diff options
Diffstat (limited to 'net')
29 files changed, 240 insertions, 117 deletions
diff --git a/net/can/bcm.c b/net/can/bcm.c index 6f747582718e..969b7cdff59d 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1084,6 +1084,9 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, op->sk = sk; op->ifindex = ifindex; + /* ifindex for timeout events w/o previous frame reception */ + op->rx_ifindex = ifindex; + /* initialize uninitialized (kzalloc) structure */ hrtimer_init(&op->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); op->timer.function = bcm_rx_timeout_handler; diff --git a/net/core/dev.c b/net/core/dev.c index c0946cb2b354..e5942bf45a6d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3451,6 +3451,8 @@ static int napi_gro_complete(struct sk_buff *skb) struct list_head *head = &ptype_base[ntohs(type) & PTYPE_HASH_MASK]; int err = -ENOENT; + BUILD_BUG_ON(sizeof(struct napi_gro_cb) > sizeof(skb->cb)); + if (NAPI_GRO_CB(skb)->count == 1) { skb_shinfo(skb)->gso_size = 0; goto out; diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index bcf02f608cbf..017a8bacfb27 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -429,6 +429,17 @@ static struct attribute_group netstat_group = { .name = "statistics", .attrs = netstat_attrs, }; + +#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211) +static struct attribute *wireless_attrs[] = { + NULL +}; + +static struct attribute_group wireless_group = { + .name = "wireless", + .attrs = wireless_attrs, +}; +#endif #endif /* CONFIG_SYSFS */ #ifdef CONFIG_RPS @@ -1409,6 +1420,15 @@ int netdev_register_kobject(struct net_device *net) groups++; *groups++ = &netstat_group; + +#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211) + if (net->ieee80211_ptr) + *groups++ = &wireless_group; +#if IS_ENABLED(CONFIG_WIRELESS_EXT) + else if (net->wireless_handlers) + *groups++ = &wireless_group; +#endif +#endif #endif /* CONFIG_SYSFS */ error = device_add(dev); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4007c1437fda..3f0636cd76cd 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3004,7 +3004,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) skb_shinfo(nskb)->gso_size = pinfo->gso_size; pinfo->gso_size = 0; skb_header_release(p); - nskb->prev = p; + NAPI_GRO_CB(nskb)->last = p; nskb->data_len += p->len; nskb->truesize += p->truesize; @@ -3030,8 +3030,8 @@ merge: __skb_pull(skb, offset); - p->prev->next = skb; - p->prev = skb; + NAPI_GRO_CB(p)->last->next = skb; + NAPI_GRO_CB(p)->last = skb; skb_header_release(skb); done: diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index f2eccd531746..17ff9fd7cdda 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -257,7 +257,8 @@ static inline bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt, struct inet_peer *peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, 1); rc = inet_peer_xrlim_allow(peer, net->ipv4.sysctl_icmp_ratelimit); - inet_putpeer(peer); + if (peer) + inet_putpeer(peer); } out: return rc; diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 0c34bfabc11f..e23e16dc501d 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -44,6 +44,10 @@ struct inet_diag_entry { u16 dport; u16 family; u16 userlocks; +#if IS_ENABLED(CONFIG_IPV6) + struct in6_addr saddr_storage; /* for IPv4-mapped-IPv6 addresses */ + struct in6_addr daddr_storage; /* for IPv4-mapped-IPv6 addresses */ +#endif }; static DEFINE_MUTEX(inet_diag_table_mutex); @@ -428,25 +432,31 @@ static int inet_diag_bc_run(const struct nlattr *_bc, break; } - if (cond->prefix_len == 0) - break; - if (op->code == INET_DIAG_BC_S_COND) addr = entry->saddr; else addr = entry->daddr; + if (cond->family != AF_UNSPEC && + cond->family != entry->family) { + if (entry->family == AF_INET6 && + cond->family == AF_INET) { + if (addr[0] == 0 && addr[1] == 0 && + addr[2] == htonl(0xffff) && + bitstring_match(addr + 3, + cond->addr, + cond->prefix_len)) + break; + } + yes = 0; + break; + } + + if (cond->prefix_len == 0) + break; if (bitstring_match(addr, cond->addr, cond->prefix_len)) break; - if (entry->family == AF_INET6 && - cond->family == AF_INET) { - if (addr[0] == 0 && addr[1] == 0 && - addr[2] == htonl(0xffff) && - bitstring_match(addr + 3, cond->addr, - cond->prefix_len)) - break; - } yes = 0; break; } @@ -509,6 +519,55 @@ static int valid_cc(const void *bc, int len, int cc) return 0; } +/* Validate an inet_diag_hostcond. */ +static bool valid_hostcond(const struct inet_diag_bc_op *op, int len, + int *min_len) +{ + int addr_len; + struct inet_diag_hostcond *cond; + + /* Check hostcond space. */ + *min_len += sizeof(struct inet_diag_hostcond); + if (len < *min_len) + return false; + cond = (struct inet_diag_hostcond *)(op + 1); + + /* Check address family and address length. */ + switch (cond->family) { + case AF_UNSPEC: + addr_len = 0; + break; + case AF_INET: + addr_len = sizeof(struct in_addr); + break; + case AF_INET6: + addr_len = sizeof(struct in6_addr); + break; + default: + return false; + } + *min_len += addr_len; + if (len < *min_len) + return false; + + /* Check prefix length (in bits) vs address length (in bytes). */ + if (cond->prefix_len > 8 * addr_len) + return false; + + return true; +} + +/* Validate a port comparison operator. */ +static inline bool valid_port_comparison(const struct inet_diag_bc_op *op, + int len, int *min_len) +{ + /* Port comparisons put the port in a follow-on inet_diag_bc_op. */ + *min_len += sizeof(struct inet_diag_bc_op); + if (len < *min_len) + return false; + return true; +} + static int inet_diag_bc_audit(const void *bytecode, int bytecode_len) { const void *bc = bytecode; @@ -516,29 +575,39 @@ static int inet_diag_bc_audit(const void *bytecode, int bytecode_len) while (len > 0) { const struct inet_diag_bc_op *op = bc; + int min_len = sizeof(struct inet_diag_bc_op); //printk("BC: %d %d %d {%d} / %d\n", op->code, op->yes, op->no, op[1].no, len); switch (op->code) { - case INET_DIAG_BC_AUTO: case INET_DIAG_BC_S_COND: case INET_DIAG_BC_D_COND: + if (!valid_hostcond(bc, len, &min_len)) + return -EINVAL; + break; case INET_DIAG_BC_S_GE: case INET_DIAG_BC_S_LE: case INET_DIAG_BC_D_GE: case INET_DIAG_BC_D_LE: - case INET_DIAG_BC_JMP: - if (op->no < 4 || op->no > len + 4 || op->no & 3) - return -EINVAL; - if (op->no < len && - !valid_cc(bytecode, bytecode_len, len - op->no)) + if (!valid_port_comparison(bc, len, &min_len)) return -EINVAL; break; + case INET_DIAG_BC_AUTO: + case INET_DIAG_BC_JMP: case INET_DIAG_BC_NOP: break; default: return -EINVAL; } - if (op->yes < 4 || op->yes > len + 4 || op->yes & 3) + + if (op->code != INET_DIAG_BC_NOP) { + if (op->no < min_len || op->no > len + 4 || op->no & 3) + return -EINVAL; + if (op->no < len && + !valid_cc(bytecode, bytecode_len, len - op->no)) + return -EINVAL; + } + + if (op->yes < min_len || op->yes > len + 4 || op->yes & 3) return -EINVAL; bc += op->yes; len -= op->yes; @@ -596,6 +665,36 @@ static int inet_twsk_diag_dump(struct inet_timewait_sock *tw, cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->nlh); } +/* Get the IPv4, IPv6, or IPv4-mapped-IPv6 local and remote addresses + * from a request_sock. For IPv4-mapped-IPv6 we must map IPv4 to IPv6. + */ +static inline void inet_diag_req_addrs(const struct sock *sk, + const struct request_sock *req, + struct inet_diag_entry *entry) +{ + struct inet_request_sock *ireq = inet_rsk(req); + +#if IS_ENABLED(CONFIG_IPV6) + if (sk->sk_family == AF_INET6) { + if (req->rsk_ops->family == AF_INET6) { + entry->saddr = inet6_rsk(req)->loc_addr.s6_addr32; + entry->daddr = inet6_rsk(req)->rmt_addr.s6_addr32; + } else if (req->rsk_ops->family == AF_INET) { + ipv6_addr_set_v4mapped(ireq->loc_addr, + &entry->saddr_storage); + ipv6_addr_set_v4mapped(ireq->rmt_addr, + &entry->daddr_storage); + entry->saddr = entry->saddr_storage.s6_addr32; + entry->daddr = entry->daddr_storage.s6_addr32; + } + } else +#endif + { + entry->saddr = &ireq->loc_addr; + entry->daddr = &ireq->rmt_addr; + } +} + static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk, struct request_sock *req, struct user_namespace *user_ns, @@ -637,8 +736,10 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk, r->idiag_inode = 0; #if IS_ENABLED(CONFIG_IPV6) if (r->idiag_family == AF_INET6) { - *(struct in6_addr *)r->id.idiag_src = inet6_rsk(req)->loc_addr; - *(struct in6_addr *)r->id.idiag_dst = inet6_rsk(req)->rmt_addr; + struct inet_diag_entry entry; + inet_diag_req_addrs(sk, req, &entry); + memcpy(r->id.idiag_src, entry.saddr, sizeof(struct in6_addr)); + memcpy(r->id.idiag_dst, entry.daddr, sizeof(struct in6_addr)); } #endif @@ -691,18 +792,7 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk, continue; if (bc) { - entry.saddr = -#if IS_ENABLED(CONFIG_IPV6) - (entry.family == AF_INET6) ? - inet6_rsk(req)->loc_addr.s6_addr32 : -#endif - &ireq->loc_addr; - entry.daddr = -#if IS_ENABLED(CONFIG_IPV6) - (entry.family == AF_INET6) ? - inet6_rsk(req)->rmt_addr.s6_addr32 : -#endif - &ireq->rmt_addr; + inet_diag_req_addrs(sk, req, &entry); entry.dport = ntohs(ireq->rmt_port); if (!inet_diag_bc_run(bc, &entry)) diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 448e68546827..8d5cc75dac88 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -707,28 +707,27 @@ EXPORT_SYMBOL(ip_defrag); struct sk_buff *ip_check_defrag(struct sk_buff *skb, u32 user) { - const struct iphdr *iph; + struct iphdr iph; u32 len; if (skb->protocol != htons(ETH_P_IP)) return skb; - if (!pskb_may_pull(skb, sizeof(struct iphdr))) + if (!skb_copy_bits(skb, 0, &iph, sizeof(iph))) return skb; - iph = ip_hdr(skb); - if (iph->ihl < 5 || iph->version != 4) + if (iph.ihl < 5 || iph.version != 4) return skb; - if (!pskb_may_pull(skb, iph->ihl*4)) - return skb; - iph = ip_hdr(skb); - len = ntohs(iph->tot_len); - if (skb->len < len || len < (iph->ihl * 4)) + + len = ntohs(iph.tot_len); + if (skb->len < len || len < (iph.ihl * 4)) return skb; - if (ip_is_fragment(ip_hdr(skb))) { + if (ip_is_fragment(&iph)) { skb = skb_share_check(skb, GFP_ATOMIC); if (skb) { + if (!pskb_may_pull(skb, iph.ihl*4)) + return skb; if (pskb_trim_rcsum(skb, len)) return skb; memset(IPCB(skb), 0, sizeof(struct inet_skb_parm)); diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 6168c4dc58b1..3eab2b2ffd34 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1318,6 +1318,10 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi if (get_user(v, (u32 __user *)optval)) return -EFAULT; + /* "pimreg%u" should not exceed 16 bytes (IFNAMSIZ) */ + if (v != RT_TABLE_DEFAULT && v >= 1000000000) + return -EINVAL; + rtnl_lock(); ret = 0; if (sk == rtnl_dereference(mrt->mroute_sk)) { diff --git a/net/ipv4/route.c b/net/ipv4/route.c index a8c651216fa6..df251424d816 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1785,6 +1785,7 @@ static struct rtable *__mkroute_output(const struct fib_result *res, if (dev_out->flags & IFF_LOOPBACK) flags |= RTCF_LOCAL; + do_cache = true; if (type == RTN_BROADCAST) { flags |= RTCF_BROADCAST | RTCF_LOCAL; fi = NULL; @@ -1793,6 +1794,8 @@ static struct rtable *__mkroute_output(const struct fib_result *res, if (!ip_check_mc_rcu(in_dev, fl4->daddr, fl4->saddr, fl4->flowi4_proto)) flags &= ~RTCF_LOCAL; + else + do_cache = false; /* If multicast route do not exist use * default one, but do not gateway in this case. * Yes, it is hack. @@ -1802,8 +1805,8 @@ static struct rtable *__mkroute_output(const struct fib_result *res, } fnhe = NULL; - do_cache = fi != NULL; - if (fi) { + do_cache &= fi != NULL; + if (do_cache) { struct rtable __rcu **prth; struct fib_nh *nh = &FIB_RES_NH(*res); @@ -2597,7 +2600,7 @@ int __init ip_rt_init(void) pr_err("Unable to create route proc files\n"); #ifdef CONFIG_XFRM xfrm_init(); - xfrm4_init(ip_rt_max_size); + xfrm4_init(); #endif rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 083092e3aed6..e457c7ab2e28 