Issue #9802 has been updated by hake huang. it can on reproduced on the 2.0.0P451 build for windows, it is the latest, and I can reproduce it on all 2013 releases. The whole project is bigger, so I am trying to reduce them to be easily reproduced. ---------------------------------------- Backport #9802: hash with array process seems has problems for ruby2.0.0p451 windows build https://bugs.ruby-lang.org/issues/9802#change-46538 * Author: hake huang * Status: Feedback * Priority: Normal * Assignee: ---------------------------------------- when I write a hash parser, like below: ~~~ test: - path: a.c .... - path: b.c ~~~ and I can see below error when the parser finish. ~~~ ?.u1A^?f@E'`?f??( z?f0??f: [BUG] Segmentation fault ruby 2.0.0p451 (2014-02-24) [i386-mingw32] -- Control frame information ----------------------------------------------- c:0001 p:7964620 s:0002 E:001bbc TOP [FINISH] -- C level backtrace information ------------------------------------------- C:\Windows\SYSTEM32\ntdll.dll(KiFastSystemCallRet+0x0) [0x779E70B4] C:\Windows\system32\kernel32.dll(WaitForSingleObjectEx+0x43) [0x7635C2F3] C:\Windows\system32\kernel32.dll(WaitForSingleObject+0x12) [0x7635C2A2] C:\Ruby200\bin\msvcrt-ruby200.dll(rb_vm_bugreport+0xa7) [0x668F7FA7] C:\Ruby200\bin\msvcrt-ruby200.dll(rb_name_err_mesg_new+0x69d) [0x667BE36D] C:\Ruby200\bin\msvcrt-ruby200.dll(rb_bug+0x2e) [0x667BF16E] C:\Ruby200\bin\msvcrt-ruby200.dll(rb_check_safe_str+0x180) [0x6687E3B0] [0x00401866] C:\Windows\SYSTEM32\ntdll.dll(EtwReplyNotification+0x366) [0x77A17F1A] ~~~ -- https://bugs.ruby-lang.org/