[ruby-dev:25187] OpenSSL::Digest::Digest.new dumps core

次のようにすると core を吐きます。

% ./ruby -ropenssl -e 'OpenSSL::Digest::Digest.new("a" * 0x20000)'
-e:1: [BUG] Segmentation fault
ruby 1.9.0 (2004-12-13) [i686-linux]

zsh: abort (core dumped)  ./ruby -ropenssl -e 'OpenSSL::Digest::Digest.new("a" * 0x20000)'
% 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 -ropenssl -e OpenSSL::Digest::Digest.new("a" * 0x20000)'.
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/head-ruby/lib/ruby/1.9/i686-linux/openssl.so...done.
Loaded symbols for /home/akr/ruby/head-ruby/lib/ruby/1.9/i686-linux/openssl.so
Reading symbols from /usr/lib/i686/cmov/libssl.so.0.9.7...done.
Loaded symbols for /usr/lib/i686/cmov/libssl.so.0.9.7
Reading symbols from /usr/lib/i686/cmov/libcrypto.so.0.9.7...done.
Loaded symbols for /usr/lib/i686/cmov/libcrypto.so.0.9.7
#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  0x080d58d6 in rb_bug (fmt=0x0) at error.c:214
#4  0x080b28a2 in sigsegv (sig=11) at signal.c:446
#5  <signal handler called>
#6  0x400dc207 in vsnprintf () from /lib/libc.so.6
#7  0x400c4884 in snprintf () from /lib/libc.so.6
#8  0x401e710f in ossl_raise (exc=4294844383, fmt=0x4020a3c0 "Unsupported digest algorithm (%s).") at ossl.c:288
#9  0x401f0285 in ossl_digest_initialize (argc=-122913, argv=0xfffe1fdf, self=1075501436) at ossl_digest.c:96
#10 0x0806adba in call_cfunc (func=0x401f0190 <ossl_digest_initialize>, recv=1075501436, len=-72515584, argc=-1, 
    argv=0xbffff178) at eval.c:5418
#11 0x0805ea42 in rb_call0 (klass=1075603196, recv=1075501436, id=2969, oid=4294844383, argc=1, argv=0xbffff178, 
    body=0x401c6648, nosuper=0) at eval.c:5559
#12 0x0805ed08 in rb_call (klass=1075603196, recv=1075501436, mid=2969, argc=1, argv=0xbffff178, scope=1) at eval.c:5781
#13 0x0805f26a in rb_funcall2 (recv=4222451712, mid=4294844383, argc=-122913, argv=0xfffe1fdf) at ruby.h:635
#14 0x08061a78 in rb_obj_call_init (obj=4294844383, argc=-122913, argv=0xfffe1fdf) at eval.c:7245
#15 0x080884cc in rb_class_new_instance (argc=-122913, argv=0xfffe1fdf, klass=4294844383) at object.c:1564
#16 0x0806adba in call_cfunc (func=0x80884a0 <rb_class_new_instance>, recv=1075603196, len=-72515584, argc=-1, 
    argv=0xbffff178) at eval.c:5418
#17 0x0805ea42 in rb_call0 (klass=1075678456, recv=1075603196, id=3377, oid=4294844383, argc=1, argv=0xbffff178, 
    body=0x401d7aec, nosuper=0) at eval.c:5559
#18 0x0805ed08 in rb_call (klass=1075678456, recv=1075603196, mid=3377, argc=1, argv=0xbffff178, scope=0) at eval.c:5781
#19 0x0805982a in rb_eval (self=1075673536, n=0xfffe1fdf) at ruby.h:635
#20 0x08055dfd in ruby_exec_internal () at eval.c:1470
#21 0x08055e16 in ruby_exec () at eval.c:1488
#22 0x08055e60 in ruby_run () at eval.c:1505
#23 0x08053e65 in main (argc=-122913, argv=0xfffe1fdf, envp=0xbffff958) at main.c:38
(gdb) 
-- 
[田中 哲][たなか あきら][Tanaka Akira]