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -830,8 +830,8 @@ static int tcp_send_mss(struct sock *sk, int *size_goal, int flags) return mss_now; } -static ssize_t do_tcp_sendpages(struct sock *sk, struct page **pages, int poffset, - size_t psize, int flags) +static ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset, + size_t size, int flags) { struct tcp_sock *tp = tcp_sk(sk); int mss_now, size_goal; @@ -858,12 +858,9 @@ static ssize_t do_tcp_sendpages(struct sock *sk, struct page **pages, int poffse if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN)) goto out_err; - while (psize > 0) { + while (size > 0) { struct sk_buff *skb = tcp_write_queue_tail(sk); - struct page *page = pages[poffset / PAGE_SIZE]; int copy, i; - int offset = poffset % PAGE_SIZE; - int size = min_t(size_t, psize, PAGE_SIZE - offset); bool can_coalesce; if (!tcp_send_head(sk) || (copy = size_goal - skb->len) <= 0) { @@ -912,8 +909,8 @@ new_segment: TCP_SKB_CB(skb)->tcp_flags &= ~TCPHDR_PSH; copied += copy; - poffset += copy; - if (!(psize -= copy)) + offset += copy; + if (!(size -= copy)) goto out; if (skb->len < size_goal || (flags & MSG_OOB)) @@ -960,7 +957,7 @@ int tcp_sendpage(struct sock *sk, struct page *page, int offset, flags); lock_sock(sk); - res = do_tcp_sendpages(sk, &page, offset, size, flags); + res = do_tcp_sendpages(sk, page, offset, size, flags); release_sock(sk); return res; } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 609ff98aeb47..181fc8234a52 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -5645,7 +5645,11 @@ static bool tcp_rcv_fastopen_synack(struct sock *sk, struct sk_buff *synack, tcp_fastopen_cache_set(sk, mss, cookie, syn_drop); if (data) { /* Retransmit unacked data in SYN */ - tcp_retransmit_skb(sk, data); + tcp_for_write_queue_from(data, sk) { + if (data == tcp_send_head(sk) || + __tcp_retransmit_skb(sk, data)) + break; + } tcp_rearm_rto(sk); return true; } diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 2798706cb063..948ac275b9b5 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2309,12 +2309,11 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *to, * state updates are done by the caller. Returns non-zero if an * error occurred which prevented the send. */ -int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) +int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) { struct tcp_sock *tp = tcp_sk(sk); struct inet_connection_sock *icsk = inet_csk(sk); unsigned int cur_mss; - int err; /* Inconslusive MTU probe */ if (icsk->icsk_mtup.probe_size) { @@ -2387,11 +2386,17 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) if (unlikely(NET_IP_ALIGN && ((unsigned long)skb->data & 3))) { struct sk_buff *nskb = __pskb_copy(skb, MAX_TCP_HEADER, GFP_ATOMIC); - err = nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) : - -ENOBUFS; + return nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) : + -ENOBUFS; } else { - err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC); + return tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC); } +} + +int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) +{ + struct tcp_sock *tp = tcp_sk(sk); + int err = __tcp_retransmit_skb(sk, skb); if (err == 0) { /* Update global TCP statistics. */ diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 05c5ab8d983c..3be0ac2c1920 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -279,19 +279,8 @@ static void __exit xfrm4_policy_fini(void) xfrm_policy_unregister_afinfo(&xfrm4_policy_afinfo); } -void __init xfrm4_init(int rt_max_size) +void __init xfrm4_init(void) { - /* - * Select a default value for the gc_thresh based on the main route - * table hash size. It seems to me the worst case scenario is when - * we have ipsec operating in transport mode, in which we create a - * dst_entry per socket. The xfrm gc algorithm starts trying to remove - * entries at gc_thresh, and prevents new allocations as 2*gc_thresh - * so lets