (sunao tanabe)
Status: Open
Priority: Low
Assignee:
Category:
Target version:
ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674)
[x86_64-darwin11.4.2]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN

=begin

以下のコードで segmentation fault を起こします。

require ‘rspec’

module ExtendModule
def foo
‘foo’
end

def bar
‘bar’
end
end

describe ‘foo’ do
extend ExtendModule
let(:foo) { foo }
let(:bar) { bar }
it { foo.should be ‘foo’ }
it { bar.should be ‘bar’ }
end

実行結果

$ bundle exec rspec
FSegmentation fault: 11

RSpec version 2.14.7 (現時点の最新安定板)

期待する挙動

segmentation fault せず SystemStackError となる (同名が 1 つの場合の挙動から推測)

=end

4

Issue #9109 has been updated by nobu (Nobuyoshi N.).

とりあえずstack overflowでSEGVするのは直ったと思います。
代わりに [BUG] vm_call_cfunc - cfp consistency error
が出るようになりましたが、それはまた別件なので。

Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation
fault になる

Author: sunaot (sunao tanabe)
Status: Closed
Priority: Low
Assignee:
Category:
Target version:
ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674)
[x86_64-darwin11.4.2]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN

=begin

以下のコードで segmentation fault を起こします。

require ‘rspec’

module ExtendModule
def foo
‘foo’
end

def bar
‘bar’
end
end

describe ‘foo’ do
extend ExtendModule
let(:foo) { foo }
let(:bar) { bar }
it { foo.should be ‘foo’ }
it { bar.should be ‘bar’ }
end

実行結果

$ bundle exec rspec
FSegmentation fault: 11

RSpec version 2.14.7 (現時点の最新安定板)

期待する挙動

segmentation fault せず SystemStackError となる (同名が 1 つの場合の挙動から推測)

=end

5

Issue #9109 has been updated by nagachika (Tomoyuki C.).

Backport changed from 1.9.3: UNKNOWN, 2.0.0: UNKNOWN to 1.9.3: UNKNOWN,
2.0.0: REQUIRED

Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation
fault になる

Author: sunaot (sunao tanabe)
Status: Closed
Priority: Low
Assignee:
Category:
Target version:
ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674)
[x86_64-darwin11.4.2]
Backport: 1.9.3: UNKNOWN, 2.0.0: REQUIRED

=begin

以下のコードで segmentation fault を起こします。

require ‘rspec’

module ExtendModule
def foo
‘foo’
end

def bar
‘bar’
end
end

describe ‘foo’ do
extend ExtendModule
let(:foo) { foo }
let(:bar) { bar }
it { foo.should be ‘foo’ }
it { bar.should be ‘bar’ }
end

実行結果

$ bundle exec rspec
FSegmentation fault: 11

RSpec version 2.14.7 (現時点の最新安定板)

期待する挙動

segmentation fault せず SystemStackError となる (同名が 1 つの場合の挙動から推測)

=end

6

Issue #9109 has been updated by h.shirosaki (Hiroshi Shirosaki).

Status changed from Closed to Assigned
Assignee set to nobu (Nobuyoshi N.)

=begin

[i386-mingw32] では、SEGVになってしまうようです。
これは直るのでしょうか？
以下、gdbの出力です。

sh-3.1$ gdb -args ./ruby -v -I. -I …/…/…/ruby/lib -I
.ext/i386-mingw32 -e ‘h = {a: ->{h[:a].call}};h[:a].call’
GNU gdb (rubenvb-4.7.2-release) 7.5.50.20120920-cvs
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
http://gnu.org/licenses/gpl.html
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type “show
copying”
and “show warranty” for details.
This GDB was configured as “i686-w64-mingw32”.
For bug reporting instructions, please see:
[email protected]…
Reading symbols from
c:\Users\h.shirosaki\work\rubyinstaller\sandbox\ruby21_build\ruby.exe…done.
(gdb) r
Starting program:
c:\Users\h.shirosaki\work\rubyinstaller\sandbox\ruby21_build\ruby.exe -v
-I. -I …/…/…/ruby/lib -I .
ext/i386-mingw32 -e “h = {a: ->{h[:a].call}};h[:a].call”
[New Thread 2132.0x1a5c]
[New Thread 2132.0x17d4]
ruby 2.2.0dev (2014-01-07 trunk 44522) [i386-mingw32]

