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-rw-r--r--net/bluetooth/sco.c6
-rw-r--r--net/ceph/Makefile22
-rw-r--r--net/ceph/buffer.c2
-rw-r--r--net/core/filter.c19
-rw-r--r--net/core/request_sock.c4
-rw-r--r--net/dccp/input.c3
-rw-r--r--net/decnet/af_decnet.c2
-rw-r--r--net/econet/af_econet.c93
-rw-r--r--net/ipv4/fib_trie.c2
-rw-r--r--net/ipv4/inet_hashtables.c3
-rw-r--r--net/ipv4/proc.c1
-rw-r--r--net/ipv4/sysctl_net_ipv4.c6
-rw-r--r--net/ipv4/tcp.c2
-rw-r--r--net/ipv4/tcp_ipv4.c4
-rw-r--r--net/ipv4/tcp_minisocks.c2
-rw-r--r--net/ipv4/tcp_output.c42
-rw-r--r--net/ipv6/ip6_tunnel.c7
-rw-r--r--net/ipv6/sit.c3
-rw-r--r--net/l2tp/l2tp_ip.c6
-rw-r--r--net/mac80211/rx.c6
-rw-r--r--net/mac80211/tx.c7
-rw-r--r--net/unix/af_unix.c37
-rw-r--r--net/unix/garbage.c9
-rw-r--r--net/x25/x25_link.c1
-rw-r--r--net/xfrm/xfrm_hash.c2
25 files changed, 163 insertions, 128 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index d0927d1fdada..66b9e5c0523a 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -882,7 +882,7 @@ static int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
int lm = 0;
if (type != SCO_LINK && type != ESCO_LINK)
- return 0;
+ return -EINVAL;
BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr));
@@ -908,7 +908,7 @@ static int sco_connect_cfm(struct hci_conn *hcon, __u8 status)
BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status);
if (hcon->type != SCO_LINK && hcon->type != ESCO_LINK)
- return 0;
+ return -EINVAL;
if (!status) {
struct sco_conn *conn;
@@ -927,7 +927,7 @@ static int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason)
BT_DBG("hcon %p reason %d", hcon, reason);
if (hcon->type != SCO_LINK && hcon->type != ESCO_LINK)
- return 0;
+ return -EINVAL;
sco_conn_del(hcon, bt_err(reason));
diff --git a/net/ceph/Makefile b/net/ceph/Makefile
index 153bdec40835..e87ef435e11b 100644
--- a/net/ceph/Makefile
+++ b/net/ceph/Makefile
@@ -1,9 +1,6 @@
#
# Makefile for CEPH filesystem.
#
-
-ifneq ($(KERNELRELEASE),)
-
obj-$(CONFIG_CEPH_LIB) += libceph.o
libceph-y := ceph_common.o messenger.o msgpool.o buffer.o pagelist.o \
@@ -16,22 +13,3 @@ libceph-y := ceph_common.o messenger.o msgpool.o buffer.o pagelist.o \
ceph_fs.o ceph_strings.o ceph_hash.o \
pagevec.o
-else
-#Otherwise we were called directly from the command
-# line; invoke the kernel build system.
