From fb5d84effe4e90aaedb5e202e2a44ece749c29b3 Mon Sep 17 00:00:00 2001
From: dchagin <dchagin@FreeBSD.org>
Date: Thu, 21 Jan 2016 19:19:24 +0000
Subject: MFC 294233:

Prevent double free of control in common sendmsg path as sosend
already freeing it.
---
 sys/compat/linux/linux_socket.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c
index 34af9da..dee4093 100644
--- a/sys/compat/linux/linux_socket.c
+++ b/sys/compat/linux/linux_socket.c
@@ -1164,6 +1164,7 @@ linux_sendmsg_common(struct thread *td, l_int s, struct l_msghdr *msghdr,
 	msg.msg_iov = iov;
 	msg.msg_flags = 0;
 	error = linux_sendit(td, s, &msg, flags, control, UIO_USERSPACE);
+	control = NULL;
 
 bad:
 	m_freem(control);
-- 
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