From: Shugo Maeda <shugo@...>
Date: 2005-05-23T11:43:14+09:00
Subject: [ruby-dev:26206] repeated syntax errors causes SEGV

This is a multi-part message in MIME format.
--------------030201040008010204030503
Content-Type: text/plain; charset=ISO-2022-JP
Content-Transfer-Encoding: 7bit

前田です。

添付のスクリプトでSegmentation Faultが発生するようです。

$ ruby-cvs /tmp/test.rb
(eval):2: [BUG] Segmentation fault
ruby 1.9.0 (2005-05-22) [i686-linux]

zsh: abort      ruby-cvs /tmp/test.rb
$ ruby-cvs_1_8 /tmp/test.rb
(eval):2: [BUG] Segmentation fault
ruby 1.8.3 (2005-05-22) [i686-linux]

zsh: abort      ruby-cvs_1_8 /tmp/test.rb

参考までにvalgrindの出力も付けておきます。

$ RUBY=ruby-cvs valgrind-ruby /tmp/test.rb ==30511== Memcheck, a memory
error detector for x86-linux.
==30511== Copyright (C) 2002-2005, and GNU GPL'd, by Julian Seward et al.
==30511== Using valgrind-2.4.0, a program supervision framework for
x86-linux.
==30511== Copyright (C) 2000-2005, and GNU GPL'd, by Julian Seward et al.
==30511== For more details, rerun with: -v
==30511==
==30511== Invalid read of size 4
==30511==    at 0x1B990FFA: onig_free_body (regcomp.c:4571)
==30511==    by 0x1B9910C5: onig_free (regcomp.c:4587)
==30511==    by 0x1B9516D0: obj_free (gc.c:1165)
==30511==    by 0x1B951537: gc_sweep (gc.c:1053)
==30511==    by 0x1B951AEB: garbage_collect (gc.c:1399)
==30511==    by 0x1B9504A8: rb_newobj (gc.c:393)
==30511==    by 0x1B9A4EC8: str_alloc (string.c:67)
==30511==    by 0x1B9A4F4B: str_new (string.c:89)
==30511==    by 0x1B9A4FE1: rb_str_new (string.c:105)
==30511==    by 0x1B92CFA8: rb_exc_new (error.c:323)
==30511==    by 0x1B92D014: rb_exc_new2 (error.c:331)
==30511==    by 0x1B92FA7A: err_append (error.c:1615)
==30511==  Address 0x1BDBAFE0 is 0 bytes inside a block of size 384 free'd
==30511==    at 0x1B904B04: free (vg_replace_malloc.c:152)
==30511==    by 0x1B950146: ruby_xfree (gc.c:178)
==30511==    by 0x1B9910CD: onig_free (regcomp.c:4588)
==30511==    by 0x1B986D2A: make_regexp (re.c:661)
==30511==    by 0x1B988101: rb_reg_initialize (re.c:1415)
==30511==    by 0x1B9882DE: rb_reg_compile (re.c:1460)
==30511==    by 0x1B9766D2: parser_yyparse (parse.y:3551)
==30511==    by 0x1B977A74: yycompile (parse.y:4480)
==30511==    by 0x1B977D81: rb_compile_string (parse.y:4558)
==30511==    by 0x1B93C8EA: compile (eval.c:6166)
==30511==    by 0x1B93CE68: eval (eval.c:6247)
==30511==    by 0x1B93D191: rb_f_eval (eval.c:6366)
==30511==
==30511== Invalid free() / delete / delete[]
==30511==    at 0x1B904B04: free (vg_replace_malloc.c:152)
==30511==    by 0x1B950146: ruby_xfree (gc.c:178)
==30511==    by 0x1B991097: onig_free_body (regcomp.c:4581)
==30511==    by 0x1B9910C5: onig_free (regcomp.c:4587)
==30511==    by 0x1B9516D0: obj_free (gc.c:1165)
==30511==    by 0x1B951537: gc_sweep (gc.c:1053)
==30511==    by 0x1B951AEB: garbage_collect (gc.c:1399)
==30511==    by 0x1B9504A8: rb_newobj (gc.c:393)
==30511==    by 0x1B9A4EC8: str_alloc (string.c:67)
==30511==    by 0x1B9A4F4B: str_new (string.c:89)
==30511==    by 0x1B9A4FE1: rb_str_new (string.c:105)
==30511==    by 0x1B92CFA8: rb_exc_new (error.c:323)
==30511==  Address 0x1BDBB190 is 0 bytes inside a block of size 134 free'd
==30511==    at 0x1B904B04: free (vg_replace_malloc.c:152)
==30511==    by 0x1B950146: ruby_xfree (gc.c:178)
==30511==    by 0x1B991097: onig_free_body (regcomp.c:4581)
==30511==    by 0x1B9910C5: onig_free (regcomp.c:4587)
==30511==    by 0x1B986D2A: make_regexp (re.c:661)
==30511==    by 0x1B988101: rb_reg_initialize (re.c:1415)
==30511==    by 0x1B9882DE: rb_reg_compile (re.c:1460)
==30511==    by 0x1B9766D2: parser_yyparse (parse.y:3551)
==30511==    by 0x1B977A74: yycompile (parse.y:4480)
==30511==    by 0x1B977D81: rb_compile_string (parse.y:4558)
==30511==    by 0x1B93C8EA: compile (eval.c:6166)
==30511==    by 0x1B93CE68: eval (eval.c:6247)

-- 
前田 修吾

--------------030201040008010204030503
Content-Type: text/plain;
 name="test.rb"
Content-Transfer-Encoding: base64
Content-Disposition: inline;
 filename="test.rb"

cyA9IDw8RU9GCmZvbygoaCBAeCA9PgogICAgPC9kaXY+CiAgICA8ZGl2PgogICAgICA8ZGl2
PgogICAgICAgIDwlPSBiYXIgKS50b19zKTsgYmF6ICJcbiIKcXV1eCAiPC9kaXY+XG4iCkVP
RgoxMDAwLnRpbWVzIGRvCiAgYmVnaW4KICAgIGV2YWwocykKICByZXNjdWUgU3ludGF4RXJy
b3IKICBlbmQKZW5kCg==
--------------030201040008010204030503--