diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/bridge/br_private.h | 3 | ||||
-rw-r--r-- | net/bridge/br_vlan.c | 16 | ||||
-rw-r--r-- | net/ceph/auth_x.c | 256 | ||||
-rw-r--r-- | net/ceph/mon_client.c | 8 | ||||
-rw-r--r-- | net/core/datagram.c | 2 | ||||
-rw-r--r-- | net/core/dev.c | 18 | ||||
-rw-r--r-- | net/core/gen_estimator.c | 2 | ||||
-rw-r--r-- | net/core/gen_stats.c | 2 | ||||
-rw-r--r-- | net/core/skbuff.c | 4 | ||||
-rw-r--r-- | net/core/sock.c | 6 | ||||
-rw-r--r-- | net/ipv4/ip_tunnel.c | 17 | ||||
-rw-r--r-- | net/ipv4/route.c | 6 | ||||
-rw-r--r-- | net/ipv6/addrconf.c | 37 | ||||
-rw-r--r-- | net/ipv6/anycast.c | 31 | ||||
-rw-r--r-- | net/ipv6/ip6_output.c | 4 | ||||
-rw-r--r-- | net/ipv6/mcast.c | 14 | ||||
-rw-r--r-- | net/l2tp/l2tp_ppp.c | 3 | ||||
-rw-r--r-- | net/mac80211/chan.c | 2 | ||||
-rw-r--r-- | net/mac80211/debugfs_sta.c | 2 | ||||
-rw-r--r-- | net/mac80211/iface.c | 4 | ||||
-rw-r--r-- | net/mac80211/mesh_plink.c | 7 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 3 | ||||
-rw-r--r-- | net/mac80211/sta_info.c | 9 | ||||
-rw-r--r-- | net/netfilter/Kconfig | 8 | ||||
-rw-r--r-- | net/openvswitch/datapath.c | 16 | ||||
-rw-r--r-- | net/rfkill/rfkill-gpio.c | 3 | ||||
-rw-r--r-- | net/rxrpc/ar-key.c | 2 | ||||
-rw-r--r-- | net/sched/sch_choke.c | 18 | ||||
-rw-r--r-- | net/socket.c | 8 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 6 | ||||
-rw-r--r-- | net/xfrm/xfrm_policy.c | 48 |
31 files changed, 360 insertions, 205 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 62a7fa2e3569..b6c04cbcfdc5 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -309,6 +309,9 @@ struct br_input_skb_cb { int igmp; int mrouters_only; #endif +#ifdef CONFIG_BRIDGE_VLAN_FILTERING + bool vlan_filtered; +#endif }; #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index e1bcd653899b..3ba57fcdcd13 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -27,9 +27,13 @@ static void __vlan_add_flags(struct net_port_vlans *v, u16 vid, u16 flags) { if (flags & BRIDGE_VLAN_INFO_PVID) __vlan_add_pvid(v, vid); + else + __vlan_delete_pvid(v, vid); if (flags & BRIDGE_VLAN_INFO_UNTAGGED) set_bit(vid, v->untagged_bitmap); + else + clear_bit(vid, v->untagged_bitmap); } static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags) @@ -125,7 +129,8 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br, { u16 vid; - if (!br->vlan_enabled) + /* If this packet was not filtered at input, let it pass */ + if (!BR_INPUT_SKB_CB(skb)->vlan_filtered) goto out; /* Vlan filter table must be configured at this point. The @@ -164,8 +169,10 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, /* If VLAN filtering is disabled on the bridge, all packets are * permitted. */ - if (!br->vlan_enabled) + if (!br->vlan_enabled) { + BR_INPUT_SKB_CB(skb)->vlan_filtered = false; return true; + } /* If there are no vlan in the permitted list, all packets are * rejected. @@ -173,6 +180,7 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, if (!v) goto drop; + BR_INPUT_SKB_CB(skb)->vlan_filtered = true; proto = br->vlan_proto; /* If vlan tx offload is disabled on bridge device and frame was @@ -251,7 +259,8 @@ bool br_allowed_egress(struct net_bridge *br, { u16 vid; - if (!br->vlan_enabled) + /* If this packet was not filtered at input, let it pass */ + if (!BR_INPUT_SKB_CB(skb)->vlan_filtered) return true; if (!v) @@ -270,6 +279,7 @@ bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid) struct net_bridge *br = p->br; struct net_port_vlans *v; + /* If filtering was disabled at input, let it pass. */ if (!br->vlan_enabled) return true; diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c index 96238ba95f2b..de6662b14e1f 100644 --- a/net/ceph/auth_x.c +++ b/net/ceph/auth_x.c @@ -13,8 +13,6 @@ #include "auth_x.h" #include "auth_x_protocol.h" -#define TEMP_TICKET_BUF_LEN 256 - static void ceph_x_validate_tickets(struct ceph_auth_client *ac, int *pneed); static int ceph_x_is_authenticated(struct ceph_auth_client *ac) @@ -64,7 +62,7 @@ static int ceph_x_encrypt(struct ceph_crypto_key *secret, } static int ceph_x_decrypt(struct ceph_crypto_key *secret, - void **p, void *end, void *obuf, size_t olen) + void **p, void *end, void **obuf, size_t olen) { struct ceph_x_encrypt_header head; size_t head_len = sizeof(head); @@ -75,8 +73,14 @@ static int ceph_x_decrypt(struct ceph_crypto_key *secret, return -EINVAL; dout("ceph_x_decrypt len %d\n", len); - ret = ceph_decrypt2(secret, &head, &head_len, obuf, &olen, - *p, len); + if (*obuf == NULL) { + *obuf = kmalloc(len, GFP_NOFS); + if (!