diff options
Diffstat (limited to 'net')
56 files changed, 462 insertions, 193 deletions
diff --git a/net/atm/common.c b/net/atm/common.c index 7b491006eaf..737bef59ce8 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, struct sk_buff *skb; int copied, error = -EINVAL; + msg->msg_namelen = 0; + if (sock->state != SS_CONNECTED) return -ENOTCONN; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 7b11f8bc507..e277e38f736 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock, ax25_address src; const unsigned char *mac = skb_mac_header(skb); + memset(sax, 0, sizeof(struct full_sockaddr_ax25)); ax25_addr_parse(mac + 1, skb->data - mac - 1, &src, NULL, &digi, NULL, NULL); sax->sax25_family = AF_AX25; diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index d3ee69b35a7..0d1b08cc76e 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -230,6 +230,8 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, if (flags & (MSG_OOB)) return -EOPNOTSUPP; + msg->msg_namelen = 0; + skb = skb_recv_datagram(sk, flags, noblock, &err); if (!skb) { if (sk->sk_shutdown & RCV_SHUTDOWN) @@ -237,8 +239,6 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, return err; } - msg->msg_namelen = 0; - copied = skb->len; if (len < copied) { msg->msg_flags |= MSG_TRUNC; diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index c23bae86263..7c9224bcce1 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock, if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) { rfcomm_dlc_accept(d); + msg->msg_namelen = 0; return 0; } diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index fad0302bdb3..fb6192c9812 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock, test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) { hci_conn_accept(pi->conn->hcon, 0); sk->sk_state = BT_CONFIG; + msg->msg_namelen = 0; release_sock(sk); return 0; diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 095259f8390..ff2ff3ce696 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -286,6 +286,8 @@ static int caif_seqpkt_recvmsg(struct kiocb *iocb, struct socket *sock, if (m->msg_flags&MSG_OOB) goto read_error; + m->msg_namelen = 0; + skb = skb_recv_datagram(sk, flags, 0 , &ret); if (!skb) goto read_error; diff --git a/net/can/gw.c b/net/can/gw.c index 2d117dc5ebe..117814a7e73 100644 --- a/net/can/gw.c +++ b/net/can/gw.c @@ -466,7 +466,7 @@ static int cgw_notifier(struct notifier_block *nb, if (gwj->src.dev == dev || gwj->dst.dev == dev) { hlist_del(&gwj->list); cgw_unregister_filter(gwj); - kfree(gwj); + kmem_cache_free(cgw_cache, gwj); } } } @@ -864,7 +864,7 @@ static void cgw_remove_all_jobs(void) hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) { hlist_del(&gwj->list); cgw_unregister_filter(gwj); - kfree(gwj); + kmem_cache_free(cgw_cache, gwj); } } @@ -920,7 +920,7 @@ static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) hlist_del(&gwj->list); cgw_unregister_filter(gwj); - kfree(gwj); + kmem_cache_free(cgw_cache, gwj); err = 0; break; } diff --git a/net/core/dev.c b/net/core/dev.c index b13e5c766c1..e7d68ed8aaf 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1624,7 +1624,6 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) } skb_orphan(skb); - nf_reset(skb); if (unlikely(!is_skb_forwardable(dev, skb))) { atomic_long_inc(&dev->rx_dropped); @@ -1640,6 +1639,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) skb->mark = 0; secpath_reset(skb); nf_reset(skb); + nf_reset_trace(skb); return netif_rx(skb); } EXPORT_SYMBOL_GPL(dev_forward_skb); @@ -3314,6 +3314,7 @@ int netdev_rx_handler_register(struct net_device *dev, if (dev->rx_handler) return -EBUSY; + /* Note: rx_handler_data must be set before rx_handler */ rcu_assign_pointer(dev->rx_handler_data, rx_handler_data); rcu_assign_pointer(dev->rx_handler, rx_handler); @@ -3334,6 +3335,11 @@ void netdev_rx_handler_unregister(struct net_device *dev) ASSERT_RTNL(); RCU_INIT_POINTER(dev->rx_handler, NULL); + /* a reader seeing a non NULL rx_handler in a rcu_read_lock() + * section has a guarantee to see a non NULL rx_handler_data + * as well. + */ + synchronize_net(); RCU_INIT_POINTER(dev->rx_handler_data, NULL); } EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister); diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index bd2eb9d3e36..abdc9e6ef33 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -37,7 +37,7 @@ static int __hw_addr_create_ex(struct netdev_hw_addr_list *list, ha->type = addr_type; ha->refcount = 1; ha->global_use = global; - ha->synced = false; + ha->synced = 0; list_add_tail_rcu(&ha->list, &list->list); list->count++; @@ -165,7 +165,7 @@ int __hw_addr_sync(struct netdev_hw_addr_list *to_list, addr_len, ha->type); if (err) break; - ha->synced = true; + ha->synced++; ha->refcount++; } else if (ha->refcount == 1) { __hw_addr_del(to_list, ha->addr, addr_len, ha->type); @@ -186,7 +186,7 @@ void __hw_addr_unsync(struct netdev_hw_addr_list *to_list, if (ha->synced) { __hw_addr_del(to_list, ha->addr, addr_len, ha->type); - ha->synced = false; + ha->synced--; __hw_addr_del(from_list, ha->addr, addr_len, ha->type); } diff --git a/net/core/flow.c b/net/core/flow.c index c56ea6f7f6c..2bfd081c59f 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -328,7 +328,7 @@ static void flow_cache_flush_per_cpu(void *data) struct flow_flush_info *info = data; struct tasklet_struct *tasklet; - tasklet = this_cpu_ptr(&info->cache->percpu->flush_tasklet); + tasklet = &this_cpu_ptr(info->cache->percpu)->flush_tasklet; tasklet->data = (unsigned long)info; tasklet_schedule(tasklet); } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 5fb8d7e4729..23854b51a25 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -496,8 +496,10 @@ static int rtnl_link_fill(struct sk_buff *skb, const struct net_device *dev) } if (ops->fill_info) { data = nla_nest_start(skb, IFLA_INFO_DATA); - if (data == NULL) + if (data == NULL) { + err = -EMSGSIZE; goto err_cancel_link; + } err = ops->fill_info(skb, dev); if (err < 0) goto err_cancel_data; @@ -1070,7 +1072,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) rcu_read_lock(); cb->seq = net->dev_base_seq; - if (nlmsg_parse(cb->nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX, + if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX, ifla_policy) >= 0) { if (tb[IFLA_EXT_MASK]) @@ -1920,7 +1922,7 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh) u32 ext_filter_mask = 0; u16 min_ifinfo_dump_size = 0; - if (nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX, + if (nlmsg_parse(nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX, ifla_policy) >= 0) { if (tb[IFLA_EXT_MASK]) ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]); diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index f678507bc82..c6287cd978c 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -587,13 +587,16 @@ static void check_lifetime(struct work_struct *work) { unsigned long now, next, next_sec, next_sched; struct in_ifaddr *ifa; + struct hlist_node *n; int i; now = jiffies; next = round_jiffies_up(now + ADDR_CHECK_FREQUENCY); - rcu_read_lock(); for (i = 0; i < IN4_ADDR_HSIZE; i++) { + bool change_needed = false; + + rcu_read_lock(); hlist_for_each_entry_rcu(ifa, &inet_addr_lst[i], hash) { unsigned long age; @@ -606,16 +609,7 @@ static void check_lifetime(struct work_struct *work) if (ifa->ifa_valid_lft != INFINITY_LIFE_TIME && age >= ifa->ifa_valid_lft) { - struct in_ifaddr **ifap ; - - rtnl_lock(); - for (ifap = &ifa->ifa_dev->ifa_list; - *ifap != NULL; ifap = &ifa->ifa_next) { - if (*ifap == ifa) - inet_del_ifa(ifa->ifa_dev, - ifap, 1); - } - rtnl_unlock(); + change_needed = true; } else if (ifa->ifa_preferred_lft == INFINITY_LIFE_TIME) { continue; @@ -625,10 +619,8 @@ static void check_lifetime(struct work_struct *work) next = ifa->ifa_tstamp + ifa->ifa_valid_lft * HZ; - if (!