[Closed] r25230 causes SEGV arround Marshal

Issue #2386 has been updated by Koichi Sasada.

Status changed from Feedback to Closed

いったん close しますので,再現したら教えて下さい.

Bug #2386: r25230 causes SEGV arround Marshal
http://redmine.ruby-lang.org/issues/2386

Author: Yui NARUSE
Status: Closed
Priority: Low
Assignee: Nobuyoshi N.
Category: core
Target version: 1.9.2
ruby -v: ruby 1.9.2dev (2009-11-19 trunk 25848) [i686-linux]

=begin
以下のコミット以降、後述の現象が発生するそうです。

Author: nobu [email protected]
Date: Sun Oct 4 10:30:56 2009 +0000

* marshal.c (struct {dump,load}_arg): manage with dfree, instead
  of using local variable which may be moved by context switch.
  [ruby-dev:39425]

http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=25230


けいじゅ@いしつかです.

最新版のrubyで以下のメッセージが出るようになってしまったのですが, これ
はどのような意味でしょうか?

% ruby -v
ruby 1.9.2dev (2009-11-19 trunk 25848) [i686-linux]

each: method `to_s’ called on hidden object (0x9438e48)

また, これを調べていたら: 以下のようなSEGVも発生するようになってしまい
ました… なんか, 関係あるでしょうか?

rubyのバージョンは微妙に違います.

/usr/local/apps/rubyware/ruby-1.9.2-20091118/lib/ruby/1.9.1/delegate.rb:265:
[BUG] Segmentation fault
ruby 1.9.2dev (2009-11-18 trunk 25846) [i686-linux]

– control frame ----------
c:0037 p:---- s:0130 b:0130 l:000129 d:000129 CFUNC :write
c:0036 p:0026 s:0126 b:0126 l:000768 d:000125 LAMBDA
/usr/local/apps/rubyware/ruby-1.9.2-20091118/lib/ruby/1.9.1/delegate.rb:265
c:0035 p:---- s:0121 b:0121 l:000120 d:000120 FINISH
c:0034 p:---- s:0119 b:0119 l:000118 d:000118 CFUNC :dump
c:0033 p:0062 s:0114 b:0114 l:000ba8 d:000113 BLOCK
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:863
c:0032 p:0050 s:0110 b:0110 l:000109 d:000109 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:849
c:0031 p:0011 s:0105 b:0105 l:000ba8 d:000ba8 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:859
c:0030 p:0079 s:0101 b:0101 l:000095 d:000100 BLOCK
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:787
c:0029 p:0019 s:0099 b:0099 l:000098 d:000098 METHOD
internal:prelude:8
c:0028 p:0013 s:0096 b:0096 l:000095 d:000095 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:780
c:0027 p:0015 s:0092 b:0092 l:000091 d:000091 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:303
c:0026 p:0118 s:0088 b:0088 l:001e8c d:000087 BLOCK
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/n-group-by.rb:56
c:0025 p:---- s:0083 b:0083 l:000082 d:000082 FINISH
c:0024 p:---- s:0081 b:0081 l:000080 d:000080 CFUNC :call
c:0023 p:0014 s:0077 b:0077 l:0011ec d:000076 BLOCK test/testc.rb:3196
c:0022 p:---- s:0074 b:0074 l:000073 d:000073 FINISH
c:0021 p:---- s:0072 b:0072 l:000071 d:000071 CFUNC :each
c:0020 p:0032 s:0069 b:0069 l:0011ec d:00263c BLOCK test/testc.rb:3195
c:0019 p:---- s:0065 b:0065 l:000064 d:000064 FINISH
c:0018 p:---- s:0063 b:0063 l:000062 d:000062 CFUNC :each
c:0017 p:0017 s:0060 b:0060 l:000059 d:000059 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/nfile.rb:78
c:0016 p:0073 s:0056 b:0056 l:000055 d:000055 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:156
c:0015 p:0011 s:0051 b:0051 l:0011ec d:00074c BLOCK test/testc.rb:3188
c:0014 p:---- s:0047 b:0047 l:000046 d:000046 FINISH
c:0013 p:---- s:0045 b:0045 l:000044 d:000044 CFUNC :yield
c:0012 p:0014 s:0040 b:0040 l:0000dc d:000039 BLOCK
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/share/block-source.rb:81
c:0011 p:0021 s:0038 b:0038 l:000037 d:000037 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/share/stdout.rb:35
c:0010 p:0014 s:0034 b:0034 l:0000dc d:0000dc METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/share/block-source.rb:80
c:0009 p:0043 s:0029 b:0029 l:000028 d:000028 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/n-each-substream-mapper.rb:26
c:0008 p:0073 s:0025 b:0025 l:000024 d:000024 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:156
c:0007 p:0137 s:0020 b:0020 l:001e8c d:001f2c BLOCK
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/n-group-by.rb:47
c:0006 p:---- s:0016 b:0016 l:000015 d:000015 FINISH
c:0005 p:---- s:0014 b:0014 l:000013 d:000013 CFUNC :call
c:0004 p:0012 s:0011 b:0011 l:000010 d:000010 METHOD
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:143
c:0003 p:0077 s:0007 b:0007 l:0020f8 d:000006 BLOCK
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:125
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:---- s:0002 b:0002 l:000001 d:000001 TOP

