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-rw-r--r--net/dsa/dsa2.c1
-rw-r--r--net/ipv6/esp6.c3
-rw-r--r--net/ipv6/ip6_output.c4
-rw-r--r--net/key/af_key.c2
-rw-r--r--net/netfilter/nf_conntrack_core.c3
-rw-r--r--net/netfilter/nf_nat_core.c43
-rw-r--r--net/netfilter/nf_tables_api.c9
-rw-r--r--net/packet/af_packet.c11
-rw-r--r--net/vmw_vsock/af_vsock.c9
-rw-r--r--net/vmw_vsock/virtio_transport.c7
-rw-r--r--net/vmw_vsock/vmci_transport.c5
11 files changed, 41 insertions, 56 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 074e4a69a728..88e2808019b4 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -1436,6 +1436,7 @@ static int dsa_port_parse_of(struct dsa_port *dp, struct device_node *dn)
const char *user_protocol;
master = of_find_net_device_by_node(ethernet);
+ of_node_put(ethernet);
if (!master)
return -EPROBE_DEFER;
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index b0ffbcd5432d..55d604c9b3b3 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -812,8 +812,7 @@ int esp6_input_done2(struct sk_buff *skb, int err)
struct tcphdr *th;
offset = ipv6_skip_exthdr(skb, offset, &nexthdr, &frag_off);
-
- if (offset < 0) {
+ if (offset == -1) {
err = -EINVAL;
goto out;
}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 4788f6b37053..194832663d85 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1476,8 +1476,8 @@ static int __ip6_append_data(struct sock *sk,
sizeof(struct frag_hdr) : 0) +
rt->rt6i_nfheader_len;
- if (mtu < fragheaderlen ||
- ((mtu - fragheaderlen) & ~7) + fragheaderlen < sizeof(struct frag_hdr))
+ if (mtu <= fragheaderlen ||
+ ((mtu - fragheaderlen) & ~7) + fragheaderlen <= sizeof(struct frag_hdr))
goto emsgsize;
maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen -
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 9bf52a09b5ff..fd51db3be91c 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1699,7 +1699,7 @@ static int pfkey_register(struct sock *sk, struct sk_buff *skb, const struct sad
xfrm_probe_algs();
- supp_skb = compose_sadb_supported(hdr, GFP_KERNEL);
+ supp_skb = compose_sadb_supported(hdr, GFP_KERNEL | __GFP_ZERO);
if (!supp_skb) {
if (hdr->sadb_msg_satype != SADB_SATYPE_UNSPEC)
pfk->registered &= ~(1<<hdr->sadb_msg_satype);
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index d6aa5b47031e..bf1e17c678f1 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1748,9 +1748,6 @@ resolve_normal_ct(struct nf_conn *tmpl,
return 0;
if (IS_ERR(h))
return PTR_ERR(h);
-
- ct = nf_ct_tuplehash_to_ctrack(h);
- ct->local_origin = state->hook == NF_INET_LOCAL_OUT;
}
ct = nf_ct_tuplehash_to_ctrack(h);
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 2d06a66899b2..ffcf6529afc3 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -494,38 +494,6 @@ another_round:
goto another_round;
}
-static bool tuple_force_port_remap(const struct nf_conntrack_tuple *tuple)
-{
- u16 sp, dp;
-
- switch (tuple->dst.protonum) {
- case IPPROTO_TCP:
- sp = ntohs(tuple->src.u.tcp.port);
- dp = ntohs(tuple->dst.u.tcp.port);
- break;
- case IPPROTO_UDP:
- case IPPROTO_UDPLITE:
- sp = ntohs(tuple->src.u.udp.port);
- dp = ntohs(tuple->dst.u.udp.port);
- break;
- default:
- return false;
- }
-
- /* IANA: System port range: 1-1023,
- * user port range: 1024-49151,
- * private port range: 49152-65535.
- *
- * Linux default ephemeral port range is 32768-60999.
- *
- * Enforce port remapping if sport is significantly lower
- * than dport to prevent NAT port shadowing, i.e.
- * accidental match of 'new' inbound connection vs.
- * existing outbound one.
- */
- return sp < 16384 && dp >= 32768;
-}
-
/* Manipulate the tuple into the range given. For NF_INET_POST_ROUTING,
* we change the source to map into the range. For NF_INET_PRE_ROUTING
* and NF_INET_LOCAL_OUT, we change the destination to map into the
@@ -539,17 +507,11 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple,
struct nf_conn *ct,
enum nf_nat_manip_type maniptype)
{
- bool random_port = range->flags & NF_NAT_RANGE_PROTO_RANDOM_ALL;
const struct nf_conntrack_zone *zone;
struct net *net = nf_ct_net(ct);
zone = nf_ct_zone(ct);
- if (maniptype == NF_NAT_MANIP_SRC &&
- !random_port &&
- !ct->local_origin)
- random_port = tuple_force_port_remap(orig_tuple);
-
/* 1) If this srcip/proto/src-proto-part is currently mapped,
* and that same mapping gives a unique tuple within the given
* range, use that.
@@ -558,7 +520,8 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple,
* So far, we don't do local source mappings, so multiple
* manips not an issue.
