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-rw-r--r--net/ipv6/addrconf.c2
-rw-r--r--net/ipv6/netfilter/ip6_queue.c20
-rw-r--r--net/ipv6/raw.c7
-rw-r--r--net/ipv6/route.c2
-rw-r--r--net/ipv6/tcp_ipv6.c7
-rw-r--r--net/ipv6/xfrm6_policy.c43
6 files changed, 63 insertions, 18 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 7196ac2f2d16..7744a2592693 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3076,7 +3076,7 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
netlink_broadcast(rtnl, skb, 0, RTMGRP_IPV6_PREFIX, GFP_ATOMIC);
}
-static struct rtnetlink_link inet6_rtnetlink_table[RTM_MAX - RTM_BASE + 1] = {
+static struct rtnetlink_link inet6_rtnetlink_table[RTM_NR_MSGTYPES] = {
[RTM_GETLINK - RTM_BASE] = { .dumpit = inet6_dump_ifinfo, },
[RTM_NEWADDR - RTM_BASE] = { .doit = inet6_rtm_newaddr, },
[RTM_DELADDR - RTM_BASE] = { .doit = inet6_rtm_deladdr, },
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index c54830b89593..750943e2d34e 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -549,20 +549,18 @@ ipq_rcv_skb(struct sk_buff *skb)
static void
ipq_rcv_sk(struct sock *sk, int len)
{
- do {
- struct sk_buff *skb;
+ struct sk_buff *skb;
+ unsigned int qlen;
- if (down_trylock(&ipqnl_sem))
- return;
+ down(&ipqnl_sem);
- while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
- ipq_rcv_skb(skb);
- kfree_skb(skb);
- }
+ for (qlen = skb_queue_len(&sk->sk_receive_queue); qlen; qlen--) {
+ skb = skb_dequeue(&sk->sk_receive_queue);
+ ipq_rcv_skb(skb);
+ kfree_skb(skb);
+ }
- up(&ipqnl_sem);
-
- } while (ipqnl && ipqnl->sk_receive_queue.qlen);
+ up(&ipqnl_sem);
}
static int
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 1352c1d9bf4d..617645bc5ed6 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -455,11 +455,11 @@ csum_copy_err:
static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
struct raw6_sock *rp)
{
- struct inet_sock *inet = inet_sk(sk);
struct sk_buff *skb;
int err = 0;
int offset;
int len;
+ int total_len;
u32 tmp_csum;
u16 csum;
@@ -470,7 +470,8 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
goto out;
offset = rp->offset;
- if (offset >= inet->cork.length - 1) {
+ total_len = inet_sk(sk)->cork.length - (skb->nh.raw - skb->data);
+ if (offset >= total_len - 1) {
err = -EINVAL;
ip6_flush_pending_frames(sk);
goto out;
@@ -514,7 +515,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
tmp_csum = csum_ipv6_magic(&fl->fl6_src,
&fl->fl6_dst,
- inet->cork.length, fl->proto, tmp_csum);
+ total_len, fl->proto, tmp_csum);
if (tmp_csum == 0)
tmp_csum = -1;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 183802902c02..3bf8a0254f81 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2005,7 +2005,7 @@ ctl_table ipv6_route_table[] = {
.procname = "flush",
.data = &flush_delay,
.maxlen = sizeof(int),
- .mode = 0644,
+ .mode = 0200,
.proc_handler = &ipv6_sysctl_rtcache_flush
},
{
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 4760c85e19db..0f69e800a0ad 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -139,9 +139,12 @@ static int tcp_v6_get_port(struct sock *sk, unsigned short snum)
int rover;
spin_lock(&tcp_portalloc_lock);
- rover = tcp_port_rover;
+ if (tcp_port_rover < low)
+ rover = low;
+ else
+ rover = tcp_port_rover;
do { rover++;
- if ((rover < low) || (rover > high))
+ if (rover > high)
rover = low;
head = &tcp_bhash[tcp_bhashfn(rover)];
spin_lock(&head->lock);
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 8a4f37de4d2d..4429b1a1fe5f 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -11,7 +11,11 @@
*
*/
+#include <asm/bug.h>
+#include <linux/compiler.h>
#include <linux/config.h>
+#include <linux/netdevice.h>
+#include <net/addrconf.h>
#include <net/xfrm.h>
#include <net/ip.h>
#include <net/ipv6.h>
@@ -166,6 +170,8 @@ __xfrm6_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int
memcpy(&x->u.rt6.rt6i_gateway, &rt0->rt6i_gateway, sizeof(x->u.rt6.rt6i_gateway));
x->u.rt6.rt6i_dst = rt0->rt6i_dst;
x->u.rt6.rt6i_src = rt0->rt6i_src;
+ x->u.rt6.rt6i_idev = rt0->rt6i_idev;
+ in6_dev_hold(rt0->rt6i_idev);
header_len -= x->u.dst.xfrm->props.header_len;
trailer_len -= x->u.dst.xfrm->props.trailer_len;
}
@@ -251,11 +257,48 @@ static void xfrm6_update_pmtu(struct dst_entry *dst, u32 mtu)
path->ops->update_pmtu(path, mtu);
}
+static void xfrm6_dst_destroy(struct dst_entry *dst)
+{
+ struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
+
+ if (likely(xdst->u.rt6.rt6i_idev))
+ in6_dev_put(xdst->u.rt6.rt6i_idev);
+ xfrm_dst_destroy(xdst);
+}
+
+static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
+ int unregister)
+{
+ struct xfrm_dst *xdst;
+
+ if (!unregister)
+ return;
+
+ xdst = (struct xfrm_dst *)dst;
+ if (xdst->u.rt6.rt6i_idev->dev == dev) {
+ struct inet6_dev *loopback_idev = in6_dev_get(&loopback_dev);
+ BUG_ON(!loopback_idev);
+
+ do {
+ in6_dev_put(xdst->u.rt6.rt6i_idev);
+ xdst->u.rt6.rt6i_idev = loopback_idev;
+ in6_dev_hold(loopback_idev);
+ xdst = (struct xfrm_dst *)xdst->u.dst.child;
+ } while (xdst->u.dst.xfrm);
+
+ __in6_dev_put(loopback_idev);
+ }
+
+ xfrm_dst_ifdown(dst, dev);
+}
+
static struct dst_ops xfrm6_dst_ops = {
.family = AF_INET6,
.protocol = __constant_htons(ETH_P_IPV6),
.gc = xfrm6_garbage_collect,
.update_pmtu = xfrm6_update_pmtu,
+ .destroy = xfrm6_dst_destroy,
+ .ifdown = xfrm6_dst_ifdown,
.gc_thresh = 1024,
.entry_size = sizeof(struct xfrm_dst),
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.