summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/atm/mpoa_proc.c3
-rw-r--r--net/core/dev.c4
-rw-r--r--net/core/skmsg.c8
-rw-r--r--net/core/sock_reuseport.c16
-rw-r--r--net/dsa/slave.c2
-rw-r--r--net/hsr/hsr_forward.c12
-rw-r--r--net/ipv4/datagram.c2
-rw-r--r--net/ipv4/netfilter/ipt_rpfilter.c1
-rw-r--r--net/ipv4/netfilter/nft_fib_ipv4.c1
-rw-r--r--net/ipv4/udp.c2
-rw-r--r--net/ipv6/addrconf.c2
-rw-r--r--net/ipv6/datagram.c2
-rw-r--r--net/ipv6/netfilter/ip6t_rpfilter.c1
-rw-r--r--net/ipv6/netfilter/nft_fib_ipv6.c2
-rw-r--r--net/ipv6/udp.c2
-rw-r--r--net/netfilter/nf_tables_api.c5
-rw-r--r--net/sched/sch_api.c5
-rw-r--r--net/sched/sch_cake.c4
-rw-r--r--net/sched/sch_fq_codel.c25
-rw-r--r--net/sched/sch_sfb.c3
-rw-r--r--net/smc/smc_core.c3
-rw-r--r--net/tipc/discover.c2
-rw-r--r--net/tipc/topsrv.c2
-rw-r--r--net/tls/tls_strp.c32
24 files changed, 105 insertions, 36 deletions
diff --git a/net/atm/mpoa_proc.c b/net/atm/mpoa_proc.c
index 829db9eba0cb..aaf64b953915 100644
--- a/net/atm/mpoa_proc.c
+++ b/net/atm/mpoa_proc.c
@@ -219,11 +219,12 @@ static ssize_t proc_mpc_write(struct file *file, const char __user *buff,
if (!page)
return -ENOMEM;
- for (p = page, len = 0; len < nbytes; p++, len++) {
+ for (p = page, len = 0; len < nbytes; p++) {
if (get_user(*p, buff++)) {
free_page((unsigned long)page);
return -EFAULT;
}
+ len += 1;
if (*p == '\0' || *p == '\n')
break;
}
diff --git a/net/core/dev.c b/net/core/dev.c
index fa53830d0683..3be256051e99 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5136,11 +5136,13 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret,
case TC_ACT_SHOT:
mini_qdisc_qstats_cpu_drop(miniq);
kfree_skb_reason(skb, SKB_DROP_REASON_TC_INGRESS);
+ *ret = NET_RX_DROP;
return NULL;
case TC_ACT_STOLEN:
case TC_ACT_QUEUED:
case TC_ACT_TRAP:
consume_skb(skb);
+ *ret = NET_RX_SUCCESS;
return NULL;
case TC_ACT_REDIRECT:
/* skb_mac_header check was done by cls/act_bpf, so
@@ -5153,8 +5155,10 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret,
*another = true;
break;
}
+ *ret = NET_RX_SUCCESS;
return NULL;
case TC_ACT_CONSUMED:
+ *ret = NET_RX_SUCCESS;
return NULL;
default:
break;
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index ca70525621c7..1efdc47a999b 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -500,11 +500,11 @@ bool sk_msg_is_readable(struct sock *sk)
}
EXPORT_SYMBOL_GPL(sk_msg_is_readable);
-static struct sk_msg *alloc_sk_msg(void)
+static struct sk_msg *alloc_sk_msg(gfp_t gfp)
{
struct sk_msg *msg;
- msg = kzalloc(sizeof(*msg), __GFP_NOWARN | GFP_KERNEL);
+ msg = kzalloc(sizeof(*msg), gfp | __GFP_NOWARN);
if (unlikely(!msg))
return NULL;
sg_init_marker(msg->sg.data, NR_MSG_FRAG_IDS);
@@ -520,7 +520,7 @@ static struct sk_msg *sk_psock_create_ingress_msg(struct sock *sk,
if (!sk_rmem_schedule(sk, skb, skb->truesize))
return NULL;
- return alloc_sk_msg();
+ return alloc_sk_msg(GFP_KERNEL);
}
static int sk_psock_skb_ingress_enqueue(struct sk_buff *skb,
@@ -597,7 +597,7 @@ static int sk_psock_skb_ingress(struct sk_psock *psock, struct sk_buff *skb,
static int sk_psock_skb_ingress_self(struct sk_psock *psock, struct sk_buff *skb,
u32 off, u32 len)
{
