ruby-dev

次のようにすると core を吐きます。

% ./ruby -rzlib -e '
s = (1..100000).to_a.join()
d = Zlib::Deflate.new
Thread.new { Thread.pass;
  p s.length;
  o = d.flush_next_in
  class << o
  end
}
d.deflate(s)
'
488895
-e:7: [BUG] Segmentation fault
ruby 1.8.2 (2004-10-27) [i686-linux]

zsh: abort (core dumped)  ./ruby -rzlib -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 -rzlib -e 
s = (1..100000).to_a.join()
d = Zlib::Deflate.new
Thread.new'.
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
Reading symbols from /home/akr/ruby/tmp-ruby/1.8/lib/ruby/1.8/i686-linux/zlib.so...done.
Loaded symbols for /home/akr/ruby/tmp-ruby/1.8/lib/ruby/1.8/i686-linux/zlib.so
Reading symbols from /usr/lib/libz.so.1...done.
Loaded symbols for /usr/lib/libz.so.1
#0  0x4009e6b1 in kill () from /lib/libc.so.6
(gdb) bt
#0  0x4009e6b1 in kill () from /lib/libc.so.6
#1  0x4009e435 in raise () from /lib/libc.so.6
#2  0x4009f978 in abort () from /lib/libc.so.6
#3  0x080cbca6 in rb_bug (fmt=0x0) at error.c:214
#4  0x080ab592 in sigsegv (sig=11) at signal.c:446
#5  <signal handler called>
#6  0x080c65c3 in rb_make_metaclass (obj=1075488036, super=0) at class.c:158
#7  0x080c768c in rb_singleton_class (obj=1075488036) at class.c:873
#8  0x08058cfd in rb_eval (self=1075673536, n=0x0) at eval.c:3868
#9  0x0805a679 in rb_yield_0 (val=1075488136, self=1075673536, klass=1075603876, flags=1, avalue=2) at eval.c:4731
#10 0x080664af in rb_thread_yield (arg=0, th=0x8144ea8) at eval.c:11460
#11 0x0806633c in rb_thread_start_0 (fn=0x8066400 <rb_thread_yield>, arg=0x401aa588, th=0x8144ea8) at eval.c:11374
#12 0x08066591 in rb_thread_initialize (thread=0, args=0) at eval.c:11526
#13 0x08068022 in call_cfunc (func=0x8066560 <rb_thread_initialize>, recv=1075488156, len=0, argc=135449832, argv=0x0)
    at eval.c:5385
#14 0x0805c0c2 in rb_call0 (klass=1075662736, recv=1075488156, id=2961, oid=0, argc=0, argv=0x0, body=0x401d4f2c, 
    nosuper=0) at eval.c:5523
#15 0x0805c918 in rb_call (klass=1075662736, recv=1075488156, mid=2961, argc=0, argv=0x0, scope=1) at eval.c:5744
#16 0x0805ccce in rb_funcall2 (recv=0, mid=0, argc=0, argv=0x0) at ruby.h:631
#17 0x0805f3d8 in rb_obj_call_init (obj=0, argc=0, argv=0x0) at eval.c:7173
#18 0x08066515 in rb_thread_s_new (argc=0, argv=0x0, klass=1075662736) at eval.c:11491
#19 0x0806804a in call_cfunc (func=0x80664e0 <rb_thread_s_new>, recv=1075662736, len=0, argc=135449832, argv=0x0)
    at eval.c:5388
#20 0x0805c0c2 in rb_call0 (klass=1075662716, recv=1075662736, id=3369, oid=0, argc=0, argv=0x0, body=0x401d4f54, 
    nosuper=0) at eval.c:5523
#21 0x0805c918 in rb_call (klass=1075662716, recv=1075662736, mid=3369, argc=0, argv=0x0, scope=0) at eval.c:5744
#22 0x08057af0 in rb_eval (self=1075673536, n=0x0) at ruby.h:631
#23 0x08056eda in rb_eval (self=1075673536, n=0x0) at eval.c:2962
#24 0x08053f7d in ruby_exec_internal () at eval.c:1455
#25 0x08053fb6 in ruby_exec () at eval.c:1475
#26 0x08053fe0 in ruby_run () at eval.c:1485
#27 0x08052145 in main (argc=0, argv=0x0, envp=0xbffff8e8) at main.c:50
(gdb) 
-- 
[田中 哲][たなか あきら][Tanaka Akira]

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