From: Tanaka Akira <akr@...>
Date: 2007-10-09T15:28:15+09:00
Subject: [ruby-dev:31982] SEGV by permutation

以下のようにすると SEGV します。

% ./ruby -e '
ary = (1..10).to_a
ary.permutation(2) {|x|
  if x == [1,2]
    ObjectSpace.each_object(String) {|s| s.clear if s.length == 40  }
  end
}'
-e:3: -- control frame ----------
c:0004 p:---- s:0010 b:0010 l:000009 d:000009 CFUNC  :permutation
c:0003 p:0020 s:0006 b:0006 l:000005 d:000005 TOP    -e:3
c:0002 p:---- s:0003 b:0003 l:000002 d:000002 FINISH :inherited
c:0001 p:---- s:0001 b:-001 l:000000 d:000000 ------ 
---------------------------
DBG> : "-e:3:in `<main>'"
-- backtrace of native function call (Use addr2line) --
0x80f9dda
0x81170b8
0x8117157
0x80c2b29
0xb7f31420
0x8104627
0x8104888
0x80f0019
0x80f7909
0x80f7486
0x80f3e3d
0x80f7ae2
0x80f8127
0x805aafd
0x805abac
0x8057d74
0xb7d9bea8
0x8057c91
-------------------------------------------------------
[BUG] Segmentation fault
ruby 1.9.0 (2007-10-07) [i686-linux]
-- 
[田中 哲][たなか あきら][Tanaka Akira]