From: muraken@...
Date: 2014-04-10T12:47:09+00:00
Subject: [ruby-core:61944] [ruby-trunk - Bug #9718] Segmentation fault is occurred on trunk and 2.1
Issue #9718 has been updated by Kenta Murata.
I confirmed that porting r45553 back to 2.1 is resolved this issue on 2.1.
Please backport it into ruby_2_1 branch.
----------------------------------------
Bug #9718: Segmentation fault is occurred on trunk and 2.1
https://bugs.ruby-lang.org/issues/9718#change-46142
* Author: Kenta Murata
* Status: Closed
* Priority: Normal
* Assignee: Koichi Sasada
* Category: core
* Target version: current: 2.2.0
* ruby -v: ruby 2.2.0dev (2014-04-09 trunk 45543) [x86_64-darwin13]
* Backport: 2.0.0: UNKNOWN, 2.1: REQUIRED
----------------------------------------
The following code occurs segmentation fault on trunk and 2.1.
```ruby
require 'thread'
queue = Queue.new
thread = Thread.start do
loop do
queue.pop.call
end
end
loop do
queue << -> do
p Time.now
sleep 1
end
end
```
Execution log:
```
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2014-04-09 22:10:10 +0900
2014-04-09 22:10:12 +0900
2014-04-09 22:10:13 +0900
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2014-04-09 22:10:16 +0900
2014-04-09 22:10:17 +0900
test2.rb:7: [BUG] Segmentation fault at 0x00000000000000
ruby 2.1.2p80 (2014-03-01 revision 45231) [x86_64-darwin13.0]
-- Crash Report log information --------------------------------------------
See Crash Report log file under the one of following:
* ~/Library/Logs/CrashReporter
* /Library/Logs/CrashReporter
* ~/Library/Logs/DiagnosticReports
* /Library/Logs/DiagnosticReports
for more details.
-- Control frame information -----------------------------------------------
c:0004 p:0011 s:0010 e:000008 BLOCK test2.rb:7 [FINISH]
c:0003 p:---- s:0007 e:000006 CFUNC :loop
c:0002 p:0007 s:0004 e:000003 BLOCK test2.rb:6 [FINISH]
c:0001 p:---- s:0002 e:000001 TOP [FINISH]
test2.rb:6:in `block in <main>'
test2.rb:6:in `loop'
test2.rb:7:in `block (2 levels) in <main>'
-- C level backtrace information -------------------------------------------
0 libruby.2.1.0.dylib 0x000000010a134119 rb_print_backtrace + 25
1 libruby.2.1.0.dylib 0x000000010a134239 rb_vm_bugreport + 153
2 libruby.2.1.0.dylib 0x0000000109f42017 report_bug + 375
3 libruby.2.1.0.dylib 0x0000000109f41e6a rb_bug + 426
4 libruby.2.1.0.dylib 0x000000010a076650 init_sigchld + 0
5 libsystem_platform.dylib 0x00007fff85de95aa _sigtramp + 26
6 libruby.2.1.0.dylib 0x000000010a083d78 st_lookup + 24
7 ??? 0x000000010a697ab0 0x0 + 4469652144
-- Other runtime information -----------------------------------------------
* Loaded script: test2.rb
* Loaded features:
0 enumerator.so
1 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/x86_64-darwin13.0/enc/encdb.bundle
2 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/x86_64-darwin13.0/enc/trans/transdb.bundle
3 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/x86_64-darwin13.0/rbconfig.rb
4 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/compatibility.rb
5 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/defaults.rb
6 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/deprecate.rb
7 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/errors.rb
8 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/version.rb
9 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/requirement.rb
10 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/platform.rb
11 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/basic_specification.rb
12 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/stub_specification.rb
13 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/util/stringio.rb
14 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/specification.rb
15 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/exceptions.rb
16 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/core_ext/kernel_gem.rb
17 thread.rb
18 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/x86_64-darwin13.0/thread.bundle
19 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/monitor.rb
20 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb
21 /Users/mrkn/work/emsegv/lib/ruby/2.1.0/rubygems.rb
[NOTE]
You may have encountered a bug in the Ruby interpreter or extension libraries.
Bug reports are welcome.
For details: http://www.ruby-lang.org/bugreport.html
Abort trap: 6
```
---Files--------------------------------
ruby_2014-04-09-221019_P524.crash (12.2 KB)
--
https://bugs.ruby-lang.org/