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-rw-r--r--pflocal/sock.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/pflocal/sock.c b/pflocal/sock.c
index 90c618ec..6bc061d6 100644
--- a/pflocal/sock.c
+++ b/pflocal/sock.c
@@ -1,6 +1,6 @@
/* Sock functions
- Copyright (C) 1995,96,2000,01,02, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1995,96,2000,01,02, 2005, 2025 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.org>
This program is free software; you can redistribute it and/or
@@ -167,8 +167,11 @@ sock_clone (struct sock *template, struct sock **sock)
if (err)
return err;
- /* Copy some properties from TEMPLATE. */
- (*sock)->flags = template->flags & ~PFLOCAL_SOCK_CONNECTED;
+ /* Copy some properties from TEMPLATE. Clear O_NONBLOCK because the socket
+ returned by 'accept' must not inherit O_NONBLOCK from the parent
+ socket. */
+ (*sock)->flags =
+ template->flags & ~(PFLOCAL_SOCK_CONNECTED | PFLOCAL_SOCK_NONBLOCK);
return 0;
}