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-rw-r--r--net/core/dev.c9
-rw-r--r--net/core/ethtool.c2
-rw-r--r--net/core/filter.c36
-rw-r--r--net/core/rtnetlink.c3
-rw-r--r--net/core/sock.c7
5 files changed, 41 insertions, 16 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index fb766d906148..588b473194a8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1948,8 +1948,12 @@ again:
goto again;
}
out_unlock:
- if (pt_prev)
- pt_prev->func(skb2, skb->dev, pt_prev, skb->dev);
+ if (pt_prev) {
+ if (!skb_orphan_frags_rx(skb2, GFP_ATOMIC))
+ pt_prev->func(skb2, skb->dev, pt_prev, skb->dev);
+ else
+ kfree_skb(skb2);
+ }
rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(dev_queue_xmit_nit);
@@ -3892,6 +3896,7 @@ static u32 netif_receive_generic_xdp(struct sk_buff *skb,
__skb_pull(skb, off);
else if (off < 0)
__skb_push(skb, -off);
+ skb->mac_header += off;
switch (act) {
case XDP_REDIRECT:
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 6a582ae4c5d9..3228411ada0f 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -525,6 +525,8 @@ convert_link_ksettings_to_legacy_settings(
= link_ksettings->base.eth_tp_mdix;
legacy_settings->eth_tp_mdix_ctrl
= link_ksettings->base.eth_tp_mdix_ctrl;
+ legacy_settings->transceiver
+ = link_ksettings->base.transceiver;
return retval;
}
diff --git a/net/core/filter.c b/net/core/filter.c
index 24dd33dd9f04..74b8c91fb5f4 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -989,10 +989,14 @@ static bool __sk_filter_charge(struct sock *sk, struct sk_filter *fp)
bool sk_filter_charge(struct sock *sk, struct sk_filter *fp)
{
- bool ret = __sk_filter_charge(sk, fp);
- if (ret)
- refcount_inc(&fp->refcnt);
- return ret;
+ if (!refcount_inc_not_zero(&fp->refcnt))
+ return false;
+
+ if (!__sk_filter_charge(sk, fp)) {
+ sk_filter_release(fp);
+ return false;
+ }
+ return true;
}
static struct bpf_prog *bpf_migrate_filter(struct bpf_prog *fp)
@@ -1794,7 +1798,7 @@ struct redirect_info {
u32 flags;
struct bpf_map *map;
struct bpf_map *map_to_flush;
- const struct bpf_prog *map_owner;
+ unsigned long map_owner;
};
static DEFINE_PER_CPU(struct redirect_info, redirect_info);
@@ -2500,11 +2504,17 @@ void xdp_do_flush_map(void)
}
EXPORT_SYMBOL_GPL(xdp_do_flush_map);
+static inline bool xdp_map_invalid(const struct bpf_prog *xdp_prog,
+ unsigned long aux)
+{
+ return (unsigned long)xdp_prog->aux != aux;
+}
+
static int xdp_do_redirect_map(struct net_device *dev, struct xdp_buff *xdp,
struct bpf_prog *xdp_prog)
{
struct redirect_info *ri = this_cpu_ptr(&redirect_info);
- const struct bpf_prog *map_owner = ri->map_owner;
+ unsigned long map_owner = ri->map_owner;
struct bpf_map *map = ri->map;
struct net_device *fwd = NULL;
u32 index = ri->ifindex;
@@ -2512,9 +2522,9 @@ static int xdp_do_redirect_map(struct net_device *dev, struct xdp_buff *xdp,
ri->ifindex = 0;
ri->map = NULL;
- ri->map_owner = NULL;
+ ri->map_owner = 0;
- if (unlikely(map_owner != xdp_prog)) {
+ if (unlikely(xdp_map_invalid(xdp_prog, map_owner))) {
err = -EFAULT;
map = NULL;
goto err;
@@ -2574,7 +2584,7 @@ int xdp_do_generic_redirect(struct net_device *dev, struct sk_buff *skb,
struct bpf_prog *xdp_prog)
{
struct redirect_info *ri = this_cpu_ptr(&redirect_info);
- const struct bpf_prog *map_owner = ri->map_owner;
+ unsigned long map_owner = ri->map_owner;
struct bpf_map *map = ri->map;
struct net_device *fwd = NULL;
u32 index = ri->ifindex;
@@ -2583,10 +2593,10 @@ int xdp_do_generic_redirect(struct net_device *dev, struct sk_buff *skb,
ri->ifindex = 0;
ri->map = NULL;
- ri->map_owner = NULL;
+ ri->map_owner = 0;
if (map) {
- if (unlikely(map_owner != xdp_prog)) {
+ if (unlikely(xdp_map_invalid(xdp_prog, map_owner))) {
err = -EFAULT;
map = NULL;
goto err;
@@ -2632,7 +2642,7 @@ BPF_CALL_2(bpf_xdp_redirect, u32, ifindex, u64, flags)
ri->ifindex = ifindex;
ri->flags = flags;
ri->map = NULL;
- ri->map_owner = NULL;
+ ri->map_owner = 0;
return XDP_REDIRECT;
}
@@ -2646,7 +2656,7 @@ static const struct bpf_func_proto bpf_xdp_redirect_proto = {
};
BPF_CALL_4(bpf_xdp_redirect_map, struct bpf_map *, map, u32, ifindex, u64, flags,
- const struct bpf_prog *, map_owner)
+ unsigned long, map_owner)
{
struct redirect_info *ri = this_cpu_ptr(&redirect_info);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a78fd61da0ec..d4bcdcc68e92 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3854,6 +3854,9 @@ static int rtnl_fill_statsinfo(struct sk_buff *skb, struct net_device *dev,
return -EMSGSIZE;
ifsm = nlmsg_data(nlh);
+ ifsm->family = PF_UNSPEC;
+ ifsm->pad1 = 0;
+ ifsm->pad2 = 0;
ifsm->ifindex = dev->ifindex;
ifsm->filter_mask = filter_mask;
diff --git a/net/core/sock.c b/net/core/sock.c
index 9b7b6bbb2a23..23953b741a41 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1654,6 +1654,8 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
sock_copy(newsk, sk);
+ newsk->sk_prot_creator = sk->sk_prot;
+
/* SANITY */
if (likely(newsk->sk_net_refcnt))
get_net(sock_net(newsk));
@@ -1682,13 +1684,16 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
sock_reset_flag(newsk, SOCK_DONE);
- filter = rcu_dereference_protected(newsk->sk_filter, 1);
+ rcu_read_lock();
+ filter = rcu_dereference(sk->sk_filter);
if (filter != NULL)
/* though it's an empty new sock, the charging may fail
* if sysctl_optmem_max was changed between creation of
* original socket and cloning
*/
is_charged = sk_filter_charge(newsk, filter);
+ RCU_INIT_POINTER(newsk->sk_filter, filter);
+ rcu_read_unlock();
if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk, sk))) {
/* We need to make sure that we don't uncharge the new
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-03 00:20:14 +0100