ruby-dev

ごとけんです

FreeBSD ですが、以下で n を適当に大きくすると落ちます。

('a'*n).scan(/(a*)\1/)

バックトレースだけつけときます。

あと、(' '*5000000).scan(/.*\1/) を止めそこなってマシン自体
が1時間程なにも言うことを聞いてくれなくなってしまいました。
メモリ32Mスワップ69という構成が事態を悪化させたかも…

-- gotoken

Program received signal SIGSEGV, Segmentation fault.
0x490f2 in ruby_re_match (bufp=0xb2200, 
    string_arg=0xcd000 'a' <repeats 200 times>..., size=245760, pos=0, 
    regs=0xcab60) at regex.c:3705
3705          PUSH_FAILURE_POINT(p + mcnt, d);
(gdb) bt
#0  0x490f2 in ruby_re_match (bufp=0xb2200, 
    string_arg=0xcd000 'a' <repeats 200 times>..., size=245760, pos=0, 
    regs=0xcab60) at regex.c:3705
#1  0x48381 in ruby_re_search (bufp=0xb2200, 
    string=0xcd000 'a' <repeats 200 times>..., size=245760, startpos=0, 
    range=245760, regs=0xcab60) at regex.c:3060
#2  0x3f644 in rb_reg_search (reg=657924, str=657744, pos=0, reverse=0)
    at re.c:553
#3  0x5357c in scan_once (str=657744, pat=657924, start=0xefbfd210)
    at string.c:2389
#4  0x5365a in rb_str_scan (str=657744, pat=657924) at string.c:2425
#5  0x9109 in call_cfunc (func=0x53620 <rb_str_scan>, recv=657744, len=1, 
    argc=1, argv=0xefbfd340) at eval.c:3731
#6  0x95e2 in rb_call0 (klass=700044, recv=657744, id=4081, argc=1, 
    argv=0xefbfd340, body=0xaa61c, nosuper=1) at eval.c:3864
#7  0x9c78 in rb_call (klass=700044, recv=657744, mid=4081, argc=1, 
    argv=0xefbfd340, scope=0) at eval.c:4060
#8  0x59d4 in rb_eval (self=704204, node=0xa09c8) at eval.c:2234
#9  0x2950 in eval_node (self=704204) at eval.c:1012
#10 0x2abc in ruby_run () at eval.c:1048
#11 0x1611 in main (argc=2, argv=0xefbfd67c, envp=0xefbfd688) at main.c:39
(gdb)

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[#9052] bang method returns string always — WATANABE Hirofumi <eban@...>

[#9056] no bang method returns original string — Koji Arai <JCA02266@...>

[#9063] argument to block for pipe_open() — nobu.nakada@...

[#9067] (ruby/socket) bug? — Kentaro Inagaki / 稲垣 健太郎 <inagaki@...>

[#9068] ruby_lib/foo/bar and Foo::Bar (Re: [ruby-list:20368]) — Wakou Aoyama <wakou@...>

[#9085] xmalloc() in Windows — "Shigeo Kobayashi" <shigeo@...>

[#9095] Re: ruby_lib/foo/bar and Foo::Bar (Re: ) — Minero Aoki <aamine@...>

[#9125] += — gotoken@... (GOTO Kentaro)

[#9133] ruby-1.4.3 memory leak — Koji Oda <oda@...1.qnes.nec.co.jp>

[#9134] Re: site_ruby — gotoken@... (GOTO Kentaro)

[#9153] [BUG] longstr.scan(/(a*)\1/) — gotoken@... (GOTO Kentaro)

[#9160] Re: lib/subdirectory — gotoken@... (GOTO Kentaro)

[#9188] Ruby 1.5.2 and irb — Katsuyuki Komatsu <komatsu@...>

[#9190] %w() bug? — Wakou Aoyama <wakou@...>

[#9191] 1.4cvs shared PREFIX bug? — Wakou Aoyama <wakou@...>

[#9195] 1.4cvs lib/irb, lib/cgi — Wakou Aoyama <wakou@...>

[#9197] mod_ruby (rb_ary_freeze --> rb_obj_freeze) — Wakou Aoyama <wakou@...>

[#9198] secure — Wakou Aoyama <wakou@...>

[#9230] \G in index (Re: [ruby-list:20578] Re: エスケープされていないものだけを置換) — IWAMURO Motonori <iwa@...>

[#9242] ColorSet Module for Gdk — Jun Adachi <adachi@...>

[#9245] ruby 1.5.2 (2000-02-17) — WATANABE Hirofumi <Hirofumi.Watanabe@...>

[#9261] getaddrinfo configuration fix — itojun@...

[#9288] [PATCH] mswin32: ruby.h, win32/ruby.def for Ruby 1.5.2 — Katsuyuki Komatsu <komatsu@...>

[#9289] configure fail on libc5 linux — Minero Aoki <aamine@...>

[#9290] [fix] String#* with huge string — EGUCHI Osamu <eguchi@...>

[#9297] GC Problem ? — "Shigeo Kobayashi" <shigeo@...>

[#9323] 代入 — ta-ka-si@...

[ruby-dev:9153] [BUG] longstr.scan(/(a*)\1/)

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[#9067] (ruby/socket) bug? — Kentaro Inagaki / 稲垣健太郎 <inagaki@...>