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@kris7t
Created October 14, 2012 15:32
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$ irb
irb(main):001:0> RUBY_VERSION
=> "1.9.3"
irb(main):002:0> Kernel.fork { Random.rand(100000) }
=> 22594
(irb):2: [BUG] Segmentation fault
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0027 p:---- s:0093 b:0093 l:000092 d:000092 CFUNC :rand
c:0026 p:0017 s:0089 b:0089 l:001218 d:000088 BLOCK (irb):2
c:0025 p:---- s:0087 b:0087 l:000086 d:000086 FINISH
c:0024 p:---- s:0085 b:0085 l:000084 d:000084 CFUNC :fork
c:0023 p:0015 s:0082 b:0082 l:001218 d:000081 EVAL (irb):2
c:0022 p:---- s:0080 b:0080 l:000079 irb(main):003:0> d:000079 FINISH
c:0021 p:---- s:0078 b:0078 l:000077 d:000077 CFUNC :eval
c:0020 p:0028 s:0071 b:0071 l:000070 d:000070 METHOD /usr/lib/ruby/1.9.1/irb/workspace.rb:80
c:0019 p:0033 s:0064 b:0063 l:000062 d:000062 METHOD /usr/lib/ruby/1.9.1/irb/context.rb:254
c:0018 p:0031 s:0058 b:0058 l:001ad8 d:000057 BLOCK /usr/lib/ruby/1.9.1/irb.rb:159
c:0017 p:0042 s:0050 b:0050 l:000049 d:000049 METHOD /usr/lib/ruby/1.9.1/irb.rb:273
c:0016 p:0011 s:0045 b:0045 l:001ad8 d:000044 BLOCK /usr/lib/ruby/1.9.1/irb.rb:156
c:0015 p:0144 s:0041 b:0041 l:000024 d:000040 BLOCK /usr/lib/ruby/1.9.1/irb/ruby-lex.rb:243
c:0014 p:---- s:0038 b:0038 l:000037 d:000037 FINISH
c:0013 p:---- s:0036 b:0036 l:000035 d:000035 CFUNC :loop
c:0012 p:0009 s:0033 b:0033 l:000024 d:000032 BLOCK /usr/lib/ruby/1.9.1/irb/ruby-lex.rb:229
c:0011 p:---- s:0031 b:0031 l:000030 d:000030 FINISH
c:0010 p:---- s:0029 b:0029 l:000028 d:000028 CFUNC :catch
c:0009 p:0023 s:0025 b:0025 l:000024 d:000024 METHOD /usr/lib/ruby/1.9.1/irb/ruby-lex.rb:228
c:0008 p:0046 s:0022 b:0022 l:001ad8 d:001ad8 METHOD /usr/lib/ruby/1.9.1/irb.rb:155
c:0007 p:0011 s:0019 b:0019 l:000468 d:000018 BLOCK /usr/lib/ruby/1.9.1/irb.rb:70
c:0006 p:---- s:0017 b:0017 l:000016 d:000016 FINISH
c:0005 p:---- s:0015 b:0015 l:000014 d:000014 CFUNC :catch
c:0004 p:0183 s:0011 b:0011 l:000468 d:000468 METHOD /usr/lib/ruby/1.9.1/irb.rb:69
c:0003 p:0039 s:0006 b:0006 l:0026b8 d:001fc8 EVAL /usr/bin/irb:12
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:0026b8 d:0026b8 TOP
-- Ruby level backtrace information ----------------------------------------
/usr/bin/irb:12:in `<main>'
/usr/lib/ruby/1.9.1/irb.rb:69:in `start'
/usr/lib/ruby/1.9.1/irb.rb:69:in `catch'
/usr/lib/ruby/1.9.1/irb.rb:70:in `block in start'
/usr/lib/ruby/1.9.1/irb.rb:155:in `eval_input'
/usr/lib/ruby/1.9.1/irb/ruby-lex.rb:228:in `each_top_level_statement'
/usr/lib/ruby/1.9.1/irb/ruby-lex.rb:228:in `catch'
