ruby-dev

次のようにすると core を吐きます。

% ./ruby -e '
h = Hash[*(1..100).map {|i| [i]}]
class << h[[3]]; self end.send(:define_method, :marshal_dump) {
  h.clear
  10000.times {|i| i.to_s }
}
p Marshal.dump(h)
'
-e:7: [BUG] Segmentation fault
ruby 1.9.0 (2004-09-24) [i686-linux]

zsh: abort (core dumped)  ./ruby -e 
% 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/libthread_db.so.1".

Core was generated by `./ruby -e 
h = Hash[*(1..100).map {|i| [i]}]
class << h[[3]]; self end.send(:de'.
Program terminated with signal 6, Aborted.
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
#0  0x4009e721 in kill () from /lib/libc.so.6
(gdb) bt
#0  0x4009e721 in kill () from /lib/libc.so.6
#1  0x4009e4c5 in raise () from /lib/libc.so.6
#2  0x4009f9e8 in abort () from /lib/libc.so.6
#3  0x080d1c66 in rb_bug (fmt=0x0) at error.c:214
#4  0x080afce2 in sigsegv (sig=11) at signal.c:446
#5  <signal handler called>
#6  0x08054048 in search_method (klass=65, id=10097, origin=0xbfffe594) at eval.c:380
#7  0x080540a9 in rb_get_method_body (klassp=0xbfffe5d0, idp=0xbfffe5d4, noexp=0xbfffe5bc) at eval.c:401
#8  0x0805463e in rb_method_boundp (klass=65, id=10097, ex=0) at eval.c:593
#9  0x0805b185 in rb_respond_to (obj=0, id=0) at ruby.h:635
#10 0x0807e5ba in w_object (obj=135503056, arg=0xbfffe860, limit=-3) at marshal.c:504
#11 0x0807e175 in hash_each (key=0, value=0, arg=0xbfffe6d0) at marshal.c:363
#12 0x080b2b2d in st_foreach (table=0x813a788, func=0x807e150 <hash_each>, arg=3221219024) at st.c:495
#13 0x0807e8ed in w_object (obj=1075603796, arg=0xbfffe860, limit=-2) at marshal.c:624
#14 0x0807ec84 in dump (arg=0xbfffe850) at marshal.c:684
#15 0x0805d429 in rb_ensure (b_proc=0x807ec60 <dump>, data1=3221219408, e_proc=0x807ecc0 <dump_ensure>, data2=3221219424)
    at eval.c:5177
#16 0x0807ee36 in marshal_dump (argc=-1073747872, argv=0x0) at marshal.c:779
#17 0x08069e0a in call_cfunc (func=0x807ed10 <marshal_dump>, recv=1075609676, len=-1073748528, argc=135293144, 
    argv=0xbfffead8) at eval.c:5368
#18 0x0805e0a7 in rb_call0 (klass=1075609616, recv=1075609676, id=4401, oid=0, argc=1, argv=0xbfffead8, body=0x401c7ffc, 
    nosuper=0) at eval.c:5508
#19 0x0805e358 in rb_call (klass=1075609616, recv=1075609676, mid=4401, argc=1, argv=0xbfffead8, scope=0) at eval.c:5729
#20 0x08059288 in rb_eval (self=1075673496, n=0x0) at ruby.h:635
#21 0x080595b8 in rb_eval (self=1075673496, n=0x0) at ruby.h:664
#22 0x0805581b in ruby_exec () at eval.c:1458
#23 0x08055860 in ruby_run () at eval.c:1484
#24 0x08053925 in main (argc=0, argv=0x0, envp=0xbffff904) at main.c:38
(gdb) 
-- 
[田中 哲][たなか あきら][Tanaka Akira]

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