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GH-88968: Reject socket that is already used as a transport #98010

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Merged
gvanrossum merged 4 commits into from
Oct 7, 2022
Merged

GH-88968: Reject socket that is already used as a transport #98010

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6783dda
In _make_socket_transport, ensure the fd isn't already used by a tran…
gvanrossum Oct 7, 2022
fda2111
Make existing tests pass
gvanrossum Oct 7, 2022
6224b18
Test that _ensure_fd_no_transport is called
gvanrossum Oct 7, 2022
1c348f1
Same check for _make_ssl_transport and _make_datagram_transport
gvanrossum Oct 7, 2022
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In _make_socket_transport, ensure the fd isn't already used by a tran… 
…sport
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@gvanrossum
gvanrossum committed Oct 7, 2022
commit 6783ddaf0384cdbeb0b29cba0418755c4a811c9a
1 change: 1 addition & 0 deletions Lib/asyncio/selector_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ def __init__(self, selector=None):

def _make_socket_transport(self, sock, protocol, waiter=None, *,
extra=None, server=None):
self._ensure_fd_no_transport(sock)
return _SelectorSocketTransport(self, sock, protocol, waiter,
extra, server)

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