[MacRuby] #1355: Segfault occurs when invoked a Module#dup within some threads.
MacRuby
ruby-noreply at macosforge.org
Thu Jul 7 08:02:17 PDT 2011
#1355: Segfault occurs when invoked a Module#dup within some threads.
----------------------------------+-----------------------------------------
Reporter: watson1978@… | Owner: lsansonetti@…
Type: defect | Status: new
Priority: blocker | Milestone:
Component: MacRuby | Keywords:
----------------------------------+-----------------------------------------
Test Script:
{{{
#!ruby
m1 = Module.new
m2 = Module.new
200.times do |i|
m1.instance_eval{ define_method("m#{i}", Proc.new{}) }
m2.instance_eval{ define_method("m#{i}", Proc.new{}) }
end
th = Thread.new {
1000.times do
m1.dup
end
}
1000.times do
m2.dup
end
th.join
puts :ok
}}}
BackTrace:
{{{
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000010
[Switching to process 65497 thread 0x1707]
0x00007fff84c2467e in std::_Rb_tree_insert_and_rebalance ()
(gdb) t a a bt
Thread 4 (process 65497):
#0 0x00007fff84c2467e in std::_Rb_tree_insert_and_rebalance ()
#1 0x0000000100161c6b in std::_Rb_tree<objc_method*,
std::pair<objc_method* const, rb_vm_method_node*>,
std::_Select1st<std::pair<objc_method* const, rb_vm_method_node*> >,
std::less<objc_method*>, std::allocator<std::pair<objc_method* const,
rb_vm_method_node*> > >::_M_insert (this=0x102068358, __x=0x0,
__p=0x10b683eb0, __v=@0x1017a03b0) at stl_tree.h:842
#2 0x0000000100161f6a in std::_Rb_tree<objc_method*,
std::pair<objc_method* const, rb_vm_method_node*>,
std::_Select1st<std::pair<objc_method* const, rb_vm_method_node*> >,
std::less<objc_method*>, std::allocator<std::pair<objc_method* const,
rb_vm_method_node*> > >::_M_insert_unique (this=0x102068358,
__position={_M_node = 0x102068360}, __v=@0x1017a03b0) at stl_tree.h:1008
#3 0x0000000100162285 in std::map<objc_method*, rb_vm_method_node*,
std::less<objc_method*>, std::allocator<std::pair<objc_method* const,
rb_vm_method_node*> > >::insert (this=0x102068358, __position={_M_node =
0x102068360}, __x=@0x1017a03b0) at stl_map.h:427
#4 0x000000010016232d in std::map<objc_method*, rb_vm_method_node*,
std::less<objc_method*>, std::allocator<std::pair<objc_method* const,
rb_vm_method_node*> > >::operator[] (this=0x102068358, __k=@0x1017a0420)
at stl_map.h:350
#5 0x000000010013c07b in RoxorCore::method_node_get (this=0x102068200,
m=0x10c8000a8, create=true) at vm.cpp:832
#6 0x000000010013fb8f in RoxorCore::copy_method (this=0x102068200,
klass=0x200224900, m=0x101474888) at vm.cpp:2455
#7 0x0000000100146336 in RoxorCore::copy_methods (this=0x102068200,
from_class=0x200015760, to_class=0x200224900) at vm.cpp:2472
#8 0x00000001001468e9 in rb_vm_copy_methods (from_class=0x200015760,
to_class=0x200224900) at vm.cpp:2423
#9 0x00000001000184b4 in rb_mod_init_copy (clone=8592181504, sel=0x0,
orig=8590022496) at class.c:304
#10 0x000000010001861e in rb_class_init_copy (clone=8592181504,
sel=0x100f357b0, orig=8590022496) at class.c:342
#11 0x000000010012e4e6 in __rb_vm_rcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:161
#12 0x000000010012e4e6 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:466
#13 0x000000010012e4e6 in rb_vm_dispatch () at dispatcher.cpp:872
#14 0x000000010004e88d in rb_vm_call0 (vm=0x1014ca140, top=0,
self=8592181504, klass=0x2002248c0, sel=0x100f357b0, block=0x0, opt=2
'\002', argc=1, argv=0x1017a1390) at vm.h:654
#15 0x000000010004e71e in rb_vm_call (self=8592181504, sel=0x100f357b0,
argc=1, argv=0x1017a1390) at vm.h:661
#16 0x000000010004ed8a in init_copy (dest=8592181504, obj=8590022496) at
object.c:221
#17 0x000000010004f29d in rb_obj_dup (obj=8590022496) at object.c:326
#18 0x000000010004f4a5 in rb_nsobj_dup (obj=8590022496, sel=4310855408) at
object.c:360
#19 0x000000010012e4b4 in __rb_vm_rcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:159
#20 0x000000010012e4b4 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:466
#21 0x000000010012e4b4 in rb_vm_dispatch () at dispatcher.cpp:872
#22 0x0000000101600954 in ?? ()
#23 0x0000000101611214 in ?? ()
#24 0x0000000100134887 in __rb_vm_bcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:98
#25 0x0000000100134887 in vm_block_eval [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:1221
#26 0x0000000100134887 in rb_vm_yield_args () at dispatcher.cpp:1278
#27 0x00000001000daefd in rb_vm_yield (argc=1, argv=0x1017a2928) at