-
-KERNELDIR ?= /lib/modules/$(shell uname -r)/build
-PWD := $(shell pwd)
-
-default: all
-
-all:
- $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_CEPH_LIB=m modules
-
-modules_install:
- $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_CEPH_LIB=m modules_install
-
-clean:
- $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
-
-endif
diff --git a/net/ceph/buffer.c b/net/ceph/buffer.c
index 53d8abfa25d5..bf3e6a13c215 100644
--- a/net/ceph/buffer.c
+++ b/net/ceph/buffer.c
@@ -19,7 +19,7 @@ struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp)
if (b->vec.iov_base) {
b->is_vmalloc = false;
} else {
- b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL);
+ b->vec.iov_base = __vmalloc(len, gfp | __GFP_HIGHMEM, PAGE_KERNEL);
if (!b->vec.iov_base) {
kfree(b);
return NULL;
diff --git a/net/core/filter.c b/net/core/filter.c
index 25500f16a18a..e193e29d4671 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -615,23 +615,16 @@ int sk_chk_filter(struct sock_filter *filter, int flen)
EXPORT_SYMBOL(sk_chk_filter);
/**
- * sk_filter_rcu_release - Release a socket filter by rcu_head
+ * sk_filter_release_rcu - Release a socket filter by rcu_head
* @rcu: rcu_head that contains the sk_filter to free
*/
-static void sk_filter_rcu_release(struct rcu_head *rcu)
+void sk_filter_release_rcu(struct rcu_head *rcu)
{
struct sk_filter *fp = container_of(rcu, struct sk_filter, rcu);
- sk_filter_release(fp);
-}
-
-static void sk_filter_delayed_uncharge(struct sock *sk, struct sk_filter *fp)
-{
- unsigned int size = sk_filter_len(fp);
-
- atomic_sub(size, &sk->sk_omem_alloc);
- call_rcu_bh(&fp->rcu, sk_filter_rcu_release);
+ kfree(fp);
}
+EXPORT_SYMBOL(sk_filter_release_rcu);
/**
* sk_attach_filter - attach a socket filter
@@ -675,7 +668,7 @@ int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk)
rcu_assign_pointer(sk->sk_filter, fp);
if (old_fp)
- sk_filter_delayed_uncharge(sk, old_fp);
+ sk_filter_uncharge(sk, old_fp);
return 0;
}
EXPORT_SYMBOL_GPL(sk_attach_filter);
@@ -689,7 +682,7 @@ int sk_detach_filter(struct sock *sk)
sock_owned_by_user(sk));
if (filter) {
rcu_assign_pointer(sk->sk_filter, NULL);
- sk_filter_delayed_uncharge(sk, filter);
+ sk_filter_uncharge(sk, filter);
ret = 0;
}
return ret;
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index 41d99435f62d..182236b2510a 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -46,9 +46,7 @@ int reqsk_queue_alloc(struct request_sock_queue *queue,
nr_table_entries = roundup_pow_of_two(nr_table_entries + 1);
lopt_size += nr_table_entries * sizeof(struct request_sock *);
if (lopt_size > PAGE_SIZE)
- lopt = __vmalloc(lopt_size,
- GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
- PAGE_KERNEL);
+ lopt = vzalloc(lopt_size);
else
lopt = kzalloc(lopt_size, GFP_KERNEL);
if (lopt == NULL)
diff --git a/net/dccp/input.c b/net/dccp/input.c
index 7d230d14ce22..15af247ea007 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -241,7 +241,8 @@ static int dccp_check_seqno(struct sock *sk, struct sk_buff *skb)
dccp_update_gsr(sk, seqno);
if (dh->dccph_type != DCCP_PKT_SYNC &&
- (ackno != DCCP_PKT_WITHOUT_ACK_SEQ))
+ ackno != DCCP_PKT_WITHOUT_ACK_SEQ &&
+ after48(ackno, dp->dccps_gar))
dp->dccps_gar = ackno;
} else {
unsigned long now = jiffies;
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 9ecef9968c39..0065e7e14af4 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1556,6 +1556,8 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us
if (r_len > sizeof(struct linkinfo_dn))
r_len = sizeof(struct linkinfo_dn);
+ memset(&link, 0, sizeof(link));
+
switch(sock->state) {
case SS_CONNECTING:
link.idn_linkstate = LL_CONNECTING;
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index f8c1ae4b41f0..f180371fa415 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -31,6 +31,7 @@
#include <linux/skbuff.h>
