[MacRuby] #1346: Segfault occurs when invoked a Module#attr within some threads.
MacRuby
ruby-noreply at macosforge.org
Sun Jul 3 19:06:06 PDT 2011
#1346: Segfault occurs when invoked a Module#attr 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
Thread.new {
100.times do |i|
m1.instance_eval{ attr("test#{i}") }
end
}
100.times do |i|
m2.instance_eval{ attr("test#{i}") }
end
}}}
BackTrace:
{{{
(gdb) t a a bt
Thread 3 (process 18224):
#0 0x0000000100164980 in rb_sym2id (sym=0) at symbol.c:198
#1 0x00000001000adb85 in rb_to_id (name=0) at string.c:6494
#2 0x0000000100052bac in rb_mod_attr_reader (klass=8590087520, sel=0x0,
argc=1, argv=0x10177dd78) at object.c:2044
#3 0x0000000100052c86 in rb_mod_attr (klass=8590087520, sel=0x100fbf3a0,
argc=1, argv=0x10177dd78) at object.c:2057
#4 0x000000010012e2b3 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:448
#5 0x000000010012e2b3 in rb_vm_dispatch () at dispatcher.cpp:872
#6 0x0000000101500764 in ?? ()
#7 0x00000001015012d0 in ?? ()
#8 0x0000000100135ddb in __rb_vm_bcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:98
#9 0x0000000100135ddb in vm_block_eval [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:1221
#10 0x0000000100135ddb in rb_vm_yield_under () at dispatcher.cpp:1321
#11 0x00000001000db958 in specific_eval (argc=0, argv=0x0,
klass=8590087456, self=8590087520) at vm_eval.c:339
#12 0x00000001000dbee3 in rb_obj_instance_eval_imp (self=8590087520,
sel=0x100fde130, top=8590062336, argc=0, argv=0x0) at vm_eval.c:507
#13 0x000000010012e366 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:457
#14 0x000000010012e366 in rb_vm_dispatch () at dispatcher.cpp:872
#15 0x0000000101500764 in ?? ()
#16 0x0000000101500fe3 in ?? ()
#17 0x0000000100134ccb in __rb_vm_bcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:100
#18 0x0000000100134ccb in vm_block_eval [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:1221
#19 0x0000000100134ccb in rb_vm_yield_args () at dispatcher.cpp:1278
#20 0x00000001000db2fd in rb_vm_yield (argc=1, argv=0x10177f928) at
vm.h:697
#21 0x00000001000db2d0 in rb_yield (val=29) at vm_eval.c:183
#22 0x000000010004d1da in int_dotimes (num=401, sel=0x100fe7350) at
numeric.c:3241
#23 0x000000010012e8b4 in __rb_vm_rcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:159
#24 0x000000010012e8b4 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:466
#25 0x000000010012e8b4 in rb_vm_dispatch () at dispatcher.cpp:872
#26 0x0000000101500764 in ?? ()
#27 0x0000000101500ca1 in ?? ()
#28 0x0000000100132c67 in __rb_vm_bcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:98
#29 0x0000000100132c67 in vm_block_eval [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:1221
#30 0x0000000100132c67 in rb_vm_block_eval (b=0x200020560, argc=0,
argv=0x0) at dispatcher.cpp:1228
#31 0x000000010014d093 in rb_vm_thread_run (thread=8590066656) at
vm.cpp:4856
#32 0x00007fff83cf9fd6 in _pthread_start ()
#33 0x00007fff83cf9e89 in thread_start ()
Thread 2 (process 18224):
#0 0x00007fff83cdaa2a in __workq_kernreturn ()
#1 0x00007fff83cdae3c in _pthread_wqthread ()
#2 0x00007fff83cdaaa5 in start_wqthread ()
Thread 1 (process 18224):
#0 0x00007fff83cc5762 in szone_malloc_should_clear ()
#1 0x00007fff83cc498a in malloc_zone_malloc ()
#2 0x00007fff83cc2c88 in malloc ()
#3 0x00007fff84c61f05 in operator new ()
#4 0x000000010015d185 in
__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<objc_class* const,
objc_selector*> > >::allocate (this=0x102068448, __n=1) at
new_allocator.h:91
#5 0x000000010015d1aa in std::_Rb_tree<objc_class*, std::pair<objc_class*
const, objc_selector*>, std::_Select1st<std::pair<objc_class* const,
objc_selector*> >, std::less<objc_class*>,
std::allocator<std::pair<objc_class* const, objc_selector*> >
>::_M_get_node (this=0x102068448) at stl_tree.h:369
#6 0x000000010015d1c6 in std::_Rb_tree<objc_class*, std::pair<objc_class*
const, objc_selector*>, std::_Select1st<std::pair<objc_class* const,
objc_selector*> >, std::less<objc_class*>,
std::allocator<std::pair<objc_class* const, objc_selector*> >
>::_M_create_node (this=0x102068448, __x=@0x7fff5fbf9d30) at
stl_tree.h:378