/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:125:in
block in start' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:143:inbasic_start’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:143:in
call' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/n-group-by.rb:47:inblock in start_export’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:156:in
each' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/n-each-substream-mapper.rb:26:inbasic_each’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/share/block-source.rb:80:in
yield19' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/share/stdout.rb:35:inreplace_stdout’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/share/block-source.rb:81:in
block in yield19' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/share/block-source.rb:81:inyield’
test/testc.rb:3188:in block in context' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/njob.rb:156:ineach’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/nfile.rb:78:in
basic_each' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/nfile.rb:78:ineach’
test/testc.rb:3195:in block (2 levels) in context' test/testc.rb:3195:ineach’
test/testc.rb:3196:in block (3 levels) in context' test/testc.rb:3196:incall’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/n-group-by.rb:56:in
block (2 levels) in start_export' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:303:inpush’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:780:in
push' <internal:prelude>:8:insynchronize’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:787:in
block in push' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:859:instore_2ndmemory’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:849:in
open_2ndmemory' /home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:863:inblock in store_2ndmemory’
/home/keiju/public/a.research/fairy/git/fairy/lib/fairy/node/port.rb:863:in
dump' /usr/local/apps/rubyware/ruby-1.9.2-20091118/lib/ruby/1.9.1/delegate.rb:265:inblock in delegating_block’
/usr/local/apps/rubyware/ruby-1.9.2-20091118/lib/ruby/1.9.1/delegate.rb:265:in
`write’

– C level backtrace information

fairy processor --node 45566 --id 0(rb_vm_bugreport+0xb5) [0x81621a5]
fairy processor --node 45566 --id 0 [0x819f3ce]
fairy processor --node 45566 --id 0(rb_bug+0x28) [0x819f468]
fairy processor --node 45566 --id 0 [0x80f71e5]
[0xb801c40c]
fairy processor --node 45566 --id 0(rb_funcall+0xe1) [0x815ee81]
fairy processor --node 45566 --id 0(rb_obj_as_string+0x81) [0x8103811]
fairy processor --node 45566 --id 0 [0x8079378]
fairy processor --node 45566 --id 0 [0x8151689]
fairy processor --node 45566 --id 0 [0x8152bbd]
fairy processor --node 45566 --id 0 [0x815511d]
fairy processor --node 45566 --id 0 [0x8159399]
fairy processor --node 45566 --id 0(rb_vm_invoke_proc+0x81) [0x8159b61]
fairy processor --node 45566 --id 0 [0x815aab5]
fairy processor --node 45566 --id 0(rb_funcall+0x18e) [0x815ef2e]
fairy processor --node 45566 --id 0(rb_io_write+0x29) [0x80712a9]
fairy processor --node 45566 --id 0 [0x8089f38]
fairy processor --node 45566 --id 0 [0x814d71d]
fairy processor --node 45566 --id 0 [0x8151689]
fairy processor --node 45566 --id 0 [0x8152bbd]
fairy processor --node 45566 --id 0 [0x815511d]
fairy processor --node 45566 --id 0 [0x8159399]
fairy processor --node 45566 --id 0(rb_vm_invoke_proc+0x81) [0x8159b61]
fairy processor --node 45566 --id 0 [0x8062ec4]
fairy processor --node 45566 --id 0 [0x814d71d]
fairy processor --node 45566 --id 0 [0x8151689]
fairy processor --node 45566 --id 0 [0x8152bbd]
fairy processor --node 45566 --id 0 [0x815511d]
fairy processor --node 45566 --id 0 [0x8159399]
fairy processor --node 45566 --id 0(rb_yield+0x4f) [0x816103f]
fairy processor --node 45566 --id 0(rb_ary_each+0x41) [0x81716a1]
fairy processor --node 45566 --id 0 [0x8151689]
fairy processor --node 45566 --id 0 [0x8152bbd]
fairy processor --node 45566 --id 0 [0x815511d]
fairy processor --node 45566 --id 0 [0x8159399]
fairy processor --node 45566 --id 0(rb_yield+0x4f) [0x816103f]
fairy processor --node 45566 --id 0 [0x8082bf8]
fairy processor --node 45566 --id 0 [0x814d71d]
fairy processor --node 45566 --id 0 [0x8151689]
fairy processor --node 45566 --id 0 [0x8152bbd]
fairy processor --node 45566 --id 0 [0x815511d]
fairy processor --node 45566 --id 0 [0x8159399]
fairy processor --node 45566 --id 0(rb_vm_invoke_proc+0x81) [0x8159b61]
fairy processor --node 45566 --id 0 [0x8062ec4]
fairy processor --node 45566 --id 0 [0x814d71d]
fairy processor --node 45566 --id 0 [0x8151689]
fairy processor --node 45566 --id 0 [0x8152bbd]
fairy processor --node 45566 --id 0 [0x815511d]
fairy processor --node 45566 --id 0 [0x8159399]
fairy processor --node 45566 --id 0(rb_vm_invoke_proc+0x81) [0x8159b61]
fairy processor --node 45566 --id 0 [0x8062ec4]
fairy processor --node 45566 --id 0 [0x814d71d]
fairy processor --node 45566 --id 0 [0x8151689]
fairy processor --node 45566 --id 0 [0x8152bbd]
fairy processor --node 45566 --id 0 [0x815511d]
fairy processor --node 45566 --id 0 [0x8159399]
fairy processor --node 45566 --id 0(rb_vm_invoke_proc+0x81) [0x8159b61]
fairy processor --node 45566 --id 0 [0x81682ed]
fairy processor --node 45566 --id 0 [0x81683a1]
/lib/i686/cmov/libpthread.so.0 [0xb7fe84b5]
/lib/i686/cmov/libc.so.6(clone+0x5e) [0xb7efea5e]


NARUSE, Yui [email protected]
=end

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