set an initial xfrm gc_thresh value at the rt_max_size/2. - * That will let us store an ipsec connection per route table entry, - * and start cleaning when were 1/2 full - */ - xfrm4_dst_ops.gc_thresh = rt_max_size/2; dst_entries_init(&xfrm4_dst_ops); xfrm4_state_init(); diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index c4f934176cab..30647857a375 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -252,6 +252,7 @@ struct dst_entry *inet6_csk_update_pmtu(struct sock *sk, u32 mtu) return NULL; dst->ops->update_pmtu(dst, sk, NULL, mtu); - return inet6_csk_route_socket(sk, &fl6); + dst = inet6_csk_route_socket(sk, &fl6); + return IS_ERR(dst) ? NULL : dst; } EXPORT_SYMBOL_GPL(inet6_csk_update_pmtu); diff --git a/net/irda/irttp.c b/net/irda/irttp.c index 1002e3396f72..ae43c62f9045 100644 --- a/net/irda/irttp.c +++ b/net/irda/irttp.c @@ -441,6 +441,7 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify) lsap = irlmp_open_lsap(stsap_sel, &ttp_notify, 0); if (lsap == NULL) { IRDA_DEBUG(0, "%s: unable to allocate LSAP!!\n", __func__); + __irttp_close_tsap(self); return NULL; } diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index bf87c70ac6c5..c21e33d1abd0 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -1151,10 +1151,6 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) mutex_lock(&sdata->u.ibss.mtx); - sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH; - memset(sdata->u.ibss.bssid, 0, ETH_ALEN); - sdata->u.ibss.ssid_len = 0; - active_ibss = ieee80211_sta_active_ibss(sdata); if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) { @@ -1175,6 +1171,10 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) } } + ifibss->state = IEEE80211_IBSS_MLME_SEARCH; + memset(ifibss->bssid, 0, ETH_ALEN); + ifibss->ssid_len = 0; + sta_info_flush(sdata->local, sdata); spin_lock_bh(&ifibss->incomplete_lock); diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index 83608ac16780..2c84185dfdb0 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -458,8 +458,6 @@ void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata) list_move_tail(&roc->list, &tmp_list); roc->abort = true; } - - ieee80211_start_next_roc(local); mutex_unlock(&local->mtx); list_for_each_entry_safe(roc, tmp, &tmp_list, list) { diff --git a/net/netfilter/ipset/ip_set_hash_ip.c b/net/netfilter/ipset/ip_set_hash_ip.c index ec3dba5dcd62..5c0b78528e55 100644 --- a/net/netfilter/ipset/ip_set_hash_ip.c +++ b/net/netfilter/ipset/ip_set_hash_ip.c @@ -173,6 +173,7 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[], return adtfn(set, &nip, timeout, flags); } + ip_to = ip; if (tb[IPSET_ATTR_IP_TO]) { ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); if (ret) @@ -185,8 +186,7 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[], if (!cidr || cidr > 32) return -IPSET_ERR_INVALID_CIDR; ip_set_mask_from_to(ip, ip_to, cidr); - } else - ip_to = ip; + } hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1); diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c index 0171f7502fa5..6283351f4eeb 100644 --- a/net/netfilter/ipset/ip_set_hash_ipport.c +++ b/net/netfilter/ipset/ip_set_hash_ipport.c @@ -162,7 +162,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[], const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_ipport4_elem data = { }; - u32 ip, ip_to = 0, p = 0, port, port_to; + u32 ip, ip_to, p = 0, port, port_to; u32 timeout = h->timeout; bool with_ports = false; int ret; @@ -210,7 +210,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[], return ip_set_eexist(ret, flags) ? 