commit:     67b9d04ff69ca7c7a8be3fefb3247bd81d2241cc
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri Feb 27 18:23:46 2015 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri Feb 27 18:23:46 2015 +0000
URL:        
http://sources.gentoo.org/gitweb/?p=proj/linux-patches.git;a=commit;h=67b9d04f

Linux patch 3.10.70. Enable link security restrictions by default.

---
 0000_README              |   4 +
 1069_linux-3.10.70.patch | 569 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 573 insertions(+)

diff --git a/0000_README b/0000_README
index 1791ea5..59f86bb 100644
--- a/0000_README
+++ b/0000_README
@@ -318,6 +318,10 @@ Patch:  1068_linux-3.10.69.patch
 From:   http://www.kernel.org
 Desc:   Linux 3.10.69
 
+Patch:  1069_linux-3.10.70.patch
+From:   http://www.kernel.org
+Desc:   Linux 3.10.70
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1069_linux-3.10.70.patch b/1069_linux-3.10.70.patch
new file mode 100644
index 0000000..eb0b700
--- /dev/null
+++ b/1069_linux-3.10.70.patch
@@ -0,0 +1,569 @@
+diff --git a/Makefile b/Makefile
+index 81ede20061cf..402cbb7c27f1 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 10
+-SUBLEVEL = 69
++SUBLEVEL = 70
+ EXTRAVERSION =
+ NAME = TOSSUG Baby Fish
+ 
+diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
+index 9951e66b8502..7e3f45105f11 100644
+--- a/drivers/block/rbd.c
++++ b/drivers/block/rbd.c
+@@ -2149,7 +2149,6 @@ static void rbd_img_obj_callback(struct rbd_obj_request 
*obj_request)
+       rbd_assert(img_request->obj_request_count > 0);
+       rbd_assert(which != BAD_WHICH);
+       rbd_assert(which < img_request->obj_request_count);
+-      rbd_assert(which >= img_request->next_completion);
+ 
+       spin_lock_irq(&img_request->completion_lock);
+       if (which != img_request->next_completion)
+diff --git a/drivers/media/rc/ir-lirc-codec.c 
b/drivers/media/rc/ir-lirc-codec.c
+index e4561264e124..a895ed02da86 100644
+--- a/drivers/media/rc/ir-lirc-codec.c
++++ b/drivers/media/rc/ir-lirc-codec.c
+@@ -42,11 +42,17 @@ static int ir_lirc_decode(struct rc_dev *dev, struct 
ir_raw_event ev)
+               return -EINVAL;
+ 
+       /* Packet start */
+-      if (ev.reset)
+-              return 0;
++      if (ev.reset) {
++              /* Userspace expects a long space event before the start of
++               * the signal to use as a sync.  This may be done with repeat
++               * packets and normal samples.  But if a reset has been sent
++               * then we assume that a long time has passed, so we send a
++               * space with the maximum time value. */
++              sample = LIRC_SPACE(LIRC_VALUE_MASK);
++              IR_dprintk(2, "delivering reset sync space to lirc_dev\n");
+ 
+       /* Carrier reports */
+-      if (ev.carrier_report) {
++      } else if (ev.carrier_report) {
+               sample = LIRC_FREQUENCY(ev.carrier);
+               IR_dprintk(2, "carrier report (freq: %d)\n", sample);
+ 
+diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c 
b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+index af951f343ff6..50104a7e963f 100644
+--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
++++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+@@ -2315,7 +2315,10 @@ static int netxen_nic_poll(struct napi_struct *napi, 
int budget)
+ 
+       work_done = netxen_process_rcv_ring(sds_ring, budget);
+ 
+-      if ((work_done < budget) && tx_complete) {
++      if (!tx_complete)
++              work_done = budget;
++
++      if (work_done < budget) {
+               napi_complete(&sds_ring->napi);
+               if (test_bit(__NX_DEV_UP, &adapter->state))
+                       netxen_nic_enable_int(sds_ring);
+diff --git a/drivers/net/ppp/ppp_deflate.c b/drivers/net/ppp/ppp_deflate.c
+index 602c625d95d5..b5edc7f96a39 100644
+--- a/drivers/net/ppp/ppp_deflate.c
++++ b/drivers/net/ppp/ppp_deflate.c
+@@ -246,7 +246,7 @@ static int z_compress(void *arg, unsigned char *rptr, 
unsigned char *obuf,
+       /*
+        * See if we managed to reduce the size of the packet.
