# \[Bug #2956\] segfault

**URL:** <https://www.ruby-forum.com/t/bug-2956-segfault/185090>\
**Category:** Development\
**Created:** [March 13, 2010, 11:06am UTC](https://www.ruby-forum.com/t/bug-2956-segfault/185090 "2010-03-13T11:06:58Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tomoki\_MAEDA](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/db5fbb/32.png) [@Tomoki\_MAEDA](https://www.ruby-forum.com/u/Tomoki_MAEDA)\
**Post date:** [March 13, 2010, 11:06am UTC](https://www.ruby-forum.com/t/bug-2956-segfault/185090/1 "2010-03-13T11:06:58Z")

</div>

Bug #2956: segfault  
[http://redmine.ruby-lang.org/issues/show/2956](http://redmine.ruby-lang.org/issues/show/2956)

e$B5/I\<\<Te(B: Tomoki MAEDA  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
e$B%+%F%4%je(B: core  
ruby -v: ruby 1.9.1p376 (2009-12-07 revision 26041) [i486-linux]

$ cat ~/tmp/ruby191bug.rb

# -_- coding: utf-8 -_-

[].each do |i|  
{:i → i}  
result \<\< elem  
end

$ ruby1.9.1 -v ~/tmp/ruby191bug.rb  
ruby 1.9.1p376 (2009-12-07 revision 26041) [i486-linux]  
/home/tmaeda/tmp/ruby191bug.rb:3: syntax error, unexpected tLAMBDA,  
expecting tASSOC  
{:i → i}  
^  
/home/tmaeda/tmp/ruby191bug.rb:3: warning: shadowing outer local  
variable - i  
ruby1.9.1: [BUG] Segmentation fault  
ruby 1.9.1p376 (2009-12-07 revision 26041) [i486-linux]

## – control frame ---------- c:0002 p:-34302656 s:0004 b:0004 l:000003 d:000003 TOP c:0001 p:0000 s:0002 b:0002 l:000f54 d:000f54 TOP

– Ruby level backtrace  
information-----------------------------------------

## – C level backtrace information

0xb7e7a8d4 /usr/lib/libruby-1.9.1.so.1.9(rb\_vm\_bugreport+0x64)  
[0xb7e7a8d4]  
0xb7d90169 /usr/lib/libruby-1.9.1.so.1.9 [0xb7d90169]  
0xb7d901fa /usr/lib/libruby-1.9.1.so.1.9(rb\_bug+0x3a) [0xb7d901fa]  
0xb7e1d66d /usr/lib/libruby-1.9.1.so.1.9 [0xb7e1d66d]  
0xb7ee540c [0xb7ee540c]  
0xb7ddcc6c /usr/lib/libruby-1.9.1.so.1.9(ruby\_yyparse+0x594c)  
[0xb7ddcc6c]  
0xb7de72ac /usr/lib/libruby-1.9.1.so.1.9 [0xb7de72ac]  
0xb7e7d9db /usr/lib/libruby-1.9.1.so.1.9(ruby\_suppress\_tracing+0x10b)  
[0xb7e7d9db]  
0xb7dd22af /usr/lib/libruby-1.9.1.so.1.9(rb\_parser\_compile\_file+0x8f)  
[0xb7dd22af]  
0xb7e1baba /usr/lib/libruby-1.9.1.so.1.9 [0xb7e1baba]  
0xb7d916d9 /usr/lib/libruby-1.9.1.so.1.9(rb\_ensure+0x99) [0xb7d916d9]  
0xb7e1c653 /usr/lib/libruby-1.9.1.so.1.9 [0xb7e1c653]  
0xb7e647fd /usr/lib/libruby-1.9.1.so.1.9(rb\_vm\_call\_cfunc+0xbd)  
[0xb7e647fd]  
0xb7e1a421 /usr/lib/libruby-1.9.1.so.1.9(ruby\_process\_options+0xa1)  
[0xb7e1a421]  
0xb7d931fd /usr/lib/libruby-1.9.1.so.1.9(ruby\_options+0x8d) [0xb7d931fd]  
0x80487ac ruby1.9.1(main+0x6c) [0x80487ac]  
0xb7b98b55 /lib/i686/cmov/libc.so.6(\_\_libc\_start\_main+0xe5) [0xb7b98b55]  
0x80486a1 ruby1.9.1 [0x80486a1]

[NOTE]  
You may encounter a bug of Ruby interpreter. Bug reports are welcome.  
For details: [http://www.ruby-lang.org/bugreport.html](http://www.ruby-lang.org/bugreport.html)

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{:i =\> i}e$B$H=q$/$H$3$m$r4V0c$($Fe(B{:i → i}e$B$7$?$iMn$A$^$7$?!#e(B

e$B4D6-!'e(BIntel Celeron D e$B$J%^%7%s$KF~$l$?e(BDebian  
squeeze(testing)e$B$Ke(Baptitude install  
ruby1.9.1e$B$GF~$l$?e(BRubye$B$G$9!#e(B

---

<div class="post-metadata">

**Author:** ![Tomoki\_MAEDA](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/db5fbb/32.png) [@Tomoki\_MAEDA](https://www.ruby-forum.com/u/Tomoki_MAEDA)\
**Post date:** [March 15, 2010, 6:42am UTC](https://www.ruby-forum.com/t/bug-2956-segfault/185090/2 "2010-03-15T06:42:57Z")

</div>

e$B%A%1%C%He(B #2956 e$B$,99?7$5$l$^$7$?!#e(B (by Yui NARUSE)

## Ruby 1.9.1 on FreeBSD8e$B$G$O:F8=$r3NG’$7$^$7$?!"e(Btrunk e$B$G$O:F8=$7$^$;$s!#e(B

[http://redmine.ruby-lang.org/issues/show/2956](http://redmine.ruby-lang.org/issues/show/2956)