[Python-checkins] r77823 - in python/branches/py3k: Lib/test/list_tests.py Lib/test/test_array.py Lib/test/test_bytes.py Misc/NEWS Modules/arraymodule.c Objects/bytearrayobject.c Objects/listobject.c

mark.dickinson python-checkins at python.org
Fri Jan 29 18:27:24 CET 2010


Author: mark.dickinson
Date: Fri Jan 29 18:27:24 2010
New Revision: 77823

Log:
Merged revisions 77821 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77821 | mark.dickinson | 2010-01-29 17:11:39 +0000 (Fri, 29 Jan 2010) | 3 lines
  
  Issue #7788: Fix a crash produced by deleting a list slice with huge
  step value.  Patch by Marcin Bachry.
........


Modified:
   python/branches/py3k/   (props changed)
   python/branches/py3k/Lib/test/list_tests.py
   python/branches/py3k/Lib/test/test_array.py
   python/branches/py3k/Lib/test/test_bytes.py
   python/branches/py3k/Misc/NEWS
   python/branches/py3k/Modules/arraymodule.c
   python/branches/py3k/Objects/bytearrayobject.c
   python/branches/py3k/Objects/listobject.c

Modified: python/branches/py3k/Lib/test/list_tests.py
==============================================================================
--- python/branches/py3k/Lib/test/list_tests.py	(original)
+++ python/branches/py3k/Lib/test/list_tests.py	Fri Jan 29 18:27:24 2010
@@ -540,6 +540,9 @@
         a = self.type2test(range(10))
         a[::2] = tuple(range(5))
         self.assertEqual(a, self.type2test([0, 1, 1, 3, 2, 5, 3, 7, 4, 9]))
+        # test issue7788
+        a = self.type2test(range(10))
+        del a[9::1<<333]
 
     def test_constructor_exception_handling(self):
         # Bug #1242657

Modified: python/branches/py3k/Lib/test/test_array.py
==============================================================================
--- python/branches/py3k/Lib/test/test_array.py	(original)
+++ python/branches/py3k/Lib/test/test_array.py	Fri Jan 29 18:27:24 2010
@@ -1011,6 +1011,9 @@
         a = array.array(self.typecode, range(10))
         del a[::1000]
         self.assertEqual(a, array.array(self.typecode, [1,2,3,4,5,6,7,8,9]))
+        # test issue7788
+        a = array.array(self.typecode, range(10))
+        del a[9::1<<333]
 
     def test_assignment(self):
         a = array.array(self.typecode, range(10))

Modified: python/branches/py3k/Lib/test/test_bytes.py
==============================================================================
--- python/branches/py3k/Lib/test/test_bytes.py	(original)
+++ python/branches/py3k/Lib/test/test_bytes.py	Fri Jan 29 18:27:24 2010
@@ -600,7 +600,7 @@
         self.assertEqual(b, bytearray([0, 1, 2, 42, 42, 42, 3, 4, 5, 6, 7, 8, 9]))
 
     def test_extended_set_del_slice(self):
-        indices = (0, None, 1, 3, 19, 300, -1, -2, -31, -300)
+        indices = (0, None, 1, 3, 19, 300, 1<<333, -1, -2, -31, -300)
         for start in indices:
             for stop in indices:
                 # Skip invalid step 0

Modified: python/branches/py3k/Misc/NEWS
==============================================================================
--- python/branches/py3k/Misc/NEWS	(original)
+++ python/branches/py3k/Misc/NEWS	Fri Jan 29 18:27:24 2010
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #7788: Fix an interpreter crash produced by deleting a list
+  slice with very large step value.
+
 - Issue #7766: Change sys.getwindowsversion() return value to a named
   tuple and add the additional members returned in an OSVERSIONINFOEX
   structure. The new members are service_pack_major, service_pack_minor,

Modified: python/branches/py3k/Modules/arraymodule.c
==============================================================================
--- python/branches/py3k/Modules/arraymodule.c	(original)
+++ python/branches/py3k/Modules/arraymodule.c	Fri Jan 29 18:27:24 2010
@@ -2199,8 +2199,9 @@
 	}
 	else if (needed == 0) {
 		/* Delete slice */
-		Py_ssize_t cur, i;
-		
+		size_t cur;
+		Py_ssize_t i;
+
 		if (step < 0) {
 			stop = start + 1;
 			start = stop + step * (slicelength - 1) - 1;

Modified: python/branches/py3k/Objects/bytearrayobject.c
==============================================================================
--- python/branches/py3k/Objects/bytearrayobject.c	(original)
+++ python/branches/py3k/Objects/bytearrayobject.c	Fri Jan 29 18:27:24 2010
@@ -642,7 +642,8 @@
     else {
         if (needed == 0) {
             /* Delete slice */
-            Py_ssize_t cur, i;
+            size_t cur;
+            Py_ssize_t i;
 
             if (!_canresize(self))
                 return -1;

Modified: python/branches/py3k/Objects/listobject.c
==============================================================================
--- python/branches/py3k/Objects/listobject.c	(original)
+++ python/branches/py3k/Objects/listobject.c	Fri Jan 29 18:27:24 2010
@@ -2444,7 +2444,8 @@
 		if (value == NULL) {
 			/* delete slice */
 			PyObject **garbage;
-			Py_ssize_t cur, i;
+			size_t cur;
+			Py_ssize_t i;
 
 			if (slicelength <= 0)
 				return 0;


More information about the Python-checkins mailing list