/usr/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in `block in each_top_level_statement'
/usr/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in `loop'
/usr/lib/ruby/1.9.1/irb/ruby-lex.rb:243:in `block (2 levels) in each_top_level_statement'
/usr/lib/ruby/1.9.1/irb.rb:156:in `block in eval_input'
/usr/lib/ruby/1.9.1/irb.rb:273:in `signal_status'
/usr/lib/ruby/1.9.1/irb.rb:159:in `block (2 levels) in eval_input'
/usr/lib/ruby/1.9.1/irb/context.rb:254:in `evaluate'
/usr/lib/ruby/1.9.1/irb/workspace.rb:80:in `evaluate'
/usr/lib/ruby/1.9.1/irb/workspace.rb:80:in `eval'
(irb):2:in `irb_binding'
(irb):2:in `fork'
(irb):2:in `block in irb_binding'
(irb):2:in `rand'
-- C level backtrace information -------------------------------------------
/usr/lib/libruby.so.1.9(+0x155599) [0x7f3737992599]
/usr/lib/libruby.so.1.9(+0x57d89) [0x7f3737894d89]
/usr/lib/libruby.so.1.9(rb_bug+0xb3) [0x7f37378955c3]
/usr/lib/libruby.so.1.9(+0xf6cef) [0x7f3737933cef]
/usr/lib/libc.so.6(+0x35020) [0x7f37374cb020]
/usr/lib/libruby.so.1.9(+0xc30fa) [0x7f37379000fa]
/usr/lib/libruby.so.1.9(+0xc3b64) [0x7f3737900b64]
/usr/lib/libruby.so.1.9(+0xc418c) [0x7f373790118c]
/usr/lib/libruby.so.1.9(+0xc4308) [0x7f3737901308]
/usr/lib/libruby.so.1.9(+0x14f733) [0x7f373798c733]
/usr/lib/libruby.so.1.9(+0x145588) [0x7f3737982588]
/usr/lib/libruby.so.1.9(+0x14ac10) [0x7f3737987c10]
/usr/lib/libruby.so.1.9(rb_yield+0x308) [0x7f373798e428]
/usr/lib/libruby.so.1.9(rb_protect+0xcd) [0x7f373789984d]
/usr/lib/libruby.so.1.9(+0xc20aa) [0x7f37378ff0aa]
/usr/lib/libruby.so.1.9(+0x14f733) [0x7f373798c733]
/usr/lib/libruby.so.1.9(+0x145588) [0x7f3737982588]
/usr/lib/libruby.so.1.9(+0x14ac10) [0x7f3737987c10]
/usr/lib/libruby.so.1.9(+0x14b043) [0x7f3737988043]
/usr/lib/libruby.so.1.9(+0x14b4f5) [0x7f37379884f5]
/usr/lib/libruby.so.1.9(+0x14f733) [0x7f373798c733]
/usr/lib/libruby.so.1.9(+0x145588) [0x7f3737982588]
/usr/lib/libruby.so.1.9(+0x14ac10) [0x7f3737987c10]
/usr/lib/libruby.so.1.9(+0x14ff65) [0x7f373798cf65]
/usr/lib/libruby.so.1.9(rb_rescue2+0x166) [0x7f3737899666]
/usr/lib/libruby.so.1.9(+0x14133e) [0x7f373797e33e]
/usr/lib/libruby.so.1.9(+0x14f733) [0x7f373798c733]
/usr/lib/libruby.so.1.9(+0x145588) [0x7f3737982588]
/usr/lib/libruby.so.1.9(+0x14ac10) [0x7f3737987c10]
/usr/lib/libruby.so.1.9(+0x150ad5) [0x7f373798dad5]
/usr/lib/libruby.so.1.9(rb_catch_obj+0xba) [0x7f37379803ba]
/usr/lib/libruby.so.1.9(+0x14345e) [0x7f373798045e]
/usr/lib/libruby.so.1.9(+0x14f733) [0x7f373798c733]
/usr/lib/libruby.so.1.9(+0x145588) [0x7f3737982588]
/usr/lib/libruby.so.1.9(+0x14ac10) [0x7f3737987c10]
