[ruby-dev:25916] Re: [BUG] recursive_key

In article <[e-mail]>,
  Yukihiro Matsumoto <[e-mail]> writes:

> これを書いた時には「__recursive_key__はRubyから触らない」と
> いう(誤った)前提でコーディングしていました。コミットしてくだ
> さい。

誤った前提はいろいろと問題を残す傾向がありますが、この件でもまだ残って
いるようです。

% ./ruby -e 'Thread.current[:__recursive_key__] = {:inspect=>0}; [1].inspect'  
-e:1: [BUG] Segmentation fault
ruby 1.9.0 (2005-03-14) [i686-linux]

zsh: abort (core dumped)  ./ruby -e 'Thread.current[:__recursive_key__] = {:inspect=>0}; [1].inspect'
% gdb ruby core                                                              
GNU gdb 6.3-debian
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-linux"...Using host libthread_db library "/lib/libthread_db.so.1".

Core was generated by `./ruby -e Thread.current[:__recursive_key__] = {:inspect=>0}; [1].inspect'.
Program terminated with signal 6, Aborted.
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
#0  0x4009e741 in kill () from /lib/libc.so.6
(gdb) bt
#0  0x4009e741 in kill () from /lib/libc.so.6
#1  0x4009e4c5 in raise () from /lib/libc.so.6
#2  0x4009fa08 in abort () from /lib/libc.so.6
#3  0x080de196 in rb_bug (fmt=0x0) at error.c:214
#4  0x080bb292 in sigsegv (sig=11) at signal.c:531
#5  <signal handler called>
#6  rb_ary_includes (ary=1, item=1075608377) at array.c:2611
#7  0x0806b1c3 in recursive_check (obj=1075608377) at eval.c:13006
#8  0x0806b43d in rb_exec_recursive (func=0x80d1300 <inspect_ary>, obj=1075608376, arg=0) at eval.c:13061
#9  0x080d1486 in rb_ary_inspect (ary=1075608377) at array.c:1498
#10 0x0806b691 in call_cfunc (func=0x80d1450 <rb_ary_inspect>, recv=1075608376, len=-1073746420, argc=-1073746420, 
    argv=0x0) at eval.c:5468
#11 0x0805eb12 in rb_call0 (klass=1075647616, recv=1075608376, id=3153, oid=1075608377, argc=0, argv=0x0, body=0x401d137c, 
    nosuper=0) at eval.c:5605
#12 0x0805edd8 in rb_call (klass=1075647616, recv=1075608376, mid=3153, argc=0, argv=0x0, scope=0) at eval.c:5827
#13 0x080595ba in rb_eval (self=1075673616, n=0x401c7b39) at ruby.h:635
#14 0x08055e86 in ruby_exec_internal () at eval.c:1511
#15 0x08055ea6 in ruby_exec () at eval.c:1532
#16 0x08055ef0 in ruby_run () at eval.c:1549
#17 0x08053e55 in main (argc=1075608377, argv=0x401c7b39, envp=0xbffff994) at main.c:38
(gdb) 
-- 
[田中 哲][たなか あきら][Tanaka Akira]