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Bug #11567
closed
Segmentation fault CFUNC :gets
Bug #11567: Segmentation fault CFUNC :gets
Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-linux]
Description
Running the below code under 2.2.3 results in a segmentation fault. Runs without issue on 2.1.6. Output attached as a text file.
require 'open3' require 'pp' data_accessor = Mutex.new results = {} threads = [] 200.times.each do |i| threads << Thread.new do Open3.popen3('ping localhost -c 2') do |_stdin, stdout, stderr, thread| { out: stdout, err: stderr }.each do |key, stream| t = "#{i}-" + key.to_s data_accessor.synchronize do results[t] = [] end Thread.new do until (line = stream.gets).nil? data_accessor.synchronize do results[t].push line end end end end thread.join end end end threads.each(&:join) pp results Files
Updated by hsbt (Hiroshi SHIBATA) over 9 years ago
- Description updated (diff)
- Status changed from Open to Feedback
I couldn't reproduce this with latest versions of 2.1-2.4.
Please try with 2.2.5 or 2.3.1.
Updated by nh_cham (Michael Specht) over 8 years ago
I'm having the same problem. Running the code as it is, I get reproducible crashes with both Ruby 2.3.1 and 2.4.0:
test.rb:18: [BUG] Segmentation fault at 0x00000000000000 ruby 2.4.0p0 (2016-12-24 revision 57164) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0003 p:---- s:0011 e:000010 CFUNC :gets c:0002 p:0027 s:0007 e:000006 BLOCK test.rb:18 [FINISH] c:0001 p:---- s:0003 e:000002 (none) [FINISH] test.rb:18: [BUG] Segmentation fault at 0x00000000000000 ruby 2.3.1p112 (2016-04-26) [x86_64-linux-gnu] -- Control frame information ----------------------------------------------- c:0003 p:---- s:0008 e:000007 CFUNC :gets c:0002 p:0027 s:0005 e:000004 BLOCK test.rb:18 [FINISH] c:0001 p:---- s:0002 e:000001 (none) [FINISH] I can't even get the complete output or Ctrl+C out of it, because my shell hangs after that (two different systems), but it helps to kill -9 the Ruby process.
Updated by nobu (Nobuyoshi Nakada) over 8 years ago
Updated by shyouhei (Shyouhei Urabe) over 8 years ago
- Status changed from Feedback to Closed
It seems fixed already. Try a newer version. Tell us if it still happens.
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