/usr/lib/libruby.so.1.9(+0x150ad5) [0x7f373798dad5]
/usr/lib/libruby.so.1.9(rb_catch_obj+0xba) [0x7f37379803ba]
/usr/lib/libruby.so.1.9(+0x14345e) [0x7f373798045e]
/usr/lib/libruby.so.1.9(+0x14f733) [0x7f373798c733]
/usr/lib/libruby.so.1.9(+0x145588) [0x7f3737982588]
/usr/lib/libruby.so.1.9(+0x14ac10) [0x7f3737987c10]
/usr/lib/libruby.so.1.9(rb_iseq_eval_main+0xad) [0x7f373798f11d]
/usr/lib/libruby.so.1.9(+0x5b77a) [0x7f373789877a]
/usr/lib/libruby.so.1.9(ruby_exec_node+0x1d) [0x7f373789921d]
/usr/lib/libruby.so.1.9(ruby_run_node+0x1e) [0x7f373789acae]
irb() [0x40086b]
/usr/lib/libc.so.6(__libc_start_main+0xf5) [0x7f37374b7725]
irb() [0x400899]
-- Other runtime information -----------------------------------------------
* Loaded script: irb
* Loaded features:
0 enumerator.so
1 /usr/lib/ruby/1.9.1/x86_64-linux/enc/encdb.so
2 /usr/lib/ruby/1.9.1/x86_64-linux/enc/trans/transdb.so
3 /usr/lib/ruby/1.9.1/rubygems/defaults.rb
4 /usr/lib/ruby/1.9.1/x86_64-linux/rbconfig.rb
5 /usr/lib/ruby/1.9.1/rubygems/deprecate.rb
6 /usr/lib/ruby/1.9.1/rubygems/exceptions.rb
7 /usr/lib/ruby/1.9.1/rubygems/custom_require.rb
8 /usr/lib/ruby/1.9.1/rubygems.rb
9 /usr/lib/ruby/1.9.1/e2mmap.rb
10 /usr/lib/ruby/1.9.1/irb/init.rb
11 /usr/lib/ruby/1.9.1/irb/workspace.rb
12 /usr/lib/ruby/1.9.1/irb/inspector.rb
13 /usr/lib/ruby/1.9.1/irb/context.rb
14 /usr/lib/ruby/1.9.1/irb/extend-command.rb
15 /usr/lib/ruby/1.9.1/irb/output-method.rb
16 /usr/lib/ruby/1.9.1/irb/notifier.rb
17 /usr/lib/ruby/1.9.1/irb/slex.rb
18 /usr/lib/ruby/1.9.1/irb/ruby-token.rb
19 /usr/lib/ruby/1.9.1/irb/ruby-lex.rb
20 /usr/lib/ruby/1.9.1/irb/src_encoding.rb
21 /usr/lib/ruby/1.9.1/irb/magic-file.rb
22 /usr/lib/ruby/1.9.1/x86_64-linux/readline.so
23 /usr/lib/ruby/1.9.1/irb/input-method.rb
24 /usr/lib/ruby/1.9.1/irb/locale.rb
25 /usr/lib/ruby/1.9.1/irb.rb
26 /usr/lib/ruby/1.9.1/rubygems/version.rb
27 /usr/lib/ruby/1.9.1/rubygems/requirement.rb
28 /usr/lib/ruby/1.9.1/rubygems/platform.rb
29 /usr/lib/ruby/1.9.1/rubygems/specification.rb
30 /usr/lib/ruby/1.9.1/rubygems/path_support.rb
* Process memory map:
00400000-00401000 r-xp 00000000 fe:01 1731089 /usr/bin/ruby
00600000-00601000 r--p 00000000 fe:01 1731089 /usr/bin/ruby
00601000-00602000 rw-p 00001000 fe:01 1731089 /usr/bin/ruby
01ed4000-024a6000 rw-p 00000000 00:00 0 [heap]
7f373588f000-7f37358a4000 r-xp 00000000 fe:01 1732687 /usr/lib/libgcc_s.so.1
7f37358a4000-7f3735aa3000 ---p 00015000 fe:01 1732687 /usr/lib/libgcc_s.so.1
7f3735aa3000-7f3735aa4000 rw-p 00014000 fe:01 1732687 /usr/lib/libgcc_s.so.1
7f3735aa4000-7f3735afc000 r-xp 00000000 fe:01 1707380 /usr/lib/libncursesw.so.5.9