(ifa->ifa_flags & IFA_F_DEPRECATED)) { - ifa->ifa_flags |= IFA_F_DEPRECATED; - rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0); - } + if (!(ifa->ifa_flags & IFA_F_DEPRECATED)) + change_needed = true; } else if (time_before(ifa->ifa_tstamp + ifa->ifa_preferred_lft * HZ, next)) { @@ -636,8 +628,42 @@ static void check_lifetime(struct work_struct *work) ifa->ifa_preferred_lft * HZ; } } + rcu_read_unlock(); + if (!change_needed) + continue; + rtnl_lock(); + hlist_for_each_entry_safe(ifa, n, &inet_addr_lst[i], hash) { + unsigned long age; + + if (ifa->ifa_flags & IFA_F_PERMANENT) + continue; + + /* We try to batch several events at once. */ + age = (now - ifa->ifa_tstamp + + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; + + if (ifa->ifa_valid_lft != INFINITY_LIFE_TIME && + age >= ifa->ifa_valid_lft) { + struct in_ifaddr **ifap; + + for (ifap = &ifa->ifa_dev->ifa_list; + *ifap != NULL; ifap = &(*ifap)->ifa_next) { + if (*ifap == ifa) { + inet_del_ifa(ifa->ifa_dev, + ifap, 1); + break; + } + } + } else if (ifa->ifa_preferred_lft != + INFINITY_LIFE_TIME && + age >= ifa->ifa_preferred_lft && + !(ifa->ifa_flags & IFA_F_DEPRECATED)) { + ifa->ifa_flags |= IFA_F_DEPRECATED; + rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0); + } + } + rtnl_unlock(); } - rcu_read_unlock(); next_sec = round_jiffies_up(next); next_sched = next; @@ -802,8 +828,12 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg if (nlh->nlmsg_flags & NLM_F_EXCL || !(nlh->nlmsg_flags & NLM_F_REPLACE)) return -EEXIST; - - set_ifa_lifetime(ifa_existing, valid_lft, prefered_lft); + ifa = ifa_existing; + set_ifa_lifetime(ifa, valid_lft, prefered_lft); + cancel_delayed_work(&check_lifetime_work); + schedule_delayed_work(&check_lifetime_work, 0); + rtmsg_ifa(RTM_NEWADDR, ifa, nlh, NETLINK_CB(skb).portid); + blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa); } return 0; } diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 5d0b4387cba..b44cf81d817 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2709,6 +2709,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, skb_reserve(skb, MAX_TCP_HEADER); skb_dst_set(skb, dst); + security_skb_owned_by(skb, sk); mss = dst_metric_advmss(dst); if (tp->rx_opt.user_mss && tp->rx_opt.user_mss < mss) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 26512250e09..a459c4f5b76 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2529,6 +2529,9 @@ static void sit_add_v4_addrs(struct inet6_dev *idev) static void init_loopback(struct net_device *dev) { struct inet6_dev *idev; + struct net_device *sp_dev; + struct inet6_ifaddr *sp_ifa; + struct rt6_info *sp_rt; /* ::1 */ @@ -2540,6 +2543,30 @@ static void init_loopback(struct net_device *dev) } add_addr(idev, &in6addr_loopback, 128, IFA_HOST); + + /* Add routes to other interface's IPv6 addresses */ + for_each_netdev(dev_net(dev), sp_dev) { + if (!strcmp(sp_dev->name, dev->name)) + continue; + + idev = __in6_dev_get(sp_dev); + if (!idev) + continue; + + read_lock_bh(&idev->lock); + list_for_each_entry(sp_ifa, &idev->addr_list, if_list) { + + if (sp_ifa->flags & (IFA_F_DADFAILED | IFA_F_TENTATIVE)) + continue; + + sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, 0); + + /* Failure cases are ignored */ + if (!IS_ERR(sp_rt)) + ip6_ins_rt(sp_rt); + } + read_unlock_bh(&idev->lock); + } } static void addrconf_add_linklocal(struct inet6_dev *idev, const struct in6_addr *addr) diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index e33fe0ab256..2bab2aa5974 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -118,6 +118,18 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt ipv6_addr_loopback(&hdr->daddr)) goto err; + /* RFC4291 Errata ID: 3480 + * Interface-Local scope spans only a single interface on a + * node and is useful only for loopback transmission of + * multicast. Packets with interface-local scope received + * from another node must be discarded. + */ + if (!(skb->pkt_type == PACKET_LOOPBACK || + dev->flags & IFF_LOOPBACK) && + ipv6_addr_is_multicast(&hdr->daddr) && + IPV6_ADDR_MC_SCOPE(&hdr->daddr) == 1) + goto err; + /* RFC4291 2.7 * Nodes must not originate a packet to a multicast address whose scope * field contains the reserved value 0; if such a packet is received, it diff --git a/net/ipv6/netfilter/ip6t_NPT.c b/net/ipv6/netfilter/ip6t_NPT.c index 33608c61027..cb631143721 100644 --- a/net/ipv6/netfilter/ip6t_NPT.c +++ b/net/ipv6/netfilter/ip6t_NPT.c @@ -57,7 +57,7 @@ static bool ip6t_npt_map_pfx(const struct ip6t_npt_tginfo *npt, if (pfx_len - i >= 32) mask = 0; else - mask = htonl(~((1 << (pfx_len - i)) - 1)); + mask = htonl((1 << (i - pfx_len + 32)) - 1); idx = i / 32; addr->s6_addr32[idx] &= mask; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index f6d629fd6ae..46a5be85be8 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -386,6 +386,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, if (dst) dst->ops->redirect(dst, sk, skb); + goto out; } if (type == ICMPV6_PKT_TOOBIG) { diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index d28e7f014cc..e493b3397ae 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1386,6 +1386,8 @@ static int irda_recvmsg_dgram(struct kiocb *iocb, struct socket *sock, IRDA_DEBUG(4, "%s()\n", __func__); + msg->msg_namelen = 0; + skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &err); if (!skb) diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index a7d11ffe428..206ce6db2c3 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -49,12 +49,6 @@ static const u8 iprm_shutdown[8] = #define TRGCLS_SIZE (sizeof(((struct iucv_message *)0)->class)) -/* macros to set/get socket control buffer at correct offset */ -#define CB_TAG(skb) ((skb)->cb) /* iucv message tag */ -#define CB_TAG_LEN (sizeof(((struct iucv_message *) 0)->tag)) -#define CB_TRGCLS(skb) ((skb)->cb + CB_TAG_LEN) /* iucv msg target class */ -#define CB_TRGCLS_LEN (TRGCLS_SIZE) - #define __iucv_sock_wait(sk, condition, timeo, ret) \ do { \ DEFINE_WAIT(__wait); \ @@ -1141,7 +1135,7 @@ static int iucv_sock_sendmsg(struct kiocb *iocb, struct socket *sock, /* increment and save iucv message tag for msg_completion cbk */ txmsg.tag = iucv->send_tag++; - memcpy(CB_TAG(skb), &txmsg.tag, CB_TAG_LEN); + IUCV_SKB_CB(skb)->tag = txmsg.tag; if (iucv->transport == AF_IUCV_TRANS_HIPER) { atomic_inc(&iucv->msg_sent); @@ -1224,7 +1218,7 @@ static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len) return -ENOMEM; /* copy target class to control buffer of new skb */ - memcpy(CB_TRGCLS(nskb), CB_TRGCLS(skb), CB_TRGCLS_LEN); + IUCV_SKB_CB(nskb)->class = IUCV_SKB_CB(skb)->class; /* copy data fragment */ memcpy(nskb->data, skb->data + copied, size); @@ -1256,7 +1250,7 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb, /* store msg target class in the second 4 bytes of skb ctrl buffer */ /* Note: the first 4 bytes are reserved for msg tag */ - memcpy(CB_TRGCLS(skb), &msg->class, CB_TRGCLS_LEN); + IUCV_SKB_CB(skb)->class = msg->class; /* check for special IPRM messages (e.g. iucv_sock_shutdown) */ if ((msg->flags & IUCV_IPRMDATA) && len > 7) { @@ -1292,6 +1286,7 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb, } } + IUCV_SKB_CB(skb)->offset = 0; if (sock_queue_rcv_skb(sk, skb)) skb_queue_head(&iucv_sk(sk)->backlog_skb_q, skb); } @@ -1327,6 +1322,9 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, unsigned int copied, rlen; struct sk_buff *skb, *rskb, *cskb; int err = 0; + u32 offset; + + msg->msg_namelen = 0; if ((sk->sk_state == IUCV_DISCONN) && skb_queue_empty(&iucv->backlog_skb_q) && @@ -1346,13 +1344,14 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, return err; } - rlen = skb->len; /* real length of skb */ + offset = IUCV_SKB_CB(skb)->offset; + rlen = skb->len - offset; /* real length of skb */ copied = min_t(unsigned int, rlen, len); if (!rlen) sk->sk_shutdown = sk->sk_shutdown | RCV_SHUTDOWN; cskb = skb; - if (skb_copy_datagram_iovec(cskb, 0, msg->msg_iov, copied)) { + if (skb_copy_datagram_iovec(cskb, offset, msg->msg_iov, copied)) { if (!(flags & MSG_PEEK)) skb_queue_head(&sk->sk_receive_queue, skb); return -EFAULT; @@ -1370,7 +1369,8 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, * get the trgcls from the control buffer of the skb due to * fragmentation of original iucv message. */ err = put_cmsg(msg, SOL_IUCV, SCM_IUCV_TRGCLS, - CB_TRGCLS_LEN, CB_TRGCLS(skb)); + sizeof(IUCV_SKB_CB(skb)->class), + (void *)&IUCV_SKB_CB(skb)->class); if (err) { if (!(flags & MSG_PEEK)) skb_queue_head(&sk->sk_receive_queue, skb); @@ -1382,9 +1382,8 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, /* SOCK_STREAM: re-queue skb if it contains unreceived data */ if (sk->sk_type == SOCK_STREAM) { - skb_pull(skb, copied); - if (skb->len) { - skb_queue_head(&sk->sk_receive_queue, skb); + if (copied < rlen) { + IUCV_SKB_CB(skb)->offset = offset + copied; goto done; } } @@ -1403,6 +1402,7 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, spin_lock_bh(&iucv->message_q.lock); rskb = skb_dequeue(&iucv->backlog_skb_q); while (rskb) { + IUCV_SKB_CB(rskb)->offset = 0; if (sock_queue_rcv_skb(sk, rskb)) { skb_queue_head(&iucv->backlog_skb_q, rskb); @@ -1830,7 +1830,7 @@ static void iucv_callback_txdone(struct iucv_path *path, spin_lock_irqsave(&list->lock, flags); while (list_skb != (struct sk_buff *)list) { - if (!memcmp(&msg->tag, CB_TAG(list_skb), CB_TAG_LEN)) { + if (msg->tag != IUCV_SKB_CB(list_skb)->tag) { this = list_skb; break; } @@ -2091,6 +2091,7 @@ static int afiucv_hs_callback_rx(struct sock *sk, struct sk_buff *skb) skb_pull(skb, sizeof(struct af_iucv_trans_hdr)); skb_reset_transport_header(skb); skb_reset_network_header(skb); + IUCV_SKB_CB(skb)->offset = 0; spin_lock(&iucv->message_q.lock); if (skb_queue_empty(&iucv->backlog_skb_q)) { if (sock_queue_rcv_skb(sk, skb)) { @@ -2195,8 +2196,7 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev, /* fall through and receive zero length data */ case 0: /* plain data frame */ - memcpy(CB_TRGCLS(skb), &trans_hdr->iucv_hdr.class, - CB_TRGCLS_LEN); + IUCV_SKB_CB(skb)->class = trans_hdr->iucv_hdr.class; err = afiucv_hs_callback_rx(sk, skb); break; default: diff --git a/net/key/af_key.c b/net/key/af_key.c index 8555f331ea6..5b1e5af2571 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -2693,6 +2693,7 @@ static int key_notify_policy_flush(const struct km_event *c) hdr->sadb_msg_pid = c->portid; hdr->sadb_msg_version = PF_KEY_V2; hdr->sadb_msg_errno = (uint8_t) 0; + hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC; hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net); return 0; diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index c74f5a91ff6..b8a6039314e 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -690,6 +690,7 @@ static int l2tp_ip6_recvmsg(struct kiocb *iocb, struct sock *sk, lsa->l2tp_addr = ipv6_hdr(skb)->saddr; lsa->l2tp_flowinfo = 0; lsa->l2tp_scope_id = 0; + lsa->l2tp_conn_id = 0; if (ipv6_addr_type(&lsa->l2tp_addr) & IPV6_ADDR_LINKLOCAL) lsa->l2tp_scope_id = IP6CB(skb)->iif; } diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 88709882c46..48aaa89253e 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -720,6 +720,8 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, int target; /* Read at least this many bytes */ long timeo; + msg->msg_namelen = 0; + lock_sock(sk); copied = -ENOTCONN; if (unlikely(sk->sk_type == SOCK_STREAM && sk->sk_state == TCP_LISTEN)) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index fb306814576..a6893602f87 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2582,7 +2582,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, list_del(&dep->list); mutex_unlock(&local->mtx); - ieee80211_roc_notify_destroy(dep); + ieee80211_roc_notify_destroy(dep, true); return 0; } @@ -2622,7 +2622,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, ieee80211_start_next_roc(local); mutex_unlock(&local->mtx); - ieee80211_roc_notify_destroy(found); + ieee80211_roc_notify_destroy(found, true); } else { /* work may be pending so use it all the time */ found->abort = true; @@ -2632,6 +2632,8 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, /* work will clean up etc */ flush_delayed_work(&found->work); + WARN_ON(!found->to_be_freed); + kfree(found); } return 0; diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 78c0d90dd64..931be419ab5 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -63,6 +63,7 @@ ieee80211_new_chanctx(struct ieee80211_local *local, enum ieee80211_chanctx_mode mode) { struct ieee80211_chanctx *ctx; + u32 changed; int err; lockdep_assert_held(&local->chanctx_mtx); @@ -76,6 +77,13 @@ ieee80211_new_chanctx(struct ieee80211_local *local, ctx->conf.rx_chains_dynamic = 1; ctx->mode = mode; + /* acquire mutex to prevent idle from changing */ + mutex_lock(&local->mtx); + /* turn idle off *before* setting channel -- some drivers need that */ + changed = ieee80211_idle_off(local); + if (changed) + ieee80211_hw_config(local, changed); + if (!local->use_chanctx) { local->_oper_channel_type = cfg80211_get_chandef_type(chandef); @@ -85,14 +93,17 @@ ieee80211_new_chanctx(struct ieee80211_local *local, err = drv_add_chanctx(local, ctx); if (err) { kfree(ctx); - return ERR_PTR(err); + ctx = ERR_PTR(err); + + ieee80211_recalc_idle(local); + goto out; } } + /* and keep the mutex held until the new chanctx is on the list */ list_add_rcu(&ctx->list, &local->chanctx_list); - mutex_lock(&local->mtx); - ieee80211_recalc_idle(local); + out: mutex_unlock(&local->mtx); return ctx; diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 388580a1bad..5672533a083 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -309,6 +309,7 @@ struct ieee80211_roc_work { struct ieee80211_channel *chan; bool started, abort, hw_begun, notified; + bool to_be_freed; unsigned