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[3.15] gh-151126: Sets missing exceptions in tkinter and socket modules initializations (GH-152418) (#152420)

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gh-151126: Sets missing exceptions in `tkinter` and `socket` modules initializations (GH-152418)
(cherry picked from commit a9fa856014)

Co-authored-by: sobolevn <mail@sobolevn.me>
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Miss Islington (bot) 2026-06-27 17:28:27 +02:00 • committed by GitHub
parent 2c7e8908cd
commit 592575ca7a
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3 changed files with 4 additions and 1 deletions
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2
Misc/NEWS.d/next/Library/2026-06-27-17-19-09.gh-issue-151126.huUyOM.rst Normal file
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@ -0,0 +1,2 @@
Fix two crashes in :mod:`tkinter` and :mod:`socket` modules initialization
under a memory pressure. Sets missing :exc:`MemoryError`.

2
Modules/_tkinter.c
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@ -3574,7 +3574,7 @@ PyInit__tkinter(void)
tcl_lock = PyThread_allocate_lock();
if (tcl_lock == NULL)
return NULL;
return PyErr_NoMemory();
m = PyModule_Create(&_tkintermodule);
if (m == NULL)

1
Modules/socketmodule.c
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@ -9288,6 +9288,7 @@ socket_exec(PyObject *m)
#if defined(USE_GETHOSTBYNAME_LOCK)
netdb_lock = PyThread_allocate_lock();
if (netdb_lock == NULL) {
PyErr_NoMemory();
goto error;
}
#endif