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Bug #4313

File.identical? cause Segmentation Fault if take a long string.

Added by kosaki (Motohiro KOSAKI) over 9 years ago. Updated about 9 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
1.9.3
ruby -v:
ruby 1.9.3dev (2011-01-23 trunk 30640) [i386-mswin32_100]
Backport:
[ruby-core:34830]

Description

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

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

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

#1

Updated by kosaki (Motohiro KOSAKI) over 9 years ago

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

#2

Updated by jhkelly05 (James Kelly) over 9 years ago

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

#3

Updated by kosaki (Motohiro KOSAKI) over 9 years ago

  • 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.

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

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