Backport #5546: Bus error in Complex.rationalize

• Status: Closed
• Priority: Normal
• Assignee: yugui (Yuki Sonoda)

[pragdave (Dave Thomas)]

This only happens if you pass in a parameter to rationalize.

=begin
dave[ruby3/Book 20:05:52] ruby -ve 'p Complex(2.5, 0).rationalize(1)'
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.2.0]
-e:1: [BUG] Segmentation fault
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.2.0]

-- Control frame information -----------------------------------------------
c:0005 p:---- s:0013 b:0013 l:000012 d:000012 CFUNC :rationalize
c:0004 p:---- s:0011 b:0011 l:000010 d:000010 CFUNC :rationalize
c:0003 p:0022 s:0007 b:0006 l:000c98 d:0011c8 EVAL -e:1
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:000c98 d:000c98 TOP

-- Ruby level backtrace information ----------------------------------------
-e:1:in <main>'
-e:1:inrationalize'
-e:1:in `rationalize'

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

See Crash Report log file under ~/Library/Logs/CrashReporter or
/Library/Logs/CrashReporter, for the more detail of.

-- Other runtime information -----------------------------------------------

• Loaded script: -e

• Loaded features:

0 enumerator.so
1 /Users/dave/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin11.2.0/enc/encdb.bundle
2 /Users/dave/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin11.2.0/enc/trans/transdb.bundle
3 /Users/dave/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/defaults.rb
4 /Users/dave/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/x86_64-darwin11.2.0/rbconfig.rb
5 /Users/dave/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/deprecate.rb
6 /Users/dave/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/exceptions.rb
7 /Users/dave/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb
8 /Users/dave/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/site_ruby/1.9.1/rubygems.rb

[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

[mrkn (Kenta Murata)]

• Assignee set to mrkn (Kenta Murata)

[nobu (Nobuyoshi Nakada)]

• Tracker changed from Backport to Bug
• Project changed from Backport193 to Ruby master

[nobu (Nobuyoshi Nakada)]

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

This issue was solved with changeset r33613.
Dave, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

• complex.c (nucomp_rationalize): fix function. [ruby-core:40667] [Bug #5546]

[nobu (Nobuyoshi Nakada)]

• Tracker changed from Bug to Backport
• Project changed from Ruby master to Backport193

[nobu (Nobuyoshi Nakada)]

• Status changed from Closed to Assigned
• Assignee changed from mrkn (Kenta Murata) to yugui (Yuki Sonoda)

[naruse (Yui NARUSE)]

• Status changed from Assigned to Closed

This issue was solved with changeset r33907.
Dave, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

merge revision(s) r33613:

* complex.c (nucomp_rationalize): fix function.  [ruby-core:40667]
  [Bug #5546]