6 files changed, 21 insertions, 9 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d680beb91b0a..94dceac52884 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -85,7 +85,7 @@
 #include <linux/netconf.h>
 #include <linux/random.h>
 #include <linux/uaccess.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c
index eb8ee1e9373a..dbcea9fee626 100644
--- a/net/ipv6/calipso.c
+++ b/net/ipv6/calipso.c
@@ -29,7 +29,7 @@
 #include <net/calipso.h>
 #include <linux/atomic.h>
 #include <linux/bug.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include <linux/crc-ccitt.h>
 
 /* Maximium size of the calipso option including
diff --git a/net/ipv6/netfilter/nf_dup_ipv6.c b/net/ipv6/netfilter/nf_dup_ipv6.c
index a0a2de30be3e..0c39c77fe8a8 100644
--- a/net/ipv6/netfilter/nf_dup_ipv6.c
+++ b/net/ipv6/netfilter/nf_dup_ipv6.c
@@ -47,11 +47,12 @@ static bool nf_dup_ipv6_route(struct net *net, struct sk_buff *skb,
 void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum,
 		 const struct in6_addr *gw, int oif)
 {
+	local_bh_disable();
 	if (this_cpu_read(nf_skb_duplicated))
-		return;
+		goto out;
 	skb = pskb_copy(skb, GFP_ATOMIC);
 	if (skb == NULL)
-		return;
+		goto out;
 
 #if IS_ENABLED(CONFIG_NF_CONNTRACK)
 	nf_reset_ct(skb);
@@ -69,6 +70,8 @@ void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum,
 	} else {
 		kfree_skb(skb);
 	}
+out:
+	local_bh_enable();
 }
 EXPORT_SYMBOL_GPL(nf_dup_ipv6);
 
diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c
index 36dc14b34388..c9f1634b3838 100644
--- a/net/ipv6/netfilter/nft_fib_ipv6.c
+++ b/net/ipv6/netfilter/nft_fib_ipv6.c
@@ -41,8 +41,6 @@ static int nft_fib6_flowi_init(struct flowi6 *fl6, const struct nft_fib *priv,
 	if (ipv6_addr_type(&fl6->daddr) & IPV6_ADDR_LINKLOCAL) {
 		lookup_flags |= RT6_LOOKUP_F_IFACE;
 		fl6->flowi6_oif = get_ifindex(dev ? dev : pkt->skb->dev);
-	} else if (priv->flags & NFTA_FIB_F_IIF) {
-		fl6->flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev);
 	}
 
 	if (ipv6_addr_type(&fl6->saddr) & IPV6_ADDR_UNICAST)
@@ -75,6 +73,8 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv,
 	else if (priv->flags & NFTA_FIB_F_OIF)
 		dev = nft_out(pkt);
 
+	fl6.flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev);
+
 	nft_fib6_flowi_init(&fl6, priv, pkt, dev, iph);
 
 	if (dev && nf_ipv6_chk_addr(nft_net(pkt), &fl6.daddr, dev, true))
@@ -165,6 +165,7 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs,
 		.flowi6_iif = LOOPBACK_IFINDEX,
 		.flowi6_proto = pkt->tprot,
 		.flowi6_uid = sock_net_uid(nft_net(pkt), NULL),
+		.flowi6_l3mdev = l3mdev_master_ifindex_rcu(nft_in(pkt)),
 	};
 	struct rt6_info *rt;
 	int lookup_flags;
diff --git a/net/ipv6/tcpv6_offload.c b/net/ipv6/tcpv6_offload.c
index 23971903e66d..a45bf17cb2a1 100644
--- a/net/ipv6/tcpv6_offload.c
+++ b/net/ipv6/tcpv6_offload.c
@@ -159,8 +159,14 @@ static struct sk_buff *tcp6_gso_segment(struct sk_buff *skb,
 	if (!pskb_may_pull(skb, sizeof(*th)))
 		return ERR_PTR(-EINVAL);
 
-	if (skb_shinfo(skb)->gso_type & SKB_GSO_FRAGLIST)
-		return __tcp6_gso_segment_list(skb, features);
+	if (skb_shinfo(skb)->gso_type & SKB_GSO_FRAGLIST) {
+		struct tcphdr *th = tcp_hdr(skb);
+
+		if (skb_pagelen(skb) - th->doff * 4 == skb_shinfo(skb)->gso_size)
+			return __tcp6_gso_segment_list(skb, features);
+
+		skb->ip_summed = CHECKSUM_NONE;
+	}
 
 	if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
 		const struct ipv6hdr *ipv6h = ipv6_hdr(skb);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 52dfbb2ff1a8..0cef8ae5d1ea 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1266,8 +1266,10 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6,
 			skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
 			skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(datalen,
 								 cork->gso_size);
+
+			/* Don't checksum the payload, skb will get segmented */
+			goto csum_partial;
 		}
-		goto csum_partial;
 	}
 
 	if (is_udplite)