+        */
+-      if (olen < isize) {
++      if (olen < isize && olen <= osize) {
+               state->stats.comp_bytes += olen;
+               state->stats.comp_packets++;
+       } else {
+diff --git a/include/net/ip.h b/include/net/ip.h
+index 8695359982d1..0a62365149e2 100644
+--- a/include/net/ip.h
++++ b/include/net/ip.h
+@@ -37,11 +37,12 @@ struct inet_skb_parm {
+       struct ip_options       opt;            /* Compiled IP options          
*/
+       unsigned char           flags;
+ 
+-#define IPSKB_FORWARDED               1
+-#define IPSKB_XFRM_TUNNEL_SIZE        2
+-#define IPSKB_XFRM_TRANSFORMED        4
+-#define IPSKB_FRAG_COMPLETE   8
+-#define IPSKB_REROUTED                16
++#define IPSKB_FORWARDED               BIT(0)
++#define IPSKB_XFRM_TUNNEL_SIZE        BIT(1)
++#define IPSKB_XFRM_TRANSFORMED        BIT(2)
++#define IPSKB_FRAG_COMPLETE   BIT(3)
++#define IPSKB_REROUTED                BIT(4)
++#define IPSKB_DOREDIRECT      BIT(5)
+ 
+       u16                     frag_max_size;
+ };
+@@ -162,7 +163,7 @@ static inline __u8 ip_reply_arg_flowi_flags(const struct 
ip_reply_arg *arg)
+       return (arg->flags & IP_REPLY_ARG_NOSRCCHECK) ? FLOWI_FLAG_ANYSRC : 0;
+ }
+ 
+-void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
++void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
+                          __be32 saddr, const struct ip_reply_arg *arg,
+                          unsigned int len);
+ 
+diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
+index 2ba9de89e8ec..03e6378d5353 100644
+--- a/include/net/netns/ipv4.h
++++ b/include/net/netns/ipv4.h
+@@ -43,6 +43,7 @@ struct netns_ipv4 {
+       struct inet_peer_base   *peers;
+       struct tcpm_hash_bucket *tcp_metrics_hash;
+       unsigned int            tcp_metrics_hash_log;
++      struct sock  * __percpu *tcp_sk;
+       struct netns_frags      frags;
+ #ifdef CONFIG_NETFILTER
+       struct xt_table         *iptable_filter;
+diff --git a/net/core/dev.c b/net/core/dev.c
+index cca7ae0ba915..c310440309bb 100644
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -6015,10 +6015,20 @@ static int dev_cpu_callback(struct notifier_block *nfb,
+               oldsd->output_queue = NULL;
+               oldsd->output_queue_tailp = &oldsd->output_queue;
+       }
+-      /* Append NAPI poll list from offline CPU. */
+-      if (!list_empty(&oldsd->poll_list)) {
+-              list_splice_init(&oldsd->poll_list, &sd->poll_list);
+-              raise_softirq_irqoff(NET_RX_SOFTIRQ);
++      /* Append NAPI poll list from offline CPU, with one exception :
++       * process_backlog() must be called by cpu owning percpu backlog.
++       * We properly handle process_queue & input_pkt_queue later.
++       */
++      while (!list_empty(&oldsd->poll_list)) {
++              struct napi_struct *napi = list_first_entry(&oldsd->poll_list,
++                                                          struct napi_struct,
++                                                          poll_list);
++
++              list_del_init(&napi->poll_list);
++              if (napi->poll == process_backlog)
++                      napi->state = 0;
++              else
++                      ____napi_schedule(sd, napi);
+       }
+ 
+       raise_softirq_irqoff(NET_TX_SOFTIRQ);
+@@ -6029,7 +6039,7 @@ static int dev_cpu_callback(struct notifier_block *nfb,
+               netif_rx(skb);
+               input_queue_head_incr(oldsd);
+       }
+-      while ((skb = __skb_dequeue(&oldsd->input_pkt_queue))) {
++      while ((skb = skb_dequeue(&oldsd->input_pkt_queue))) {
+               netif_rx(skb);
+               input_queue_head_incr(oldsd);
+       }
+diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
+index 25c4dd563a79..279b5dcf09ae 100644
+--- a/net/core/rtnetlink.c
++++ b/net/core/rtnetlink.c
+@@ -2477,12 +2477,16 @@ static int rtnl_bridge_notify(struct net_device *dev, 
u16 flags)
+                       goto errout;
+       }
+ 
++      if (!skb->len)
++              goto errout;
++
+       rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
+       return 0;
+ errout:
+       WARN_ON(err == -EMSGSIZE);
+       kfree_skb(skb);
+-      rtnl_set_sk_err(net, RTNLGRP_LINK, err);
++      if (err)
++              rtnl_set_sk_err(net, RTNLGRP_LINK, err);
+       return err;
+ }
+ 
+diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
+index bd1c5baf69be..31ee5c6033df 100644
+--- a/net/ipv4/ip_forward.c
++++ b/net/ipv4/ip_forward.c
+@@ -175,7 +175,8 @@ int ip_forward(struct sk_buff *skb)
+        *      We now generate an ICMP HOST REDIRECT giving the route
+        *      we calculated.