Program received signal SIGSEGV, Segmentation fault.
vm_exec_core (th=0x7c6670, initial=initial@entry=0) at
…/…/…/ruby/vm_exec.c:46
46 {
(gdb) bt 20
#0 vm_exec_core (th=0x7c6670, initial=initial@entry=0) at
…/…/…/ruby/vm_exec.c:46
#1 0x640c709c in vm_exec (th=th@entry=0x7c6670) at
…/…/…/ruby/vm.c:1307
#2 0x640c85eb in invoke_block_from_c (defined_class=4, cref=0x0,
blockptr=0x0, argv=0x50a1a0, argc=0, self=8171304,
block=0x2c258b8, th=0x7c6670) at …/…/…/ruby/vm.c:732
#3 vm_invoke_proc (th=0x0, th@entry=0x4, proc=0x2c258b8,
proc@entry=0x0, self=8171304, defined_class=4, argc=0,
argv=0x50a1a0, blockptr=0x0) at …/…/…/ruby/vm.c:788
#4 0x640c869b in rb_vm_invoke_proc (th=0x4, proc=0x0,
proc@entry=0x2c258b8, argc=5284256, argc@entry=0, argv=0x0,
argv@entry=0x50a1a0, blockptr=0x0) at …/…/…/ruby/vm.c:807
#5 0x63f9792e in proc_call (argc=0, argv=0x50a1a0, procval=45045816)
at …/…/…/ruby/proc.c:786
#6 0x640bdd96 in vm_call_cfunc_with_frame (th=0x7c6670,
reg_cfp=0x557a30, ci=)
at …/…/…/ruby/vm_insnhelper.c:1470
#7 0x640c2c96 in vm_exec_core (th=0x7c6670, initial=initial@entry=0)
at …/…/…/ruby/insns.def:1028
#8 0x640c709c in vm_exec (th=th@entry=0x7c6670) at
…/…/…/ruby/vm.c:1307
#9 0x640c85eb in invoke_block_from_c (defined_class=4, cref=0x0,
blockptr=0x0, argv=0x50a18c, argc=0, self=8171304,
block=0x2c258b8, th=0x7c6670) at …/…/…/ruby/vm.c:732
#10 vm_invoke_proc (th=0x0, th@entry=0x4, proc=0x2c258b8,
proc@entry=0x0, self=8171304, defined_class=4, argc=0,
argv=0x50a18c, blockptr=0x0) at …/…/…/ruby/vm.c:788
#11 0x640c869b in rb_vm_invoke_proc (th=0x4, proc=0x0,
proc@entry=0x2c258b8, argc=5284236, argc@entry=0, argv=0x0,
argv@entry=0x50a18c, blockptr=0x0) at …/…/…/ruby/vm.c:807
#12 0x63f9792e in proc_call (argc=0, argv=0x50a18c, procval=45045816)
at …/…/…/ruby/proc.c:786
#13 0x640bdd96 in vm_call_cfunc_with_frame (th=0x7c6670,
reg_cfp=0x557a80, ci=)
at …/…/…/ruby/vm_insnhelper.c:1470
#14 0x640c2c96 in vm_exec_core (th=0x7c6670, initial=initial@entry=0)
at …/…/…/ruby/insns.def:1028
#15 0x640c709c in vm_exec (th=th@entry=0x7c6670) at
…/…/…/ruby/vm.c:1307
#16 0x640c85eb in invoke_block_from_c (defined_class=4, cref=0x0,
blockptr=0x0, argv=0x50a178, argc=0, self=8171304,
block=0x2c258b8, th=0x7c6670) at …/…/…/ruby/vm.c:732
#17 vm_invoke_proc (th=0x0, th@entry=0x4, proc=0x2c258b8,
proc@entry=0x0, self=8171304, defined_class=4, argc=0,
argv=0x50a178, blockptr=0x0) at …/…/…/ruby/vm.c:788
#18 0x640c869b in rb_vm_invoke_proc (th=0x4, proc=0x0,
proc@entry=0x2c258b8, argc=5284216, argc@entry=0, argv=0x0,
argv@entry=0x50a178, blockptr=0x0) at …/…/…/ruby/vm.c:807
#19 0x63f9792e in proc_call (argc=0, argv=0x50a178, procval=45045816)
at …/…/…/ruby/proc.c:786
(More stack frames follow…)
=end

Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation
fault になる

Author: sunaot (sunao tanabe)
Status: Assigned
Priority: Low
Assignee: nobu (Nobuyoshi N.)
Category:
Target version:
ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674)
[x86_64-darwin11.4.2]
Backport: 1.9.3: UNKNOWN, 2.0.0: REQUIRED

=begin

以下のコードで segmentation fault を起こします。

require ‘rspec’

module ExtendModule
def foo
‘foo’
end

def bar
‘bar’
end
end

describe ‘foo’ do
extend ExtendModule
let(:foo) { foo }
let(:bar) { bar }
it { foo.should be ‘foo’ }
it { bar.should be ‘bar’ }
end

実行結果

$ bundle exec rspec
FSegmentation fault: 11

RSpec version 2.14.7 (現時点の最新安定板)

期待する挙動

segmentation fault せず SystemStackError となる (同名が 1 つの場合の挙動から推測)

=end

7

Issue #9109 has been updated by Usaku NAKAMURA.

Backport changed from 1.9.3: UNKNOWN, 2.0.0: REQUIRED to 1.9.3:
REQUIRED, 2.0.0: REQUIRED

Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation
fault になる

  • Author: sunao tanabe
  • Status: Assigned
  • Priority: Low
  • Assignee: Nobuyoshi N.
  • Category:
  • Target version:
  • ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674)
    [x86_64-darwin11.4.2]
  • Backport: 1.9.3: REQUIRED, 2.0.0: REQUIRED

=begin

以下のコードで segmentation fault を起こします。

require ‘rspec’

module ExtendModule
def foo
‘foo’
end

def bar
‘bar’
end
end

describe ‘foo’ do
extend ExtendModule
let(:foo) { foo }
let(:bar) { bar }
it { foo.should be ‘foo’ }
it { bar.should be ‘bar’ }
end

実行結果

$ bundle exec rspec
FSegmentation fault: 11

RSpec version 2.14.7 (現時点の最新安定板)

期待する挙動

segmentation fault せず SystemStackError となる (同名が 1 つの場合の挙動から推測)

=end

8

Issue #9109 has been updated by Nobuyoshi N…

Duplicated by Bug #9900: Segmentation fault with recursive reference of
a hash added

Bug #9109: extend したモジュールメソッドと RSpec の let で 2 つ同名を使ったときに segmentation
fault になる

  • Author: sunao tanabe
  • Status: Assigned
  • Priority: Low
  • Assignee: Nobuyoshi N.
  • Category:
  • Target version:
  • ruby -v: ruby 2.0.0p247 (2013-06-27 revision 41674)
    [x86_64-darwin11.4.2]
  • Backport: 1.9.3: REQUIRED, 2.0.0: REQUIRED

=begin

以下のコードで segmentation fault を起こします。

require ‘rspec’

module ExtendModule
def foo
‘foo’
end

def bar
‘bar’
end
end

describe ‘foo’ do
extend ExtendModule
let(:foo) { foo }
let(:bar) { bar }
it { foo.should be ‘foo’ }
it { bar.should be ‘bar’ }
end

実行結果

$ bundle exec rspec
FSegmentation fault: 11

RSpec version 2.14.7 (現時点の最新安定板)

期待する挙動

segmentation fault せず SystemStackError となる (同名が 1 つの場合の挙動から推測)

=end