long hw_start_time; @@ -1347,7 +1348,7 @@ void ieee80211_offchannel_return(struct ieee80211_local *local); void ieee80211_roc_setup(struct ieee80211_local *local); void ieee80211_start_next_roc(struct ieee80211_local *local); void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); -void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); +void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); void ieee80211_sw_roc_work(struct work_struct *work); void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); @@ -1361,6 +1362,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, enum nl80211_iftype type); void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); void ieee80211_remove_interfaces(struct ieee80211_local *local); +u32 ieee80211_idle_off(struct ieee80211_local *local); void ieee80211_recalc_idle(struct ieee80211_local *local); void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, const int offset); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index baaa8608e52..58150f877ec 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -78,7 +78,7 @@ void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER); } -static u32 ieee80211_idle_off(struct ieee80211_local *local) +u32 ieee80211_idle_off(struct ieee80211_local *local) { if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE)) return 0; @@ -349,21 +349,19 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata) static int ieee80211_add_virtual_monitor(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; - int ret = 0; + int ret; if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF)) return 0; - mutex_lock(&local->iflist_mtx); + ASSERT_RTNL(); if (local->monitor_sdata) - goto out_unlock; + return 0; sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size, GFP_KERNEL); - if (!sdata) { - ret = -ENOMEM; - goto out_unlock; - } + if (!sdata) + return -ENOMEM; /* set up data */ sdata->local = local; @@ -377,13 +375,13 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local) if (WARN_ON(ret)) { /* ok .. stupid driver, it asked for this! */ kfree(sdata); - goto out_unlock; + return ret; } ret = ieee80211_check_queues(sdata); if (ret) { kfree(sdata); - goto out_unlock; + return ret; } ret = ieee80211_vif_use_channel(sdata, &local->monitor_chandef, @@ -391,13 +389,14 @@ static int ieee80211_add_virtual_monitor(struct ieee80211_local *local) if (ret) { drv_remove_interface(local, sdata); kfree(sdata); - goto out_unlock; + return ret; } + mutex_lock(&local->iflist_mtx); rcu_assign_pointer(local->monitor_sdata, sdata); - out_unlock: mutex_unlock(&local->iflist_mtx); - return ret; + + return 0; } static void ieee80211_del_virtual_monitor(struct ieee80211_local *local) @@ -407,14 +406,20 @@ static void ieee80211_del_virtual_monitor(struct ieee80211_local *local) if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF)) return; + ASSERT_RTNL(); + mutex_lock(&local->iflist_mtx); sdata = rcu_dereference_protected(local->monitor_sdata, lockdep_is_held(&local->iflist_mtx)); - if (!sdata) - goto out_unlock; + if (!sdata) { + mutex_unlock(&local->iflist_mtx); + return; + } rcu_assign_pointer(local->monitor_sdata, NULL); + mutex_unlock(&local->iflist_mtx); + synchronize_net(); ieee80211_vif_release_channel(sdata); @@ -422,8 +427,6 @@ static void ieee80211_del_virtual_monitor(struct ieee80211_local *local) drv_remove_interface(local, sdata); kfree(sdata); - out_unlock: - mutex_unlock(&local->iflist_mtx); } /* diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 29ce2aa87e7..4749b385869 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -1060,7 +1060,8 @@ void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) rcu_read_lock(); list_for_each_entry_rcu(sdata, &local->interfaces, list) - if (ieee80211_vif_is_mesh(&sdata->vif)) + if (ieee80211_vif_is_mesh(&sdata->vif) && + ieee80211_sdata_running(sdata)) ieee80211_queue_work(&local->hw, &sdata->work); rcu_read_unlock(); } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 141577412d8..82cc30318a8 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3608,8 +3608,10 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local) /* Restart STA timers */ rcu_read_lock(); - list_for_each_entry_rcu(sdata, &local->interfaces, list) - ieee80211_restart_sta_timer(sdata); + list_for_each_entry_rcu(sdata, &local->interfaces, list) { + if (ieee80211_sdata_running(sdata)) + ieee80211_restart_sta_timer(sdata); + } rcu_read_unlock(); } diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index cc79b4a2e82..430bd254e49 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -297,10 +297,13 @@ void ieee80211_start_next_roc(struct ieee80211_local *local) } } -void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc) +void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free) { struct ieee80211_roc_work *dep, *tmp; + if (WARN_ON(roc->to_be_freed)) + return; + /* was never transmitted */ if (roc->frame) { cfg80211_mgmt_tx_status(&roc->sdata->wdev, @@ -316,9 +319,12 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc) GFP_KERNEL); list_for_each_entry_safe(dep, tmp, &roc->dependents, list) - ieee80211_roc_notify_destroy(dep); + ieee80211_roc_notify_destroy(dep, true); - kfree(roc); + if (free) + kfree(roc); + else + roc->to_be_freed = true; } void ieee80211_sw_roc_work(struct work_struct *work) @@ -331,6 +337,9 @@ void ieee80211_sw_roc_work(struct work_struct *work) mutex_lock(&local->mtx); + if (roc->to_be_freed) + goto out_unlock; + if (roc->abort) goto finish; @@ -370,7 +379,7 @@ void ieee80211_sw_roc_work(struct work_struct *work) finish: list_del(&roc->list); started = roc->started; - ieee80211_roc_notify_destroy(roc); + ieee80211_roc_notify_destroy(roc, !roc->abort); if (started) { drv_flush(local, false); @@ -410,7 +419,7 @@ static void ieee80211_hw_roc_done(struct work_struct *work) list_del(&roc->list); - ieee80211_roc_notify_destroy(roc); + ieee80211_roc_notify_destroy(roc, true); /* if there's another roc, start it now */ ieee80211_start_next_roc(local); @@ -460,12 +469,14 @@ void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata) list_for_each_entry_safe(roc, tmp, &tmp_list, list) { if (local->ops->remain_on_channel) { list_del(&roc->list); - ieee80211_roc_notify_destroy(roc); + ieee80211_roc_notify_destroy(roc, true); } else { ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); /* work will clean up etc */ flush_delayed_work(&roc->work); + WARN_ON(!roc->to_be_freed); + kfree(roc); } } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index bb73ed2d20b..c6844ad080b 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2675,7 +2675,19 @@ ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx) memset(nskb->cb, 0, sizeof(nskb->cb)); - ieee80211_tx_skb(rx->sdata, nskb); + if (rx->sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(nskb); + + info->flags = IEEE80211_TX_CTL_TX_OFFCHAN | + IEEE80211_TX_INTFL_OFFCHAN_TX_OK | + IEEE80211_TX_CTL_NO_CCK_RATE; + if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) + info->hw_queue = + local->hw.offchannel_tx_hw_queue; + } + + __ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7, + status->band); } dev_kfree_skb(rx->skb); return