+        */
+-      if (rt->rt_flags&RTCF_DOREDIRECT && !opt->srr && !skb_sec_path(skb))
++      if (IPCB(skb)->flags & IPSKB_DOREDIRECT && !opt->srr &&
++          !skb_sec_path(skb))
+               ip_rt_send_redirect(skb);
+ 
+       skb->priority = rt_tos2priority(iph->tos);
+diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
+index 22fa05e041ea..def18547748e 100644
+--- a/net/ipv4/ip_output.c
++++ b/net/ipv4/ip_output.c
+@@ -1454,23 +1454,8 @@ static int ip_reply_glue_bits(void *dptr, char *to, int 
offset,
+ /*
+  *    Generic function to send a packet as reply to another packet.
+  *    Used to send some TCP resets/acks so far.
+- *
+- *    Use a fake percpu inet socket to avoid false sharing and contention.
+  */
+-static DEFINE_PER_CPU(struct inet_sock, unicast_sock) = {
+-      .sk = {
+-              .__sk_common = {
+-                      .skc_refcnt = ATOMIC_INIT(1),
+-              },
+-              .sk_wmem_alloc  = ATOMIC_INIT(1),
+-              .sk_allocation  = GFP_ATOMIC,
+-              .sk_flags       = (1UL << SOCK_USE_WRITE_QUEUE),
+-      },
+-      .pmtudisc       = IP_PMTUDISC_WANT,
+-      .uc_ttl         = -1,
+-};
+-
+-void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
++void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
+                          __be32 saddr, const struct ip_reply_arg *arg,
+                          unsigned int len)
+ {
+@@ -1478,9 +1463,8 @@ void ip_send_unicast_reply(struct net *net, struct 
sk_buff *skb, __be32 daddr,
+       struct ipcm_cookie ipc;
+       struct flowi4 fl4;
+       struct rtable *rt = skb_rtable(skb);
++      struct net *net = sock_net(sk);
+       struct sk_buff *nskb;
+-      struct sock *sk;
+-      struct inet_sock *inet;
+       int err;
+ 
+       if (ip_options_echo(&replyopts.opt.opt, skb))
+@@ -1508,15 +1492,11 @@ void ip_send_unicast_reply(struct net *net, struct 
sk_buff *skb, __be32 daddr,
+       if (IS_ERR(rt))
+               return;
+ 
+-      inet = &get_cpu_var(unicast_sock);
++      inet_sk(sk)->tos = arg->tos;
+ 
+-      inet->tos = arg->tos;
+-      sk = &inet->sk;
+       sk->sk_priority = skb->priority;
+       sk->sk_protocol = ip_hdr(skb)->protocol;
+       sk->sk_bound_dev_if = arg->bound_dev_if;
+-      sock_net_set(sk, net);
+-      __skb_queue_head_init(&sk->sk_write_queue);
+       sk->sk_sndbuf = sysctl_wmem_default;
+       err = ip_append_data(sk, &fl4, ip_reply_glue_bits, arg->iov->iov_base,
+                            len, 0, &ipc, &rt, MSG_DONTWAIT);
+@@ -1532,13 +1512,10 @@ void ip_send_unicast_reply(struct net *net, struct 
sk_buff *skb, __be32 daddr,
+                         arg->csumoffset) = csum_fold(csum_add(nskb->csum,
+                                                               arg->csum));
+               nskb->ip_summed = CHECKSUM_NONE;
+-              skb_orphan(nskb);
+               skb_set_queue_mapping(nskb, skb_get_queue_mapping(skb));
+               ip_push_pending_frames(sk, &fl4);
+       }
+ out:
+-      put_cpu_var(unicast_sock);
+-
+       ip_rt_put(rt);
+ }
+ 
+diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
+index 23e6ab0a2dc0..f6603142cb33 100644
+--- a/net/ipv4/ip_sockglue.c
++++ b/net/ipv4/ip_sockglue.c
+@@ -410,15 +410,11 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, 
int len, int *addr_len)
+ 
+       memcpy(&errhdr.ee, &serr->ee, sizeof(struct sock_extended_err));
+       sin = &errhdr.offender;
+-      sin->sin_family = AF_UNSPEC;
++      memset(sin, 0, sizeof(*sin));
+       if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP) {
+-              struct inet_sock *inet = inet_sk(sk);
+-
+               sin->sin_family = AF_INET;
+               sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