0 : ret; } - ip = ntohl(data.ip); + ip_to = ip = ntohl(data.ip); if (tb[IPSET_ATTR_IP_TO]) { ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); if (ret) @@ -223,8 +223,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[], if (!cidr || cidr > 32) return -IPSET_ERR_INVALID_CIDR; ip_set_mask_from_to(ip, ip_to, cidr); - } else - ip_to = ip; + } port_to = port = ntohs(data.port); if (with_ports && tb[IPSET_ATTR_PORT_TO]) { diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c index 6344ef551ec8..6a21271c8d5a 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportip.c +++ b/net/netfilter/ipset/ip_set_hash_ipportip.c @@ -166,7 +166,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[], const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_ipportip4_elem data = { }; - u32 ip, ip_to = 0, p = 0, port, port_to; + u32 ip, ip_to, p = 0, port, port_to; u32 timeout = h->timeout; bool with_ports = false; int ret; @@ -218,7 +218,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[], return ip_set_eexist(ret, flags) ? 0 : ret; } - ip = ntohl(data.ip); + ip_to = ip = ntohl(data.ip); if (tb[IPSET_ATTR_IP_TO]) { ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); if (ret) @@ -231,8 +231,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[], if (!cidr || cidr > 32) return -IPSET_ERR_INVALID_CIDR; ip_set_mask_from_to(ip, ip_to, cidr); - } else - ip_to = ip; + } port_to = port = ntohs(data.port); if (with_ports && tb[IPSET_ATTR_PORT_TO]) { diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c index cb71f9a774e7..2d5cd4ee30eb 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportnet.c +++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c @@ -215,8 +215,8 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[], const struct ip_set_hash *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_ipportnet4_elem data = { .cidr = HOST_MASK - 1 }; - u32 ip, ip_to = 0, p = 0, port, port_to; - u32 ip2_from = 0, ip2_to, ip2_last, ip2; + u32 ip, ip_to, p = 0, port, port_to; + u32 ip2_from, ip2_to, ip2_last, ip2; u32 timeout = h->timeout; bool with_ports = false; u8 cidr; @@ -286,6 +286,7 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[], return ip_set_eexist(ret, flags) ? 0 : ret; } + ip_to = ip; if (tb[IPSET_ATTR_IP_TO]) { ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); if (ret) @@ -306,6 +307,8 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[], if (port > port_to) swap(port, port_to); } + + ip2_to = ip2_from; if (tb[IPSET_ATTR_IP2_TO]) { ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to); if (ret) diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c index b9a63381e349..45a101439bc5 100644 --- a/net/netfilter/ipset/ip_set_hash_netiface.c +++ b/net/netfilter/ipset/ip_set_hash_netiface.c @@ -793,7 +793,7 @@ static struct ip_set_type hash_netiface_type __read_mostly = { [IPSET_ATTR_IP] = { .type = NLA_NESTED }, [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, [IPSET_ATTR_IFACE] = { .type = NLA_NUL_STRING, - .len = IPSET_MAXNAMELEN - 1 }, + .len = IFNAMSIZ - 1 }, [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index 8847b4d8be06..701c88a20fea 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -41,7 +41,8 @@ MODULE_DESCRIPTION("cttimeout: Extended Netfilter Connection Tracking timeout tu static LIST_HEAD(cttimeout_list); static const struct nla_policy cttimeout_nla_policy[CTA_TIMEOUT_MAX+1] = { - [CTA_TIMEOUT_NAME] = { .type = NLA_NUL_STRING }, + [CTA_TIMEOUT_NAME] = { .type = NLA_NUL_STRING, + .len = CTNL_TIMEOUT_NAME_MAX - 1}, [CTA_TIMEOUT_L3PROTO] = { .type = NLA_U16 }, [CTA_TIMEOUT_L4PROTO] = { .type = NLA_U8 }, [CTA_TIMEOUT_DATA] = { .type = NLA_NESTED }, diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index cc10d073c338..9e8f4b2801f6 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -1210,7 +1210,7 @@ int nfc_llcp_register_device(struct nfc_dev *ndev) local->remote_miu = LLCP_DEFAULT_MIU; local->remote_lto = LLCP_DEFAULT_LTO; - list_add(&llcp_devices, &local->list); + list_add(&local->list, &llcp_devices); return 0; } diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 98c70630ad06..733cbf49ed1f 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -702,15 +702,11 @@ int ovs_flow_extract(struct sk_buff *skb, u16 in_port, struct sw_flow_key *key, /* We only match on the lower 8 bits of the