Issue #4828 has been reported by Motohiro KOSAKI.

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Bug #4828: crash in test_thread_instance_variable
http://redmine.ruby-lang.org/issues/4828

Author: Motohiro KOSAKI
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 1.9.3dev (2011-06-04 trunk 31919) [x86_64-darwin10.7.4] 


"make test-all" on MacOS X makes following failure. It is very frequently happen.

  1) Failure:
test_thread_instance_variable(TestThread) [/Users/kosaki/ruby/test/ruby/test_thread.rb:583]:
[ruby-core:35192].
<[]> expected but was
<["ruby-193(10898,0x7fff70f38ca0) malloc: *** error for object 0x1006f6cb0: pointer being freed was not allocated",
 "*** set a breakpoint in malloc_error_break to debug"]>.


Process:         ruby-193 [10898]
Path:            /Users/kosaki/ruby/ruby-193
Identifier:      ruby-193
Version:         ??? (???)
Code Type:       X86-64 (Native)
Parent Process:  ruby-193 [10884]

Date/Time:       2011-06-05 13:49:04.919 +0900
OS Version:      Mac OS X 10.6.7 (10J4138)
Report Version:  6

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Application Specific Information:
abort() called

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   libSystem.B.dylib             	0x00007fff885225d6 __kill + 10
1   libSystem.B.dylib             	0x00007fff885c2cde abort + 83
2   libSystem.B.dylib             	0x00007fff884da6b5 free + 128
3   ruby-193                      	0x000000010004f693 vm_xfree + 25
4   ruby-193                      	0x000000010004f8c6 ruby_xfree + 45
5   ruby-193                      	0x00000001001064b3 st_free_table + 34
6   ruby-193                      	0x0000000100180671 thread_free + 216
7   ruby-193                      	0x0000000100180015 ruby_vm_destruct + 90
8   ruby-193                      	0x000000010003d2d0 ruby_cleanup + 853
9   ruby-193                      	0x000000010003d4a5 ruby_run_node + 63
10  ruby-193                      	0x0000000100000daf main + 79 (main.c:40)
11  ruby-193                      	0x0000000100000d58 start + 52

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x0000000000000001  rcx: 0x00007fff5fbff4b8  rdx: 0x0000000000000000
  rdi: 0x0000000000002a92  rsi: 0x0000000000000006  rbp: 0x00007fff5fbff4d0  rsp: 0x00007fff5fbff4b8
   r8: 0x0000000000000e03   r9: 0x0000000000000000  r10: 0x00007fff8851e616  r11: 0xffffff80002e4730
  r12: 0x00000001002eb000  r13: 0x000000010031b000  r14: 0x0000000000000000  r15: 0x00000001006f6cb0
  rip: 0x00007fff885225d6  rfl: 0x0000000000000202  cr2: 0x000000010035e000

Binary Images:
       0x100000000 -        0x100225ff7 +ruby-193 ??? (???) <0104E33C-47DB-D944-5F62-DB75E2831561> /Users/kosaki/ruby/ruby-193
       0x100362000 -        0x100363fff +encdb.bundle ??? (???) <04EBD9DF-B44E-2812-7F4F-CD5B4FB7D63E> /Users/kosaki/ruby/.ext/x86_64-darwin10.7.4/enc/encdb.bundle
       0x100366000 -        0x100367fff +transdb.bundle ??? (???) <73AC857E-8D91-621B-7AAD-9B7039388736> /Users/kosaki/ruby/.ext/x86_64-darwin10.7.4/enc/trans/transdb.bundle
    0x7fff5fc00000 -     0x7fff5fc3bdef  dyld 132.1 (???) <DB8B8AB0-0C97-B51C-BE8B-B79895735A33> /usr/lib/dyld
    0x7fff805a7000 -     0x7fff8065dfff  libobjc.A.dylib 227.0.0 (compatibility 1.0.0) <1960E662-D35C-5D98-EB16-D43166AE6A22> /usr/lib/libobjc.A.dylib
    0x7fff862ec000 -     0x7fff862f0ff7  libmathCommon.A.dylib 315.0.0 (compatibility 1.0.0) <95718673-FEEE-B6ED-B127-BCDBDB60D4E5> /usr/lib/system/libmathCommon.A.dylib
    0x7fff86677000 -     0x7fff866f4fef  libstdc++.6.dylib 7.9.0 (compatibility 7.0.0) <35ECA411-2C08-FD7D-11B1-1B7A04921A5C> /usr/lib/libstdc++.6.dylib
    0x7fff884d3000 -     0x7fff88694fff  libSystem.B.dylib 125.2.10 (compatibility 1.0.0) <C80582B8-D8F7-A378-E27D-28411EE53901> /usr/lib/libSystem.B.dylib
    0x7fff88789000 -     0x7fff887d5fff  libauto.dylib ??? (???) <328CCF97-091D-C529-E576-C78583445711> /usr/lib/libauto.dylib
    0x7fffffe00000 -     0x7fffffe01fff  libSystem.B.dylib ??? (???) <C80582B8-D8F7-A378-E27D-28411EE53901> /usr/lib/libSystem.B.dylib

 



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