#include <linux/udp.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
#include <net/sock.h>
#include <net/inet_common.h>
#include <linux/stat.h>
@@ -276,12 +277,12 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
#endif
#ifdef CONFIG_ECONET_AUNUDP
struct msghdr udpmsg;
- struct iovec iov[msg->msg_iovlen+1];
+ struct iovec iov[2];
struct aunhdr ah;
struct sockaddr_in udpdest;
__kernel_size_t size;
- int i;
mm_segment_t oldfs;
+ char *userbuf;
#endif
/*
@@ -297,23 +298,14 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
mutex_lock(&econet_mutex);
- if (saddr == NULL) {
- struct econet_sock *eo = ec_sk(sk);
-
- addr.station = eo->station;
- addr.net = eo->net;
- port = eo->port;
- cb = eo->cb;
- } else {
- if (msg->msg_namelen < sizeof(struct sockaddr_ec)) {
- mutex_unlock(&econet_mutex);
- return -EINVAL;
- }
- addr.station = saddr->addr.station;
- addr.net = saddr->addr.net;
- port = saddr->port;
- cb = saddr->cb;
- }
+ if (saddr == NULL || msg->msg_namelen < sizeof(struct sockaddr_ec)) {
+ mutex_unlock(&econet_mutex);
+ return -EINVAL;
+ }
+ addr.station = saddr->addr.station;
+ addr.net = saddr->addr.net;
+ port = saddr->port;
+ cb = saddr->cb;
/* Look for a device with the right network number. */
dev = net2dev_map[addr.net];
@@ -328,17 +320,17 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
}
}
- if (len + 15 > dev->mtu) {
- mutex_unlock(&econet_mutex);
- return -EMSGSIZE;
- }
-
if (dev->type == ARPHRD_ECONET) {
/* Real hardware Econet. We're not worthy etc. */
#ifdef CONFIG_ECONET_NATIVE
unsigned short proto = 0;
int res;
+ if (len + 15 > dev->mtu) {
+ mutex_unlock(&econet_mutex);
+ return -EMSGSIZE;
+ }
+
dev_hold(dev);
skb = sock_alloc_send_skb(sk, len+LL_ALLOCATED_SPACE(dev),
@@ -351,7 +343,6 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
eb = (struct ec_cb *)&skb->cb;
- /* BUG: saddr may be NULL */
eb->cookie = saddr->cookie;
eb->sec = *saddr;
eb->sent = ec_tx_done;
@@ -415,6 +406,11 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
return -ENETDOWN; /* No socket - can't send */
}
+ if (len > 32768) {
+ err = -E2BIG;
+ goto error;
+ }
+
/* Make up a UDP datagram and hand it off to some higher intellect. */
memset(&udpdest, 0, sizeof(udpdest));
@@ -446,36 +442,26 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
/* tack our header on the front of the iovec */
size = sizeof(struct aunhdr);
- /*
- * XXX: that is b0rken. We can't mix userland and kernel pointers
- * in iovec, since on a lot of platforms copy_from_user() will
- * *not* work with the kernel and userland ones at the same time,
- * regardless of what we do with set_fs(). And we are talking about
- * econet-over-ethernet here, so "it's only ARM anyway" doesn't
- * apply. Any suggestions on fixing that code? -- AV
- */
iov[0].iov_base = (void *)&ah;
iov[0].iov_len = size;
- for (i = 0; i < msg->msg_iovlen; i++) {
- void __user *base = msg->msg_iov[i].iov_base;
- size_t iov_len = msg->msg_iov[i].iov_len;
- /* Check it now since we switch to KERNEL_DS later. */
- if (!access_ok(VERIFY_READ, base, iov_len)) {
- mutex_unlock(&econet_mutex);
- return -EFAULT;
- }
- iov[i+1].iov_base = base;
- iov[i+1].iov_len = iov_len;
- size += iov_len;
+
+ userbuf = vmalloc(len);
+ if (userbuf == NULL) {
+ err = -ENOMEM;
+ goto error;
}
+ iov[1].iov_base = userbuf;
+ iov[1].iov_len = len;
+ err = memcpy_fromiovec(userbuf, msg->msg_iov, len);
+ if (err)
+ goto error_free_buf;
+
/* Get a skbuff (no data, just holds our cb information) */
if ((skb = sock_alloc_send_skb(sk, 0,
msg->msg_flags & MSG_DONTWAIT,
- &err)) == NULL) {
- mutex_unlock(&econet_mutex);
- return err;
- }
+ &err)) == NULL)
+ goto error_free_buf;
eb = (struct ec_cb *)&skb->cb;
@@ -491,7 +477,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
udpmsg.msg_name = (void *)&udpdest;
udpmsg.msg_namelen = sizeof(udpdest);
