https://github.com/python/cpython/commit/bb5ff8cfc65d587a7569f9427c48290472ce8bb4 commit: bb5ff8cfc65d587a7569f9427c48290472ce8bb4 branch: 3.15 author: Miss Islington (bot) <[email protected]> committer: encukou <[email protected]> date: 2026-10-09T17:46:58+02:00 summary:
[3.15] gh-151126: Fix `PyErr_NoMemory` errors in `_ctypes.c` (GH-152720) (GH-153710) gh-151126: Fix `PyErr_NoMemory` errors in `_ctypes.c` (GH-152720) (cherry picked from commit d807210fee5606f8d504c1677f7e5ecb5f208a1e) Co-authored-by: stevens <[email protected]> files: A Misc/NEWS.d/next/Library/2026-07-01-11-29-13.gh-issue-151126.eElGy5.rst M Modules/_ctypes/_ctypes.c diff --git a/Misc/NEWS.d/next/Library/2026-07-01-11-29-13.gh-issue-151126.eElGy5.rst b/Misc/NEWS.d/next/Library/2026-07-01-11-29-13.gh-issue-151126.eElGy5.rst new file mode 100644 index 000000000000000..d5ec1d254ef056e --- /dev/null +++ b/Misc/NEWS.d/next/Library/2026-07-01-11-29-13.gh-issue-151126.eElGy5.rst @@ -0,0 +1,3 @@ +Fix a crash caused by failing to set :exc:`MemoryError` on allocation failure +when passing :class:`ctypes.Structure` or :class:`ctypes.Union` instances by +value to ctypes foreign functions. diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c index e891249668c20f5..adfdf44e53604e3 100644 --- a/Modules/_ctypes/_ctypes.c +++ b/Modules/_ctypes/_ctypes.c @@ -673,6 +673,7 @@ StructUnionType_paramfunc(ctypes_state *st, CDataObject *self) if ((size_t)self->b_size > sizeof(void*)) { ptr = PyMem_Malloc(self->b_size); if (ptr == NULL) { + PyErr_NoMemory(); return NULL; } memcpy(ptr, self->b_ptr, self->b_size); _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