- struct sk_msg *msg = alloc_sk_msg();
+ struct sk_msg *msg = alloc_sk_msg(GFP_ATOMIC);
struct sock *sk = psock->sk;
int err;
diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c
index 5daa1fa54249..fb90e1e00773 100644
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -21,6 +21,22 @@ static DEFINE_IDA(reuseport_ida);
static int reuseport_resurrect(struct sock *sk, struct sock_reuseport *old_reuse,
struct sock_reuseport *reuse, bool bind_inany);
+void reuseport_has_conns_set(struct sock *sk)
+{
+ struct sock_reuseport *reuse;
+
+ if (!rcu_access_pointer(sk->sk_reuseport_cb))
+ return;
+
+ spin_lock_bh(&reuseport_lock);
+ reuse = rcu_dereference_protected(sk->sk_reuseport_cb,
+ lockdep_is_held(&reuseport_lock));
+ if (likely(reuse))
+ reuse->has_conns = 1;
+ spin_unlock_bh(&reuseport_lock);
+}
+EXPORT_SYMBOL(reuseport_has_conns_set);
+
static int reuseport_sock_index(struct sock *sk,
const struct sock_reuseport *reuse,
bool closed)
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 1a59918d3b30..a9fde48cffd4 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -3145,7 +3145,7 @@ static int dsa_slave_netdevice_event(struct notifier_block *nb,
case NETDEV_CHANGELOWERSTATE: {
struct netdev_notifier_changelowerstate_info *info = ptr;
struct dsa_port *dp;
- int err;
+ int err = 0;
if (dsa_slave_dev_check(dev)) {
dp = dsa_slave_to_port(dev);
diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index 5bf357734b11..a50429a62f74 100644
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -150,15 +150,15 @@ struct sk_buff *hsr_get_untagged_frame(struct hsr_frame_info *frame,
struct hsr_port *port)
{
if (!frame->skb_std) {
- if (frame->skb_hsr) {
+ if (frame->skb_hsr)
frame->skb_std =
create_stripped_skb_hsr(frame->skb_hsr, frame);
- } else {
- /* Unexpected */
- WARN_ONCE(1, "%s:%d: Unexpected frame received (port_src %s)\n",
- __FILE__, __LINE__, port->dev->name);
+ else
+ netdev_warn_once(port->dev,
+ "Unexpected frame received in hsr_get_untagged_frame()\n");
+
+ if (!frame->skb_std)
return NULL;
- }
}
return skb_clone(frame->skb_std, GFP_ATOMIC);
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index 0ee7fd259730..4d1af0cd7d99 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -70,7 +70,7 @@ int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len
}
inet->inet_daddr = fl4->daddr;
inet->inet_dport = usin->sin_port;
- reuseport_has_conns(sk, true);
+ reuseport_has_conns_set(sk);
sk->sk_state = TCP_ESTABLISHED;
sk_set_txhash(sk);
inet->inet_id = get_random_u16();
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c
index ff85db52b2e5..ded5bef02f77 100644
--- a/net/ipv4/netfilter/ipt_rpfilter.c
+++ b/net/ipv4/netfilter/ipt_rpfilter.c
@@ -78,6 +78,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
flow.flowi4_tos = iph->tos & IPTOS_RT_MASK;
flow.flowi4_scope = RT_SCOPE_UNIVERSE;
flow.flowi4_l3mdev = l3mdev_master_ifindex_rcu(xt_in(par));
+ flow.flowi4_uid = sock_net_uid(xt_net(par), NULL);
return rpfilter_lookup_reverse(xt_net(par), &flow, xt_in(par), info->flags) ^ invert;
}
diff --git a/net/ipv4/netfilter/nft_fib_ipv4.c b/net/ipv4/netfilter/nft_fib_ipv4.c
index e886147eed11..fc65d69f23e1 100644