*obuf) + return -ENOMEM; + olen = len; + } + + ret = ceph_decrypt2(secret, &head, &head_len, *obuf, &olen, *p, len); if (ret) return ret; if (head.struct_v != 1 || le64_to_cpu(head.magic) != CEPHX_ENC_MAGIC) @@ -129,139 +133,120 @@ static void remove_ticket_handler(struct ceph_auth_client *ac, kfree(th); } -static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac, - struct ceph_crypto_key *secret, - void *buf, void *end) +static int process_one_ticket(struct ceph_auth_client *ac, + struct ceph_crypto_key *secret, + void **p, void *end) { struct ceph_x_info *xi = ac->private; - int num; - void *p = buf; + int type; + u8 tkt_struct_v, blob_struct_v; + struct ceph_x_ticket_handler *th; + void *dbuf = NULL; + void *dp, *dend; + int dlen; + char is_enc; + struct timespec validity; + struct ceph_crypto_key old_key; + void *ticket_buf = NULL; + void *tp, *tpend; + struct ceph_timespec new_validity; + struct ceph_crypto_key new_session_key; + struct ceph_buffer *new_ticket_blob; + unsigned long new_expires, new_renew_after; + u64 new_secret_id; int ret; - char *dbuf; - char *ticket_buf; - u8 reply_struct_v; - dbuf = kmalloc(TEMP_TICKET_BUF_LEN, GFP_NOFS); - if (!dbuf) - return -ENOMEM; + ceph_decode_need(p, end, sizeof(u32) + 1, bad); - ret = -ENOMEM; - ticket_buf = kmalloc(TEMP_TICKET_BUF_LEN, GFP_NOFS); - if (!ticket_buf) - goto out_dbuf; + type = ceph_decode_32(p); + dout(" ticket type %d %s\n", type, ceph_entity_type_name(type)); - ceph_decode_need(&p, end, 1 + sizeof(u32), bad); - reply_struct_v = ceph_decode_8(&p); - if (reply_struct_v != 1) + tkt_struct_v = ceph_decode_8(p); + if (tkt_struct_v != 1) goto bad; - num = ceph_decode_32(&p); - dout("%d tickets\n", num); - while (num--) { - int type; - u8 tkt_struct_v, blob_struct_v; - struct ceph_x_ticket_handler *th; - void *dp, *dend; - int dlen; - char is_enc; - struct timespec validity; - struct ceph_crypto_key old_key; - void *tp, *tpend; - struct ceph_timespec new_validity; - struct ceph_crypto_key new_session_key; - struct ceph_buffer *new_ticket_blob; - unsigned long new_expires, new_renew_after; - u64 new_secret_id; - - ceph_decode_need(&p, end, sizeof(u32) + 1, bad); - - type = ceph_decode_32(&p); - dout(" ticket type %d %s\n", type, ceph_entity_type_name(type)); - - tkt_struct_v = ceph_decode_8(&p); - if (tkt_struct_v != 1) - goto bad; - - th = get_ticket_handler(ac, type); - if (IS_ERR(th)) { - ret = PTR_ERR(th); - goto out; - } - /* blob for me */ - dlen = ceph_x_decrypt(secret, &p, end, dbuf, - TEMP_TICKET_BUF_LEN); - if (dlen <= 0) { - ret = dlen; - goto out; - } - dout(" decrypted %d bytes\n", dlen); - dend = dbuf + dlen; - dp = dbuf; + th = get_ticket_handler(ac, type); + if (IS_ERR(th)) { + ret = PTR_ERR(th); + goto out; + } - tkt_struct_v = ceph_decode_8(&dp); - if (tkt_struct_v != 1) - goto bad; + /* blob for me */ + dlen = ceph_x_decrypt(secret, p, end, &dbuf, 0); + if (dlen <= 0) { + ret = dlen; + goto out; + } + dout(" decrypted %d bytes\n", dlen); + dp = dbuf; + dend = dp + dlen; - memcpy(&old_key, &th->session_key, sizeof(old_key)); - ret = ceph_crypto_key_decode(&new_session_key, &dp, dend); - if (ret) - goto out; + tkt_struct_v = ceph_decode_8(&dp); + if (tkt_struct_v != 1) + goto bad; - ceph_decode_copy(&dp, &new_validity, sizeof(new_validity)); - ceph_decode_timespec(&validity, &new_validity); - new_expires = get_seconds() + validity.tv_sec; - new_renew_after = new_expires - (validity.tv_sec / 4); - dout(" expires=%lu renew_after=%lu\n", new_expires, - new_renew_after); + memcpy(&old_key, &th->session_key, sizeof(old_key)); + ret = ceph_crypto_key_decode(&new_session_key, &dp, dend); + if (ret) + goto out; - /* ticket blob for service */ - ceph_decode_8_safe(&p, end, is_enc, bad); - tp = ticket_buf; - if (is_enc) { - /* encrypted */ - dout(" encrypted ticket\n"); - dlen = ceph_x_decrypt(&old_key, &p, end, ticket_buf, - TEMP_TICKET_BUF_LEN); - if (dlen < 0) { - ret = dlen; - goto out; - } - dlen = ceph_decode_32(&tp); - } else { - /* unencrypted */ - ceph_decode_32_safe(&p, end, dlen, bad); - ceph_decode_need(&p, end, dlen, bad); - ceph_decode_copy(&p, ticket_buf, dlen); + ceph_decode_copy(&dp, &new_validity, sizeof(new_validity)); + ceph_decode_timespec(&validity, &new_validity); + new_expires = get_seconds() + validity.tv_sec; + new_renew_after = new_expires - (validity.tv_sec / 4); + dout(" expires=%lu renew_after=%lu\n", new_expires, + new_renew_after); + + /* ticket blob for service */ + ceph_decode_8_safe(p, end, is_enc, bad); + if (is_enc) { + /* encrypted */ + dout(" encrypted ticket\n"); + dlen = ceph_x_decrypt(&old_key, p, end, &ticket_buf, 0); + if (dlen < 0) { + ret = dlen; + goto out; } - tpend = tp + dlen; - dout(" ticket blob is %d bytes\n", dlen); - ceph_decode_need(&tp, tpend, 1 + sizeof(u64), bad); - blob_struct_v = ceph_decode_8(&tp); - new_secret_id = ceph_decode_64(&tp); - ret = ceph_decode_buffer(&new_ticket_blob, &tp, tpend); - if (ret) + tp = ticket_buf; + dlen = ceph_decode_32(&tp); + } else { + /* unencrypted */ + ceph_decode_32_safe(p, end, dlen, bad); + ticket_buf = kmalloc(dlen, GFP_NOFS); + if (!ticket_buf) { + ret = -ENOMEM; goto out; - - /* all is well, update our ticket */ - ceph_crypto_key_destroy(&th->session_key); - if (th->ticket_blob) - ceph_buffer_put(th->ticket_blob); - th->session_key = new_session_key; - th->ticket_blob = new_ticket_blob; - th->validity = new_validity; - th->secret_id = new_secret_id; - th->expires = new_expires; - th->renew_after = new_renew_after; - dout(" got ticket service %d (%s) secret_id %lld len %d\n", - type, ceph_entity_type_name(type), th->secret_id, - (int)th->ticket_blob->vec.iov_len); - xi->have_keys |= th->service; + } + tp = ticket_buf; + ceph_decode_need(p, end, dlen, bad); + ceph_decode_copy(p, ticket_buf, dlen); } + tpend = tp + dlen; + dout(" ticket blob is %d bytes\n", dlen); + ceph_decode_need(&tp, tpend, 1 + sizeof(u64), bad); + blob_struct_v = ceph_decode_8(&tp); + new_secret_id = ceph_decode_64(&tp); + ret = ceph_decode_buffer(&new_ticket_blob, &tp, tpend); + if (ret) + goto out; + + /* all is well, update our ticket */ + ceph_crypto_key_destroy(&th->session_key); + if (th->ticket_blob) + ceph_buffer_put(th->ticket_blob); + th->session_key = new_session_key; + th->ticket_blob = new_ticket_blob; + th->validity = new_validity; + th->secret_id = new_secret_id; + th->expires = new_expires; + th->renew_after = new_renew_after; + dout(" got ticket service %d (%s) secret_id %lld len %d\n", + type, ceph_entity_type_name(type), th->secret_id, + (int)th->ticket_blob->vec.iov_len); + xi->have_keys |= th->service; - ret = 0; out: kfree(ticket_buf); -out_dbuf: kfree(dbuf); return ret; @@ -270,6 +255,34 @@ bad: goto out; } +static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac, + struct ceph_crypto_key *secret, + void *buf, void *end) +{ + void *p = buf; + u8 reply_struct_v; + u32 num; + int ret; + + ceph_decode_8_safe(&p, end, reply_struct_v, bad); + if (reply_struct_v != 1) + return -EINVAL; + + ceph_decode_32_safe(&p, end, num, bad); + dout("%d tickets\n", num); + + while (num--) { + ret = process_one_ticket(ac, secret, &p, end); + if (ret) + return ret; + } + + return 0; + +bad: + return -EINVAL; +} + static int ceph_x_build_authorizer(struct ceph_auth_client *ac, struct ceph_x_ticket_handler *th, struct ceph_x_authorizer *au) @@ -583,13 +596,14 @@ static int ceph_x_verify_authorizer_reply(struct ceph_auth_client *ac, struct ceph_x_ticket_handler *th; int ret = 0; struct ceph_x_authorize_reply reply; + void *preply = &reply; void *p = au->reply_buf; void *end = p + sizeof(au->reply_buf); th = get_ticket_handler(ac, au->service); if (IS_ERR(th)) return PTR_ERR(th); - ret = ceph_x_decrypt(&th->session_key, &p, end, &reply, sizeof(reply)); + ret = ceph_x_decrypt(&th->session_key, &p, end, &preply, sizeof(reply)); if (ret < 0) return ret; if (ret != sizeof(reply)) diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 067d3af2eaf6..61fcfc304f68 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -1181,7 +1181,15 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con, if (!m) { pr_info("alloc_msg unknown type %d\n", type); *skip = 1; + } else if (front_len > m->front_alloc_len) { + pr_warning("mon_alloc_msg front %d > prealloc %d (%u#%llu)\n", + front_len, m->front_alloc_len, + (unsigned int)con->peer_name.type, + le64_to_cpu(con->peer_name.num)); + ceph_msg_put(m); + m = ceph_msg_new(type, front_len, GFP_NOFS, false); } + return m; } diff --git a/net/core/datagram.c b/net/core/datagram.c index 488dd1a825c0..fdbc9a81d4c2 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -775,7 +775,7 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb) EXPORT_SYMBOL(__skb_checksum_complete); /** - * skb_copy_and_csum_datagram_iovec - Copy and checkum skb to user iovec. + * skb_copy_and_csum_datagram_iovec - Copy and checksum skb to user iovec. * @skb: skbuff * @hlen: hardware length * @iov: io vector diff --git a/net/core/dev.c b/net/core/dev.c index ab9a16530c36..cf8a95f48cff 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4809,9 +4809,14 @@ static void netdev_adjacent_sysfs_del(struct net_device *dev, sysfs_remove_link(&(dev->dev.kobj), linkname); } -#define netdev_adjacent_is_neigh_list(dev, dev_list) \ - (dev_list == &dev->adj_list.upper || \ - dev_list == &dev->adj_list.lower) +static inline bool netdev_adjacent_is_neigh_list(struct net_device *dev, + struct net_device *adj_dev, + struct list_head *dev_list) +{ + return (dev_list == &dev->adj_list.upper || + dev_list == &dev->adj_list.lower) && + net_eq(dev_net(dev), dev_net(adj_dev)); +} static int __netdev_adjacent_dev_insert(struct net_device *dev, struct net_device *adj_dev, @@ -4841,7 +4846,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev, pr_debug("dev_hold for %s, because of link added from %s to %s\n", adj_dev->name, dev->name, adj_dev->name); - if (netdev_adjacent_is_neigh_list(dev, dev_list)) { + if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list)) { ret = netdev_adjacent_sysfs_add(dev, adj_dev, dev_list); if (ret) goto free_adj; @@ -4862,7 +4867,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev, return 0; remove_symlinks: - if (netdev_adjacent_is_neigh_list(dev, dev_list)) + if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list)) netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list); free_adj: kfree(adj); @@ -4895,8 +4900,7 @@ static void __netdev_adjacent_dev_remove(struct net_device *dev, if (adj->master) sysfs_remove_link(&(dev->dev.kobj), "master"); - if (netdev_adjacent_is_neigh_list(dev, dev_list) && - net_eq(dev_net(dev),dev_net(adj_dev))) + if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list)) netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list); list_del_rcu(&adj->list); diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c index 6b5b6e7013ca..9d33dfffca19 100644 --- a/net/core/gen_estimator.c +++ b/net/core/gen_estimator.c @@ -197,7 +197,7 @@ struct gen_estimator *gen_find_node(const struct gnet_stats_basic_packed *bstats * as destination. A new timer with the interval specified in the * configuration TLV is created. Upon each interval, the latest statistics * will be read from &bstats and the estimated rate will be stored in - * &rate_est with the statistics lock grabed during this period. + * &rate_est with the statistics lock grabbed during this period. * * Returns 0 on success or a negative error code. * diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c index 9d3d9e78397b..2ddbce4cce14 100644 --- a/net/core/gen_stats.c +++ b/net/core/gen_stats.c @@ -206,7 +206,7 @@ EXPORT_SYMBOL(gnet_stats_copy_queue); * @st: application specific statistics data * @len: length of data * - * Appends the application sepecific statistics to the top level TLV created by + * Appends the application specific statistics to the top level TLV created by * gnet_stats_start_copy() and remembers the data for XSTATS if the dumping * handle is in backward compatibility mode. * diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 163b673f9e62..da1378a3e2c7 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2647,7 +2647,7 @@ EXPORT_SYMBOL(skb_prepare_seq_read); * skb_seq_read() will return the remaining part of the block. * * Note 1: The size of each block of data returned can be arbitrary, - * this limitation is the cost for zerocopy seqeuental + * this limitation is the cost for zerocopy sequential * reads of potentially non linear data. * * Note 2: Fragment lists within fragments are not implemented @@ -2781,7 +2781,7 @@ EXPORT_SYMBOL(skb_find_text); /** * skb_append_datato_frags - append the user data to a skb * @sk: sock structure - * @skb: skb structure to be appened with user data. + * @skb: skb structure to be appended with user data. * @getfrag: call back function to be used for getting the user data * @from: pointer to user message iov * @length: length of the iov message diff --git a/net/core/sock.c b/net/core/sock.c index 29870571c42f..9c3f823e76a9 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -166,7 +166,7 @@ EXPORT_SYMBOL(sk_ns_capable); /** * sk_capable - Socket global capability test * @sk: Socket to use a capability on or through - * @cap: The global capbility to use + * @cap: The global capability to use * * Test to see if the opener of the socket had when the socket was * created and the current process has the capability @cap in all user @@ -183,7 +183,7 @@ EXPORT_SYMBOL(sk_capable); * @sk: Socket to use a capability on or through * @cap: The capability to use * - * Test to see if the opener of the socket had when the socke was created + * Test to see if the opener of the socket had when the socket was created * and the current process has the capability @cap over the network namespace * the socket is a member of. */ @@ -1866,7 +1866,7 @@ EXPORT_SYMBOL(sock_alloc_send_skb); * skb_page_frag_refill - check that a page_frag contains enough room * @sz: minimum size of the fragment we want to get * @pfrag: pointer to page_frag - * @prio: priority for memory allocation + * @gfp: priority for memory allocation * * Note: While this allocator tries to use high order pages, there is * no guarantee that allocations succeed. Therefore, @sz MUST be diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index afed1aac2638..bda4bb8ae260 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -79,10 +79,10 @@ static void __tunnel_dst_set(struct ip_tunnel_dst *idst, idst->saddr = saddr; } -static void tunnel_dst_set(struct ip_tunnel *t, +static noinline void tunnel_dst_set(struct ip_tunnel *t, struct dst_entry *dst, __be32 saddr) { - __tunnel_dst_set(this_cpu_ptr(t->dst_cache), dst, saddr); + __tunnel_dst_set(raw_cpu_ptr(t->dst_cache), dst, saddr); } static void tunnel_dst_reset(struct ip_tunnel *t) @@ -106,7 +106,7 @@ static struct rtable *tunnel_rtable_get(struct ip_tunnel *t, struct dst_entry *dst; rcu_read_lock(); - idst = this_cpu_ptr(t->dst_cache); + idst = raw_cpu_ptr(t->dst_cache); dst = rcu_dereference(idst->dst); if (dst && !atomic_inc_not_zero(&dst->__refcnt)) dst = NULL; @@ -764,9 +764,14 @@ int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd) t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type); - if (!t && (cmd == SIOCADDTUNNEL)) { - t = ip_tunnel_create(net, itn, p); - err = PTR_ERR_OR_ZERO(t); + if (cmd == SIOCADDTUNNEL) { + if (!t) { + t = ip_tunnel_create(net, itn, p); + err = PTR_ERR_OR_ZERO(t); + break; + } + + err = -EEXIST; break; } if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) { diff --git a/net/ipv4/route.c b/net/ipv4/route.c index eaa4b000c7b4..173e7ea54c70 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2265,9 +2265,9 @@ struct rtable *ip_route_output_flow(struct net *net, struct flowi4 *flp4, return rt; if (flp4->flowi4_proto) - rt = (struct rtable *) xfrm_lookup(net, &rt->dst, - flowi4_to_flowi(flp4), - sk, 0); + rt = (struct rtable *)xfrm_lookup_route(net, &rt->dst, + flowi4_to_flowi(flp4), + sk, 0); return rt; } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 0b239fc1816e..3342ee64f2e3 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1690,14 +1690,12 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp) addrconf_mod_dad_work(ifp, 0); } -/* Join to solicited addr multicast group. */ - +/* Join to solicited addr multicast group. + * caller must hold RTNL */ void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr) { struct in6_addr maddr; - ASSERT_RTNL(); - if (dev->flags&(IFF_LOOPBACK|IFF_NOARP)) return; @@ -1705,12 +1703,11 @@ void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr) ipv6_dev_mc_inc(dev, &maddr); } +/* caller must hold RTNL */ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr) { struct in6_addr maddr; - ASSERT_RTNL(); - if (idev->dev->flags&(IFF_LOOPBACK|IFF_NOARP)) return; @@ -1718,12 +1715,11 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr) __ipv6_dev_mc_dec(idev, &maddr); } +/* caller