[MacRuby-devel] [MacRuby] #773: Segfault occurs when specified $SAFE=4 and exception is generated.

[MacRuby]

#773: Segfault occurs when specified $SAFE=4 and exception is generated.
----------------------------------+-----------------------------------------
 Reporter:  watson1978@…          |       Owner:  lsansonetti@…        
     Type:  defect                |      Status:  new                  
 Priority:  blocker               |   Milestone:                       
Component:  MacRuby               |    Keywords:                       
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 Test Script:
 {{{
 $ cat test_bus_error.rb
 level = ARGV[0].to_i

 $SAFE = level

 # generate an exception each level.
 case level
 when 1
   eval(ARGV[0])
 when 2
   Dir.chdir("..")
 when 3
   str = "hello"
   str.untaint
 when 4
   puts "test"
 end
 }}}

 Result of MacRuby 0.6:
 {{{
 $ macruby test_bus_error.rb 1
 /Users/watson/test/ruby/macruby/segfault/test_bus_error.rb:2:in `<main>':
 Insecure operation: -r (SecurityError)
 $ macruby test_bus_error.rb 2
 /Users/watson/test/ruby/macruby/segfault/test_bus_error.rb:2:in `<main>':
 Insecure operation at level 2 (SecurityError)
 $ macruby test_bus_error.rb 3
 /Users/watson/test/ruby/macruby/segfault/test_bus_error.rb:2:in `<main>':
 Insecure operation at level 3 (SecurityError)
 $ macruby test_bus_error.rb 4
 zsh: illegal hardware instruction  macruby test_bus_error.rb 4
 }}}

 Result of MacRuby Trunk:
 {{{
 $ macruby test_bus_error.rb 1
 /Users/watson/test/ruby/macruby/segfault/test_bus_error.rb:2:in `<main>':
 Insecure operation: -r (SecurityError)
 $ macruby test_bus_error.rb 2
 /Users/watson/test/ruby/macruby/segfault/test_bus_error.rb:2:in `<main>':
 Insecure operation at level 2 (SecurityError)
 $ macruby test_bus_error.rb 3
 /Users/watson/test/ruby/macruby/segfault/test_bus_error.rb:2:in `<main>':
 Insecure operation at level 3 (SecurityError)
 $ macruby test_bus_error.rb 4
 zsh: segmentation fault  macruby test_bus_error.rb 4
 }}}

-- 
Ticket URL: <http://www.macruby.org/trac/ticket/773>
MacRuby <http://macruby.org/>