#1060: Segfault occurs when StringIO#puts handles self-recursive array. ----------------------------------+----------------------------------------- Reporter: watson1978@… | Owner: lsansonetti@… Type: defect | Status: new Priority: blocker | Milestone: Component: MacRuby | Keywords: ----------------------------------+----------------------------------------- Test Script: {{{ #!ruby # handles self-recursive arrays require 'stringio' @io = StringIO.new ary = [5] ary << ary @io.puts(ary) }}} BackTrace: {{{ $ DYLD_LIBRARY_PATH=. gdb --args ./macruby -I./lib ~/tmp/tt.rb Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_PROTECTION_FAILURE at address: 0x00007fff5f3ffff8 0x00007fff83d4730c in ___CFBasicHashFindBucket1 () (gdb) bt 20 #0 0x00007fff83d4730c in ___CFBasicHashFindBucket1 () #1 0x00007fff83d4ea9e in CFBasicHashFindBucket () #2 0x00007fff83d7bdbb in CFDictionaryGetValueIfPresent () #3 0x00000001000ca9b6 in ivar_get (obj=8590176608, id=8192, warn=false, undef=false) at variable.c:1034 #4 0x00000001000caaa6 in rb_attr_get (obj=8590176608, id=8192) at variable.c:1061 #5 0x0000000100029d9c in rb_mod_ancestors_nocopy (mod=8590176608) at class.c:724 #6 0x00000001001346a7 in rb_vm_super_lookup (klass=0x20003b160, sel=0x7fff854e925e, super_class_p=0x7fff5f400888) at dispatcher.cpp:281 #7 0x0000000100136dbf in rb_vm_dispatch () at dispatcher.cpp:631 #8 0x0000000100035e72 in rb_vm_call0 (vm=0x100e250f0, top=0, self=8599698304, klass=0x20003b160, sel=0x7fff854e925e, block=0x0, opt=4 '\004', argc=2, argv=0x7fff5f401b60) at vm.h:603 #9 0x0000000100035dab in rb_vm_call_super (self=8599698304, sel=0x7fff854e925e, argc=2, argv=0x7fff5f401b60) at vm.h:617 #10 0x0000000100036308 in nometh_err_initialize (self=8599698304, sel=0x7fff854e925e, argc=2, argv=0x7fff5f401b60) at error.c:739 #11 0x0000000100137bc7 in ruby_dispatch [inlined] () at /Users/watson/src /macruby-trunk-svn/dispatcher.cpp:448 #12 0x0000000100137bc7 in rb_vm_dispatch () at dispatcher.cpp:849 #13 0x000000010005dd61 in rb_vm_call0 (vm=0x100e250f0, top=0, self=8599698304, klass=0x20003b160, sel=0x7fff854e925e, block=0x0, opt=2 '\002', argc=3, argv=0x7fff5f401b60) at vm.h:603 #14 0x00000001000618d5 in rb_vm_call2 (block=0x0, self=8599698304, klass=8590176608, sel=0x7fff854e925e, argc=3, argv=0x7fff5f401b60) at vm.h:628 #15 0x0000000100061848 in rb_class_new_instance0 (argc=3, argv=0x7fff5f401b60, klass=8590176608) at object.c:1953 #16 0x00000001000618ff in rb_class_new_instance (argc=3, argv=0x7fff5f401b60, klass=8590176608) at object.c:1968 #17 0x0000000100153cce in rb_vm_method_missing (obj=21, argc=1, argv=0x20094f9c0) at vm.cpp:2855 #18 0x00000001000e62ed in rb_method_missing (obj=21, sel=0x100e2c960, argc=1, argv=0x20094f9c0) at vm_eval.c:84 #19 0x0000000100137bc7 in ruby_dispatch [inlined] () at /Users/watson/src /macruby-trunk-svn/dispatcher.cpp:448 (More stack frames follow...) }}} -- Ticket URL: <http://www.macruby.org/trac/ticket/1060> MacRuby <http://macruby.org/>