$ make test-all TESTS=openssl/test_pkcs7.rb
./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb  ./runruby.rb --extout=.ext  -- "./test/runner.rb" openssl/test_pkcs7.rb
Loaded suite ./test/runner
Started
/tmp/ruby-1.9.1-p376/test/openssl/test_pkcs7.rb:104: [BUG] Segmentation fault
ruby 1.9.1p376 (2009-12-07) [x86_64-linux]

-- control frame ----------
c:0015 p:---- s:0062 b:0062 l:000061 d:000061 CFUNC  :initialize
c:0014 p:---- s:0060 b:0060 l:000059 d:000059 CFUNC  :new
c:0013 p:0021 s:0057 b:0057 l:000056 d:000056 METHOD /tmp/ruby-1.9.1-p376/test/openssl/test_pkcs7.rb:104
c:0012 p:0041 s:0045 b:0045 l:000044 d:000044 METHOD /tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:436
c:0011 p:0096 s:0039 b:0039 l:000019 d:000038 BLOCK  /tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:415
c:0010 p:---- s:0033 b:0033 l:000032 d:000032 FINISH
c:0009 p:---- s:0031 b:0031 l:000030 d:000030 CFUNC  :each
c:0008 p:0026 s:0028 b:0028 l:000019 d:000027 BLOCK  /tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:409
c:0007 p:---- s:0025 b:0025 l:000024 d:000024 FINISH
c:0006 p:---- s:0023 b:0023 l:000022 d:000022 CFUNC  :each
c:0005 p:0080 s:0020 b:0020 l:000019 d:000019 METHOD /tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:408
c:0004 p:0153 s:0015 b:0015 l:000014 d:000014 METHOD /tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:388
c:0003 p:0041 s:0007 b:0007 l:000a28 d:000006 BLOCK  /tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:329
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:001be8 d:001be8 TOP   
---------------------------
-- Ruby level backtrace information-----------------------------------------
/tmp/ruby-1.9.1-p376/test/openssl/test_pkcs7.rb:104:in `initialize'
/tmp/ruby-1.9.1-p376/test/openssl/test_pkcs7.rb:104:in `new'
/tmp/ruby-1.9.1-p376/test/openssl/test_pkcs7.rb:104:in `test_detached_sign'
/tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:436:in `run'
/tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:415:in `block (2 levels) in run_test_suites'
/tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:409:in `each'
/tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:409:in `block in run_test_suites'
/tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:408:in `each'
/tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:408:in `run_test_suites'
/tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:388:in `run'
/tmp/ruby-1.9.1-p376/lib/minitest/unit.rb:329:in `block in autorun'

-- C level backtrace information -------------------------------------------
0x4d8751 ./ruby(rb_vm_bugreport+0x41) [0x4d8751]
0x503d0e ./ruby [0x503d0e]
0x503e71 ./ruby(rb_bug+0xb1) [0x503e71]
0x48c47f ./ruby [0x48c47f]
0x362ce0e930 /lib64/libpthread.so.0 [0x362ce0e930]
0x363587e0ea /lib64/libcrypto.so.6(sk_num+0xa) [0x363587e0ea]
0x363585b052 /lib64/libcrypto.so.6(CRYPTO_set_ex_data+0x22) [0x363585b052]
0x2aaaaaeddb08 /tmp/ruby-1.9.1-p376/.ext/x86_64-linux/openssl.so [0x2aaaaaeddb08]
0x2aaaaaeddb82 /tmp/ruby-1.9.1-p376/.ext/x86_64-linux/openssl.so [0x2aaaaaeddb82]
0x4d42b5 ./ruby [0x4d42b5]
0x4cba6a ./ruby(rb_funcall2+0x13a) [0x4cba6a]
0x43ca02 ./ruby(rb_class_new_instance+0x32) [0x43ca02]
0x4cb0b0 ./ruby [0x4cb0b0]
0x4cc0d0 ./ruby [0x4cc0d0]
0x4ce820 ./ruby [0x4ce820]
0x4d227a ./ruby [0x4d227a]
0x4d286c ./ruby [0x4d286c]
0x4d30f4 ./ruby(rb_yield+0x44) [0x4d30f4]
0x4e293c ./ruby(rb_ary_each+0x3c) [0x4e293c]
0x4cb0b0 ./ruby [0x4cb0b0]
0x4cc0d0 ./ruby [0x4cc0d0]
0x4ce820 ./ruby [0x4ce820]
0x4d227a ./ruby [0x4d227a]
0x4d286c ./ruby [0x4d286c]
0x4d30f4 ./ruby(rb_yield+0x44) [0x4d30f4]
0x4e293c ./ruby(rb_ary_each+0x3c) [0x4e293c]
0x4cb0b0 ./ruby [0x4cb0b0]
0x4cc0d0 ./ruby [0x4cc0d0]
0x4ce820 ./ruby [0x4ce820]
0x4d227a ./ruby [0x4d227a]
0x4d286c ./ruby [0x4d286c]
0x4d2d22 ./ruby(rb_vm_invoke_proc+0xb2) [0x4d2d22]
0x41792f ./ruby(rb_exec_end_proc+0x13f) [0x41792f]
0x417a44 ./ruby [0x417a44]
0x417afe ./ruby(ruby_cleanup+0x9e) [0x417afe]
0x417cea ./ruby(ruby_run_node+0x3a) [0x417cea]
0x4156bd ./ruby(main+0x4d) [0x4156bd]
0x362c21d994 /lib64/libc.so.6(__libc_start_main+0xf4) [0x362c21d994]
0x4155b9 ./ruby [0x4155b9]

[NOTE]
You may encounter a bug of Ruby interpreter. Bug reports are welcome.
For details: http://www.ruby-lang.org/bugreport.html

make: *** [test-all] Aborted