+-              sin->sin_port = 0;
+-              memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
+-              if (inet->cmsg_flags)
++              if (inet_sk(sk)->cmsg_flags)
+                       ip_cmsg_recv(msg, skb);
+       }
+ 
+diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
+index aa857a4a06a8..698f3a2ac5ae 100644
+--- a/net/ipv4/ping.c
++++ b/net/ipv4/ping.c
+@@ -720,8 +720,11 @@ void ping_rcv(struct sk_buff *skb)
+       sk = ping_v4_lookup(net, saddr, daddr, ntohs(icmph->un.echo.id),
+                           skb->dev->ifindex);
+       if (sk != NULL) {
++              struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
++
+               pr_debug("rcv on socket %p\n", sk);
+-              ping_queue_rcv_skb(sk, skb_get(skb));
++              if (skb2)
++                      ping_queue_rcv_skb(sk, skb2);
+               sock_put(sk);
+               return;
+       }
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index d4d162eac4df..e23c5f64286b 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -1514,11 +1514,10 @@ static int __mkroute_input(struct sk_buff *skb,
+ 
+       do_cache = res->fi && !itag;
+       if (out_dev == in_dev && err && IN_DEV_TX_REDIRECTS(out_dev) &&
++          skb->protocol == htons(ETH_P_IP) &&
+           (IN_DEV_SHARED_MEDIA(out_dev) ||
+-           inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res)))) {
+-              flags |= RTCF_DOREDIRECT;
+-              do_cache = false;
+-      }
++           inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res))))
++              IPCB(skb)->flags |= IPSKB_DOREDIRECT;
+ 
+       if (skb->protocol != htons(ETH_P_IP)) {
+               /* Not IP (i.e. ARP). Do not create route, if it is
+@@ -2255,6 +2254,8 @@ static int rt_fill_info(struct net *net,  __be32 dst, 
__be32 src,
+       r->rtm_flags    = (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED;
+       if (rt->rt_flags & RTCF_NOTIFY)
+               r->rtm_flags |= RTM_F_NOTIFY;
++      if (IPCB(skb)->flags & IPSKB_DOREDIRECT)
++              r->rtm_flags |= RTCF_DOREDIRECT;
+ 
+       if (nla_put_be32(skb, RTA_DST, dst))
+               goto nla_put_failure;
+diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
+index e025c1c788a1..cce35e5a7ee6 100644
+--- a/net/ipv4/tcp_ipv4.c
++++ b/net/ipv4/tcp_ipv4.c
+@@ -707,7 +707,8 @@ static void tcp_v4_send_reset(struct sock *sk, struct 
sk_buff *skb)
+ 
+       net = dev_net(skb_dst(skb)->dev);
+       arg.tos = ip_hdr(skb)->tos;
+-      ip_send_unicast_reply(net, skb, ip_hdr(skb)->saddr,
++      ip_send_unicast_reply(*this_cpu_ptr(net->ipv4.tcp_sk),
++                            skb, ip_hdr(skb)->saddr,
+                             ip_hdr(skb)->daddr, &arg, arg.iov[0].iov_len);
+ 
+       TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
+@@ -790,7 +791,8 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, 
u32 ack,
+       if (oif)
+               arg.bound_dev_if = oif;
+       arg.tos = tos;
+-      ip_send_unicast_reply(net, skb, ip_hdr(skb)->saddr,
++      ip_send_unicast_reply(*this_cpu_ptr(net->ipv4.tcp_sk),
++                            skb, ip_hdr(skb)->saddr,
+                             ip_hdr(skb)->daddr, &arg, arg.iov[0].iov_len);
+ 
+       TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
+@@ -2898,14 +2900,39 @@ struct proto tcp_prot = {
+ };
+ EXPORT_SYMBOL(tcp_prot);
+ 
++static void __net_exit tcp_sk_exit(struct net *net)
++{
++      int cpu;
++
++      for_each_possible_cpu(cpu)
++              inet_ctl_sock_destroy(*per_cpu_ptr(net->ipv4.tcp_sk, cpu));
++      free_percpu(net->ipv4.tcp_sk);
++}
++
+ static int __net_init tcp_sk_init(struct net *net)