udpmsg.msg_iov = &iov[0];
- udpmsg.msg_iovlen = msg->msg_iovlen + 1;
+ udpmsg.msg_iovlen = 2;
udpmsg.msg_control = NULL;
udpmsg.msg_controllen = 0;
udpmsg.msg_flags=0;
@@ -499,9 +485,13 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
oldfs = get_fs(); set_fs(KERNEL_DS); /* More privs :-) */
err = sock_sendmsg(udpsock, &udpmsg, size);
set_fs(oldfs);
+
+error_free_buf:
+ vfree(userbuf);
#else
err = -EPROTOTYPE;
#endif
+ error:
mutex_unlock(&econet_mutex);
return err;
@@ -671,6 +661,11 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
err = 0;
switch (cmd) {
case SIOCSIFADDR:
+ if (!capable(CAP_NET_ADMIN)) {
+ err = -EPERM;
+ break;
+ }
+
edev = dev->ec_ptr;
if (edev == NULL) {
/* Magic up a new one. */
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 200eb538fbb3..0f280348e0fd 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -365,7 +365,7 @@ static struct tnode *tnode_alloc(size_t size)
if (size <= PAGE_SIZE)
return kzalloc(size, GFP_KERNEL);
else
- return __vmalloc(size, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
+ return vzalloc(size);
}
static void __tnode_vfree(struct work_struct *arg)
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 1b344f30b463..3c0369a3a663 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -133,8 +133,7 @@ int __inet_inherit_port(struct sock *sk, struct sock *child)
}
}
}
- sk_add_bind_node(child, &tb->owners);
- inet_csk(child)->icsk_bind_hash = tb;
+ inet_bind_hash(child, tb, port);
spin_unlock(&head->lock);
return 0;
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 1b48eb1ed453..b14ec7d03b6e 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -253,6 +253,7 @@ static const struct snmp_mib snmp4_net_list[] = {
SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP),
SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP),
SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER),
+ SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW),
SNMP_MIB_SENTINEL
};
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index e91911d7aae2..1b4ec21497a4 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -26,6 +26,8 @@ static int zero;
static int tcp_retr1_max = 255;
static int ip_local_port_range_min[] = { 1, 1 };
static int ip_local_port_range_max[] = { 65535, 65535 };
+static int tcp_adv_win_scale_min = -31;
+static int tcp_adv_win_scale_max = 31;
/* Update system visible IP port range */
static void set_local_port_range(int range[2])
@@ -426,7 +428,9 @@ static struct ctl_table ipv4_table[] = {
.data = &sysctl_tcp_adv_win_scale,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &tcp_adv_win_scale_min,
+ .extra2 = &tcp_adv_win_scale_max,
},
{
.procname = "tcp_tw_reuse",
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 2bb46d55f40c..6c11eece262c 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2244,7 +2244,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
/* Values greater than interface MTU won't take effect. However
* at the point when this call is done we typically don't yet
* know which interface is going to be used */
- if (val < 64 || val > MAX_TCP_WINDOW) {
+ if (val < TCP_MIN_MSS || val > MAX_TCP_WINDOW) {
err = -EINVAL;
break;
}
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index dd555051ec8b..4fc3387aa994 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2013,7 +2013,9 @@ get_req:
}
get_sk:
sk_nulls_for_each_from(sk, node) {
- if (sk->sk_family == st->family && net_eq(sock_net(sk), net)) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (sk->sk_family == st->family) {
cur = sk;
goto out;
}
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 3527b51d6159..80b1f80759ab 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -392,7 +392,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
* socket up. We've got bigger problems than
* non-graceful socket closings.
