Merged revisions 64114 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r64114 | gregory.p.smith | 2008-06-11 09:41:16 +0200 (mer., 11 juin 2008) | 6 lines
Merge in release25-maint r60793:
Added checks for integer overflows, contributed by Google. Some are
only available if asserts are left in the code, in cases where they
can't be triggered from Python code.
........
diff --git a/Parser/node.c b/Parser/node.c
index d133a0d..f4c86cb 100644
--- a/Parser/node.c
+++ b/Parser/node.c
@@ -91,6 +91,9 @@
if (current_capacity < 0 || required_capacity < 0)
return E_OVERFLOW;
if (current_capacity < required_capacity) {
+ if (required_capacity > PY_SIZE_MAX / sizeof(node)) {
+ return E_NOMEM;
+ }
n = n1->n_child;
n = (node *) PyObject_REALLOC(n,
required_capacity * sizeof(node));