--- a/net/ipv4/netfilter/nft_fib_ipv4.c
+++ b/net/ipv4/netfilter/nft_fib_ipv4.c
@@ -65,6 +65,7 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs,
struct flowi4 fl4 = {
.flowi4_scope = RT_SCOPE_UNIVERSE,
.flowi4_iif = LOOPBACK_IFINDEX,
+ .flowi4_uid = sock_net_uid(nft_net(pkt), NULL),
};
const struct net_device *oif;
const struct net_device *found;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 662d717d5123..c83e5271030b 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -448,7 +448,7 @@ static struct sock *udp4_lib_lookup2(struct net *net,
result = lookup_reuseport(net, sk, skb,
saddr, sport, daddr, hnum);
/* Fall back to scoring if group has connections */
- if (result && !reuseport_has_conns(sk, false))
+ if (result && !reuseport_has_conns(sk))
return result;
result = result ? : sk;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 417834b7169d..9c3f5202a97b 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -7214,9 +7214,11 @@ err_reg_dflt:
__addrconf_sysctl_unregister(net, all, NETCONFA_IFINDEX_ALL);
err_reg_all:
kfree(dflt);
+ net->ipv6.devconf_dflt = NULL;
#endif
err_alloc_dflt:
kfree(all);
+ net->ipv6.devconf_all = NULL;
err_alloc_all:
kfree(net->ipv6.inet6_addr_lst);
err_alloc_addr:
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index df665d4e8f0f..5ecb56522f9d 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -256,7 +256,7 @@ ipv4_connected:
goto out;
}
- reuseport_has_conns(sk, true);
+ reuseport_has_conns_set(sk);
sk->sk_state = TCP_ESTABLISHED;
sk_set_txhash(sk);
out:
diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c
index 69d86b040a6a..a01d9b842bd0 100644
--- a/net/ipv6/netfilter/ip6t_rpfilter.c
+++ b/net/ipv6/netfilter/ip6t_rpfilter.c
@@ -40,6 +40,7 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb,
.flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev),
.flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK,
.flowi6_proto = iph->nexthdr,
+ .flowi6_uid = sock_net_uid(net, NULL),
.daddr = iph->saddr,
};
int lookup_flags;
diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c
index 91faac610e03..36dc14b34388 100644
--- a/net/ipv6/netfilter/nft_fib_ipv6.c
+++ b/net/ipv6/netfilter/nft_fib_ipv6.c
@@ -66,6 +66,7 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv,
struct flowi6 fl6 = {
.flowi6_iif = LOOPBACK_IFINDEX,
.flowi6_proto = pkt->tprot,
+ .flowi6_uid = sock_net_uid(nft_net(pkt), NULL),
};
u32 ret = 0;
@@ -163,6 +164,7 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs,
struct flowi6 fl6 = {
.flowi6_iif = LOOPBACK_IFINDEX,
.flowi6_proto = pkt->tprot,
+ .flowi6_uid = sock_net_uid(nft_net(pkt), NULL),
};
struct rt6_info *rt;
int lookup_flags;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 8d09f0ea5b8c..129ec5a9b0eb 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -195,7 +195,7 @@ static struct sock *udp6_lib_lookup2(struct net *net,
result = lookup_reuseport(net, sk, skb,
saddr, sport, daddr, hnum);
/* Fall back to scoring if group has connections */
- if (result && !reuseport_has_conns(sk, false))
+ if (result && !reuseport_has_conns(sk))
return result;