7f3735afc000-7f3735cfb000 ---p 00058000 fe:01 1707380 /usr/lib/libncursesw.so.5.9
7f3735cfb000-7f3735cff000 r--p 00057000 fe:01 1707380 /usr/lib/libncursesw.so.5.9
7f3735cff000-7f3735d00000 rw-p 0005b000 fe:01 1707380 /usr/lib/libncursesw.so.5.9
7f3735d00000-7f3735d01000 rw-p 00000000 00:00 0
7f3735d01000-7f3735d3d000 r-xp 00000000 fe:01 1706236 /usr/lib/libreadline.so.6.2
7f3735d3d000-7f3735f3d000 ---p 0003c000 fe:01 1706236 /usr/lib/libreadline.so.6.2
7f3735f3d000-7f3735f3f000 r--p 0003c000 fe:01 1706236 /usr/lib/libreadline.so.6.2
7f3735f3f000-7f3735f45000 rw-p 0003e000 fe:01 1706236 /usr/lib/libreadline.so.6.2
7f3735f45000-7f3735f47000 rw-p 00000000 00:00 0
7f3735f79000-7f3735f7f000 r-xp 00000000 fe:01 2361504 /usr/lib/ruby/1.9.1/x86_64-linux/readline.so
7f3735f7f000-7f373617e000 ---p 00006000 fe:01 2361504 /usr/lib/ruby/1.9.1/x86_64-linux/readline.so
7f373617e000-7f373617f000 r--p 00005000 fe:01 2361504 /usr/lib/ruby/1.9.1/x86_64-linux/readline.so
7f373617f000-7f3736180000 rw-p 00006000 fe:01 2361504 /usr/lib/ruby/1.9.1/x86_64-linux/readline.so
7f3736180000-7f3736182000 r-xp 00000000 fe:01 2361561 /usr/lib/ruby/1.9.1/x86_64-linux/enc/trans/transdb.so
7f3736182000-7f3736382000 ---p 00002000 fe:01 2361561 /usr/lib/ruby/1.9.1/x86_64-linux/enc/trans/transdb.so
7f3736382000-7f3736383000 r--p 00002000 fe:01 2361561 /usr/lib/ruby/1.9.1/x86_64-linux/enc/trans/transdb.so
7f3736383000-7f3736384000 rw-p 00003000 fe:01 2361561 /usr/lib/ruby/1.9.1/x86_64-linux/enc/trans/transdb.so
7f3736384000-7f3736386000 r-xp 00000000 fe:01 2361532 /usr/lib/ruby/1.9.1/x86_64-linux/enc/encdb.so
7f3736386000-7f3736585000 ---p 00002000 fe:01 2361532 /usr/lib/ruby/1.9.1/x86_64-linux/enc/encdb.so
7f3736585000-7f3736586000 r--p 00001000 fe:01 2361532 /usr/lib/ruby/1.9.1/x86_64-linux/enc/encdb.so
7f3736586000-7f3736587000 rw-p 00002000 fe:01 2361532 /usr/lib/ruby/1.9.1/x86_64-linux/enc/encdb.so
7f3736587000-7f373693d000 r--p 00000000 fe:01 1727810 /usr/lib/locale/locale-archive
7f373693d000-7f3736a36000 r-xp 00000000 fe:01 1704485 /usr/lib/libm-2.16.so
7f3736a36000-7f3736c35000 ---p 000f9000 fe:01 1704485 /usr/lib/libm-2.16.so
7f3736c35000-7f3736c36000 r--p 000f8000 fe:01 1704485 /usr/lib/libm-2.16.so
7f3736c36000-7f3736c37000 rw-p 000f9000 fe:01 1704485 /usr/lib/libm-2.16.so
7f3736c37000-7f3736c3f000 r-xp 00000000 fe:01 1704253 /usr/lib/libcrypt-2.16.so
7f3736c3f000-7f3736e3e000 ---p 00008000 fe:01 1704253 /usr/lib/libcrypt-2.16.so
7f3736e3e000-7f3736e3f000 r--p 00007000 fe:01 1704253 /usr/lib/libcrypt-2.16.so
