[ruby-dev:44911] [ruby-trunk - Bug #3921] [BUG] Segmentation fault in set_trace_func

Issue #3921 has been updated by Gopal Patel.


The same issue exists in 1.9.2-p290. Any chance of a backport to 1.9.2?
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Bug #3921: [BUG] Segmentation fault in set_trace_func
http://redmine.ruby-lang.org/issues/3921

Author: Tomoyuki Chikanaga
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 1.9.3dev (2010-10-07 trunk 29420) [i686-linux]


=begin
 以下のようにすると Segmentation fault が発生します。
 
 $ ruby -e'
 func = lambda{|e, f, l, i, b, k|
   set_trace_func(nil)
   b.eval("self")
 }
 
 set_trace_func(func)
 '
 -e:7: [BUG] Segmentation fault
 ruby 1.9.3dev (2010-10-07 trunk 29420) [i686-linux]
 
 -- control frame ----------
 c:0003 p:0024 s:0007 b:0007 l:0003f4 d:0006c8 EVAL   -e:7
 c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
 c:0001 p:0000 s:0002 b:0002 l:0003f4 d:0003f4 TOP
 ---------------------------
 -- Ruby level backtrace information ----------------------------------------
 -e:7:in `<main>'
 
 -- C level backtrace information -------------------------------------------
 ruby [0x816e422]
 ruby [0x81af141]
 ruby(rb_bug+0x28) [0x81af1d8]
 ruby [0x80fbd35]
 [0xb77a9410]
 ruby [0x8160fc3]
 ruby [0x816255c]
 ruby [0x8167e2c]
 ruby(rb_iseq_eval_main+0x1da) [0x816818a]
 ruby [0x805b2c2]
 ruby(ruby_run_node+0x32) [0x805cce2]
 ruby [0x805a6a0]
 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb75cb775]
 ruby [0x805a5a1]
 
 [NOTE]
 You may have encountered a bug in the Ruby interpreter or extension libraries.
 Bug reports are welcome.
 For details: http://www.ruby-lang.org/bugreport.html
=end



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