Created
September 29, 2014 05:50
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Valgrind before fix
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| > cat test.rb | |
| require 'chess' | |
| game = Chess::Game.new | |
| puts game.to_s | |
| > valgrind --partial-loads-ok=yes --undef-value-errors=no ruby test.rb | |
| ==55403== Memcheck, a memory error detector | |
| ==55403== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al. | |
| ==55403== Using Valgrind-3.10.0 and LibVEX; rerun with -h for copyright info | |
| ==55403== Command: ruby test.rb | |
| ==55403== | |
| --55403-- /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby: | |
| --55403-- dSYM directory is missing; consider using --dsymutil=yes | |
| UNKNOWN __pthread_sigmask is unsupported. This warning will not be repeated. | |
| ==55403== Warning: ignored attempt to set SIGUSR2 handler in sigaction(); | |
| ==55403== the SIGUSR2 signal is used internally by Valgrind | |
| --55403-- /Users/jer/.rvm/gems/ruby-2.1.0/gems/chess-0.0.4/ext/chess.bundle: | |
| --55403-- dSYM directory is missing; consider using --dsymutil=yes | |
| ==55403== Invalid write of size 1 | |
| ==55403== at 0xAC21E4: vsprintf_l (in /usr/lib/system/libsystem_c.dylib) | |
| ==55403== by 0xAEFD4A: __sprintf_chk (in /usr/lib/system/libsystem_c.dylib) | |
| ==55403== by 0xD31E9B: print_board (in /Users/jer/.rvm/gems/ruby-2.1.0/gems/chess-0.0.4/ext/chess.bundle) | |
| ==55403== by 0xD346BC: game_to_s (in /Users/jer/.rvm/gems/ruby-2.1.0/gems/chess-0.0.4/ext/chess.bundle) | |
| ==55403== by 0x1002E8B4A: vm_call_cfunc (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002E848F: vm_call_method (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002D1D34: vm_exec_core (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002DEFCE: vm_exec (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002DFEB7: rb_iseq_eval_main (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1001BA9C3: ruby_exec_internal (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1001BA8ED: ruby_run_node (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x100000C8E: main (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== Address 0x101d43fda is 0 bytes after a block of size 250 alloc'd | |
| ==55403== at 0x66CB: malloc (in /usr/local/Cellar/valgrind/3.10.0/lib/valgrind/vgpreload_memcheck-amd64-darwin.so) | |
| ==55403== by 0xD31CA0: print_board (in /Users/jer/.rvm/gems/ruby-2.1.0/gems/chess-0.0.4/ext/chess.bundle) | |
| ==55403== by 0xD346BC: game_to_s (in /Users/jer/.rvm/gems/ruby-2.1.0/gems/chess-0.0.4/ext/chess.bundle) | |
| ==55403== by 0x1002E8B4A: vm_call_cfunc (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002E848F: vm_call_method (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002D1D34: vm_exec_core (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002DEFCE: vm_exec (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002DFEB7: rb_iseq_eval_main (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1001BA9C3: ruby_exec_internal (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1001BA8ED: ruby_run_node (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x100000C8E: main (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== | |
| ==55403== Invalid read of size 1 | |
| ==55403== at 0x7E9A: strlen (in /usr/local/Cellar/valgrind/3.10.0/lib/valgrind/vgpreload_memcheck-amd64-darwin.so) | |
| ==55403== by 0x100280B15: rb_str_new_cstr (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0xD346C7: game_to_s (in /Users/jer/.rvm/gems/ruby-2.1.0/gems/chess-0.0.4/ext/chess.bundle) | |
| ==55403== by 0x1002E8B4A: vm_call_cfunc (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002E848F: vm_call_method (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002D1D34: vm_exec_core (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002DEFCE: vm_exec (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002DFEB7: rb_iseq_eval_main (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1001BA9C3: ruby_exec_internal (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1001BA8ED: ruby_run_node (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x100000C8E: main (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== Address 0x101d43fda is 0 bytes after a block of size 250 alloc'd | |
| ==55403== at 0x66CB: malloc (in /usr/local/Cellar/valgrind/3.10.0/lib/valgrind/vgpreload_memcheck-amd64-darwin.so) | |
| ==55403== by 0xD31CA0: print_board (in /Users/jer/.rvm/gems/ruby-2.1.0/gems/chess-0.0.4/ext/chess.bundle) | |
| ==55403== by 0xD346BC: game_to_s (in /Users/jer/.rvm/gems/ruby-2.1.0/gems/chess-0.0.4/ext/chess.bundle) | |
| ==55403== by 0x1002E8B4A: vm_call_cfunc (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002E848F: vm_call_method (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002D1D34: vm_exec_core (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002DEFCE: vm_exec (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1002DFEB7: rb_iseq_eval_main (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1001BA9C3: ruby_exec_internal (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x1001BA8ED: ruby_run_node (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== by 0x100000C8E: main (in /Users/jer/.rvm/rubies/ruby-2.1.0/bin/ruby) | |
| ==55403== | |
| 8 r n b q k b n r | |
| 7 p p p p p p p p | |
| 6 . . . . . . . . | |
| 5 . . . . . . . . | |
| 4 . . . . . . . . | |
| 3 . . . . . . . . | |
| 2 P P P P P P P P | |
| 1 R N B Q K B N R | |
| a b c d e f g h | |
| ==55403== | |
| ==55403== HEAP SUMMARY: | |
| ==55403== in use at exit: 2,542,639 bytes in 29,078 blocks | |
| ==55403== total heap usage: 67,756 allocs, 38,678 frees, 15,090,786 bytes allocated | |
| ==55403== | |
| ==55403== LEAK SUMMARY: | |
| ==55403== definitely lost: 239,980 bytes in 1,556 blocks | |
| ==55403== indirectly lost: 641,892 bytes in 11,924 blocks | |
| ==55403== possibly lost: 951,081 bytes in 4,519 blocks | |
| ==55403== still reachable: 673,794 bytes in 10,702 blocks | |
| ==55403== suppressed: 35,892 bytes in 377 blocks | |
| ==55403== Rerun with --leak-check=full to see details of leaked memory | |
| ==55403== | |
| ==55403== For counts of detected and suppressed errors, rerun with: -v | |
| ==55403== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0) |
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