must hold RTNL */ static void addrconf_join_anycast(struct inet6_ifaddr *ifp) { struct in6_addr addr; - ASSERT_RTNL(); - if (ifp->prefix_len >= 127) /* RFC 6164 */ return; ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); @@ -1732,12 +1728,11 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp) ipv6_dev_ac_inc(ifp->idev->dev, &addr); } +/* caller must hold RTNL */ static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) { struct in6_addr addr; - ASSERT_RTNL(); - if (ifp->prefix_len >= 127) /* RFC 6164 */ return; ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); @@ -3099,11 +3094,13 @@ static int addrconf_ifdown(struct net_device *dev, int how) write_unlock_bh(&idev->lock); - /* Step 5: Discard multicast list */ - if (how) + /* Step 5: Discard anycast and multicast list */ + if (how) { + ipv6_ac_destroy_dev(idev); ipv6_mc_destroy_dev(idev); - else + } else { ipv6_mc_down(idev); + } idev->tstamp = jiffies; @@ -4773,15 +4770,11 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) addrconf_leave_solict(ifp->idev, &ifp->addr); if (!ipv6_addr_any(&ifp->peer_addr)) { struct rt6_info *rt; - struct net_device *dev = ifp->idev->dev; - - rt = rt6_lookup(dev_net(dev), &ifp->peer_addr, NULL, - dev->ifindex, 1); - if (rt) { - dst_hold(&rt->dst); - if (ip6_del_rt(rt)) - dst_free(&rt->dst); - } + + rt = addrconf_get_prefix_route(&ifp->peer_addr, 128, + ifp->idev->dev, 0, 0); + if (rt && ip6_del_rt(rt)) + dst_free(&rt->dst); } dst_hold(&ifp->rt->dst); diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c index 210183244689..9a386842fd62 100644 --- a/net/ipv6/anycast.c +++ b/net/ipv6/anycast.c @@ -77,6 +77,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr) pac->acl_next = NULL; pac->acl_addr = *addr; + rtnl_lock(); rcu_read_lock(); if (ifindex == 0) { struct rt6_info *rt; @@ -137,6 +138,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr) error: rcu_read_unlock(); + rtnl_unlock(); if (pac) sock_kfree_s(sk, pac, sizeof(*pac)); return err; @@ -171,11 +173,13 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) spin_unlock_bh(&ipv6_sk_ac_lock); + rtnl_lock(); rcu_read_lock(); dev = dev_get_by_index_rcu(net, pac->acl_ifindex); if (dev) ipv6_dev_ac_dec(dev, &pac->acl_addr); rcu_read_unlock(); + rtnl_unlock(); sock_kfree_s(sk, pac, sizeof(*pac)); return 0; @@ -198,6 +202,7 @@ void ipv6_sock_ac_close(struct sock *sk) spin_unlock_bh(&ipv6_sk_ac_lock); prev_index = 0; + rtnl_lock(); rcu_read_lock(); while (pac) { struct ipv6_ac_socklist *next = pac->acl_next; @@ -212,6 +217,7 @@ void ipv6_sock_ac_close(struct sock *sk) pac = next; } rcu_read_unlock(); + rtnl_unlock(); } static void aca_put(struct ifacaddr6 *ac) @@ -233,6 +239,8 @@ int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr) struct rt6_info *rt; int err; + ASSERT_RTNL(); + idev = in6_dev_get(dev); if (idev == NULL) @@ -302,6 +310,8 @@ int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr) { struct ifacaddr6 *aca, *prev_aca; + ASSERT_RTNL(); + write_lock_bh(&idev->lock); prev_aca = NULL; for (aca = idev->ac_list; aca; aca = aca->aca_next) { @@ -341,6 +351,27 @@ static int ipv6_dev_ac_dec(struct net_device *dev, const struct in6_addr *addr) return __ipv6_dev_ac_dec(idev, addr); } +void ipv6_ac_destroy_dev(struct inet6_dev *idev) +{ + struct ifacaddr6 *aca; + + write_lock_bh(&idev->lock); + while ((aca = idev->ac_list) != NULL) { + idev->ac_list = aca->aca_next; + write_unlock_bh(&idev->lock); + + addrconf_leave_solict(idev, &aca->aca_addr); + + dst_hold(&aca->aca_rt->dst); + ip6_del_rt(aca->aca_rt); + + aca_put(aca); + + write_lock_bh(&idev->lock); + } + write_unlock_bh(&idev->lock); +} + /* * check if the interface has this anycast address * called with rcu_read_lock() diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 315a55d66079..0a3448b2888f 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1009,7 +1009,7 @@ struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, if (final_dst) fl6->daddr = *final_dst; - return xfrm_lookup(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0); + return xfrm_lookup_route(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0); } EXPORT_SYMBOL_GPL(ip6_dst_lookup_flow); @@ -1041,7 +1041,7 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, if (final_dst) fl6->daddr = *final_dst; - return xfrm_lookup(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0); + return xfrm_lookup_route(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0); } EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup_flow); diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 617f0958e164..a23b655a7627 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -172,6 +172,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) mc_lst->next = NULL; mc_lst->addr = *addr; + rtnl_lock(); rcu_read_lock(); if (ifindex == 0) { struct rt6_info *rt; @@ -185,6 +186,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) if (dev == NULL) { rcu_read_unlock(); + rtnl_unlock(); sock_kfree_s(sk, mc_lst, sizeof(*mc_lst)); return -ENODEV; } @@ -202,6 +204,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) if (err) { rcu_read_unlock(); + rtnl_unlock(); sock_kfree_s(sk, mc_lst, sizeof(*mc_lst)); return err; } @@ -212,6 +215,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) spin_unlock(&ipv6_sk_mc_lock); rcu_read_unlock(); + rtnl_unlock(); return 