From: Tanaka Akira <akr@...17n.org>
Date: 2004-09-25T11:08:02+09:00
Subject: [ruby-dev:24341] Array#* dumps core

次のようにすると core を吐きます。

Z:akr@boron% for i in {6300..7000}
do
echo $i
./ruby -e '
def fin(&block) ObjectSpace.define_finalizer(Object.new, &block) end
x = (1..10).to_a
fin { x.replace Array.new(100000) }
'$i'.times { Object.new }
Object.new
x * 10' || break
done
6300
6301
...
6462
6463
-e:7: [BUG] Segmentation fault
ruby 1.9.0 (2004-09-24) [i686-linux]

Z:akr@boron% gdb ruby core
GNU gdb 6.1-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/libthread_db.so.1".

Core was generated by `./ruby -e 
def fin(&block) ObjectSpace.define_finalizer(Object.new, &block) end'.
Program terminated with signal 6, Aborted.

warning: current_sos: Can't read pathname for load map: Input/output error

Reading symbols from /lib/tls/libdl.so.2...Reading symbols from /usr/lib/debug//lib/tls/libdl-2.3.2.so...done.
done.
Loaded symbols for /lib/tls/libdl.so.2
Reading symbols from /lib/tls/libcrypt.so.1...Reading symbols from /usr/lib/debug//lib/tls/libcrypt-2.3.2.so...done.
done.
Loaded symbols for /lib/tls/libcrypt.so.1
Reading symbols from /lib/tls/libm.so.6...Reading symbols from /usr/lib/debug//lib/tls/libm-2.3.2.so...done.
done.
Loaded symbols for /lib/tls/libm.so.6
Reading symbols from /lib/tls/libc.so.6...Reading symbols from /usr/lib/debug//lib/tls/libc-2.3.2.so...done.
done.
Loaded symbols for /lib/tls/libc.so.6
Reading symbols from /lib/ld-linux.so.2...Reading symbols from /usr/lib/debug//lib/ld-2.3.2.so...done.
done.
Loaded symbols for /lib/ld-linux.so.2
#0  0x40099ee9 in raise () from /lib/tls/libc.so.6
(gdb) bt
#0  0x40099ee9 in raise () from /lib/tls/libc.so.6
#1  0x4009b781 in abort () from /lib/tls/libc.so.6
#2  0x080d1d16 in rb_bug (fmt=0x0) at error.c:214
#3  0x080afd62 in sigsegv (sig=11) at signal.c:446
#4  <signal handler called>
#5  0x080c6576 in rb_ary_times (ary=1075624300, times=1075772264) at array.c:2494
#6  0x08069e62 in call_cfunc (func=0x80c6490 <rb_ary_times>, recv=1075624300, len=400000, argc=80840, argv=0xbffff298)
    at eval.c:5365
#7  0x0805e0a7 in rb_call0 (klass=1075664000, recv=1075624300, id=42, oid=100000, argc=1, argv=0xbffff298, 
    body=0x401d4abc, nosuper=0) at eval.c:5508
#8  0x0805e358 in rb_call (klass=1075664000, recv=1075624300, mid=42, argc=1, argv=0xbffff298, scope=0) at eval.c:5729
#9  0x08059288 in rb_eval (self=1075689880, n=0x186a0) at ruby.h:635
#10 0x0805581b in ruby_exec () at eval.c:1458
#11 0x08055860 in ruby_run () at eval.c:1484
#12 0x08053925 in main (argc=100000, argv=0x186a0, envp=0xbffffa94) at main.c:38
(gdb) 
-- 
[田中 哲][たなか あきら][Tanaka Akira]