result = result ? : sk;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index a0653a8dfa82..58d9cbc9ccdc 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5865,8 +5865,9 @@ static bool nft_setelem_valid_key_end(const struct nft_set *set,
(NFT_SET_CONCAT | NFT_SET_INTERVAL)) {
if (flags & NFT_SET_ELEM_INTERVAL_END)
return false;
- if (!nla[NFTA_SET_ELEM_KEY_END] &&
- !(flags & NFT_SET_ELEM_CATCHALL))
+
+ if (nla[NFTA_SET_ELEM_KEY_END] &&
+ flags & NFT_SET_ELEM_CATCHALL)
return false;
} else {
if (nla[NFTA_SET_ELEM_KEY_END])
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index c98af0ada706..4a27dfb1ba0f 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1099,12 +1099,13 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
skip:
if (!ingress) {
- notify_and_destroy(net, skb, n, classid,
- rtnl_dereference(dev->qdisc), new);
+ old = rtnl_dereference(dev->qdisc);
if (new && !new->ops->attach)
qdisc_refcount_inc(new);
rcu_assign_pointer(dev->qdisc, new ? : &noop_qdisc);
+ notify_and_destroy(net, skb, n, classid, old, new);
+
if (new && new->ops->attach)
new->ops->attach(new);
} else {
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 817cd0695b35..3ed0c3342189 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -2224,8 +2224,12 @@ retry:
static void cake_reset(struct Qdisc *sch)
{
+ struct cake_sched_data *q = qdisc_priv(sch);
u32 c;
+ if (!q->tins)
+ return;
+
for (c = 0; c < CAKE_MAX_TINS; c++)
cake_clear_tin(sch, c);
}
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 99d318b60568..8c4fee063436 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -478,24 +478,26 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt,
if (opt) {
err = fq_codel_change(sch, opt, extack);
if (err)
- return err;
+ goto init_failure;
}
err = tcf_block_get(&q->block, &q->filter_list, sch, extack);
if (err)
- return err;
+ goto init_failure;
if (!q->flows) {
q->flows = kvcalloc(q->flows_cnt,
sizeof(struct fq_codel_flow),
GFP_KERNEL);
- if (!q->flows)
- return -ENOMEM;
-
+ if (!q->flows) {
+ err = -ENOMEM;
+ goto init_failure;
+ }
q->backlogs = kvcalloc(q->flows_cnt, sizeof(u32), GFP_KERNEL);
- if (!q->backlogs)
- return -ENOMEM;
-
+ if (!q->backlogs) {
+ err = -ENOMEM;
+ goto alloc_failure;
+ }
for (i = 0; i < q->flows_cnt; i++) {
struct fq_codel_flow *flow = q->flows + i;
@@ -508,6 +510,13 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt,
else
sch->flags &= ~TCQ_F_CAN_BYPASS;
return 0;
+
+alloc_failure:
+ kvfree(q->flows);
+ q->flows = NULL;
+init_failure:
+ q->flows_cnt = 0;
+ return err;
}
static int fq_codel_dump(struct Qdisc *sch, struct sk_buff *skb)
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index 0366a1a029a9..1871a1c0224d 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -455,7 +455,8 @@ static void sfb_reset(struct Qdisc *sch)
{
struct sfb_sched_data *q = qdisc_priv(sch);
- qdisc_reset(q->qdisc);
+ if (likely(q->qdisc))
+ qdisc_reset(q->qdisc);
q->slot = 0;
q->double_buffering = false;
sfb_zero_all_buckets(q);
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index e6ee797640b4..c305d8dd23f8 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -896,7 +896,8 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
}
memcpy(lgr->pnet_id, ibdev->pnetid[ibport - 1],