+ {
++      int res, cpu;
++
++      net->ipv4.tcp_sk = alloc_percpu(struct sock *);
++      if (!net->ipv4.tcp_sk)
++              return -ENOMEM;
++
++      for_each_possible_cpu(cpu) {
++              struct sock *sk;
++
++              res = inet_ctl_sock_create(&sk, PF_INET, SOCK_RAW,
++                                         IPPROTO_TCP, net);
++              if (res)
++                      goto fail;
++              *per_cpu_ptr(net->ipv4.tcp_sk, cpu) = sk;
++      }
+       net->ipv4.sysctl_tcp_ecn = 2;
+       return 0;
+-}
+ 
+-static void __net_exit tcp_sk_exit(struct net *net)
+-{
++fail:
++      tcp_sk_exit(net);
++
++      return res;
+ }
+ 
+ static void __net_exit tcp_sk_exit_batch(struct list_head *net_exit_list)
+diff --git a/net/ipv4/udp_diag.c b/net/ipv4/udp_diag.c
+index 7927db0a9279..4a000f1dd757 100644
+--- a/net/ipv4/udp_diag.c
++++ b/net/ipv4/udp_diag.c
+@@ -99,11 +99,13 @@ static void udp_dump(struct udp_table *table, struct 
sk_buff *skb, struct netlin
+       s_slot = cb->args[0];
+       num = s_num = cb->args[1];
+ 
+-      for (slot = s_slot; slot <= table->mask; num = s_num = 0, slot++) {
++      for (slot = s_slot; slot <= table->mask; s_num = 0, slot++) {
+               struct sock *sk;
+               struct hlist_nulls_node *node;
+               struct udp_hslot *hslot = &table->hash[slot];
+ 
++              num = 0;
++
+               if (hlist_nulls_empty(&hslot->head))
+                       continue;
+ 
+diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
+index 8997340e3742..ce17d3da9b2b 100644
+--- a/net/ipv6/datagram.c
++++ b/net/ipv6/datagram.c
+@@ -374,11 +374,10 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, 
int len, int *addr_len)
+ 
+       memcpy(&errhdr.ee, &serr->ee, sizeof(struct sock_extended_err));
+       sin = &errhdr.offender;
+-      sin->sin6_family = AF_UNSPEC;
++      memset(sin, 0, sizeof(*sin));
++
+       if (serr->ee.ee_origin != SO_EE_ORIGIN_LOCAL) {
+               sin->sin6_family = AF_INET6;
+-              sin->sin6_flowinfo = 0;
+-              sin->sin6_port = 0;
+               if (skb->protocol == htons(ETH_P_IPV6)) {
+                       sin->sin6_addr = ipv6_hdr(skb)->saddr;
+                       if (np->rxopt.all)
+@@ -387,12 +386,9 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, 
int len, int *addr_len)
+                               ipv6_iface_scope_id(&sin->sin6_addr,
+                                                   IP6CB(skb)->iif);
+               } else {
+-                      struct inet_sock *inet = inet_sk(sk);
+-
+                       ipv6_addr_set_v4mapped(ip_hdr(skb)->saddr,
+                                              &sin->sin6_addr);
+-                      sin->sin6_scope_id = 0;
+-                      if (inet->cmsg_flags)
++                      if (inet_sk(sk)->cmsg_flags)
+                               ip_cmsg_recv(msg, skb);
+               }
+       }
+diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
+index 009c9620f442..ceeb9458bb60 100644
+--- a/net/ipv6/ip6_fib.c
++++ b/net/ipv6/ip6_fib.c
+@@ -638,6 +638,29 @@ static inline bool rt6_qualify_for_ecmp(struct rt6_info 
*rt)
+              RTF_GATEWAY;
+ }
+ 
++static void fib6_purge_rt(struct rt6_info *rt, struct fib6_node *fn,
++                        struct net *net)
++{
++      if (atomic_read(&rt->rt6i_ref) != 1) {
++              /* This route is used as dummy address holder in some split
++               * nodes. It is not leaked, but it still holds other resources,
++               * which must be released in time. So, scan ascendant nodes
++               * and replace dummy references to this route with references
++               * to still alive ones.