RX_QUEUED; diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index a79ce820cb5..238a0cca320 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -766,6 +766,7 @@ int __must_check __sta_info_destroy(struct sta_info *sta) struct ieee80211_local *local; struct ieee80211_sub_if_data *sdata; int ret, i; + bool have_key = false; might_sleep(); @@ -793,12 +794,19 @@ int __must_check __sta_info_destroy(struct sta_info *sta) list_del_rcu(&sta->list); mutex_lock(&local->key_mtx); - for (i = 0; i < NUM_DEFAULT_KEYS; i++) + for (i = 0; i < NUM_DEFAULT_KEYS; i++) { __ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i])); - if (sta->ptk) + have_key = true; + } + if (sta->ptk) { __ieee80211_key_free(key_mtx_dereference(local, sta->ptk)); + have_key = true; + } mutex_unlock(&local->key_mtx); + if (!have_key) + synchronize_net(); + sta->dead = true; local->num_sta--; diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index 6bcce401fd1..fedee394366 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -568,6 +568,7 @@ static int __init nf_conntrack_standalone_init(void) register_net_sysctl(&init_net, "net", nf_ct_netfilter_table); if (!nf_ct_netfilter_header) { pr_err("nf_conntrack: can't register to sysctl.\n"); + ret = -ENOMEM; goto out_sysctl; } #endif diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c index 589d686f0b4..dc3fd5d4446 100644 --- a/net/netfilter/nfnetlink_acct.c +++ b/net/netfilter/nfnetlink_acct.c @@ -49,6 +49,8 @@ nfnl_acct_new(struct sock *nfnl, struct sk_buff *skb, return -EINVAL; acct_name = nla_data(tb[NFACCT_NAME]); + if (strlen(acct_name) == 0) + return -EINVAL; list_for_each_entry(nfacct, &nfnl_acct_list, head) { if (strncmp(nfacct->name, acct_name, NFACCT_NAME_MAX) != 0) diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c index 1cb48540f86..42680b2baa1 100644 --- a/net/netfilter/nfnetlink_queue_core.c +++ b/net/netfilter/nfnetlink_queue_core.c @@ -1062,8 +1062,10 @@ static int __init nfnetlink_queue_init(void) #ifdef CONFIG_PROC_FS if (!proc_create("nfnetlink_queue", 0440, - proc_net_netfilter, &nfqnl_file_ops)) + proc_net_netfilter, &nfqnl_file_ops)) { + status = -ENOMEM; goto cleanup_subsys; + } #endif register_netdevice_notifier(&nfqnl_dev_notifier); diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index d1fa1d9ffd2..103bd704b5f 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -1173,6 +1173,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock, } if (sax != NULL) { + memset(sax, 0, sizeof(*sax)); sax->sax25_family = AF_NETROM; skb_copy_from_linear_data_offset(skb, 7, sax->sax25_call.ax25_call, AX25_ADDR_LEN); diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index b530afadd76..ee25f25f0cd 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -107,8 +107,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen, accept_sk->sk_state_change(sk); bh_unlock_sock(accept_sk); - - sock_orphan(accept_sk); } if (listen == true) { @@ -134,8 +132,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen, bh_unlock_sock(sk); - sock_orphan(sk); - sk_del_node_init(sk); } @@ -164,8 +160,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen, bh_unlock_sock(sk); - sock_orphan(sk); - sk_del_node_init(sk); } @@ -827,7 +821,6 @@ static void nfc_llcp_recv_ui(struct nfc_llcp_local *local, skb_get(skb); } else { pr_err("Receive queue is full\n"); - kfree_skb(skb); } nfc_llcp_sock_put(llcp_sock); @@ -1028,7 +1021,6 @@ static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local, skb_get(skb); } else { pr_err("Receive queue is full\n"); - kfree_skb(skb); } } diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 5c7cdf3f2a8..6c94447ec41 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -270,7 +270,9 @@ struct sock *nfc_llcp_accept_dequeue(struct sock *parent, } if (sk->sk_state == LLCP_CONNECTED || !newsock) { - nfc_llcp_accept_unlink(sk); + list_del_init(&lsk->accept_queue); + sock_put(sk); + if (newsock) sock_graft(sk, newsock); @@ -464,8 +466,6 @@ static int llcp_sock_release(struct socket *sock) nfc_llcp_accept_unlink(accept_sk); release_sock(accept_sk); - - sock_orphan(accept_sk); } } @@ -646,6 +646,8 @@ static int llcp_sock_recvmsg(struct kiocb *iocb, struct socket *sock, pr_debug("%p %zu\n", sk, len); + msg->msg_namelen = 0; + lock_sock(sk); if (sk->sk_state == LLCP_CLOSED && @@ -691,6 +693,7 @@ static int llcp_sock_recvmsg(struct kiocb *iocb, struct socket *sock, pr_debug("Datagram socket %d %d\n", ui_cb->dsap, ui_cb->ssap); + memset(sockaddr, 0, sizeof(*sockaddr)); sockaddr->sa_family = AF_NFC; sockaddr->nfc_protocol = NFC_PROTO_NFC_DEP; sockaddr->dsap = ui_cb->dsap; diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index cf68e6e4054..9c834745159 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -1253,6 +1253,7 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock, skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied); if (srose != NULL) { + memset(srose, 0, msg->msg_namelen); srose->srose_family = AF_ROSE; srose->srose_addr = rose->dest_addr; srose->srose_call = rose->dest_call; diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 13aa47aa2ff..1bc210ffcba 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -962,8 +962,11 @@ cbq_dequeue(struct Qdisc *sch) cbq_update(q); if ((incr -= incr2) < 0) incr = 0; + q->now += incr; + } else { + if (now > q->now) + q->now = now; } - q->now += incr; q->now_rt = now; for (;;) { diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index 4e606fcb253..55786283a3d 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -195,7 +195,7 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch) flow->deficit = q->quantum; flow->dropped = 0; } - if (++sch->q.qlen < sch->limit) + if (++sch->q.qlen <= sch->limit) return NET_XMIT_SUCCESS; q->drop_overlimit++; diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index ffad48109a2..eac7e0ee23c 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -904,7 +904,7 @@ void psched_ratecfg_precompute(struct psched_ratecfg *r, u32 rate) u64 mult; int shift; - r->rate_bps = rate << 3; + r->rate_bps = (u64)rate << 3; r->shift = 0; r->mult = 1; /* diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index dcc446e7fbf..d5f35f15af9 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -304,10 +304,8 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru err = rpciod_up(); if (err) goto out_no_rpciod; - err = -EINVAL; - if (!xprt) - goto out_no_xprt; + err = -EINVAL; if (args->version >= program->nrvers) goto out_err; version = program->version[args->version]; @@ -382,10 +380,9 @@ out_no_principal: out_no_stats: kfree(clnt); out_err: - xprt_put(xprt); -out_no_xprt: rpciod_down(); out_no_rpciod: + xprt_put(xprt); return ERR_PTR(err); } @@ -512,7 +509,7 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args, new = rpc_new_client(args, xprt); if (IS_ERR(new)) { err = PTR_ERR(new); - goto out_put; + goto out_err; } atomic_inc(&clnt->cl_count); @@ -525,8 +522,6 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args, new->cl_chatty = clnt->cl_chatty; return new; -out_put: - xprt_put(xprt); out_err: dprintk("RPC: %s: returned error %d\n", __func__, err); return ERR_PTR(err); diff --git a/net/tipc/socket.c b/net/tipc/socket.c index