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[3.13] gh-128916: Do not set SO_REUSEPORT on non-AF_INET* sockets (GH-128933) (#128969)

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gh-128916: Do not set `SO_REUSEPORT` on non-`AF_INET*` sockets (GH-128933)

* gh-128916: Do not set `SO_REUSEPORT` on non-`AF_INET*` sockets

Do not attempt to set ``SO_REUSEPORT`` on sockets of address familifies other
than ``AF_INET`` and ``AF_INET6``, as it is meaningless with these address
families, and the call with fail with Linux kernel 6.12.9 and newer.

* Apply suggestions from code review



---------
(cherry picked from commit 3829104ab4)

Co-authored-by: Michał Górny <mgorny@gentoo.org>
Co-authored-by: Vinay Sajip <vinay_sajip@yahoo.co.uk>
This commit is contained in:
Miss Islington (bot) 2025-01-18 04:45:42 +01:00 • committed by GitHub
parent 77e29c75da
commit d8a442637b
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4 changed files with 15 additions and 3 deletions
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4
Lib/asyncio/base_events.py
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@ -1590,7 +1590,9 @@ class BaseEventLoop(events.AbstractEventLoop):
if reuse_address:
sock.setsockopt(
socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
if reuse_port:
# Since Linux 6.12.9, SO_REUSEPORT is not allowed
# on other address families than AF_INET/AF_INET6.
if reuse_port and af in (socket.AF_INET, socket.AF_INET6):
_set_reuseport(sock)
if keep_alive:
sock.setsockopt(