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V2 P! )z3import _testcapi; _testcapi.pymem_buffer_overflow()a6 Debug memory block at address p={ptr}: API 'm'\n 16 bytes originally requested\n The [0-9] pad bytes at p-[0-9] are FORBIDDENBYTE, as expected.\n The [0-9] pad bytes at tail={ptr} are not all FORBIDDENBYTE \(0x[0-9a-f]{{2}}\):\n at tail\+0: 0x78 \*\*\* OUCH\n at tail\+1: 0xfd\n at tail\+2: 0xfd\n .*\n( The block was made by call #[0-9]+ to debug malloc/realloc.\n)? Data at p: cd cd cd .*\n\nEnable tracemalloc to get the memory block allocation traceback\n\nFatal Python error: _PyMem_DebugRawFree: bad trailing pad byte��ptr)�flags)r �format� PTR_REGEX�re�compile�DOTALL� assertRegex�r r �regexs & r �test_buffer_overflow�$PyMemDebugTests.test_buffer_overflow% sQ � ��j�j�N�O��
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�5�� � �2�� ����$� c � � U O Q 2 oQoUO U O Q5 oU O V2 P! )z.import _testcapi; _testcapi.pymem_api_misuse()a� Debug memory block at address p={ptr}: API 'm'\n 16 bytes originally requested\n The [0-9] pad bytes at p-[0-9] are FORBIDDENBYTE, as expected.\n The [0-9] pad bytes at tail={ptr} are FORBIDDENBYTE, as expected.\n( The block was made by call #[0-9]+ to debug malloc/realloc.\n)? Data at p: cd cd cd .*\n\nEnable tracemalloc to get the memory block allocation traceback\n\nFatal Python error: _PyMem_DebugRawFree: bad ID: Allocated using API 'm', verified using API 'r'\nr! )r r$ r% r) r* s & r �test_api_misuse� PyMemDebugTests.test_api_misuse9 s= � ��j�j�I�J�� w�� � � �� � � �0�� ����$r. c � � U O U2 o[ O % f Q oLQoU O V22 P! )z^Fatal Python error: _PyMem_DebugMalloc: Python memory allocator called without holding the GILz�Fatal Python error: _PyMem_DebugMalloc: Python memory allocator called without an active thread state. Are you trying to call it inside of a Py_BEGIN_ALLOW_THREADS block?)r r �Py_GIL_DISABLED�assertIn)r r r �expecteds && r �check_malloc_without_gil�(PyMemDebugTests.check_malloc_without_gilH s: � ��j�j�� ���&�&�&�Q�H�^�H�
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�h�$r. c �. � Q oU O U2 P! )z6import _testcapi; _testcapi.pymem_malloc_without_gil()�r6 �r r s & r � test_pymem_malloc_without_gil�-PyMemDebugTests.test_pymem_malloc_without_gilS s � � H�� �%�%�d�+r. c �. � Q oU O U2 P! )z9import _testcapi; _testcapi.pyobject_malloc_without_gil()r9 r: s & r � test_pyobject_malloc_without_gil�0PyMemDebugTests.test_pyobject_malloc_without_gilY s � � K�� �%�%�d�+r. c �p � [ O Q U Q02 o[ QUU O QQQ5 P! )z�
import gc, os, sys, _testinternalcapi
# Disable the GC to avoid crash on GC collection
gc.disable()
_testinternalcapi.z�()
# Exit immediately to avoid a crash while deallocating
# the invalid object
os._exit(0)
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import _testcapi
class C(): pass
# The first loop tests both functions and that remove_mem_hooks()
# can be called twice in a row. The second loop checks a call to
# set_nomemory() after a call to remove_mem_hooks(). The third
# loop checks the start and stop arguments of set_nomemory().
for outer_cnt in range(1, 4):
start = 10 * outer_cnt
for j in range(100):
if j == 0:
if outer_cnt != 3:
_testcapi.set_nomemory(start)
else:
_testcapi.set_nomemory(start, start + 1)
try:
C()
except MemoryError as e:
if outer_cnt != 3:
_testcapi.remove_mem_hooks()
print('MemoryError', outer_cnt, j)
_testcapi.remove_mem_hooks()
break
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