vm.h:697
#28 0x00000001000daed0 in rb_yield (val=2069) at vm_eval.c:183
#29 0x000000010004cdda in int_dotimes (num=4001, sel=0x100fe73e0) at
numeric.c:3241
#30 0x000000010012e4b4 in __rb_vm_rcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:159
#31 0x000000010012e4b4 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:466
#32 0x000000010012e4b4 in rb_vm_dispatch () at dispatcher.cpp:872
#33 0x0000000101600954 in ?? ()
#34 0x0000000101611079 in ?? ()
#35 0x0000000100132867 in __rb_vm_bcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:98
#36 0x0000000100132867 in vm_block_eval [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:1221
#37 0x0000000100132867 in rb_vm_block_eval (b=0x2000c5580, argc=0,
argv=0x0) at dispatcher.cpp:1228
#38 0x000000010014ccf7 in rb_vm_thread_run (thread=8590747008) at
vm.cpp:4864
#39 0x00007fff83cf9fd6 in _pthread_start ()
#40 0x00007fff83cf9e89 in thread_start ()
Thread 3 (process 65497):
#0 0x00007fff83cdaa2a in __workq_kernreturn ()
#1 0x00007fff83cdae3c in _pthread_wqthread ()
#2 0x00007fff83cdaaa5 in start_wqthread ()
Thread 2 (process 65497):
#0 0x00007fff83cdaa2a in __workq_kernreturn ()
#1 0x00007fff83cdae3c in _pthread_wqthread ()
#2 0x00007fff83cdaaa5 in start_wqthread ()
Thread 1 (process 65497):
#0 0x00007fff83cc64ab in pthread_mutex_lock ()
#1 0x00007fff8012a4b9 in flush_cache ()
#2 0x00007fff80130415 in flushCaches ()
#3 0x00007fff80125934 in _class_addMethod ()
#4 0x000000010013fada in RoxorCore::copy_method (this=0x102068200,
klass=0x2002245c0, m=0x101186c78) at vm.cpp:2448
#5 0x0000000100146336 in RoxorCore::copy_methods (this=0x102068200,
from_class=0x200015620, to_class=0x2002245c0) at vm.cpp:2472
#6 0x00000001001468e9 in rb_vm_copy_methods (from_class=0x200015620,
to_class=0x2002245c0) at vm.cpp:2423
#7 0x00000001000184b4 in rb_mod_init_copy (clone=8592180672, sel=0x0,
orig=8590022176) at class.c:304
#8 0x000000010001861e in rb_class_init_copy (clone=8592180672,
sel=0x100f357b0, orig=8590022176) at class.c:342
#9 0x000000010012e4e6 in __rb_vm_rcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:161
#10 0x000000010012e4e6 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:466
#11 0x000000010012e4e6 in rb_vm_dispatch () at dispatcher.cpp:872
#12 0x000000010004e88d in rb_vm_call0 (vm=0x100f231c0, top=0,
self=8592180672, klass=0x200224580, sel=0x100f357b0, block=0x0, opt=2
'\002', argc=1, argv=0x7fff5fbfb6b0) at vm.h:654
#13 0x000000010004e71e in rb_vm_call (self=8592180672, sel=0x100f357b0,
argc=1, argv=0x7fff5fbfb6b0) at vm.h:661
#14 0x000000010004ed8a in init_copy (dest=8592180672, obj=8590022176) at
object.c:221
#15 0x000000010004f29d in rb_obj_dup (obj=8590022176) at object.c:326
#16 0x000000010004f4a5 in rb_nsobj_dup (obj=8590022176, sel=4310855408) at
object.c:360
#17 0x000000010012e4b4 in __rb_vm_rcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:159
#18 0x000000010012e4b4 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:466
#19 0x000000010012e4b4 in rb_vm_dispatch () at dispatcher.cpp:872
#20 0x0000000101600954 in ?? ()
#21 0x0000000101611154 in ?? ()
#22 0x0000000100134887 in __rb_vm_bcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:98
#23 0x0000000100134887 in vm_block_eval [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:1221
#24 0x0000000100134887 in rb_vm_yield_args () at dispatcher.cpp:1278
#25 0x00000001000daefd in rb_vm_yield (argc=1, argv=0x7fff5fbfcc48) at
vm.h:697
#26 0x00000001000daed0 in rb_yield (val=2061) at vm_eval.c:183
#27 0x000000010004cdda in int_dotimes (num=4001, sel=0x100fe73e0) at
numeric.c:3241
#28 0x000000010012e4b4 in __rb_vm_rcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:159
#29 0x000000010012e4b4 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:466
#30 0x000000010012e4b4 in rb_vm_dispatch () at dispatcher.cpp:872
#31 0x0000000101600954 in ?? ()
#32 0x0000000101600359 in ?? ()
#33 0x0000000100149ca2 in rb_vm_run (fname=0x2000a7ac0
"/Users/watson/tmp/t.rb", node=0x200015520, binding=0x0,
inside_eval=false) at vm.cpp:4123
#34 0x000000010002858b in ruby_run_node (n=0x200015520) at eval.c:211
#35 0x0000000100000be3 in main (argc=2, argv=0x100f1c040,
envp=0x7fff5fbfde58) at main.cpp:40
(gdb)
}}}
--
Ticket URL: <http://www.macruby.org/trac/ticket/1355>
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