From 19c4e0df29234355074fe7ec67857f0a0b7e0a18 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 4 Feb 2013 12:47:24 +0200
Subject: Issue #6083: Fix multiple segmentation faults occured when
 PyArg_ParseTuple parses nested mutating sequence.

---
 Lib/test/test_resource.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'Lib/test/test_resource.py')

diff --git a/Lib/test/test_resource.py b/Lib/test/test_resource.py
index 3c9b620702..f3416b7b43 100644
--- a/Lib/test/test_resource.py
+++ b/Lib/test/test_resource.py
@@ -107,6 +107,23 @@ class ResourceTest(unittest.TestCase):
         except (ValueError, AttributeError):
             pass
 
+    # Issue 6083: Reference counting bug
+    def test_setrusage_refcount(self):
+        try:
+            limits = resource.getrlimit(resource.RLIMIT_CPU)
+        except AttributeError:
+            pass
+        else:
+            class BadSequence:
+                def __len__(self):
+                    return 2
+                def __getitem__(self, key):
+                    if key in (0, 1):
+                        return len(tuple(range(1000000)))
+                    raise IndexError
+
+            resource.setrlimit(resource.RLIMIT_CPU, BadSequence())
+
 def test_main(verbose=None):
     support.run_unittest(ResourceTest)
 
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