a9622b6cd91..515ce38e4f4 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -790,6 +790,7 @@ static void set_orig_addr(struct msghdr *m, struct tipc_msg *msg) if (addr) { addr->family = AF_TIPC; addr->addrtype = TIPC_ADDR_ID; + memset(&addr->addr, 0, sizeof(addr->addr)); addr->addr.id.ref = msg_origport(msg); addr->addr.id.node = msg_orignode(msg); addr->addr.name.domain = 0; /* could leave uninitialized */ @@ -904,6 +905,9 @@ static int recv_msg(struct kiocb *iocb, struct socket *sock, goto exit; } + /* will be updated in set_orig_addr() if needed */ + m->msg_namelen = 0; + timeout = sock_rcvtimeo(sk, flags & MSG_DONTWAIT); restart: @@ -1013,6 +1017,9 @@ static int recv_stream(struct kiocb *iocb, struct socket *sock, goto exit; } + /* will be updated in set_orig_addr() if needed */ + m->msg_namelen = 0; + target = sock_rcvlowat(sk, flags & MSG_WAITALL, buf_len); timeout = sock_rcvtimeo(sk, flags & MSG_DONTWAIT); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 971282b6f6a..2db702d82e7 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1412,8 +1412,8 @@ static void maybe_add_creds(struct sk_buff *skb, const struct socket *sock, if (UNIXCB(skb).cred) return; if (test_bit(SOCK_PASSCRED, &sock->flags) || - (other->sk_socket && - test_bit(SOCK_PASSCRED, &other->sk_socket->flags))) { + !other->sk_socket || + test_bit(SOCK_PASSCRED, &other->sk_socket->flags)) { UNIXCB(skb).pid = get_pid(task_tgid(current)); UNIXCB(skb).cred = get_current_cred(); } @@ -1993,7 +1993,7 @@ again: if ((UNIXCB(skb).pid != siocb->scm->pid) || (UNIXCB(skb).cred != siocb->scm->cred)) break; - } else { + } else if (test_bit(SOCK_PASSCRED, &sock->flags)) { /* Copy credentials */ scm_set_cred(siocb->scm, UNIXCB(skb).pid, UNIXCB(skb).cred); check_creds = 1; diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index ca511c4f388..7f93e2a42d7 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -207,7 +207,7 @@ static struct sock *__vsock_find_bound_socket(struct sockaddr_vm *addr) struct vsock_sock *vsk; list_for_each_entry(vsk, vsock_bound_sockets(addr), bound_table) - if (vsock_addr_equals_addr_any(addr, &vsk->local_addr)) + if (addr->svm_port == vsk->local_addr.svm_port) return sk_vsock(vsk); return NULL; @@ -220,8 +220,8 @@ static struct sock *__vsock_find_connected_socket(struct sockaddr_vm *src, list_for_each_entry(vsk, vsock_connected_sockets(src, dst), connected_table) { - if (vsock_addr_equals_addr(src, &vsk->remote_addr) - && vsock_addr_equals_addr(dst, &vsk->local_addr)) { + if (vsock_addr_equals_addr(src, &vsk->remote_addr) && + dst->svm_port == vsk->local_addr.svm_port) { return sk_vsock(vsk); } } @@ -1670,6 +1670,8 @@ vsock_stream_recvmsg(struct kiocb *kiocb, vsk = vsock_sk(sk); err = 0; + msg->msg_namelen = 0; + lock_sock(sk); if (sk->sk_state != SS_CONNECTED) { diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index a70ace83a15..5e04d3d9628 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -464,19 +464,16 @@ static struct sock *vmci_transport_get_pending( struct vsock_sock *vlistener; struct vsock_sock *vpending; struct sock *pending; + struct sockaddr_vm src; + + vsock_addr_init(&src, pkt->dg.src.context, pkt->src_port); vlistener = vsock_sk(listener); list_for_each_entry(vpending, &vlistener->pending_links, pending_links) { - struct sockaddr_vm src; - struct sockaddr_vm dst; - - vsock_addr_init(&src, pkt->dg.src.context, pkt->src_port); - vsock_addr_init(&dst, pkt->dg.dst.context, pkt->dst_port); - if (vsock_addr_equals_addr(&src, &vpending->remote_addr) && - vsock_addr_equals_addr(&dst, &vpending->local_addr)) { + pkt->dst_port == vpending->local_addr.svm_port) { pending = sk_vsock(vpending); sock_hold(pending); goto found; @@ -739,10 +736,15 @@ static int vmci_transport_recv_stream_cb(void *data, struct vmci_datagram *dg) */ bh_lock_sock(sk); - if (!sock_owned_by_user(sk) && sk->sk_state == SS_CONNECTED) - vmci_trans(vsk)->notify_ops->handle_notify_pkt( - sk, pkt, true, &dst, &src, - &bh_process_pkt); + if (!sock_owned_by_user(sk)) { + /* The local context ID may be out of date, update it. */ + vsk->local_addr.svm_cid = dst.svm_cid; + + if (sk->sk_state == SS_CONNECTED) + vmci_trans(vsk)->notify_ops->handle_notify_pkt( + sk, pkt, true, &dst, &src, + &bh_process_pkt); + } bh_unlock_sock(sk); @@ -902,6 +904,9 @@ static void vmci_transport_recv_pkt_work(struct work_struct *work) lock_sock(sk); + /* The local context ID may be out of date. */ + vsock_sk(sk)->local_addr.svm_cid = pkt->dg.dst.context; + switch (sk->sk_state) { case SS_LISTEN: vmci_transport_recv_listen(sk, pkt); @@ -958,6 +963,10 @@ static int vmci_transport_recv_listen(struct sock *sk, pending = vmci_transport_get_pending(sk, pkt); if (pending) { lock_sock(pending); + + /* The local context ID may be out of date. */ + vsock_sk(pending)->local_addr.svm_cid = pkt->dg.dst.context; + switch (pending->sk_state) { case SS_CONNECTING: err = vmci_transport_recv_connecting_server(sk, @@ -1727,6 +1736,8 @@ static int vmci_transport_dgram_dequeue(struct kiocb *kiocb, if (flags & MSG_OOB || flags & MSG_ERRQUEUE) return -EOPNOTSUPP; + msg->msg_namelen = 0; + /* Retrieve the head sk_buff from the socket's receive queue. */ err = 0; skb = skb_recv_datagram(&vsk->sk, flags, noblock, &err); @@ -1759,7 +1770,6 @@ static int vmci_transport_dgram_dequeue(struct kiocb *kiocb, if (err) goto out; - msg->msg_namelen = 0; if (msg->msg_name) { struct sockaddr_vm *vm_addr; diff --git a/net/vmw_vsock/vsock_addr.c b/net/vmw_vsock/vsock_addr.c index b7df1aea7c5..ec2611b4ea0 100644 --- a/net/vmw_vsock/vsock_addr.c +++ b/net/vmw_vsock/vsock_addr.c @@ -64,16 +64,6 @@ bool vsock_addr_equals_addr(const struct sockaddr_vm *addr, } EXPORT_SYMBOL_GPL(vsock_addr_equals_addr); -bool vsock_addr_equals_addr_any(const struct sockaddr_vm *addr, - const struct sockaddr_vm *other) -{ - return (addr->svm_cid == VMADDR_CID_ANY || - other->svm_cid == VMADDR_CID_ANY || - addr->svm_cid == other->svm_cid) && - addr->svm_port == other->svm_port; -} -EXPORT_SYMBOL_GPL(vsock_addr_equals_addr_any); - int vsock_addr_cast(const struct sockaddr *addr, size_t len, struct sockaddr_vm **out_addr) { diff --git a/net/vmw_vsock/vsock_addr.h b/net/vmw_vsock/vsock_addr.h index cdfbcefdf84..9ccd5316eac 100644 --- a/net/vmw_vsock/vsock_addr.h +++ b/net/vmw_vsock/vsock_addr.h @@ -24,8 +24,6 @@ bool vsock_addr_bound(const struct sockaddr_vm *addr); void vsock_addr_unbind(struct sockaddr_vm *addr); bool vsock_addr_equals_addr(const struct sockaddr_vm *addr, const struct sockaddr_vm *other); -bool vsock_addr_equals_addr_any(const struct sockaddr_vm *addr, - const struct sockaddr_vm *other); int vsock_addr_cast(const struct sockaddr *addr, size_t len, struct sockaddr_vm **out_addr); diff --git a/net/wireless/core.c b/net/wireless/core.c index ea4155fe973..6ddf74f0ae1 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -212,6 +212,39 @@ static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data) rdev_rfkill_poll(rdev); } +void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev) +{ + lockdep_assert_held(&rdev->devlist_mtx); + lockdep_assert_held(&rdev->sched_scan_mtx); + + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)) + return; + + if (!wdev->p2p_started) + return; + + rdev_stop_p2p_device(rdev, wdev); + wdev->p2p_started = false; + + rdev->opencount--; + + if (rdev->scan_req && rdev->scan_req->wdev == wdev) { + bool busy = work_busy(&rdev->scan_done_wk); + + /* + * If the work isn't pending or running (in which case it would + * be waiting for the lock we hold) the driver didn't properly + * cancel the scan when the interface was removed. In this case + * warn and leak the scan request object to not crash later. + */ + WARN_ON(!busy); + + rdev->scan_req->aborted = true; + ___cfg80211_scan_done(rdev, !busy); + } +} + static int cfg80211_rfkill_set_block(void *data, bool blocked) { struct cfg80211_registered_device *rdev = data; @@ -221,7 +254,8 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked) return 0; rtnl_lock(); - mutex_lock(&rdev->devlist_mtx); + + /* read-only iteration need not hold the devlist_mtx */ list_for_each_entry(wdev, &rdev->wdev_list, list) { if (wdev->netdev) { @@ -231,18 +265,18 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked) /* otherwise, check iftype */ switch (wdev->iftype) { case NL80211_IFTYPE_P2P_DEVICE: - if (!wdev->p2p_started) - break; - rdev_stop_p2p_device(rdev, wdev); - wdev->p2p_started = false; - rdev->opencount--; + /* but this requires it */ + mutex_lock(&rdev->devlist_mtx); + mutex_lock(&rdev->sched_scan_mtx); + cfg80211_stop_p2p_device(rdev, wdev); + mutex_unlock(&rdev->sched_scan_mtx); + mutex_unlock(&rdev->devlist_mtx); break; default: break; } } - mutex_unlock(&rdev->devlist_mtx); rtnl_unlock(); return 0; @@ -745,17 +779,13 @@ static void wdev_cleanup_work(struct work_struct *work) wdev = container_of(work, struct wireless_dev, cleanup_work); rdev = wiphy_to_dev(wdev->wiphy); - cfg80211_lock_rdev(rdev); + mutex_lock(&rdev->sched_scan_mtx); if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) { rdev->scan_req->aborted = true; ___cfg80211_scan_done(rdev, true); } - cfg80211_unlock_rdev(rdev); - - mutex_lock(&rdev->sched_scan_mtx); - if (WARN_ON(rdev->sched_scan_req && rdev->sched_scan_req->dev == wdev->netdev)) { __cfg80211_stop_sched_scan(rdev, false); @@ -781,21 +811,19 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev) return; mutex_lock(&rdev->devlist_mtx); + mutex_lock(&rdev->sched_scan_mtx); list_del_rcu(&wdev->list); rdev->devlist_generation++; switch (wdev->iftype) { case NL80211_IFTYPE_P2P_DEVICE: - if (!wdev->p2p_started) - break; - rdev_stop_p2p_device(rdev, wdev); - wdev->p2p_started = false; - rdev->opencount--; + cfg80211_stop_p2p_device(rdev, wdev); break; default: WARN_ON_ONCE(1); break; } + mutex_unlock(&rdev->sched_scan_mtx); mutex_unlock(&rdev->devlist_mtx); } EXPORT_SYMBOL(cfg80211_unregister_wdev); @@ -936,6 +964,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, cfg80211_update_iface_num(rdev, wdev->iftype, 1); cfg80211_lock_rdev(rdev); mutex_lock(&rdev->devlist_mtx); + mutex_lock(&rdev->sched_scan_mtx); wdev_lock(wdev); switch (wdev->iftype) { #ifdef CONFIG_CFG80211_WEXT @@ -967,6 +996,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, break; } wdev_unlock(wdev); + mutex_unlock(&rdev->sched_scan_mtx); rdev->opencount++; mutex_unlock(&rdev->devlist_mtx); cfg80211_unlock_rdev(rdev); diff --git a/net/wireless/core.h b/net/wireless/core.h index 3aec0e429d8..5845c2b37aa 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -503,6 +503,9 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, enum nl80211_iftype iftype, int num); +void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev); + #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index d44ab216c0e..58e13a8c95f 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4702,14 +4702,19 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->scan) return -EOPNOTSUPP; - if (rdev->scan_req) - return -EBUSY; + mutex_lock(&rdev->sched_scan_mtx); + if (rdev->scan_req) { + err = -EBUSY; + goto unlock; + } if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { n_channels = validate_scan_freqs( info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); - if (!n_channels) - return -EINVAL; + if (!n_channels) { + err = -EINVAL; + goto unlock; + } } else { enum ieee80211_band band; n_channels = 0; @@ -4723,23 +4728,29 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) n_ssids++; - if (n_ssids > wiphy->max_scan_ssids) - return -EINVAL; + if (n_ssids > wiphy->max_scan_ssids) { + err = -EINVAL; + goto unlock; + } if (info->attrs[NL80211_ATTR_IE]) ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); else ie_len = 0; - if (ie_len > wiphy->max_scan_ie_len) - return -EINVAL; + if (ie_len > wiphy->max_scan_ie_len) { + err = -EINVAL; + goto unlock; + } request = kzalloc(sizeof(*request) + sizeof(*request->ssids) * n_ssids + sizeof(*request->channels) * n_channels + ie_len, GFP_KERNEL); - if (!request) - return -ENOMEM; + if (!request) { + err = -ENOMEM; + goto unlock; + } if (n_ssids) request->ssids = (void *)&request->channels[n_channels]; @@ -4876,6 +4887,8 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) kfree(request); } + unlock: + mutex_unlock(&rdev->sched_scan_mtx); return err; } @@ -7749,20 +7762,9 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->stop_p2p_device) return -EOPNOTSUPP; - if (!wdev->p2p_started) - return 0; - - rdev_stop_p2p_device(rdev, wdev); - wdev->p2p_started = false; - - mutex_lock(&rdev->devlist_mtx); - rdev->opencount--; - mutex_unlock(&rdev->devlist_mtx); - - if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) { - rdev->scan_req->aborted = true; - ___cfg80211_scan_done(rdev, true); - } + mutex_lock(&rdev->sched_scan_mtx); + cfg80211_stop_p2p_device(rdev, wdev); + mutex_unlock(&rdev->sched_scan_mtx); return 0; } @@ -8486,7 +8488,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg, struct nlattr *nest; int i; - ASSERT_RDEV_LOCK(rdev); + lockdep_assert_held(&rdev->sched_scan_mtx); if (WARN_ON(!req)) return 0; diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 674aadca007..fd99ea495b7 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -169,7 +169,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak) union iwreq_data wrqu; #endif - ASSERT_RDEV_LOCK(rdev); + lockdep_assert_held(&rdev->sched_scan_mtx); request = rdev->scan_req; @@ -230,9 +230,9 @@ void __cfg80211_scan_done(struct work_struct *wk) rdev = container_of(wk, struct cfg80211_registered_device, scan_done_wk); - cfg80211_lock_rdev(rdev); + mutex_lock(&rdev->sched_scan_mtx); ___cfg80211_scan_done(rdev, false); - cfg80211_unlock_rdev(rdev); + mutex_unlock(&rdev->sched_scan_mtx); } void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) @@ -698,11 +698,6 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, found = rb_find_bss(dev, tmp, BSS_CMP_REGULAR); if (found) { - found->pub.beacon_interval = tmp->pub.beacon_interval; - found->pub.signal = tmp->pub.signal; - found->pub.capability = tmp->pub.capability; - found->ts = tmp->ts; - /* Update IEs */ if (rcu_access_pointer(tmp->pub.proberesp_ies)) { const struct cfg80211_bss_ies *old; @@ -723,6 +718,8 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, if (found->pub.hidden_beacon_bss && !list_empty(&found->hidden_list)) { + const struct cfg80211_bss_ies *f; + /* * The found