diff options
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/igmp.c | 4 | ||||
-rw-r--r-- | net/ipv4/inet_connection_sock.c | 1 | ||||
-rw-r--r-- | net/ipv4/inet_hashtables.c | 6 | ||||
-rw-r--r-- | net/ipv4/ip_sockglue.c | 14 | ||||
-rw-r--r-- | net/ipv4/netfilter/ipt_CLUSTERIP.c | 16 | ||||
-rw-r--r-- | net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c | 6 | ||||
-rw-r--r-- | net/ipv4/raw.c | 2 | ||||
-rw-r--r-- | net/ipv4/tcp_bbr.c | 6 |
8 files changed, 33 insertions, 22 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 10f7f74a0831..f2402581fef1 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -386,7 +386,11 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, unsigned int mtu) pip->frag_off = htons(IP_DF); pip->ttl = 1; pip->daddr = fl4.daddr; + + rcu_read_lock(); pip->saddr = igmpv3_get_srcaddr(dev, &fl4); + rcu_read_unlock(); + pip->protocol = IPPROTO_IGMP; pip->tot_len = 0; /* filled in later */ ip_select_ident(net, skb, NULL); diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 12410ec6f7f7..881ac6d046f2 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -475,7 +475,6 @@ struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern) } spin_unlock_bh(&queue->fastopenq.lock); } - mem_cgroup_sk_alloc(newsk); out: release_sock(sk); if (req) diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 37b7da0b975d..31ff46daae97 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -625,9 +625,8 @@ EXPORT_SYMBOL_GPL(inet_hash); void inet_unhash(struct sock *sk) { struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo; - struct inet_listen_hashbucket *ilb; + struct inet_listen_hashbucket *ilb = NULL; spinlock_t *lock; - bool listener = false; if (sk_unhashed(sk)) return; @@ -635,7 +634,6 @@ void inet_unhash(struct sock *sk) if (sk->sk_state == TCP_LISTEN) { ilb = &hashinfo->listening_hash[inet_sk_listen_hashfn(sk)]; lock = &ilb->lock; - listener = true; } else { lock = inet_ehash_lockp(hashinfo, sk->sk_hash); } @@ -645,7 +643,7 @@ void inet_unhash(struct sock *sk) if (rcu_access_pointer(sk->sk_reuseport_cb)) reuseport_detach_sock(sk); - if (listener) { + if (ilb) { inet_unhash2(hashinfo, sk); __sk_del_node_init(sk); ilb->count--; diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 6cc70fa488cb..008be04ac1cc 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -1255,11 +1255,8 @@ int ip_setsockopt(struct sock *sk, int level, if (err == -ENOPROTOOPT && optname != IP_HDRINCL && optname != IP_IPSEC_POLICY && optname != IP_XFRM_POLICY && - !ip_mroute_opt(optname)) { - lock_sock(sk); + !ip_mroute_opt(optname)) err = nf_setsockopt(sk, PF_INET, optname, optval, optlen); - release_sock(sk); - } #endif return err; } @@ -1284,12 +1281,9 @@ int compat_ip_setsockopt(struct sock *sk, int level, int optname, if (err == -ENOPROTOOPT && optname != IP_HDRINCL && optname != IP_IPSEC_POLICY && optname != IP_XFRM_POLICY && - !ip_mroute_opt(optname)) { - lock_sock(sk); - err = compat_nf_setsockopt(sk, PF_INET, optname, - optval, optlen); - release_sock(sk); - } + !ip_mroute_opt(optname)) + err = compat_nf_setsockopt(sk, PF_INET, optname, optval, + optlen); #endif return err; } diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index c29a6ca6c6d6..3a84a60f6b39 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -431,7 +431,7 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par) struct ipt_clusterip_tgt_info *cipinfo = par->targinfo; const struct ipt_entry *e = par->entryinfo; struct clusterip_config *config; - int ret; + int ret, i; if (par->nft_compat) { pr_err("cannot use CLUSTERIP target from nftables compat\n"); @@ -450,8 +450,18 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par) pr_info("Please specify destination IP\n"); return -EINVAL; } - - /* FIXME: further sanity checks */ + if (cipinfo->num_local_nodes > ARRAY_SIZE(cipinfo->local_nodes)) { + pr_info("bad num_local_nodes %u\n", cipinfo->num_local_nodes); + return -EINVAL; + } + for (i = 0; i < cipinfo->num_local_nodes; i++) { + if (cipinfo->local_nodes[i] - 1 >= + sizeof(config->local_nodes) * 8) { + pr_info("bad local_nodes[%d] %u\n", + i, cipinfo->local_nodes[i]); + return -EINVAL; + } + } config = clusterip_config_find_get(par->net, e->ip.dst.s_addr, 1); if (!config) { diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c index de213a397ea8..b50721d9d30e 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c @@ -213,15 +213,19 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len) struct nf_conntrack_tuple tuple; memset(&tuple, 0, sizeof(tuple)); + + lock_sock(sk); tuple.src.u3.ip = inet->inet_rcv_saddr; tuple.src.u.tcp.port = inet->inet_sport; tuple.dst.u3.ip = inet->inet_daddr; tuple.dst.u.tcp.port = inet->inet_dport; tuple.src.l3num = PF_INET; tuple.dst.protonum = sk->sk_protocol; + release_sock(sk); /* We only do TCP and SCTP at the moment: is there a better way? */ - if (sk->sk_protocol != IPPROTO_TCP && sk->sk_protocol != IPPROTO_SCTP) { + if (tuple.dst.protonum != IPPROTO_TCP && + tuple.dst.protonum != IPPROTO_SCTP) { pr_debug("SO_ORIGINAL_DST: Not a TCP/SCTP socket\n"); return -ENOPROTOOPT; } diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 7c509697ebc7..9b367fc48d7d 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -990,6 +990,8 @@ struct proto raw_prot = { .hash = raw_hash_sk, .unhash = raw_unhash_sk, .obj_size = sizeof(struct raw_sock), + .useroffset = offsetof(struct raw_sock, filter), + .usersize = sizeof_field(struct raw_sock, filter), .h.raw_hash = &raw_v4_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_raw_setsockopt, diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c index 785712be5b0d..a471f696e13c 100644 --- a/net/ipv4/tcp_bbr.c +++ b/net/ipv4/tcp_bbr.c @@ -481,7 +481,8 @@ static void bbr_advance_cycle_phase(struct sock *sk) bbr->cycle_idx = (bbr->cycle_idx + 1) & (CYCLE_LEN - 1); bbr->cycle_mstamp = tp->delivered_mstamp; - bbr->pacing_gain = bbr_pacing_gain[bbr->cycle_idx]; + bbr->pacing_gain = bbr->lt_use_bw ? BBR_UNIT : + bbr_pacing_gain[bbr->cycle_idx]; } /* Gain cycling: cycle pacing gain to converge to fair share of available bw. */ @@ -490,8 +491,7 @@ static void bbr_update_cycle_phase(struct sock *sk, { struct bbr *bbr = inet_csk_ca(sk); - if ((bbr->mode == BBR_PROBE_BW) && !bbr->lt_use_bw && - bbr_is_next_cycle_phase(sk, rs)) + if (bbr->mode == BBR_PROBE_BW && bbr_is_next_cycle_phase(sk, rs)) bbr_advance_cycle_phase(sk); } |