0; } @@ -229,6 +233,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) if (!ipv6_addr_is_multicast(addr)) return -EINVAL; + rtnl_lock(); spin_lock(&ipv6_sk_mc_lock); for (lnk = &np->ipv6_mc_list; (mc_lst = rcu_dereference_protected(*lnk, @@ -252,12 +257,15 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) } else (void) ip6_mc_leave_src(sk, mc_lst, NULL); rcu_read_unlock(); + rtnl_unlock(); + atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc); kfree_rcu(mc_lst, rcu); return 0; } } spin_unlock(&ipv6_sk_mc_lock); + rtnl_unlock(); return -EADDRNOTAVAIL; } @@ -302,6 +310,7 @@ void ipv6_sock_mc_close(struct sock *sk) if (!rcu_access_pointer(np->ipv6_mc_list)) return; + rtnl_lock(); spin_lock(&ipv6_sk_mc_lock); while ((mc_lst = rcu_dereference_protected(np->ipv6_mc_list, lockdep_is_held(&ipv6_sk_mc_lock))) != NULL) { @@ -328,6 +337,7 @@ void ipv6_sock_mc_close(struct sock *sk) spin_lock(&ipv6_sk_mc_lock); } spin_unlock(&ipv6_sk_mc_lock); + rtnl_unlock(); } int ip6_mc_source(int add, int omode, struct sock *sk, @@ -845,6 +855,8 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr) struct ifmcaddr6 *mc; struct inet6_dev *idev; + ASSERT_RTNL(); + /* we need to take a reference on idev */ idev = in6_dev_get(dev); @@ -916,6 +928,8 @@ int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr) { struct ifmcaddr6 *ma, **map; + ASSERT_RTNL(); + write_lock_bh(&idev->lock); for (map = &idev->mc_list; (ma=*map) != NULL; map = &ma->next) { if (ipv6_addr_equal(&ma->mca_addr, addr)) { diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 13752d96275e..b704a9356208 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -755,7 +755,8 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, /* If PMTU discovery was enabled, use the MTU that was discovered */ dst = sk_dst_get(tunnel->sock); if (dst != NULL) { - u32 pmtu = dst_mtu(__sk_dst_get(tunnel->sock)); + u32 pmtu = dst_mtu(dst); + if (pmtu != 0) session->mtu = session->mru = pmtu - PPPOL2TP_HEADER_OVERHEAD; diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 0375009ddc0d..399ad82c997f 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -541,6 +541,8 @@ static void ieee80211_recalc_chanctx_chantype(struct ieee80211_local *local, continue; if (rcu_access_pointer(sdata->vif.chanctx_conf) != conf) continue; + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + continue; if (!compat) compat = &sdata->vif.bss_conf.chandef; diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 3db96648b45a..86173c0de40e 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -167,7 +167,7 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", sta->ampdu_mlme.dialog_token_allocator + 1); p += scnprintf(p, sizeof(buf) + buf - p, - "TID\t\tRX active\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); + "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); for (i = 0; i < IEEE80211_NUM_TIDS; i++) { tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 01eede7406a5..f75e5f132c5a 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1175,8 +1175,8 @@ static void ieee80211_iface_work(struct work_struct *work) if (sta) { u16 last_seq; - last_seq = le16_to_cpu( - sta->last_seq_ctrl[rx_agg->tid]); + last_seq = IEEE80211_SEQ_TO_SN(le16_to_cpu( + sta->last_seq_ctrl[rx_agg->tid])); __ieee80211_start_rx_ba_session(sta, 0, 0, diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 63b874101b27..c47194d27149 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -959,7 +959,8 @@ mesh_plink_get_event(struct ieee80211_sub_if_data *sdata, if (!matches_local) event = CNF_RJCT; if (!mesh_plink_free_count(sdata) || - (sta->llid != llid || sta->plid != plid)) + sta->llid != llid || + (sta->plid && sta->plid != plid)) event = CNF_IGNR; else event = CNF_ACPT; @@ -1080,6 +1081,10 @@ mesh_process_plink_frame(struct ieee80211_sub_if_data *sdata, goto unlock_rcu; } + /* 802.11-2012 13.3.7.2 - update plid on CNF if not set */ + if (!sta->plid && event == CNF_ACPT) + sta->plid = plid; + changed |= mesh_plink_fsm(sdata, sta, event); unlock_rcu: diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 31a8afaf7332..b82a12a9f0f1 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4376,8 +4376,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); if (bss->wmm_used && bss->uapsd_supported && - (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) && - sdata->wmm_acm != 0xff) { + (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) { assoc_data->uapsd = true; ifmgd->flags |= IEEE80211_STA_UAPSD_ENABLED; } else { diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index c6ee2139fbc5..a1e433b88c66 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1094,8 +1094,11 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) unsigned long flags; struct ps_data *ps; - if (sdata->vif.type == NL80211_IFTYPE_AP || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata = container_of(sdata->bss, struct ieee80211_sub_if_data, + u.ap); + + if (sdata->vif.type == NL80211_IFTYPE_AP) ps = &sdata->bss->ps; else if (ieee80211_vif_is_mesh(&sdata->vif)) ps = &sdata->u.mesh.ps; @@ -1819,7 +1822,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; if (sdata->vif.bss_conf.use_short_slot) sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; - sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; + sinfo->bss_param.dtim_period = sdata->vif.bss_conf.dtim_period; sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; sinfo->sta_flags.set = 0; diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 831f9603c0ed..6d77cce481d5 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -766,6 +766,14 @@ config NETFILTER_XT_TARGET_MARK (e.g. when running oldconfig). It selects CONFIG_NETFILTER_XT_MARK (combined mark/MARK module). +config NETFILTER_XT_NAT + tristate '"SNAT and DNAT" targets support' + depends on NF_NAT + ---help--- + This option enables the SNAT and DNAT targets. + + To compile it as a module, choose M here. If unsure, say N. + config NETFILTER_XT_TARGET_NETMAP tristate '"NETMAP" target support' depends on NF_NAT diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 35d866f036e7..64dc864a417f 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -78,11 +78,12 @@ static const struct genl_multicast_group ovs_dp_vport_multicast_group = { /* Check if need to build a reply message. * OVS userspace sets the NLM_F_ECHO flag if it needs the reply. */ -static bool ovs_must_notify(struct genl_info *info, - const struct genl_multicast_group *grp) +static bool ovs_must_notify(struct genl_family *family, struct genl_info *info, + unsigned int group) { return info->nlhdr->nlmsg_flags & NLM_F_ECHO || - netlink_has_listeners(genl_info_net(info)->genl_sock, 0); + genl_has_listeners(family, genl_info_net(info)->genl_sock, + group); } static void ovs_notify(struct genl_family *family, @@ -265,8 +266,11 @@ void ovs_dp_process_received_packet(struct vport *p, struct sk_buff *skb) upcall.key = &key; upcall.userdata = NULL; upcall.portid = ovs_vport_find_upcall_portid(p, skb); - ovs_dp_upcall(dp, skb, &upcall); - consume_skb(skb); + error = ovs_dp_upcall(dp, skb, &upcall); + if (unlikely(error)) + kfree_skb(skb); + else + consume_skb(skb); stats_counter = &stats->n_missed; goto out; } @@ -760,7 +764,7 @@ static struct sk_buff *ovs_flow_cmd_alloc_info(const struct sw_flow_actions *act { struct sk_buff *skb; - if (!always && !ovs_must_notify(info, &ovs_dp_flow_multicast_group)) + if (!always && !ovs_must_notify(&dp_flow_genl_family, info, 0)) return NULL; skb = genlmsg_new_unicast(ovs_flow_cmd_msg_size(acts), info, GFP_KERNEL); diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index 02a86a27fd84..0f62326c0f5e 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -54,7 +54,7 @@ static int rfkill_gpio_set_power(void *data, bool blocked) if (blocked && !IS_ERR(rfkill->clk) && rfkill->clk_enabled) clk_disable(rfkill->clk); - rfkill->clk_enabled = blocked; + rfkill->clk_enabled = !blocked; return 0; } @@ -163,6 +163,7 @@ static const struct acpi_device_id rfkill_acpi_match[] = { { "LNV4752", RFKILL_TYPE_GPS }, { }, }; +MODULE_DEVICE_TABLE(acpi, rfkill_acpi_match); #endif static struct platform_driver rfkill_gpio_driver = { diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c index b45d080e64a7..1b24191167f1 100644 --- a/net/rxrpc/ar-key.c +++ b/net/rxrpc/ar-key.c @@ -1143,7 +1143,7 @@ static long rxrpc_read(const struct key *key, if (copy_to_user(xdr, (s), _l) != 0) \ goto fault; \ if (_l & 3 && \ - copy_to_user((u8 *)xdr + _l, &zero, 4 - (_l & 3)) != 0) \ + copy_to_user((u8 __user *)xdr + _l, &zero, 4 - (_l & 3)) != 0) \ goto fault; \ xdr += (_l + 3) >> 2; \ } while(0) diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index ed30e436128b..fb666d1e4de3 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -133,10 +133,16 @@ static void choke_drop_by_idx(struct Qdisc *sch, unsigned int idx) --sch->q.qlen; } +/* private part of skb->cb[] that a qdisc is allowed to use + * is limited to QDISC_CB_PRIV_LEN bytes. + * As a flow key might be too large, we store a part of it only. + */ +#define CHOKE_K_LEN min_t(u32, sizeof(struct flow_keys), QDISC_CB_PRIV_LEN - 3) + struct choke_skb_cb { u16 classid; u8 keys_valid; - struct flow_keys keys; + u8 keys[QDISC_CB_PRIV_LEN - 3]; }; static inline struct choke_skb_cb *choke_skb_cb(const struct sk_buff *skb) @@ -163,22 +169,26 @@ static u16 choke_get_classid(const struct sk_buff *skb) static bool choke_match_flow(struct sk_buff *skb1, struct sk_buff *skb2) { + struct flow_keys temp; + if (skb1->protocol != skb2->protocol) return false; if (!choke_skb_cb(skb1)->keys_valid) { choke_skb_cb(skb1)->keys_valid = 1; - skb_flow_dissect(skb1, &choke_skb_cb(skb1)->keys); + skb_flow_dissect(skb1, &temp); + memcpy(&choke_skb_cb(skb1)->keys, &temp, CHOKE_K_LEN); } if (!choke_skb_cb(skb2)->keys_valid) { choke_skb_cb(skb2)->keys_valid = 1; - skb_flow_dissect(skb2, &choke_skb_cb(skb2)->keys); + skb_flow_dissect(skb2, &temp); + memcpy(&choke_skb_cb(skb2)->keys, &temp, CHOKE_K_LEN); } return !memcmp(&choke_skb_cb(skb1)->keys, &choke_skb_cb(skb2)->keys, - sizeof(struct flow_keys)); + CHOKE_K_LEN); } /* diff --git a/net/socket.c b/net/socket.c index 95ee7d8682e7..4cdbc107606f 100644 --- a/net/socket.c +++ b/net/socket.c @@ -734,8 +734,7 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, } memset(&tss, 0, sizeof(tss)); - if ((sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE || - skb_shinfo(skb)->tx_flags & SKBTX_ANY_SW_TSTAMP) && + if ((sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) && ktime_to_timespec_cond(skb->tstamp, tss.ts + 0)) empty = 0; if (shhwtstamps && @@ -1997,6 +1996,9 @@ static int copy_msghdr_from_user(struct msghdr *kmsg, if (copy_from_user(kmsg, umsg, sizeof(struct