[ruby-core:20940] [Bug #633] dl segfaults on x86_64-linux systems

Issue #633 has been updated by Ed Borasky.


I'm still seeing a segfault in r21112:

which ruby
/home/znmeb/test/bin/ruby
ruby --version
ruby 1.9.1 (2008-12-28 patchlevel-5000 trunk 21112) [x86_64-linux]
cd ruby/ext/dl/test/
ruby test_all.rb 2>&1 | tee ~/Packages/ruby-segfault.log
Loaded suite test_all
Started
...........F./home/znmeb/test/lib/ruby/1.9.1/dl/func.rb:31: [BUG] Segmentation fault
ruby 1.9.1 (2008-12-28 patchlevel-5000 trunk 21112) [x86_64-linux]

-- control frame ----------
c:0015 p:---- s:0063 b:0063 l:000062 d:000062 CFUNC  :call
c:0014 p:0053 s:0059 b:0059 l:000058 d:000058 METHOD /home/znmeb/test/lib/ruby/1.9.1/dl/func.rb:31
c:0013 p:0073 s:0052 b:0052 l:000051 d:000051 METHOD /home/znmeb/Packages/ruby/ext/dl/test/test_func.rb:18
c:0012 p:0041 s:0045 b:0045 l:000044 d:000044 METHOD /home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:436
c:0011 p:0096 s:0039 b:0039 l:000019 d:000038 BLOCK  /home/znmeb/test/lib/ruby/1.9.1/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  /home/znmeb/test/lib/ruby/1.9.1/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 /home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:408
c:0004 p:0153 s:0015 b:0015 l:000014 d:000014 METHOD /home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:388
c:0003 p:0040 s:0007 b:0007 l:000dd8 d:000006 BLOCK  /home/znmeb/test/lib/ruby/1.9.1/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:000bc8 d:000bc8 TOP   
---------------------------
-- Ruby level backtrace information-----------------------------------------
/home/znmeb/test/lib/ruby/1.9.1/dl/func.rb:31:in `call'
/home/znmeb/test/lib/ruby/1.9.1/dl/func.rb:31:in `call'
/home/znmeb/Packages/ruby/ext/dl/test/test_func.rb:18:in `test_isdigit'
/home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:436:in `run'
/home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:415:in `block (2 levels) in run_test_suites'
/home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:409:in `each'
/home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:409:in `block in run_test_suites'
/home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:408:in `each'
/home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:408:in `run_test_suites'
/home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:388:in `run'
/home/znmeb/test/lib/ruby/1.9.1/minitest/unit.rb:329:in `block in autorun'

-- C level backtrace information -------------------------------------------
0x51ba89 ruby(rb_vm_bugreport+0x179) [0x51ba89]
0x54fb3a ruby [0x54fb3a]
0x54fc47 ruby(rb_bug+0xf1) [0x54fc47]
0x4af46b ruby [0x4af46b]
0x7f9499593a90 /lib64/libpthread.so.0 [0x7f9499593a90]
0x7f94989b75fe /lib64/libc.so.6(isdigit+0x1e) [0x7f94989b75fe]
0x7f94982d0fc3 /home/znmeb/test/lib/ruby/1.9.1/x86_64-linux/dl.so(rb_dlcfunc_call+0x3fb8) [0x7f94982d0fc3]
0x5104a5 ruby [0x5104a5]
0x5102cc ruby [0x5102cc]
0x50fa9e ruby [0x50fa9e]
0x50b382 ruby [0x50b382]
0x5186b9 ruby [0x5186b9]
0x5173f7 ruby [0x5173f7]
0x51747e ruby [0x51747e]
0x51452c ruby [0x51452c]
0x5144fd ruby(rb_yield+0x39) [0x5144fd]
0x52c46b ruby(rb_ary_each+0x8a) [0x52c46b]
0x510486 ruby [0x510486]
0x5102cc ruby [0x5102cc]
0x50fa9e ruby [0x50fa9e]
0x50b382 ruby [0x50b382]
0x5186b9 ruby [0x5186b9]
0x5173f7 ruby [0x5173f7]
0x51747e ruby [0x51747e]
0x51452c ruby [0x51452c]
0x5144fd ruby(rb_yield+0x39) [0x5144fd]
0x52c46b ruby(rb_ary_each+0x8a) [0x52c46b]
0x510486 ruby [0x510486]
0x5102cc ruby [0x5102cc]
0x50fa9e ruby [0x50fa9e]
0x50b382 ruby [0x50b382]
0x5186b9 ruby [0x5186b9]
0x5173f7 ruby [0x5173f7]
0x51758c ruby(vm_invoke_proc+0x10c) [0x51758c]
0x41de07 ruby(rb_proc_call+0x9f) [0x41de07]
0x41ac69 ruby(rb_call_end_proc+0x1d) [0x41ac69]
0x41af8c ruby(rb_exec_end_proc+0x1b3) [0x41af8c]
0x41b24f ruby [0x41b24f]
0x41b33a ruby(ruby_cleanup+0xaf) [0x41b33a]
0x41b670 ruby(ruby_run_node+0x73) [0x41b670]
0x419e7b ruby(main+0x4f) [0x419e7b]
0x7f94989aa586 /lib64/libc.so.6(__libc_start_main+0xe6) [0x7f94989aa586]
0x419d69 ruby [0x419d69]

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

cd ~/Packages
znmeb@DreamScape:~/Packages> 


I'll do a C-level backtrace and see if it's in the same place.
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http://redmine.ruby-lang.org/issues/show/633

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