SMC_MAX_PNETID_LEN);
- if (smc_wr_alloc_lgr_mem(lgr))
+ rc = smc_wr_alloc_lgr_mem(lgr);
+ if (rc)
goto free_wq;
smc_llc_lgr_init(lgr, smc);
diff --git a/net/tipc/discover.c b/net/tipc/discover.c
index da69e1abf68f..e8630707901e 100644
--- a/net/tipc/discover.c
+++ b/net/tipc/discover.c
@@ -148,8 +148,8 @@ static bool tipc_disc_addr_trial_msg(struct tipc_discoverer *d,
{
struct net *net = d->net;
struct tipc_net *tn = tipc_net(net);
- bool trial = time_before(jiffies, tn->addr_trial_end);
u32 self = tipc_own_addr(net);
+ bool trial = time_before(jiffies, tn->addr_trial_end) && !self;
if (mtyp == DSC_TRIAL_FAIL_MSG) {
if (!trial)
diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c
index 5522865deae9..14fd05fd6107 100644
--- a/net/tipc/topsrv.c
+++ b/net/tipc/topsrv.c
@@ -568,7 +568,7 @@ bool tipc_topsrv_kern_subscr(struct net *net, u32 port, u32 type, u32 lower,
sub.seq.upper = upper;
sub.timeout = TIPC_WAIT_FOREVER;
sub.filter = filter;
- *(u32 *)&sub.usr_handle = port;
+ *(u64 *)&sub.usr_handle = (u64)port;
con = tipc_conn_alloc(tipc_topsrv(net));
if (IS_ERR(con))
diff --git a/net/tls/tls_strp.c b/net/tls/tls_strp.c
index 9b79e334dbd9..955ac3e0bf4d 100644
--- a/net/tls/tls_strp.c
+++ b/net/tls/tls_strp.c
@@ -273,7 +273,7 @@ static int tls_strp_read_copyin(struct tls_strparser *strp)
return desc.error;
}
-static int tls_strp_read_short(struct tls_strparser *strp)
+static int tls_strp_read_copy(struct tls_strparser *strp, bool qshort)
{
struct skb_shared_info *shinfo;
struct page *page;
@@ -283,7 +283,7 @@ static int tls_strp_read_short(struct tls_strparser *strp)
* to read the data out. Otherwise the connection will stall.
* Without pressure threshold of INT_MAX will never be ready.
*/
- if (likely(!tcp_epollin_ready(strp->sk, INT_MAX)))
+ if (likely(qshort && !tcp_epollin_ready(strp->sk, INT_MAX)))
return 0;
shinfo = skb_shinfo(strp->anchor);
@@ -315,6 +315,27 @@ static int tls_strp_read_short(struct tls_strparser *strp)
return 0;
}
+static bool tls_strp_check_no_dup(struct tls_strparser *strp)
+{
+ unsigned int len = strp->stm.offset + strp->stm.full_len;
+ struct sk_buff *skb;
+ u32 seq;
+
+ skb = skb_shinfo(strp->anchor)->frag_list;
+ seq = TCP_SKB_CB(skb)->seq;
+
+ while (skb->len < len) {
+ seq += skb->len;
+ len -= skb->len;
+ skb = skb->next;
+
+ if (TCP_SKB_CB(skb)->seq != seq)
+ return false;
+ }
+
+ return true;
+}
+
static void tls_strp_load_anchor_with_queue(struct tls_strparser *strp, int len)
{
struct tcp_sock *tp = tcp_sk(strp->sk);
@@ -373,7 +394,7 @@ static int tls_strp_read_sock(struct tls_strparser *strp)
return tls_strp_read_copyin(strp);
if (inq < strp->stm.full_len)
- return tls_strp_read_short(strp);
+ return tls_strp_read_copy(strp, true);
if (!strp->stm.full_len) {
tls_strp_load_anchor_with_queue(strp, inq);
@@ -387,9 +408,12 @@ static int tls_strp_read_sock(struct tls_strparser *strp)
strp->stm.full_len = sz;
if (!strp->stm.full_len || inq < strp->stm.full_len)
- return tls_strp_read_short(strp);
+ return tls_strp_read_copy(strp, true);
}
+ if (!tls_strp_check_no_dup(strp))
+ return tls_strp_read_copy(strp, false);
+
strp->msg_ready = 1;
tls_rx_msg_ready(strp);