From ee930fffee469d076998274a2ca55e13dc1efb67 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:54 +0000
Subject: [PATCH] enable tun/tap/iptables
---
kernel/include/net/scm.h | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/kernel/include/net/scm.h b/kernel/include/net/scm.h
index 1ce365f..585adc1 100644
--- a/kernel/include/net/scm.h
+++ b/kernel/include/net/scm.h
@@ -105,16 +105,27 @@
}
}
}
+
+static inline bool scm_has_secdata(struct socket *sock)
+{
+ return test_bit(SOCK_PASSSEC, &sock->flags);
+}
#else
static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm)
{ }
+
+static inline bool scm_has_secdata(struct socket *sock)
+{
+ return false;
+}
#endif /* CONFIG_SECURITY_NETWORK */
static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
struct scm_cookie *scm, int flags)
{
if (!msg->msg_control) {
- if (test_bit(SOCK_PASSCRED, &sock->flags) || scm->fp)
+ if (test_bit(SOCK_PASSCRED, &sock->flags) || scm->fp ||
+ scm_has_secdata(sock))
msg->msg_flags |= MSG_CTRUNC;
scm_destroy(scm);
return;
--
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