7f3736e3f000-7f3736e40000 rw-p 00008000 fe:01 1704253 /usr/lib/libcrypt-2.16.so
7f3736e40000-7f3736e6e000 rw-p 00000000 00:00 0
7f3736e6e000-7f3736e71000 r-xp 00000000 fe:01 1715882 /usr/lib/libdl-2.16.so
7f3736e71000-7f3737070000 ---p 00003000 fe:01 1715882 /usr/lib/libdl-2.16.so
7f3737070000-7f3737071000 r--p 00002000 fe:01 1715882 /usr/lib/libdl-2.16.so
7f3737071000-7f3737072000 rw-p 00003000 fe:01 1715882 /usr/lib/libdl-2.16.so
7f3737072000-7f3737079000 r-xp 00000000 fe:01 1706177 /usr/lib/librt-2.16.so
7f3737079000-7f3737278000 ---p 00007000 fe:01 1706177 /usr/lib/librt-2.16.so
7f3737278000-7f3737279000 r--p 00006000 fe:01 1706177 /usr/lib/librt-2.16.so
7f3737279000-7f373727a000 rw-p 00007000 fe:01 1706177 /usr/lib/librt-2.16.so
7f373727a000-7f3737291000 r-xp 00000000 fe:01 1712109 /usr/lib/libpthread-2.16.so
7f3737291000-7f3737490000 ---p 00017000 fe:01 1712109 /usr/lib/libpthread-2.16.so
7f3737490000-7f3737491000 r--p 00016000 fe:01 1712109 /usr/lib/libpthread-2.16.so
7f3737491000-7f3737492000 rw-p 00017000 fe:01 1712109 /usr/lib/libpthread-2.16.so
7f3737492000-7f3737496000 rw-p 00000000 00:00 0
7f3737496000-7f3737634000 r-xp 00000000 fe:01 1707049 /usr/lib/libc-2.16.so
7f3737634000-7f3737833000 ---p 0019e000 fe:01 1707049 /usr/lib/libc-2.16.so
7f3737833000-7f3737837000 r--p 0019d000 fe:01 1707049 /usr/lib/libc-2.16.so
7f3737837000-7f3737839000 rw-p 001a1000 fe:01 1707049 /usr/lib/libc-2.16.so
7f3737839000-7f373783d000 rw-p 00000000 00:00 0
7f373783d000-7f3737a2d000 r-xp 00000000 fe:01 1731095 /usr/lib/libruby.so.1.9.1
7f3737a2d000-7f3737c2c000 ---p 001f0000 fe:01 1731095 /usr/lib/libruby.so.1.9.1
7f3737c2c000-7f3737c34000 rw-p 001ef000 fe:01 1731095 /usr/lib/libruby.so.1.9.1
7f3737c34000-7f3737c50000 rw-p 00000000 00:00 0
7f3737c50000-7f3737c71000 r-xp 00000000 fe:01 1725883 /usr/lib/ld-2.16.so
7f3737d38000-7f3737e3f000 rw-p 00000000 00:00 0
7f3737e6b000-7f3737e6c000 rw-p 00000000 00:00 0
7f3737e6c000-7f3737e6d000 rw-p 00000000 00:00 0
7f3737e6d000-7f3737e6e000 ---p 00000000 00:00 0
7f3737e6e000-7f3737e71000 rw-p 00000000 00:00 0 [stack:22596]
7f3737e71000-7f3737e72000 r--p 00021000 fe:01 1725883 /usr/lib/ld-2.16.so
7f3737e72000-7f3737e73000 rw-p 00022000 fe:01 1725883 /usr/lib/ld-2.16.so
7f3737e73000-7f3737e74000 rw-p 00000000 00:00 0
7fff578eb000-7fff5790d000 rw-p 00000000 00:00 0
7fff579ff000-7fff57a00000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
[NOTE]
You may have encountered a bug in the Ruby interpreter or extension libraries.
Bug reports are welcome.
For details: http://www.ruby-lang.org/bugreport.html
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