msghdr))) return -EFAULT; + if (kmsg->msg_name == NULL) + kmsg->msg_namelen = 0; + if (kmsg->msg_namelen < 0) return -EINVAL; @@ -2602,7 +2604,7 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args) * * This function is called by a protocol handler that wants to * advertise its address family, and have it linked into the - * socket interface. The value ops->family coresponds to the + * socket interface. The value ops->family corresponds to the * socket system call protocol family. */ int sock_register(const struct net_proto_family *ops) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index df7b1332a1ec..7257164af91b 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -6969,6 +6969,9 @@ void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) struct nlattr *data = ((void **)skb->cb)[2]; enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; + /* clear CB data for netlink core to own from now on */ + memset(skb->cb, 0, sizeof(skb->cb)); + nla_nest_end(skb, data); genlmsg_end(skb, hdr); @@ -9294,6 +9297,9 @@ int cfg80211_vendor_cmd_reply(struct sk_buff *skb) void *hdr = ((void **)skb->cb)[1]; struct nlattr *data = ((void **)skb->cb)[2]; + /* clear CB data for netlink core to own from now on */ + memset(skb->cb, 0, sizeof(skb->cb)); + if (WARN_ON(!rdev->cur_cmd_info)) { kfree_skb(skb); return -EINVAL; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index beeed602aeb3..fdde51f4271a 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -39,6 +39,11 @@ #define XFRM_QUEUE_TMO_MAX ((unsigned)(60*HZ)) #define XFRM_MAX_QUEUE_LEN 100 +struct xfrm_flo { + struct dst_entry *dst_orig; + u8 flags; +}; + static DEFINE_SPINLOCK(xfrm_policy_afinfo_lock); static struct xfrm_policy_afinfo __rcu *xfrm_policy_afinfo[NPROTO] __read_mostly; @@ -1877,13 +1882,14 @@ static int xdst_queue_output(struct sock *sk, struct sk_buff *skb) } static struct xfrm_dst *xfrm_create_dummy_bundle(struct net *net, - struct dst_entry *dst, + struct xfrm_flo *xflo, const struct flowi *fl, int num_xfrms, u16 family) { int err; struct net_device *dev; + struct dst_entry *dst; struct dst_entry *dst1; struct xfrm_dst *xdst; @@ -1891,9 +1897,12 @@ static struct xfrm_dst *xfrm_create_dummy_bundle(struct net *net, if (IS_ERR(xdst)) return xdst; - if (net->xfrm.sysctl_larval_drop || num_xfrms <= 0) + if (!(xflo->flags & XFRM_LOOKUP_QUEUE) || + net->xfrm.sysctl_larval_drop || + num_xfrms <= 0) return xdst; + dst = xflo->dst_orig; dst1 = &xdst->u.dst; dst_hold(dst); xdst->route = dst; @@ -1935,7 +1944,7 @@ static struct flow_cache_object * xfrm_bundle_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir, struct flow_cache_object *oldflo, void *ctx) { - struct dst_entry *dst_orig = (struct dst_entry *)ctx; + struct xfrm_flo *xflo = (struct xfrm_flo *)ctx; struct xfrm_policy *pols[XFRM_POLICY_TYPE_MAX]; struct xfrm_dst *xdst, *new_xdst; int num_pols = 0, num_xfrms = 0, i, err, pol_dead; @@ -1976,7 +1985,8 @@ xfrm_bundle_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir, goto make_dummy_bundle; } - new_xdst = xfrm_resolve_and_create_bundle(pols, num_pols, fl, family, dst_orig); + new_xdst = xfrm_resolve_and_create_bundle(pols, num_pols, fl, family, + xflo->dst_orig); if (IS_ERR(new_xdst)) { err = PTR_ERR(new_xdst); if (err != -EAGAIN) @@ -2010,7 +2020,7 @@ make_dummy_bundle: /* We found policies, but there's no bundles to instantiate: * either because the policy blocks, has no transformations or * we could not build template (no xfrm_states).*/ - xdst = xfrm_create_dummy_bundle(net, dst_orig, fl, num_xfrms, family); + xdst = xfrm_create_dummy_bundle(net, xflo, fl, num_xfrms, family); if (IS_ERR(xdst)) { xfrm_pols_put(pols, num_pols); return ERR_CAST(xdst); @@ -2104,13 +2114,18 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig, } if (xdst == NULL) { + struct xfrm_flo xflo; + + xflo.dst_orig = dst_orig; + xflo.flags = flags; + /* To accelerate a bit... */ if ((dst_orig->flags & DST_NOXFRM) || !net->xfrm.policy_count[XFRM_POLICY_OUT]) goto nopol; flo = flow_cache_lookup(net, fl, family, dir, - xfrm_bundle_lookup, dst_orig); + xfrm_bundle_lookup, &xflo); if (flo == NULL) goto nopol; if (IS_ERR(flo)) { @@ -2138,7 +2153,7 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig, xfrm_pols_put(pols, drop_pols); XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTNOSTATES); - return make_blackhole(net, family, dst_orig); + return ERR_PTR(-EREMOTE); } err = -EAGAIN; @@ -2195,6 +2210,23 @@ dropdst: } EXPORT_SYMBOL(xfrm_lookup); +/* Callers of xfrm_lookup_route() must ensure a call to dst_output(). + * Otherwise we may send out blackholed packets. + */ +struct dst_entry *xfrm_lookup_route(struct net *net, struct dst_entry *dst_orig, + const struct flowi *fl, + struct sock *sk, int flags) +{ + struct dst_entry *dst = xfrm_lookup(net, dst_orig, fl, sk, + flags | XFRM_LOOKUP_QUEUE); + + if (IS_ERR(dst) && PTR_ERR(dst) == -EREMOTE) + return make_blackhole(net, dst_orig->ops->family, dst_orig); + + return dst; +} +EXPORT_SYMBOL(xfrm_lookup_route); + static inline int xfrm_secpath_reject(int idx, struct sk_buff *skb, const struct flowi *fl) { @@ -2460,7 +2492,7 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family) skb_dst_force(skb); - dst = xfrm_lookup(net, skb_dst(skb), &fl, NULL, 0); + dst = xfrm_lookup(net, skb_dst(skb), &fl, NULL, XFRM_LOOKUP_QUEUE); if (IS_ERR(dst)) { res = 0; dst = NULL; |