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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Miaohe Lin <linmiaohe@huawei.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH 4.14 06/14] net: udp: Fix wrong clean up for IS_UDPLITE macro
Date: Thu, 30 Jul 2020 10:04:49 +0200	[thread overview]
Message-ID: <20200730074419.205288671@linuxfoundation.org> (raw)
In-Reply-To: <20200730074418.882736401@linuxfoundation.org>

From: Miaohe Lin <linmiaohe@huawei.com>

[ Upstream commit b0a422772fec29811e293c7c0e6f991c0fd9241d ]

We can't use IS_UDPLITE to replace udp_sk->pcflag when UDPLITE_RECV_CC is
checked.

Fixes: b2bf1e2659b1 ("[UDP]: Clean up for IS_UDPLITE macro")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/ipv4/udp.c |    2 +-
 net/ipv6/udp.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1894,7 +1894,7 @@ static int udp_queue_rcv_skb(struct sock
 	/*
 	 * 	UDP-Lite specific tests, ignored on UDP sockets
 	 */
-	if ((is_udplite & UDPLITE_RECV_CC)  &&  UDP_SKB_CB(skb)->partial_cov) {
+	if ((up->pcflag & UDPLITE_RECV_CC)  &&  UDP_SKB_CB(skb)->partial_cov) {
 
 		/*
 		 * MIB statistics other than incrementing the error count are
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -629,7 +629,7 @@ static int udpv6_queue_rcv_skb(struct so
 	/*
 	 * UDP-Lite specific tests, ignored on UDP sockets (see net/ipv4/udp.c).
 	 */
-	if ((is_udplite & UDPLITE_RECV_CC)  &&  UDP_SKB_CB(skb)->partial_cov) {
+	if ((up->pcflag & UDPLITE_RECV_CC)  &&  UDP_SKB_CB(skb)->partial_cov) {
 
 		if (up->pcrlen == 0) {          /* full coverage was set  */
 			net_dbg_ratelimited("UDPLITE6: partial coverage %d while full coverage %d requested\n",



  parent reply	other threads:[~2020-07-30  8:08 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-30  8:04 [PATCH 4.14 00/14] 4.14.191-rc1 review Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 01/14] AX.25: Fix out-of-bounds read in ax25_connect() Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 02/14] AX.25: Prevent out-of-bounds read in ax25_sendmsg() Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 03/14] dev: Defer free of skbs in flush_backlog Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 04/14] drivers/net/wan/x25_asy: Fix to make it work Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 05/14] net-sysfs: add a newline when printing tx_timeout by sysfs Greg Kroah-Hartman
2020-07-30  8:04 ` Greg Kroah-Hartman [this message]
2020-07-30  8:04 ` [PATCH 4.14 07/14] rxrpc: Fix sendmsg() returning EPIPE due to recvmsg() returning ENODATA Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 08/14] AX.25: Prevent integer overflows in connect and sendmsg Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 09/14] ip6_gre: fix null-ptr-deref in ip6gre_init_net() Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 10/14] rtnetlink: Fix memory(net_device) leak when ->newlink fails Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 11/14] tcp: allow at most one TLP probe per flight Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 12/14] mm/page_owner.c: remove drain_all_pages from init_early_allocated_pages Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 13/14] regmap: debugfs: check count when read regmap file Greg Kroah-Hartman
2020-07-30  8:04 ` [PATCH 4.14 14/14] xfs: set format back to extents if xfs_bmap_extents_to_btree Greg Kroah-Hartman
2020-07-30 16:47 ` [PATCH 4.14 00/14] 4.14.191-rc1 review Guenter Roeck
2020-07-31 12:15 ` Naresh Kamboju
2020-07-31 12:42 ` Jon Hunter

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