# \[Bug #669\] nil $B$r0z?t$K$7$F(B Iconv.new $B$r8F$V$H(BSEGV

**URL:** <https://www.ruby-forum.com/t/bug-669-nil-b-r0z-t-k-7-f-b-iconv-new-b-r8f-v-h-bsegv/151398>\
**Category:** Development\
**Created:** [October 21, 2008, 12:07am UTC](https://www.ruby-forum.com/t/bug-669-nil-b-r0z-t-k-7-f-b-iconv-new-b-r8f-v-h-bsegv/151398 "2008-10-21T00:07:43Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Hiroshi\_M](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/bbce88/32.png) [@Hiroshi\_M](https://www.ruby-forum.com/u/Hiroshi_M)\
**Post date:** [October 21, 2008, 12:07am UTC](https://www.ruby-forum.com/t/bug-669-nil-b-r0z-t-k-7-f-b-iconv-new-b-r8f-v-h-bsegv/151398/1 "2008-10-21T00:07:43Z")

</div>

Bug #669: nil e$B$r0z?t$K$7$Fe(B Iconv.new e$B$r8F$V$He(BSEGV  
[http://redmine.ruby-lang.org/issues/show/669](http://redmine.ruby-lang.org/issues/show/669)

e$B5/I\<\<Te(B: Hiroshi M.  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
e$B%+%F%4%je(B: ext, Target version: 1.9.x

e$B\<!$NNc$N$h$&$Ke(B Iconv.new e$B$de(B Iconv.open  
e$B$J$I$NBh0l!"Kt$OBhFs0ze(B  
e$B?t$Ke(B nil e$B$r;XDj$7$F8F$V$H!"e(Brubye$B$,Mn$A$^$9!#e(Bnil  
e$B$NB\>$K$O%7%s%\e(B  
e$B%k$de(B true e$B$J$I$GMn$A$^$7$?!#%Q%C%A%U%!%$%k$rE:IU$7$^$9!#e(B

e$BNce(B:

% ./ruby1.9 -riconv -e “Iconv.new(nil, ‘UTF-8’)”  
-e:1: [BUG] Segmentation fault  
ruby 1.9.0 (2008-10-21 revision 19843) [i686-linux]

## – control frame ---------- c:0005 p:---- s:0013 b:0013 l:000012 d:000012 CFUNC :initialize c:0004 p:---- s:0011 b:0011 l:000010 d:000010 CFUNC :new c:0003 p:0018 s:0006 b:0006 l:000005 d:000005 TOP -e:1 c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH :inherited c:0001 p:0000 s:0002 b:0002 l:000001 d:000001 TOP :17

## DBG\> : “-e:1:in `initialize'" DBG> : "-e:1:in `new’” DBG\> : “-e:1:in `'” – backtrace of native function call (Use addr2line) – 0x811c205 0x81486ce 0x814872b 0x80cef73 0xb7f36440 0xb7f268c7 0xb7f270ee 0x810ca3e 0x8119223 0x8119696 0x8059ca3 0x808151a 0x810ca3e 0x811a9c2 0x8112e89 0x81174db 0x8117709 0x805a27f 0x805bbbe 0x8059131 0xb7d90ea8 0x8059041

zsh: abort ./ruby1.9 -riconv -e “Iconv.new(nil, ‘UTF-8’)”