change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/include/net/scm.h
..
..
@@ -105,16 +105,27 @@
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 		}
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 	}
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 }
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+
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+static inline bool scm_has_secdata(struct socket *sock)
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+{
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+	return test_bit(SOCK_PASSSEC, &sock->flags);
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+}
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 #else
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 static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
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 { }
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+
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+static inline bool scm_has_secdata(struct socket *sock)
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+{
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+	return false;
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+}
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 #endif /* CONFIG_SECURITY_NETWORK */
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 static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
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 				struct scm_cookie *scm, int flags)
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 {
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 	if (!msg->msg_control) {
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-		if (test_bit(SOCK_PASSCRED, &sock->flags) || scm->fp)
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+		if (test_bit(SOCK_PASSCRED, &sock->flags) || scm->fp ||
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+		    scm_has_secdata(sock))
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 			msg->msg_flags |= MSG_CTRUNC;
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 		scm_destroy(scm);
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 		return;