*/
- LIMIT_NETDEBUG(KERN_INFO "TCP: time wait bucket table overflow\n");
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPTIMEWAITOVERFLOW);
}
tcp_update_metrics(sk);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 749b6498588e..97041f24cd27 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -231,11 +231,10 @@ void tcp_select_initial_window(int __space, __u32 mss,
/* when initializing use the value from init_rcv_wnd
* rather than the default from above
*/
- if (init_rcv_wnd &&
- (*rcv_wnd > init_rcv_wnd * mss))
- *rcv_wnd = init_rcv_wnd * mss;
- else if (*rcv_wnd > init_cwnd * mss)
- *rcv_wnd = init_cwnd * mss;
+ if (init_rcv_wnd)
+ *rcv_wnd = min(*rcv_wnd, init_rcv_wnd * mss);
+ else
+ *rcv_wnd = min(*rcv_wnd, init_cwnd * mss);
}
/* Set the clamp no higher than max representable value */
@@ -386,27 +385,30 @@ struct tcp_out_options {
*/
static u8 tcp_cookie_size_check(u8 desired)
{
- if (desired > 0) {
+ int cookie_size;
+
+ if (desired > 0)
/* previously specified */
return desired;
- }
- if (sysctl_tcp_cookie_size <= 0) {
+
+ cookie_size = ACCESS_ONCE(sysctl_tcp_cookie_size);
+ if (cookie_size <= 0)
/* no default specified */
return 0;
- }
- if (sysctl_tcp_cookie_size <= TCP_COOKIE_MIN) {
+
+ if (cookie_size <= TCP_COOKIE_MIN)
/* value too small, specify minimum */
return TCP_COOKIE_MIN;
- }
- if (sysctl_tcp_cookie_size >= TCP_COOKIE_MAX) {
+
+ if (cookie_size >= TCP_COOKIE_MAX)
/* value too large, specify maximum */
return TCP_COOKIE_MAX;
- }
- if (0x1 & sysctl_tcp_cookie_size) {
+
+ if (cookie_size & 1)
/* 8-bit multiple, illegal, fix it */
- return (u8)(sysctl_tcp_cookie_size + 0x1);
- }
- return (u8)sysctl_tcp_cookie_size;
+ cookie_size++;
+
+ return (u8)cookie_size;
}
/* Write previously computed TCP options to the packet.
@@ -1516,6 +1518,7 @@ static int tcp_tso_should_defer(struct sock *sk, struct sk_buff *skb)
struct tcp_sock *tp = tcp_sk(sk);
const struct inet_connection_sock *icsk = inet_csk(sk);
u32 send_win, cong_win, limit, in_flight;
+ int win_divisor;
if (TCP_SKB_CB(skb)->flags & TCPHDR_FIN)
goto send_now;
@@ -1547,13 +1550,14 @@ static int tcp_tso_should_defer(struct sock *sk, struct sk_buff *skb)
if ((skb != tcp_write_queue_tail(sk)) && (limit >= skb->len))
goto send_now;
- if (sysctl_tcp_tso_win_divisor) {
+ win_divisor = ACCESS_ONCE(sysctl_tcp_tso_win_divisor);
+ if (win_divisor) {
u32 chunk = min(tp->snd_wnd, tp->snd_cwnd * tp->mss_cache);
/* If at least some fraction of a window is available,
* just use it.
