cpython/Lib/test/crashers/loosing_dict_ref.py

22 lines
444 B
Python

# http://python.org/sf/1303614
class Strange(object):
def __hash__(self):
return hash('hello')
def __eq__(self, other):
x.__dict__ = {} # the old x.__dict__ is deallocated
return False
class X(object):
pass
if __name__ == '__main__':
v = 123
x = X()
x.__dict__ = {Strange(): 42,
'hello': v+456}
x.hello # segfault: the above dict is accessed after it's deallocated