[MacRuby-devel] [MacRuby] #711: MacRuby caught SIGSEGV when call Dispatch::Job#add many times

[MacRuby]

#711: MacRuby caught SIGSEGV when call Dispatch::Job#add many times
-----------------------------------+----------------------------------------
 Reporter:  nagachika00@…          |       Owner:  lsansonetti@…        
     Type:  defect                 |      Status:  new                  
 Priority:  blocker                |   Milestone:                       
Component:  MacRuby                |    Keywords:                       
-----------------------------------+----------------------------------------
 When I modify AO Bench script (see #710) to use Dispatch::Job, it caught
 SIGSEGV while executing blocks passed to Dispatch::Job#add.

 backtrace of trunk (revision 4089) with gcc is as follows.

 {{{
 (gdb) run
 Program received signal EXC_BAD_ACCESS, Could not access memory.
 Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000000
 [Switching to process 11054]
 0x0000000000000000 in ?? ()
 (gdb) where
 #0  0x0000000000000000 in ?? ()
 #1  0x000000010013b8ad in __rb_vm_objc_dispatch [inlined] () at
 /Users/nagachika/opt/src/MacRuby-trunk/MacRuby/dispatcher.cpp:450
 #2  0x000000010013b8ad in rb_vm_call_with_cache2 (cache=0x100e31450,
 block=0x0, self=8592087456, klass=<value temporarily unavailable, due to
 optimizations>, sel=0x7fff886e8b1e, argc=3, argv=0x104a84900) at
 dispatcher.cpp:904
 #3  0x000000010006b3a2 in rb_class_new_instance_imp (klass=8592147264,
 sel=<value temporarily unavailable, due to optimizations>, argc=3,
 argv=0x104a84900) at object.c:1962
 #4  0x00000001001481dc in rb_vm_dispatch (cache=0x100e5e870,
 top=8590786400, self=8592147264, sel=0x100e2ffa0, block=0x0, opt=0 '\000',
 argc=3) at dispatcher.cpp:418
 #5  0x0000000102007d25 in ?? ()
 #6  0x000000010013c68a in rb_vm_call_with_cache2 (cache=0x100e312c0,
 block=0x0, self=8590786400, klass=<value temporarily unavailable, due to
 optimizations>, sel=0x7fff8211c810, argc=<value temporarily unavailable,
 due to optimizations>, argv=0x104a85950) at dispatcher.cpp:144
 #7  0x000000010006b233 in rb_class_new_instance0 [inlined] () at
 /Users/nagachika/opt/src/MacRuby-trunk/MacRuby/object.c:1958
 #8  0x000000010006b233 in rb_class_new_instance_imp (klass=8592105184,
 sel=<value temporarily unavailable, due to optimizations>, argc=0,
 argv=0x104a85950) at object.c:1972
 #9  0x00000001001481dc in rb_vm_dispatch (cache=0x1038ee910,
 top=8590064448, self=8592105184, sel=0x7fff8211c858, block=0x0, opt=0
 '\000', argc=0) at dispatcher.cpp:418
 #10 0x00000001020099b2 in ?? ()
 #11 0x000000010013f3e3 in rb_vm_block_eval (b=0x2000e7e20, argc=<value
 temporarily unavailable, due to optimizations>, argv=0x2000e7e78) at
 dispatcher.cpp:95
 #12 0x00000001001481dc in rb_vm_dispatch (cache=0x104839970,
 top=8592071616, self=8590902944, sel=0x7fff85bb1100, block=0x0, opt=0
 '\000', argc=0) at dispatcher.cpp:418
 #13 0x0000000102009f25 in ?? ()
 #14 0x000000010013f3e3 in rb_vm_block_eval (b=0x2000e6e60, argc=<value
 temporarily unavailable, due to optimizations>, argv=0x2000e6eb8) at
 dispatcher.cpp:95
 #15 0x000000010015bd4a in rb_rescue2 (b_proc=<value temporarily
 unavailable, due to optimizations>, data1=<value temporarily unavailable,
 due to optimizations>, r_proc=0x1000f2240 <rb_block_rescue>,
 data2=4304291472) at vm.cpp:3596
 #16 0x00007fff84ef9b90 in _dispatch_worker_thread2 ()
 #17 0x00007fff84ef94e8 in _pthread_wqthread ()
 #18 0x00007fff84ef9385 in start_wqthread ()
 }}}

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Ticket URL: <http://www.macruby.org/trac/ticket/711>
MacRuby <http://macruby.org/>