[MacRuby] #1152: Segfault occurs with JSON when redefined the initialize().

6 Feb 2011


      #1152: Segfault occurs with JSON when redefined the initialize().
----------------------------------+-----------------------------------------
 Reporter:  watson1978@…          |       Owner:  lsansonetti@…        
     Type:  defect                |      Status:  new                  
 Priority:  blocker               |   Milestone:                       
Component:  MacRuby               |    Keywords:                       
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 Likely CRuby 1.9.2, this problem occurs in MacRuby.[[BR]]
 http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/35079

 Test Script:
 {{{
 #!ruby
 require 'json'
 module JSON
   class Parser
     def initialize; end
   end
 end

 parser = JSON::Parser.new
 parser.parse('test')
 }}}

 BackTrace:
 {{{
 Program received signal EXC_BAD_ACCESS, Could not access memory.
 Reason: KERN_INVALID_ADDRESS at address: 0x000000000000003c
 yajl_do_parse (hand=0x0, offset=0x7fff5fbfdd0c, jsonText=0x20004e640
 "test", jsonTextLen=4) at yajl_parser.c:147
 147         switch (yajl_bs_current(hand->stateStack)) {
 (gdb) bt
 #0  yajl_do_parse (hand=0x0, offset=0x7fff5fbfdd0c, jsonText=0x20004e640
 "test", jsonTextLen=4) at yajl_parser.c:147
 #1  0x0000000100df0e20 in yajl_parse (hand=<value temporarily unavailable,
 due to optimizations>, jsonText=<value temporarily unavailable, due to
 optimizations>, jsonTextLen=<value temporarily unavailable, due to
 optimizations>) at yajl.c:127
 #2  0x0000000100dee44e in json_parse_chunk [inlined] () at
 /Users/watson/src/macruby-trunk-svn/ext/json/rubyext.c:235
 #3  0x0000000100dee44e in rb_json_parser_parse (self=8590004160,
 sel=<value temporarily unavailable, due to optimizations>, input=<value
 temporarily unavailable, due to optimizations>) at rubyext.c:142
 #4  0x000000010013b63e in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-trunk-svn/dispatcher.cpp:161
 #5  0x000000010013b63e in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-trunk-svn/dispatcher.cpp:466
 #6  0x000000010013b63e in rb_vm_dispatch () at dispatcher.cpp:850
 #7  0x00000001033008f6 in ?? ()
 #8  0x0000000103300183 in ?? ()
 #9  0x0000000100155a2f in rb_vm_run (fname=0x2000412e0
 "/Users/watson/tmp/test2.rb", node=0x20009a840, binding=0x0,
 inside_eval=false) at vm.cpp:3930
 #10 0x000000010003905b in ruby_run_node (n=0x20009a840) at eval.c:211
 #11 0x0000000100000c15 in main (argc=3, argv=0x100e1de40,
 envp=0x7fff5fbfee60) at main.cpp:40
 Current language:  auto; currently c
 (gdb)
 }}}

-- 
Ticket URL: <http://www.macruby.org/trac/ticket/1152>
MacRuby <http://macruby.org/>