#7 0x0000000100160066 in std::_Rb_tree<objc_class*, std::pair<objc_class*
const, objc_selector*>, std::_Select1st<std::pair<objc_class* const,
objc_selector*> >, std::less<objc_class*>,
std::allocator<std::pair<objc_class* const, objc_selector*> > >::_M_insert
(this=0x102068448, __x=0x0, __p=0x103604290, __v=@0x7fff5fbf9d30) at
stl_tree.h:840
#8 0x000000010016015a in std::_Rb_tree<objc_class*, std::pair<objc_class*
const, objc_selector*>, std::_Select1st<std::pair<objc_class* const,
objc_selector*> >, std::less<objc_class*>,
std::allocator<std::pair<objc_class* const, objc_selector*> >
>::_M_insert_equal (this=0x102068448, __v=@0x7fff5fbf9d30) at
stl_tree.h:899
#9 0x000000010016017f in std::multimap<objc_class*, objc_selector*,
std::less<objc_class*>, std::allocator<std::pair<objc_class* const,
objc_selector*> > >::insert (this=0x102068448, __x=@0x7fff5fbf9d30) at
stl_multimap.h:340
#10 0x000000010013c327 in RoxorCore::prepare_method (this=0x102068200,
klass=0x200020520, sel=0x1036042d0, func=0x1036042f0,
arity=@0x7fff5fbf9f88, flags=8) at vm.cpp:2095
#11 0x000000010014c58e in prepare_method (klass=0x200020520,
dynamic_class=false, sel=0x1036042d0, data=0x1036042f0,
arity=@0x7fff5fbf9f88, flags=8, precompiled=false, objc_imp_types=0x0) at
vm.cpp:2203
#12 0x000000010014cbb1 in rb_vm_prepare_method (klass=0x200020520,
dynamic_class=0 '\0', sel=0x1036042d0, func=0x1036042f0, arity={min = 0,
max = 0, left_req = 0, real = 0}, flags=8) at vm.cpp:2276
#13 0x000000010014cd07 in rb_vm_define_attr (klass=0x200020520,
name=0x200015800 "test7", read=true, write=false) at vm.cpp:2636
#14 0x00000001000d988d in rb_attr (klass=8590066976, id=12544, read=2,
write=0, ex=2) at vm_method.c:136
#15 0x0000000100052bc8 in rb_mod_attr_reader (klass=8590066976, sel=0x0,
argc=1, argv=0x7fff5fbfb0c8) at object.c:2044
#16 0x0000000100052c86 in rb_mod_attr (klass=8590066976, sel=0x100fbf3a0,
argc=1, argv=0x7fff5fbfb0c8) at object.c:2057
#17 0x000000010012e2b3 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:448
#18 0x000000010012e2b3 in rb_vm_dispatch () at dispatcher.cpp:872
#19 0x0000000101500764 in ?? ()
#20 0x00000001015011c0 in ?? ()
#21 0x0000000100135ddb in __rb_vm_bcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:98
#22 0x0000000100135ddb in vm_block_eval [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:1221
#23 0x0000000100135ddb in rb_vm_yield_under () at dispatcher.cpp:1321
#24 0x00000001000db958 in specific_eval (argc=0, argv=0x0,
klass=8590066912, self=8590066976) at vm_eval.c:339
#25 0x00000001000dbee3 in rb_obj_instance_eval_imp (self=8590066976,
sel=0x100fde130, top=8590062336, argc=0, argv=0x0) at vm_eval.c:507
#26 0x000000010012e366 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:457
#27 0x000000010012e366 in rb_vm_dispatch () at dispatcher.cpp:872
#28 0x0000000101500764 in ?? ()
#29 0x0000000101500de3 in ?? ()
#30 0x0000000100134ccb in __rb_vm_bcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:100
#31 0x0000000100134ccb in vm_block_eval [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:1221
#32 0x0000000100134ccb in rb_vm_yield_args () at dispatcher.cpp:1278
#33 0x00000001000db2fd in rb_vm_yield (argc=1, argv=0x7fff5fbfcc78) at
vm.h:697
#34 0x00000001000db2d0 in rb_yield (val=29) at vm_eval.c:183
#35 0x000000010004d1da in int_dotimes (num=401, sel=0x100fe7350) at
numeric.c:3241
#36 0x000000010012e8b4 in __rb_vm_rcall [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:159
#37 0x000000010012e8b4 in ruby_dispatch [inlined] () at /Users/watson/src
/macruby-master/dispatcher.cpp:466
#38 0x000000010012e8b4 in rb_vm_dispatch () at dispatcher.cpp:872
#39 0x0000000101500764 in ?? ()
#40 0x000000010150027b in ?? ()
#41 0x000000010014a072 in rb_vm_run (fname=0x2000a8cc0
"/Users/watson/tmp/t.rb", node=0x200024fe0, binding=0x0,
inside_eval=false) at vm.cpp:4115
#42 0x000000010002898b in ruby_run_node (n=0x200024fe0) at eval.c:211
#43 0x0000000100000be3 in main (argc=2, argv=0x100f1c040,
envp=0x7fff5fbfde58) at main.cpp:40
(gdb)
}}}
--
Ticket URL: <http://www.macruby.org/trac/ticket/1346>
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