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authorDavid S. Miller <davem@davemloft.net>2015-12-31 18:20:10 -0500
committerDavid S. Miller <davem@davemloft.net>2015-12-31 18:20:10 -0500
commitc07f30ad68053181b3e8a0e65b0630e12e844f91 (patch)
tree8758968aabc844c435ff2a5d7d02c835fccd02a3 /net/sctp
parent7b22a7788b0263f42f7232c5c05c503424ffa0ba (diff)
parent9c982e86dbdbaa3fb248dfc776dddda32cbc8927 (diff)
downloadlinux-c07f30ad68053181b3e8a0e65b0630e12e844f91.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/sm_statefuns.c6
-rw-r--r--net/sctp/socket.c14
2 files changed, 13 insertions, 7 deletions
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index cd34a4a34065..22c2bf367d7e 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -4829,7 +4829,8 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(
 
 	retval = SCTP_DISPOSITION_CONSUME;
 
-	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
+	if (abort)
+		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
 
 	/* Even if we can't send the ABORT due to low memory delete the
 	 * TCB.  This is a departure from our typical NOMEM handling.
@@ -4966,7 +4967,8 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
 			SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
 	retval = SCTP_DISPOSITION_CONSUME;
 
-	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
+	if (abort)
+		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
 
 	sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
 			SCTP_STATE(SCTP_STATE_CLOSED));
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 2a1e8ba2808c..b5f4811cea82 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1301,8 +1301,9 @@ static int __sctp_setsockopt_connectx(struct sock *sk,
 				      int addrs_size,
 				      sctp_assoc_t *assoc_id)
 {
-	int err = 0;
 	struct sockaddr *kaddrs;
+	gfp_t gfp = GFP_KERNEL;
+	int err = 0;
 
 	pr_debug("%s: sk:%p addrs:%p addrs_size:%d\n",
 		 __func__, sk, addrs, addrs_size);
@@ -1315,7 +1316,9 @@ static int __sctp_setsockopt_connectx(struct sock *sk,
 		return -EFAULT;
 
 	/* Alloc space for the address array in kernel memory.  */
-	kaddrs = kmalloc(addrs_size, GFP_KERNEL);
+	if (sk->sk_socket->file)
+		gfp = GFP_USER | __GFP_NOWARN;
+	kaddrs = kmalloc(addrs_size, gfp);
 	if (unlikely(!kaddrs))
 		return -ENOMEM;
 
@@ -1513,8 +1516,7 @@ static void sctp_close(struct sock *sk, long timeout)
 			struct sctp_chunk *chunk;
 
 			chunk = sctp_make_abort_user(asoc, NULL, 0);
-			if (chunk)
-				sctp_primitive_ABORT(net, asoc, chunk);
+			sctp_primitive_ABORT(net, asoc, chunk);
 		} else
 			sctp_primitive_SHUTDOWN(net, asoc, NULL);
 	}
@@ -5773,7 +5775,7 @@ static int sctp_getsockopt_assoc_ids(struct sock *sk, int len,
 
 	len = sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num;
 
-	ids = kmalloc(len, GFP_KERNEL);
+	ids = kmalloc(len, GFP_USER | __GFP_NOWARN);
 	if (unlikely(!ids))
 		return -ENOMEM;
 
@@ -7199,6 +7201,8 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
 
 	if (newsk->sk_flags & SK_FLAGS_TIMESTAMP)
 		net_enable_timestamp();
+
+	security_sk_clone(sk, newsk);
 }
 
 static inline void sctp_copy_descendant(struct sock *sk_to,