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Backport #8467

closed

Rewinding and iterating through gzipped IO leads to segmentation fault

Backport #8467: Rewinding and iterating through gzipped IO leads to segmentation fault

Added by vicente.mundim (Vicente Mundim) over 13 years ago. Updated over 13 years ago.

Status:
Closed
Assignee:
nagachika (Tomoyuki Chikanaga)
[ruby-core:55220]

Description

The following steps reproduce the bug in 2.0.0:

  • Create a file and gzip it in a terminal:

    echo "some content" > compressed_file && gzip compressed_file

Then start a IRB session with the following code:

require 'zlib'
filename = "compressed_file.gz"
io = Zlib::GzipReader.new(open(filename, 'rb'))
io.rewind
io.each {} # segmentation_fault in Ruby 2.0.0

This works in Ruby 1.9.3, 1.9.2, and 1.8.7.

Files

Download all files
zlib_bug.rb (152 Bytes) zlib_bug.rb File with code to reproduce bug vicente.mundim (Vicente Mundim), 06/01/2013 12:15 AM
ruby_2013-05-31-121414_vm-imac.crash (8.99 KB) ruby_2013-05-31-121414_vm-imac.crash Crash report vicente.mundim (Vicente Mundim), 06/01/2013 12:15 AM
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