From: Alejandro Cabello Jiménez <33024690+acabelloj@users.noreply.github.com>
Date: Wed, 12 Nov 2025 00:36:43 +0000 (+0100)
Subject: gh-137928: remove redundant size validation in multiprocessing.heap (GH-137929)
X-Git-Tag: v3.15.0a2~91
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df6676549cd67c7b83111c6fce7c546270604aa6;p=thirdparty%2FPython%2Fcpython.git

gh-137928: remove redundant size validation in multiprocessing.heap (GH-137929)

remove redundant size check, malloc does it

---------

Co-authored-by: Gregory P. Smith <greg@krypto.org>
---

diff --git a/Lib/multiprocessing/heap.py b/Lib/multiprocessing/heap.py
index 6217dfe12689..5c835648395f 100644
--- a/Lib/multiprocessing/heap.py
+++ b/Lib/multiprocessing/heap.py
@@ -324,10 +324,6 @@ class BufferWrapper(object):
     _heap = Heap()
 
     def __init__(self, size):
-        if size < 0:
-            raise ValueError("Size {0:n} out of range".format(size))
-        if sys.maxsize <= size:
-            raise OverflowError("Size {0:n} too large".format(size))
         block = BufferWrapper._heap.malloc(size)
         self._state = (block, size)
         util.Finalize(self, BufferWrapper._heap.free, args=(block,))