++               */
++              while (fn) {
++                      if (!(fn->fn_flags & RTN_RTINFO) && fn->leaf == rt) {
++                              fn->leaf = fib6_find_prefix(net, fn);
++                              atomic_inc(&fn->leaf->rt6i_ref);
++                              rt6_release(rt);
++                      }
++                      fn = fn->parent;
++              }
++              /* No more references are possible at this point. */
++              BUG_ON(atomic_read(&rt->rt6i_ref) != 1);
++      }
++}
++
+ /*
+  *    Insert routing information in a node.
+  */
+@@ -775,11 +798,12 @@ add:
+               rt->dst.rt6_next = iter->dst.rt6_next;
+               atomic_inc(&rt->rt6i_ref);
+               inet6_rt_notify(RTM_NEWROUTE, rt, info);
+-              rt6_release(iter);
+               if (!(fn->fn_flags & RTN_RTINFO)) {
+                       info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
+                       fn->fn_flags |= RTN_RTINFO;
+               }
++              fib6_purge_rt(iter, fn, info->nl_net);
++              rt6_release(iter);
+       }
+ 
+       return 0;
+@@ -1284,24 +1308,7 @@ static void fib6_del_route(struct fib6_node *fn, struct 
rt6_info **rtp,
+               fn = fib6_repair_tree(net, fn);
+       }
+ 
+-      if (atomic_read(&rt->rt6i_ref) != 1) {
+-              /* This route is used as dummy address holder in some split
+-               * nodes. It is not leaked, but it still holds other resources,
+-               * which must be released in time. So, scan ascendant nodes
+-               * and replace dummy references to this route with references
+-               * to still alive ones.
+-               */
+-              while (fn) {
+-                      if (!(fn->fn_flags & RTN_RTINFO) && fn->leaf == rt) {
+-                              fn->leaf = fib6_find_prefix(net, fn);
+-                              atomic_inc(&fn->leaf->rt6i_ref);
+-                              rt6_release(rt);
+-                      }
+-                      fn = fn->parent;
+-              }
+-              /* No more references are possible at this point. */
+-              BUG_ON(atomic_read(&rt->rt6i_ref) != 1);
+-      }
++      fib6_purge_rt(rt, fn, net);
+ 
+       inet6_rt_notify(RTM_DELROUTE, rt, info);
+       rt6_release(rt);
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c
+index b2614b22622b..92274796eb71 100644
+--- a/net/ipv6/route.c
++++ b/net/ipv6/route.c
+@@ -1141,12 +1141,9 @@ static void ip6_rt_update_pmtu(struct dst_entry *dst, 
struct sock *sk,
+               struct net *net = dev_net(dst->dev);
+ 
+               rt6->rt6i_flags |= RTF_MODIFIED;
+-              if (mtu < IPV6_MIN_MTU) {
+-                      u32 features = dst_metric(dst, RTAX_FEATURES);
++              if (mtu < IPV6_MIN_MTU)
+                       mtu = IPV6_MIN_MTU;
+-                      features |= RTAX_FEATURE_ALLFRAG;
+-                      dst_metric_set(dst, RTAX_FEATURES, features);
+-              }
++
+               dst_metric_set(dst, RTAX_MTU, mtu);
+               rt6_update_expires(rt6, net->ipv6.sysctl.ip6_rt_mtu_expires);
+       }
+diff --git a/net/sctp/associola.c b/net/sctp/associola.c
+index ca4a1a1b8e69..6360a14edeab 100644
+--- a/net/sctp/associola.c
++++ b/net/sctp/associola.c
+@@ -1297,7 +1297,6 @@ void sctp_assoc_update(struct sctp_association *asoc,
+       asoc->peer.peer_hmacs = new->peer.peer_hmacs;
+       new->peer.peer_hmacs = NULL;
+ 
+-      sctp_auth_key_put(asoc->asoc_shared_key);
+       sctp_auth_asoc_init_active_key(asoc, GFP_ATOMIC);
+ }
+ 
+diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
+index 29fc16f3633f..beedadf62f6c 100644
+--- a/net/sctp/sm_make_chunk.c
++++ b/net/sctp/sm_make_chunk.c
+@@ -2595,7 +2595,7 @@ do_addr_param:
+ 
+               addr_param = param.v + sizeof(sctp_addip_param_t);
+ 
+-              af = sctp_get_af_specific(param_type2af(param.p->type));
++              af = sctp_get_af_specific(param_type2af(addr_param->p.type));
+               if (af == NULL)
+                       break;
+ 

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