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Bug #13882 ยป http_gzip_hang.rb

wjordan (Will Jordan), 05/29/2020 11:41 PM

 
# Repro https://bugs.ruby-lang.org/issues/13882 using Net::HTTP
# by exiting in the middle of reading gzip-encoded content.

require 'net/http'

HOST = '127.0.0.1'
PORT = 1234

server = nil
# Server
t = Thread.new do
server = TCPServer.new(HOST, PORT)
c = server.accept
c.print "HTTP/1.1 200\r\n"
c.print "Content-Type: text/plain\r\n"
c.print "Content-Encoding: gzip\r\n"
s = StringIO.new
z = Zlib::GzipWriter.new(s)
z.write 'Hello World!'
z.close
c.print "Content-Length: #{s.length}\r\n\r\n"

# Write partial gzip content
c.write s.string.byteslice(0..-2)
end

Thread.pass until server

# Client
Thread.new do
begin
puts Net::HTTP.get(HOST, '/', PORT)
rescue Zlib::BufError => e
puts "Caught error: #{e.inspect}"
end
puts "Sleeping"
sleep
end

at_exit {puts 'Exiting'}

t.join
sleep 0.1
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