# SEGV 2008-05-27 revision 16652

**URL:** <https://www.ruby-forum.com/t/segv-2008-05-27-revision-16652/138773>\
**Category:** Development\
**Created:** [May 27, 2008, 4:49pm UTC](https://www.ruby-forum.com/t/segv-2008-05-27-revision-16652/138773 "2008-05-27T16:49:23Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![WATANABE\_Tetsuya](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/w/46a35a/32.png) [@WATANABE\_Tetsuya](https://www.ruby-forum.com/u/WATANABE_Tetsuya)\
**Post date:** [May 27, 2008, 4:49pm UTC](https://www.ruby-forum.com/t/segv-2008-05-27-revision-16652/138773/1 "2008-05-27T16:49:23Z")

</div>

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ruby 1.9.0 (2008-05-27 revision 16652) [i686-linux]

e$B$G$9!#e(B

SEGV e$B$Ge(B core e$B$7$^$9!#e(B

e$B%9%/%j%W%H$K$D$$$F$O!"JQ?te(B l  
e$B$KBeF~$7$J$$$H5/$-$J$+$C$?$j!"e(BNKF.nkf e$B$Ne(B  
e$BLa$jCM$rJQ?t$KF~$l$J$$\>l9g$K$b5/$-$J$+$C$?$j$7$F$$$^$9!#e(B

e$BF~NO%G!\<%?$Ne(B j.txt e$B$O!"0l9T$Ne(B ASCII e$BJ8;z$G5/$-$^$7$?!#e(B

* * *

$ ruby j.rb j.txt  
j.rb:8: [BUG] Segmentation fault  
ruby 1.9.0 (2008-05-27 revision 16652) [i686-linux]

## – stack frame ------------ 0000 (0x40212008): 00000004 0001 (0x4021200c): 00000001 0002 (0x40212010): 00000004 0003 (0x40212014): 00000001 0004 (0x40212018): 081611bc 0005 (0x4021201c): 081611a8 0006 (0x40212020): 00000001 \<- lfp \<- dfp 0007 (0x40212024): 08161180 \<- bp 0008 (0x40212028): 08162508 0009 (0x4021202c): 081dbde0 – control frame ---------- c:0003 p:0046 s:0010 b:0007 l:000006 d:000006 TOP j.rb:8 c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH :private\_class\_method c:0001 p:0000 s:0002 b:0002 l:000001 d:000001 TOP :16

## DBG\> : “j.rb:8:in `’” – backtrace of native function call (Use addr2line) – 0x80dd151 0x80fca01 0x80fca35 0x80b0672 0x4002d02d 0x400ff900 0x80d2670 0x80d26a8 0x80d279a 0x80d7a67 0x80d990a 0x80d9da7 0x8059dee 0x8059e6b 0x8058b77 0x400ecc1f 0x8058a99

## zsh: 26690 abort (core dumped) ruby j.rb j.txt

* * *

$ cat j.rb  
#! /usr/local/bin/ruby

# -_- mode:ruby; coding:euc-jp -_-

# /tmp/j.rb

require ‘nkf’

## l = gets l = NKF.nkf(’-e’, l).sub(/a/, ‘’)

* * *

$ gdb =ruby core.26690  
(gdb) bt  
#0 0x400ffc11 in kill () from /lib/i686/libc.so.6  
#1 0x4002a341 in pthread\_kill () from /lib/i686/libpthread.so.0  
#2 0x4002a6bb in raise () from /lib/i686/libpthread.so.0  
#3 0x400ff8a4 in raise () from /lib/i686/libc.so.6  
#4 0x40101008 in abort () from /lib/i686/libc.so.6  
#5 0x080fca3a in rb\_compile\_bug (file=0x8128ae6 “Segmentation fault”,  
line=82080, fmt=0x4002fb84 “\204\352”) at error.c:226  
#6 0x080b0672 in sigpipe (sig=11) at signal.c:551  
#7 0x4002d02d in \_\_pthread\_clock\_settime () from  
/lib/i686/libpthread.so.0  
#8 0x400ff900 in killpg () from /lib/i686/libc.so.6  
#9 0x080d2670 in search\_method (klass=1073937284, id=1073946176,  
klassp=0x0) at vm\_method.c:230  
#10 0x080d26a8 in rb\_get\_method\_body (klass=135663960, id=2104, idp=0x0)  
at vm\_method.c:254  
#11 0x080d279a in rb\_method\_node (klass=135663960, id=6) at  
vm\_method.c:298  
#12 0x080d7a67 in vm\_eval (th=0x8160af0, initial=0) at  
vm\_insnhelper.c:1116  
#13 0x080d990a in vm\_eval\_body (th=0x8160af0) at vm.c:1022  
#14 0x080d9da7 in rb\_iseq\_eval (iseqval=135668740) at vm.c:1226  
#15 0x08059dee in ruby\_exec\_node (n=0x8162404, file=0x0) at eval.c:221  
#16 0x08059e6b in ruby\_run\_node (n=0x8162404) at eval.c:249  
#17 0x08058b77 in main (argc=3, argv=0xbffffaf4, envp=0xbffffb04) at  
main.c:35  
#18 0x400ecc1f in \_\_libc\_start\_main () from /lib/i686/libc.so.6