From: Tanaka Akira <akr@...>
Date: 2007-12-04T15:29:09+09:00
Subject: [ruby-dev:32448] SEGV on "abcd\xf0".force_encoding("utf-8").reverse

以下のようにすると SEGV します。

% ./ruby -ve 'p "abcd\xf0".force_encoding("utf-8").reverse'
ruby 1.9.0 (2007-12-04 patchlevel 0) [i686-linux]
-e:1: -- control frame ----------
c:0004 p:---- s:0009 b:0009 l:000008 d:000008 CFUNC  :p
c:0003 p:0023 s:0005 b:0005 l:000004 d:000004 TOP    -e:1
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:1:in `<main>'"
-- backtrace of native function call (Use addr2line) --
0x8102232
0x812141c
0x81214bb
0x80ca351
0xb7f23440
0x8058f8d
0x805c6e5
0x805c92b
0x805cb9d
0x807e8cb
0x806fb90
0x806fbec
0x80f8361
0x80ffc66
0x80ff7da
0x80fc1a1
0x80ffe3f
0x8100484
0x805aadd
0x805ab8c
0x8057d74
0xb7d84ea8
0x8057c91
-------------------------------------------------------
[BUG] Segmentation fault
ruby 1.9.0 (2007-12-04) [i686-linux]
-- 
[田中 哲][たなか あきら][Tanaka Akira]