Bug #4313: File.identical? cause Segmentation Fault if take a long string.

• Status: Closed
• Assignee: -
• Target version: 1.9.3
• ruby -v: ruby 1.9.3dev (2011-01-23 trunk 30640) [i386-mswin32_100]

[kosaki (Motohiro KOSAKI)]

=begin
Following script crash immediately, But error log doesn't display at all.

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ruby -ve 'p File.identical?("a"*100_000_000, "a")'

ruby 1.9.3dev (2011-01-23 trunk 30640) [i386-mswin32_100]
=end

[kosaki (Motohiro KOSAKI)]

=begin
It maybe windows only. I doubt w32_io_info makes stack overflow.
=end

[jhkelly05 (James Kelly)]

=begin
Bug does not does not seem to be present in ruby 1.8.7 or 1.9.2-p0 i386 Linux
=end

[kosaki (Motohiro KOSAKI)]

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

=begin
This issue was solved with changeset r30667.
Motohiro, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

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• file.c (w32_io_info): get rid of too huge alloca().
  [Bug #4313] [ruby-core:34830]
  =end