*/
- if (maniptype == NF_NAT_MANIP_SRC && !random_port) {
+ if (maniptype == NF_NAT_MANIP_SRC &&
+ !(range->flags & NF_NAT_RANGE_PROTO_RANDOM_ALL)) {
/* try the original tuple first */
if (in_range(orig_tuple, range)) {
if (!nf_nat_used_tuple(orig_tuple, ct)) {
@@ -582,7 +545,7 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple,
*/
/* Only bother mapping if it's not already in range and unique */
- if (!random_port) {
+ if (!(range->flags & NF_NAT_RANGE_PROTO_RANDOM_ALL)) {
if (range->flags & NF_NAT_RANGE_PROTO_SPECIFIED) {
if (!(range->flags & NF_NAT_RANGE_PROTO_OFFSET) &&
l4proto_in_range(tuple, maniptype,
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index c86748b3873b..d71a33ae39b3 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -8260,6 +8260,12 @@ void nf_tables_trans_destroy_flush_work(void)
}
EXPORT_SYMBOL_GPL(nf_tables_trans_destroy_flush_work);
+static bool nft_expr_reduce(struct nft_regs_track *track,
+ const struct nft_expr *expr)
+{
+ return false;
+}
+
static int nf_tables_commit_chain_prepare(struct net *net, struct nft_chain *chain)
{
const struct nft_expr *expr, *last;
@@ -8307,8 +8313,7 @@ static int nf_tables_commit_chain_prepare(struct net *net, struct nft_chain *cha
nft_rule_for_each_expr(expr, last, rule) {
track.cur = expr;
- if (expr->ops->reduce &&
- expr->ops->reduce(&track, expr)) {
+ if (nft_expr_reduce(&track, expr)) {
expr = track.cur;
continue;
}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ab87f22cc7ec..a7273af2d900 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2317,8 +2317,11 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
copy_skb = skb_get(skb);
skb_head = skb->data;
}
- if (copy_skb)
+ if (copy_skb) {
+ memset(&PACKET_SKB_CB(copy_skb)->sa.ll, 0,
+ sizeof(PACKET_SKB_CB(copy_skb)->sa.ll));
skb_set_owner_r(copy_skb, sk);
+ }
}
snaplen = po->rx_ring.frame_size - macoff;
if ((int)snaplen < 0) {
@@ -3462,6 +3465,8 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
sock_recv_ts_and_drops(msg, sk, skb);
if (msg->msg_name) {
+ const size_t max_len = min(sizeof(skb->cb),
+ sizeof(struct sockaddr_storage));
int copy_len;
/* If the address length field is there to be filled
@@ -3484,6 +3489,10 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
msg->msg_namelen = sizeof(struct sockaddr_ll);
}
}
+ if (WARN_ON_ONCE(copy_len > max_len)) {
+ copy_len = max_len;
+ msg->msg_namelen = copy_len;
+ }
memcpy(msg->msg_name, &PACKET_SKB_CB(skb)->sa, copy_len);
}
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 38baeb189d4e..f04abf662ec6 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -334,7 +334,8 @@ void vsock_remove_sock(struct vsock_sock *vsk)
}
EXPORT_SYMBOL_GPL(vsock_remove_sock);
-void vsock_for_each_connected_socket(void (*fn)(struct sock *sk))
+void vsock_for_each_connected_socket(struct vsock_transport *transport,
+ void (*fn)(struct sock *sk))
{
int i;
@@ -343,8 +344,12 @@ void vsock_for_each_connected_socket(void (*fn)(struct sock *sk))
for (i = 0; i < ARRAY_SIZE(vsock_connected_table); i++) {
struct vsock_sock *vsk;
list_for_each_entry(vsk, &vsock_connected_table[i],
- connected_table)
+ connected_table) {
+ if (vsk->transport != transport)
+ continue;
+
fn(sk_vsock(vsk));
+ }
}
spin_unlock_bh(&vsock_table_lock);
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index fb3302fff627..5afc194a58bb 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -24,6 +24,7 @@
static struct workqueue_struct *virtio_vsock_workqueue;
static struct virtio_vsock __rcu *the_virtio_vsock;
static DEFINE_MUTEX(the_virtio_vsock_mutex); /* protects the_virtio_vsock */
+static struct virtio_transport virtio_transport; /* forward declaration */
struct virtio_vsock {
struct virtio_device *vdev;
@@ -384,7 +385,8 @@ static void virtio_vsock_event_handle(struct virtio_vsock *vsock,
switch (le32_to_cpu(event->id)) {
case VIRTIO_VSOCK_EVENT_TRANSPORT_RESET:
virtio_vsock_update_guest_cid(vsock);
- vsock_for_each_connected_socket(virtio_vsock_reset_sock);
+ vsock_for_each_connected_socket(&virtio_transport.transport,
+ virtio_vsock_reset_sock);
break;
}
}
@@ -662,7 +664,8 @@ static void virtio_vsock_remove(struct virtio_device *vdev)
synchronize_rcu();
/* Reset all connected sockets when the device disappear */
- vsock_for_each_connected_socket(virtio_vsock_reset_sock);
+ vsock_for_each_connected_socket(&virtio_transport.transport,
+ virtio_vsock_reset_sock);
/* Stop all work handlers to make sure no one is accessing the device,
* so we can safely call virtio_reset_device().
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 7aef34e32bdf..b17dc9745188 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -75,6 +75,8 @@ static u32 vmci_transport_qp_resumed_sub_id = VMCI_INVALID_ID;
static int PROTOCOL_OVERRIDE = -1;
+static struct vsock_transport vmci_transport; /* forward declaration */
+
/* Helper function to convert from a VMCI error code to a VSock error code. */
static s32 vmci_transport_error_to_vsock_error(s32 vmci_error)
@@ -882,7 +884,8 @@ static void vmci_transport_qp_resumed_cb(u32 sub_id,
const struct vmci_event_data *e_data,
void *client_data)
{
- vsock_for_each_connected_socket(vmci_transport_handle_detach);
+ vsock_for_each_connected_socket(&vmci_transport,
+ vmci_transport_handle_detach);
}
static void vmci_transport_recv_pkt_work(struct work_struct *work)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 08:56:00 +0000