ruby-dev

どうも、斎藤と申します。

On Thu, 1 Mar 2007 09:36:20 +0900
"Hiroki Motoyoshi" <himotoyoshi.ml@gmail.com> wrote:

> 本吉と申します。
> 
> 以下のスクリプトが、
> ruby-1.8.4では正常に動くのですが、
> ruby-1.8.5ではSEGVします。
(snip)
> 皆様の環境でも再現しますでしょうか。

自分の環境でも、1.8.6-preview2およびruby_1_8_6最新、とやっぱりtrunkでも
再現しました。

$ ./ruby-1.8.6/bin/ruby-1.8.6 -v segv186.rb
ruby 1.8.6 (2007-02-28 patchlevel 0) [i686-linux]
セグメンテーション違反です (core dumped)
$ gdb ./ruby-1.8.6/bin/ruby-1.8.6
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/tls/i686/cmov/libthread_db.so.1".

(gdb) run segv186.rb
Starting program: /home/tadashi/ruby-1.8.6/bin/ruby-1.8.6 segv186.rb

Program received signal SIGSEGV, Segmentation fault.
0x4003ec09 in rb_eval (self=1076521380, n=0x3)
at ../../1.8.6/eval.c:2907 2907        switch (nd_type(node)) {
(gdb) l
2902
2903      again:
2904        if (!node) RETURN(Qnil);
2905
2906        ruby_current_node = node;
2907        switch (nd_type(node)) {
2908          case NODE_BLOCK:
2909            if (contnode) {
2910                result = rb_eval(self, node);
2911                break;
(gdb) bt
#0  0x4003ec09 in rb_eval (self=1076521380, n=0x3) at ../../1.8.6/eval.c:2907
#1  0x400401af in rb_eval (self=1076521380, n=0x3) at ../../1.8.6/eval.c:3563
#2  0x4003c50c in ruby_exec_internal () at ../../1.8.6/eval.c:1599
#3  0x4003c564 in ruby_exec () at ../../1.8.6/eval.c:1619
#4  0x4003c5a1 in ruby_run () at ../../1.8.6/eval.c:1629
#5  0x0804874e in main (argc=3, argv=0x3, envp=0xbffff880)
    at ../../1.8.6/main.c:48
(gdb)

時間がないので、とりあえず報告のみで。
# にしても、いままでエラーにならなかったのは知らなかったっす

--
斎藤ただし

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