[ruby-dev:25971] Re: [ruby-cvs] ruby, ruby/ext/openssl: * ext/openssl/ossl_engine.c (ossl_engine_s_load): should not raise

In article <[e-mail]>,
  [e-mail] (gotoyuzo) writes:

> gotoyuzo    Thu, 31 Mar 2005 06:00:47 +0900

>     * ext/openssl/ossl_engine.c (ossl_engine_s_load): should not raise
>       error even if the specified engine could not be loaded. (Dynamic
>       engines don't have fixed name to load.)

>   1.6         +2   -2    ruby/ext/openssl/ossl_engine.c
>     http://www.ruby-lang.org/cgi-bin/cvsweb.cgi/ruby/ext/openssl/ossl_engine.c?cvsroot=src&r1=1.5&r2=1.6

最近 warn を数えているのですが、今朝ひとつ増えたのでしらべたところ、次
のように Segmentation fault できるようになったようです。

% ./ruby -ropenssl -e 'p OpenSSL::Engine.load("a")'
-e:1: [BUG] Segmentation fault
ruby 1.9.0 (2005-03-31) [i686-linux]

zsh: abort (core dumped)  ./ruby -ropenssl -e 'p OpenSSL::Engine.load("a")'
% gdb ruby core 
GNU gdb 6.3-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 p OpenSSL::Engine.load("a")'.
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
Reading symbols from /home/akr/ruby/head-ruby/lib/ruby/1.9/i686-linux/fcntl.so...done.
Loaded symbols for /home/akr/ruby/head-ruby/lib/ruby/1.9/i686-linux/fcntl.so
#0  0x4009e741 in kill () from /lib/libc.so.6
(gdb) bt
#0  0x4009e741 in kill () from /lib/libc.so.6
#1  0x4009e4c5 in raise () from /lib/libc.so.6
#2  0x4009fa08 in abort () from /lib/libc.so.6
#3  0x080de926 in rb_bug (fmt=0x0) at error.c:214
#4  0x080bb8c2 in sigsegv (sig=11) at signal.c:531
#5  <signal handler called>
#6  0x08054618 in search_method (klass=543712117, id=3153, origin=0xbfffee74) at eval.c:380
#7  0x08054679 in rb_get_method_body (klassp=0xbfffeed0, idp=0xbfffeeb4, noexp=0xbfffeeb8) at eval.c:401
#8  0x0805f10a in rb_call (klass=543712117, recv=1075883800, mid=3153, argc=0, argv=0x0, scope=1) at eval.c:5888
#9  0x0805f534 in rb_funcall (recv=1075883800, mid=0, n=0) at ruby.h:635
#10 0x08088566 in rb_inspect (obj=0) at object.c:315
#11 0x0807c061 in rb_p (obj=0) at io.c:3794
#12 0x0807c112 in rb_f_p (argc=1, argv=0xbffff188) at io.c:3823
#13 0x0806bbda in call_cfunc (func=0x807c0a0 <rb_f_p>, recv=1075673616, len=-1073746224, argc=135296872, argv=0xbffff188)
    at eval.c:5546
#14 0x0805eef9 in rb_call0 (klass=1075678356, recv=1075673616, id=7417, oid=0, argc=1, argv=0xbffff188, body=0x401cea14, 
    nosuper=0) at eval.c:5688
#15 0x0805f1b8 in rb_call (klass=1075678356, recv=1075673616, mid=7417, argc=1, argv=0xbffff188, scope=1) at eval.c:5912
#16 0x08059810 in rb_eval (self=1075673616, n=0x0) at ruby.h:635
#17 0x08055eb6 in ruby_exec_internal () at eval.c:1529
#18 0x08055ed6 in ruby_exec () at eval.c:1550
#19 0x08055f20 in ruby_run () at eval.c:1567
#20 0x08053ea5 in main (argc=0, argv=0x0, envp=0xbffff978) at main.c:38
(gdb) 
-- 
[田中 哲][たなか あきら][Tanaka Akira]