*/
- chunk /= sysctl_tcp_tso_win_divisor;
+ chunk /= win_divisor;
if (limit >= chunk)
goto send_now;
} else {
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index b1155554bb18..4f4483e697bd 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1173,6 +1173,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
sizeof (struct ipv6hdr);
dev->mtu = rt->rt6i_dev->mtu - sizeof (struct ipv6hdr);
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ dev->mtu-=8;
if (dev->mtu < IPV6_MIN_MTU)
dev->mtu = IPV6_MIN_MTU;
@@ -1361,12 +1363,17 @@ static const struct net_device_ops ip6_tnl_netdev_ops = {
static void ip6_tnl_dev_setup(struct net_device *dev)
{
+ struct ip6_tnl *t;
+
dev->netdev_ops = &ip6_tnl_netdev_ops;
dev->destructor = ip6_dev_free;
dev->type = ARPHRD_TUNNEL6;
dev->hard_header_len = LL_MAX_HEADER + sizeof (struct ipv6hdr);
dev->mtu = ETH_DATA_LEN - sizeof (struct ipv6hdr);
+ t = netdev_priv(dev);
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ dev->mtu-=8;
dev->flags |= IFF_NOARP;
dev->addr_len = sizeof(struct in6_addr);
dev->features |= NETIF_F_NETNS_LOCAL;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 6e48a80d0f25..8ce38f10a547 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -606,8 +606,9 @@ static int ipip6_rcv(struct sk_buff *skb)
return 0;
}
- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
+ /* no tunnel matched, let upstream know, ipsec may handle it */
rcu_read_unlock();
+ return 1;
out:
kfree_skb(skb);
return 0;
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 04635e88e8ed..110efb704c9b 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -672,4 +672,8 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("James Chapman <jchapman@katalix.com>");
MODULE_DESCRIPTION("L2TP over IP");
MODULE_VERSION("1.0");
-MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET, SOCK_DGRAM, IPPROTO_L2TP);
+
+/* Use the value of SOCK_DGRAM (2) directory, because __stringify does't like
+ * enums
+ */
+MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET, 2, IPPROTO_L2TP);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index d2fcd22ab06d..55337709de41 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2245,6 +2245,10 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
break;
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
+ if (is_multicast_ether_addr(mgmt->da) &&
+ !is_broadcast_ether_addr(mgmt->da))
+ return RX_DROP_MONITOR;
+
/* process only for station */
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return RX_DROP_MONITOR;
@@ -2739,6 +2743,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
if (ieee80211_prepare_and_rx_handle(&rx, skb, true))
return;
+ goto out;
}
}
@@ -2778,6 +2783,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
return;
}
+ out:
dev_kfree_skb(skb);
}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e69483647f33..2ba742656825 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1595,7 +1595,12 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
list) {
if (!ieee80211_sdata_running(tmp_sdata))
continue;
- if (tmp_sdata->vif.type != NL80211_IFTYPE_AP)
+ if (tmp_sdata->vif.type ==
+ NL80211_IFTYPE_MONITOR ||
+ tmp_sdata->vif.type ==
+ NL80211_IFTYPE_AP_VLAN ||
+ tmp_sdata->vif.type ==
+ NL80211_IFTYPE_WDS)
continue;
if (compare_ether_addr(tmp_sdata->vif.addr,
hdr->addr2) == 0) {
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 7ff31c60186a..417d7a6c36cf 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1344,9 +1344,25 @@ static void unix_destruct_scm(struct sk_buff *skb)
sock_wfree(skb);
}
+#define MAX_RECURSION_LEVEL 4
+
static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)
{
int i;
+ unsigned char max_level = 0;
+ int unix_sock_count = 0;
+
+ for (i = scm->fp->count - 1; i >= 0; i--) {
+ struct sock *sk = unix_get_socket(scm->fp->fp[i]);
+
+ if (sk) {
+ unix_sock_count++;
+ max_level = max(max_level,
+ unix_sk(sk)->recursion_level);
+ }
+ }
+ if (unlikely(max_level > MAX_RECURSION_LEVEL))
+ return -ETOOMANYREFS;
/*