BSS struct is one of the probe * response members of a group, but we're @@ -732,6 +729,10 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, * SSID to showing it, which is confusing so * drop this information. */ + + f = rcu_access_pointer(tmp->pub.beacon_ies); + kfree_rcu((struct cfg80211_bss_ies *)f, + rcu_head); goto drop; } @@ -761,6 +762,11 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head); } + + found->pub.beacon_interval = tmp->pub.beacon_interval; + found->pub.signal = tmp->pub.signal; + found->pub.capability = tmp->pub.capability; + found->ts = tmp->ts; } else { struct cfg80211_internal_bss *new; struct cfg80211_internal_bss *hidden; @@ -1056,6 +1062,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, if (IS_ERR(rdev)) return PTR_ERR(rdev); + mutex_lock(&rdev->sched_scan_mtx); if (rdev->scan_req) { err = -EBUSY; goto out; @@ -1162,6 +1169,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, dev_hold(dev); } out: + mutex_unlock(&rdev->sched_scan_mtx); kfree(creq); cfg80211_unlock_rdev(rdev); return err; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index f432bd3755b..482c70e7012 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -85,6 +85,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) ASSERT_RTNL(); ASSERT_RDEV_LOCK(rdev); ASSERT_WDEV_LOCK(wdev); + lockdep_assert_held(&rdev->sched_scan_mtx); if (rdev->scan_req) return -EBUSY; @@ -223,6 +224,7 @@ void cfg80211_conn_work(struct work_struct *work) rtnl_lock(); cfg80211_lock_rdev(rdev); mutex_lock(&rdev->devlist_mtx); + mutex_lock(&rdev->sched_scan_mtx); list_for_each_entry(wdev, &rdev->wdev_list, list) { wdev_lock(wdev); @@ -247,6 +249,7 @@ void cfg80211_conn_work(struct work_struct *work) wdev_unlock(wdev); } + mutex_unlock(&rdev->sched_scan_mtx); mutex_unlock(&rdev->devlist_mtx); cfg80211_unlock_rdev(rdev); rtnl_unlock(); @@ -320,11 +323,9 @@ void cfg80211_sme_scan_done(struct net_device *dev) { struct wireless_dev *wdev = dev->ieee80211_ptr; - mutex_lock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx); wdev_lock(wdev); __cfg80211_sme_scan_done(dev); wdev_unlock(wdev); - mutex_unlock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx); } void cfg80211_sme_rx_auth(struct net_device *dev, @@ -924,9 +925,12 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev, int err; mutex_lock(&rdev->devlist_mtx); + /* might request scan - scan_mtx -> wdev_mtx dependency */ + mutex_lock(&rdev->sched_scan_mtx); wdev_lock(dev->ieee80211_ptr); err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL); wdev_unlock(dev->ieee80211_ptr); + mutex_unlock(&rdev->sched_scan_mtx); mutex_unlock(&rdev->devlist_mtx); return err; diff --git a/net/wireless/trace.h b/net/wireless/trace.h index b7a531380e1..7586de77a2f 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -27,7 +27,8 @@ #define WIPHY_PR_ARG __entry->wiphy_name #define WDEV_ENTRY __field(u32, id) -#define WDEV_ASSIGN (__entry->id) = (wdev ? wdev->identifier : 0) +#define WDEV_ASSIGN (__entry->id) = (!IS_ERR_OR_NULL(wdev) \ + ? wdev->identifier : 0) #define WDEV_PR_FMT "wdev(%u)" #define WDEV_PR_ARG (__entry->id) @@ -1778,7 +1779,7 @@ TRACE_EVENT(rdev_set_mac_acl, ), TP_fast_assign( WIPHY_ASSIGN; - WIPHY_ASSIGN; + NETDEV_ASSIGN; __entry->acl_policy = params->acl_policy; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", acl policy: %d", diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index fb9622f6d99..e79cb5c0655 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -89,6 +89,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev, cfg80211_lock_rdev(rdev); mutex_lock(&rdev->devlist_mtx); + mutex_lock(&rdev->sched_scan_mtx); wdev_lock(wdev); if (wdev->sme_state != CFG80211_SME_IDLE) { @@ -135,6 +136,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev, err = cfg80211_mgd_wext_connect(rdev, wdev); out: wdev_unlock(wdev); + mutex_unlock(&rdev->sched_scan_mtx); mutex_unlock(&rdev->devlist_mtx); cfg80211_unlock_rdev(rdev); return err; @@ -190,6 +192,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev, cfg80211_lock_rdev(rdev); mutex_lock(&rdev->devlist_mtx); + mutex_lock(&rdev->sched_scan_mtx); wdev_lock(wdev); err = 0; @@ -223,6 +226,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev, err = cfg80211_mgd_wext_connect(rdev, wdev); out: wdev_unlock(wdev); + mutex_unlock(&rdev->sched_scan_mtx); mutex_unlock(&rdev->devlist_mtx); cfg80211_unlock_rdev(rdev); return err; @@ -285,6 +289,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev, cfg80211_lock_rdev(rdev); mutex_lock(&rdev->devlist_mtx); + mutex_lock(&rdev->sched_scan_mtx); wdev_lock(wdev); if (wdev->sme_state != CFG80211_SME_IDLE) { @@ -313,6 +318,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev, err = cfg80211_mgd_wext_connect(rdev, wdev); out: wdev_unlock(wdev); + mutex_unlock(&rdev->sched_scan_mtx); mutex_unlock(&rdev->devlist_mtx); cfg80211_unlock_rdev(rdev); return err; diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c index 35754cc8a9e..8dafe6d3c6e 100644 --- a/net/xfrm/xfrm_replay.c +++ b/net/xfrm/xfrm_replay.c @@ -334,6 +334,70 @@ static void xfrm_replay_notify_bmp(struct xfrm_state *x, int event) x->xflags &= ~XFRM_TIME_DEFER; } +static void xfrm_replay_notify_esn(struct xfrm_state *x, int event) +{ + u32 seq_diff, oseq_diff; + struct km_event c; + struct xfrm_replay_state_esn *replay_esn = x->replay_esn; + struct xfrm_replay_state_esn *preplay_esn = x->preplay_esn; + + /* we send notify messages in case + * 1. we updated on of the sequence numbers, and the seqno difference + * is at least x->replay_maxdiff, in this case we also update the + * timeout of our timer function + * 2. if x->replay_maxage has elapsed since last update, + * and there were changes + * + * The state structure must be locked! + */ + + switch (event) { + case XFRM_REPLAY_UPDATE: + if (!x->replay_maxdiff) + break; + + if (replay_esn->seq_hi == preplay_esn->seq_hi) + seq_diff = replay_esn->seq - preplay_esn->seq; + else + seq_diff = ~preplay_esn->seq + replay_esn->seq + 1; + + if (replay_esn->oseq_hi == preplay_esn->oseq_hi) + oseq_diff = replay_esn->oseq - preplay_esn->oseq; + else + oseq_diff = ~preplay_esn->oseq + replay_esn->oseq + 1; + + if (seq_diff < x->replay_maxdiff && + oseq_diff < x->replay_maxdiff) { + + if (x->xflags & XFRM_TIME_DEFER) + event = XFRM_REPLAY_TIMEOUT; + else + return; + } + + break; + + case XFRM_REPLAY_TIMEOUT: + if (memcmp(x->replay_esn, x->preplay_esn, + xfrm_replay_state_esn_len(replay_esn)) == 0) { + x->xflags |= XFRM_TIME_DEFER; + return; + } + + break; + } + + memcpy(x->preplay_esn, x->replay_esn, + xfrm_replay_state_esn_len(replay_esn)); + c.event = XFRM_MSG_NEWAE; + c.data.aevent = event; + km_state_notify(x, &c); + + if (x->replay_maxage && + !mod_timer(&x->rtimer, jiffies + x->replay_maxage)) + x->xflags &= ~XFRM_TIME_DEFER; +} + static int xfrm_replay_overflow_esn(struct xfrm_state *x, struct sk_buff *skb) { int err = 0; @@ -510,7 +574,7 @@ static struct xfrm_replay xfrm_replay_esn = { .advance = xfrm_replay_advance_esn, .check = xfrm_replay_check_esn, .recheck = xfrm_replay_recheck_esn, - .notify = xfrm_replay_notify_bmp, + .notify = xfrm_replay_notify_esn, .overflow = xfrm_replay_overflow_esn, }; |