Bug #2499: InstructionSequence.dissassemble can crash

• Status: Closed
• Assignee: ko1 (Koichi Sasada)
• Target version: 1.9.2
• ruby -v: ruby 1.9.2dev (2009-12-19 trunk 26121) [x86_64-darwin10.2.0]

[marcandre (Marc-Andre Lafortune)]

=begin
I was trying to understand what InstructionSequence.disassemble is supposed to do when:

$ rubydev -e 'RubyVM::InstructionSequence.disassemble("x".method(:upcase))'
-e:1: [BUG] Segmentation fault
ruby 1.9.2dev (2009-12-19 trunk 26121) [x86_64-darwin10.2.0]

-- control frame ----------
c:0004 p:---- s:0010 b:0010 l:000009 d:000009 CFUNC :disassemble
c:0003 p:0027 s:0006 b:0006 l:0022c8 d:001e98 EVAL -e:1
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:0022c8 d:0022c8 TOP

-e:1:in <main>' -e:1:in disassemble'

-- C level backtrace information -------------------------------------------

[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

Abort trap
=end

[naruse (Yui NARUSE)]

• Status changed from Open to Assigned
• Assignee set to ko1 (Koichi Sasada)

=begin

=end

[nobu (Nobuyoshi Nakada)]

• Status changed from Assigned to Closed
• % Done changed from 0 to 100

=begin
This issue was solved with changeset r26158.
Marc-Andre, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

=end