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authorJakub Kicinski <kuba@kernel.org>2024-05-09 09:59:29 -0700
committerJakub Kicinski <kuba@kernel.org>2024-05-09 10:01:01 -0700
commite7073830cc8b52ef3df7dd150e4dac7706e0e104 (patch)
treee257cb163ac414e82acf319ab8cdd98ad4434036 /net/ipv6
parent628bc3e5a1beae395b5b515998396c60559ed3a9 (diff)
parent8c3b7565f81e030ef448378acd1b35dabb493e3b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts. Adjacent changes: drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c 35d92abfbad8 ("net: hns3: fix kernel crash when devlink reload during initialization") 2a1a1a7b5fd7 ("net: hns3: add command queue trace for hns3") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/fib6_rules.c6
-rw-r--r--net/ipv6/ip6_output.c4
-rw-r--r--net/ipv6/xfrm6_input.c6
3 files changed, 12 insertions, 4 deletions
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 52c04f0ac498..9e254de7462f 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -233,8 +233,12 @@ static int __fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
rt = pol_lookup_func(lookup,
net, table, flp6, arg->lookup_data, flags);
if (rt != net->ipv6.ip6_null_entry) {
+ struct inet6_dev *idev = ip6_dst_idev(&rt->dst);
+
+ if (!idev)
+ goto again;
err = fib6_rule_saddr(net, rule, flags, flp6,
- ip6_dst_idev(&rt->dst)->dev);
+ idev->dev);
if (err == -EAGAIN)
goto again;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 8f906e9fbc38..27d8725445e3 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -234,7 +234,7 @@ int ip6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
skb->protocol = htons(ETH_P_IPV6);
skb->dev = dev;
- if (unlikely(READ_ONCE(idev->cnf.disable_ipv6))) {
+ if (unlikely(!idev || READ_ONCE(idev->cnf.disable_ipv6))) {
IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS);
kfree_skb_reason(skb, SKB_DROP_REASON_IPV6DISABLED);
return 0;
@@ -1933,7 +1933,7 @@ struct sk_buff *__ip6_make_skb(struct sock *sk,
u8 icmp6_type;
if (sk->sk_socket->type == SOCK_RAW &&
- !inet_test_bit(HDRINCL, sk))
+ !(fl6->flowi6_flags & FLOWI_FLAG_KNOWN_NH))
icmp6_type = fl6->fl6_icmp_type;
else
icmp6_type = icmp6_hdr(skb)->icmp6_type;
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index d5bac0d76b6e..4abc5e9d6322 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -58,7 +58,11 @@ int xfrm6_transport_finish(struct sk_buff *skb, int async)
skb_postpush_rcsum(skb, skb_network_header(skb), nhlen);
if (xo && (xo->flags & XFRM_GRO)) {
- skb_mac_header_rebuild(skb);
+ /* The full l2 header needs to be preserved so that re-injecting the packet at l2
+ * works correctly in the presence of vlan tags.
+ */
+ skb_mac_header_rebuild_full(skb, xo->orig_mac_len);
+ skb_reset_network_header(skb);
skb_reset_transport_header(skb);
return 0;
}