opcode. */ if (ntohs(arp->ar_op) <= 0xff) key->ip.proto = ntohs(arp->ar_op); - - if (key->ip.proto == ARPOP_REQUEST - || key->ip.proto == ARPOP_REPLY) { - memcpy(&key->ipv4.addr.src, arp->ar_sip, sizeof(key->ipv4.addr.src)); - memcpy(&key->ipv4.addr.dst, arp->ar_tip, sizeof(key->ipv4.addr.dst)); - memcpy(key->ipv4.arp.sha, arp->ar_sha, ETH_ALEN); - memcpy(key->ipv4.arp.tha, arp->ar_tha, ETH_ALEN); - key_len = SW_FLOW_KEY_OFFSET(ipv4.arp); - } + memcpy(&key->ipv4.addr.src, arp->ar_sip, sizeof(key->ipv4.addr.src)); + memcpy(&key->ipv4.addr.dst, arp->ar_tip, sizeof(key->ipv4.addr.dst)); + memcpy(key->ipv4.arp.sha, arp->ar_sha, ETH_ALEN); + memcpy(key->ipv4.arp.tha, arp->ar_tha, ETH_ALEN); + key_len = SW_FLOW_KEY_OFFSET(ipv4.arp); } } else if (key->eth.type == htons(ETH_P_IPV6)) { int nh_len; /* IPv6 Header + Extensions */ diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c index 3c1e58ba714b..a9033481fa5e 100644 --- a/net/openvswitch/vport-netdev.c +++ b/net/openvswitch/vport-netdev.c @@ -158,7 +158,7 @@ static int netdev_send(struct vport *vport, struct sk_buff *skb) if (unlikely(packet_length(skb) > mtu && !skb_is_gso(skb))) { net_warn_ratelimited("%s: dropped over-mtu packet: %d > %d\n", - ovs_dp_name(vport->dp), + netdev_vport->dev->name, packet_length(skb), mtu); goto error; } diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c index 7c2df9c33df3..69ce21e3716f 100644 --- a/net/sctp/chunk.c +++ b/net/sctp/chunk.c @@ -183,7 +183,7 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc, msg = sctp_datamsg_new(GFP_KERNEL); if (!msg) - return NULL; + return ERR_PTR(-ENOMEM); /* Note: Calculate this outside of the loop, so that all fragments * have the same expiration. @@ -280,11 +280,14 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc, chunk = sctp_make_datafrag_empty(asoc, sinfo, len, frag, 0); - if (!chunk) + if (!chunk) { + err = -ENOMEM; goto errout; + } + err = sctp_user_addto_chunk(chunk, offset, len, msgh->msg_iov); if (err < 0) - goto errout; + goto errout_chunk_free; offset += len; @@ -315,8 +318,10 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc, chunk = sctp_make_datafrag_empty(asoc, sinfo, over, frag, 0); - if (!chunk) + if (!chunk) { + err = -ENOMEM; goto errout; + } err = sctp_user_addto_chunk(chunk, offset, over,msgh->msg_iov); @@ -324,7 +329,7 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc, __skb_pull(chunk->skb, (__u8 *)chunk->chunk_hdr - (__u8 *)chunk->skb->data); if (err < 0) - goto errout; + goto errout_chunk_free; sctp_datamsg_assign(msg, chunk); list_add_tail(&chunk->frag_list, &msg->chunks); @@ -332,6 +337,9 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc, return msg; +errout_chunk_free: + sctp_chunk_free(chunk); + errout: list_for_each_safe(pos, temp, &msg->chunks) { list_del_init(pos); @@ -339,7 +347,7 @@ errout: sctp_chunk_free(chunk); } sctp_datamsg_put(msg); - return NULL; + return ERR_PTR(err); } /* Check whether this message has expired. */ diff --git a/net/sctp/socket.c b/net/sctp/socket.c index a60d1f8b41c5..406d957d08fb 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1915,8 +1915,8 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, /* Break the message into multiple chunks of maximum size. */ datamsg = sctp_datamsg_from_user(asoc, sinfo, msg, msg_len); - if (!datamsg) { - err = -ENOMEM; + if (IS_ERR(datamsg)) { + err = PTR_ERR(datamsg); goto out_free; } diff --git a/net/sctp/transport.c b/net/sctp/transport.c index 953c21e4af97..206cf5238fd3 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -331,7 +331,7 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt) * 1/8, rto_alpha would be expressed as 3. */ tp->rttvar = tp->rttvar - (tp->rttvar >> net->sctp.rto_beta) - + ((abs(tp->srtt - rtt)) >> net->sctp.rto_beta); + + (((__u32)abs64((__s64)tp->srtt - (__s64)rtt)) >> net->sctp.rto_beta); tp->srtt = tp->srtt - (tp->srtt >> net->sctp.rto_alpha) + (rtt >> net->sctp.rto_alpha); } else { |