* Need to duplicate file references for the sake of garbage
@@ -1357,9 +1373,11 @@ static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)
if (!UNIXCB(skb).fp)
return -ENOMEM;
- for (i = scm->fp->count-1; i >= 0; i--)
- unix_inflight(scm->fp->fp[i]);
- return 0;
+ if (unix_sock_count) {
+ for (i = scm->fp->count - 1; i >= 0; i--)
+ unix_inflight(scm->fp->fp[i]);
+ }
+ return max_level;
}
static int unix_scm_to_skb(struct scm_cookie *scm, struct sk_buff *skb, bool send_fds)
@@ -1394,6 +1412,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
struct sk_buff *skb;
long timeo;
struct scm_cookie tmp_scm;
+ int max_level;
if (NULL == siocb->scm)
siocb->scm = &tmp_scm;
@@ -1432,8 +1451,9 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
goto out;
err = unix_scm_to_skb(siocb->scm, skb, true);
- if (err)
+ if (err < 0)
goto out_free;
+ max_level = err + 1;
unix_get_secdata(siocb->scm, skb);
skb_reset_transport_header(skb);
@@ -1515,6 +1535,8 @@ restart:
if (sock_flag(other, SOCK_RCVTSTAMP))
__net_timestamp(skb);
skb_queue_tail(&other->sk_receive_queue, skb);
+ if (max_level > unix_sk(other)->recursion_level)
+ unix_sk(other)->recursion_level = max_level;
unix_state_unlock(other);
other->sk_data_ready(other, len);
sock_put(other);
@@ -1545,6 +1567,7 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
int sent = 0;
struct scm_cookie tmp_scm;
bool fds_sent = false;
+ int max_level;
if (NULL == siocb->scm)
siocb->scm = &tmp_scm;
@@ -1608,10 +1631,11 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
/* Only send the fds in the first buffer */
err = unix_scm_to_skb(siocb->scm, skb, !fds_sent);
- if (err) {
+ if (err < 0) {
kfree_skb(skb);
goto out_err;
}
+ max_level = err + 1;
fds_sent = true;
err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size);
@@ -1627,6 +1651,8 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
goto pipe_err_free;
skb_queue_tail(&other->sk_receive_queue, skb);
+ if (max_level > unix_sk(other)->recursion_level)
+ unix_sk(other)->recursion_level = max_level;
unix_state_unlock(other);
other->sk_data_ready(other, size);
sent += size;
@@ -1847,6 +1873,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
unix_state_lock(sk);
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb == NULL) {
+ unix_sk(sk)->recursion_level = 0;
if (copied >= target)
goto unlock;
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index c8df6fda0b1f..f89f83bf828e 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -96,7 +96,7 @@ static DECLARE_WAIT_QUEUE_HEAD(unix_gc_wait);
unsigned int unix_tot_inflight;
-static struct sock *unix_get_socket(struct file *filp)
+struct sock *unix_get_socket(struct file *filp)
{
struct sock *u_sock = NULL;
struct inode *inode = filp->f_path.dentry->d_inode;
@@ -259,9 +259,16 @@ static void inc_inflight_move_tail(struct unix_sock *u)
}
static bool gc_in_progress = false;
+#define UNIX_INFLIGHT_TRIGGER_GC 16000
void wait_for_unix_gc(void)
{
+ /*
+ * If number of inflight sockets is insane,
+ * force a garbage collect right now.
+ */
+ if (unix_tot_inflight > UNIX_INFLIGHT_TRIGGER_GC && !gc_in_progress)
+ unix_gc();
wait_event(unix_gc_wait, gc_in_progress == false);
}
diff --git a/net/x25/x25_link.c b/net/x25/x25_link.c
index 4c81f6abb65b..4cbc942f762a 100644
--- a/net/x25/x25_link.c
+++ b/net/x25/x25_link.c
@@ -398,6 +398,7 @@ void __exit x25_link_free(void)
list_for_each_safe(entry, tmp, &x25_neigh_list) {
nb = list_entry(entry, struct x25_neigh, node);
__x25_remove_neigh(nb);
+ dev_put(nb->dev);
}
write_unlock_bh(&x25_neigh_list_lock);
}
diff --git a/net/xfrm/xfrm_hash.c b/net/xfrm/xfrm_hash.c
index a2023ec52329..1e98bc0fe0a5 100644
--- a/net/xfrm/xfrm_hash.c
+++ b/net/xfrm/xfrm_hash.c
@@ -19,7 +19,7 @@ struct hlist_head *xfrm_hash_alloc(unsigned int sz)
if (sz <= PAGE_SIZE)
n = kzalloc(sz, GFP_KERNEL);
else if (hashdist)
- n = __vmalloc(sz, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
+ n = vzalloc(sz);
else
n = (struct hlist_head *)
__get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 10:39:09 +0000