https://github.com/python/cpython/commit/d4dfad2aa9e76038302b0c5a29ebacc2723ed50d
commit: d4dfad2aa9e76038302b0c5a29ebacc2723ed50d
branch: main
author: Serhiy Storchaka <[email protected]>
committer: serhiy-storchaka <[email protected]>
date: 2024-01-16T11:31:34Z
summary:
gh-114077: Fix OverflowError in socket.sendfile() when pass count >2GiB
(GH-114079)
files:
A Misc/NEWS.d/next/Library/2024-01-15-12-12-54.gh-issue-114077.KcVnfj.rst
M Lib/socket.py
diff --git a/Lib/socket.py b/Lib/socket.py
index 5f0a1f40e25b94..77986fc2e48099 100644
--- a/Lib/socket.py
+++ b/Lib/socket.py
@@ -382,7 +382,7 @@ def _sendfile_use_sendfile(self, file, offset=0,
count=None):
if timeout and not selector_select(timeout):
raise TimeoutError('timed out')
if count:
- blocksize = count - total_sent
+ blocksize = min(count - total_sent, blocksize)
if blocksize <= 0:
break
try:
diff --git
a/Misc/NEWS.d/next/Library/2024-01-15-12-12-54.gh-issue-114077.KcVnfj.rst
b/Misc/NEWS.d/next/Library/2024-01-15-12-12-54.gh-issue-114077.KcVnfj.rst
new file mode 100644
index 00000000000000..dba086f3a8a484
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-01-15-12-12-54.gh-issue-114077.KcVnfj.rst
@@ -0,0 +1,2 @@
+Fix possible :exc:`OverflowError` in :meth:`socket.socket.sendfile` when pass
+*count* larger than 2 GiB on 32-bit platform.
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