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Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c19
-rw-r--r--net/core/dev_addr_lists.c6
-rw-r--r--net/core/flow.c2
-rw-r--r--net/core/flow_dissector.c2
-rw-r--r--net/core/pktgen.c42
-rw-r--r--net/core/rtnetlink.c11
-rw-r--r--net/core/scm.c4
7 files changed, 50 insertions, 36 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index a06a7a5..b24ab0e9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1545,7 +1545,6 @@ void net_enable_timestamp(void)
return;
}
#endif
- WARN_ON(in_interrupt());
static_key_slow_inc(&netstamp_needed);
}
EXPORT_SYMBOL(net_enable_timestamp);
@@ -1625,7 +1624,6 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
}
skb_orphan(skb);
- nf_reset(skb);
if (unlikely(!is_skb_forwardable(dev, skb))) {
atomic_long_inc(&dev->rx_dropped);
@@ -1641,6 +1639,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
skb->mark = 0;
secpath_reset(skb);
nf_reset(skb);
+ nf_reset_trace(skb);
return netif_rx(skb);
}
EXPORT_SYMBOL_GPL(dev_forward_skb);
@@ -2149,6 +2148,9 @@ static void skb_warn_bad_offload(const struct sk_buff *skb)
struct net_device *dev = skb->dev;
const char *driver = "";
+ if (!net_ratelimit())
+ return;
+
if (dev && dev->dev.parent)
driver = dev_driver_string(dev->dev.parent);
@@ -2219,9 +2221,9 @@ struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb,
struct sk_buff *segs = ERR_PTR(-EPROTONOSUPPORT);
struct packet_offload *ptype;
__be16 type = skb->protocol;
+ int vlan_depth = ETH_HLEN;
while (type == htons(ETH_P_8021Q)) {
- int vlan_depth = ETH_HLEN;
struct vlan_hdr *vh;
if (unlikely(!pskb_may_pull(skb, vlan_depth + VLAN_HLEN)))
@@ -3315,6 +3317,7 @@ int netdev_rx_handler_register(struct net_device *dev,
if (dev->rx_handler)
return -EBUSY;
+ /* Note: rx_handler_data must be set before rx_handler */
rcu_assign_pointer(dev->rx_handler_data, rx_handler_data);
rcu_assign_pointer(dev->rx_handler, rx_handler);
@@ -3335,6 +3338,11 @@ void netdev_rx_handler_unregister(struct net_device *dev)
ASSERT_RTNL();
RCU_INIT_POINTER(dev->rx_handler, NULL);
+ /* a reader seeing a non NULL rx_handler in a rcu_read_lock()
+ * section has a guarantee to see a non NULL rx_handler_data
+ * as well.
+ */
+ synchronize_net();
RCU_INIT_POINTER(dev->rx_handler_data, NULL);
}
EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister);
@@ -3444,6 +3452,7 @@ ncls:
}
switch (rx_handler(&skb)) {
case RX_HANDLER_CONSUMED:
+ ret = NET_RX_SUCCESS;
goto unlock;
case RX_HANDLER_ANOTHER:
goto another_round;
@@ -4103,7 +4112,7 @@ static void net_rx_action(struct softirq_action *h)
* Allow this to run for 2 jiffies since which will allow
* an average latency of 1.5/HZ.
*/
- if (unlikely(budget <= 0 || time_after(jiffies, time_limit)))
+ if (unlikely(budget <= 0 || time_after_eq(jiffies, time_limit)))
goto softnet_break;
local_irq_enable();
@@ -4780,7 +4789,7 @@ EXPORT_SYMBOL(dev_set_mac_address);
/**
* dev_change_carrier - Change device carrier
* @dev: device
- * @new_carries: new value
+ * @new_carrier: new value
*
* Change device carrier
*/
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index bd2eb9d..abdc9e6 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -37,7 +37,7 @@ static int __hw_addr_create_ex(struct netdev_hw_addr_list *list,
ha->type = addr_type;
ha->refcount = 1;
ha->global_use = global;
- ha->synced = false;
+ ha->synced = 0;
list_add_tail_rcu(&ha->list, &list->list);
list->count++;
@@ -165,7 +165,7 @@ int __hw_addr_sync(struct netdev_hw_addr_list *to_list,
addr_len, ha->type);
if (err)
break;
- ha->synced = true;
+ ha->synced++;
ha->refcount++;
} else if (ha->refcount == 1) {
__hw_addr_del(to_list, ha->addr, addr_len, ha->type);
@@ -186,7 +186,7 @@ void __hw_addr_unsync(struct netdev_hw_addr_list *to_list,
if (ha->synced) {
__hw_addr_del(to_list, ha->addr,
addr_len, ha->type);
- ha->synced = false;
+ ha->synced--;
__hw_addr_del(from_list, ha->addr,
addr_len, ha->type);
}
diff --git a/net/core/flow.c b/net/core/flow.c
index c56ea6f..2bfd081 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -328,7 +328,7 @@ static void flow_cache_flush_per_cpu(void *data)
struct flow_flush_info *info = data;
struct tasklet_struct *tasklet;
- tasklet = this_cpu_ptr(&info->cache->percpu->flush_tasklet);
+ tasklet = &this_cpu_ptr(info->cache->percpu)->flush_tasklet;
tasklet->data = (unsigned long)info;
tasklet_schedule(tasklet);
}
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 9d4c720..e187bf0 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -140,6 +140,8 @@ ipv6:
flow->ports = *ports;
}
+ flow->thoff = (u16) nhoff;
+
return true;
}
EXPORT_SYMBOL(skb_flow_dissect);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 6048fc1..5c21742 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2198,7 +2198,7 @@ static inline int f_pick(struct pktgen_dev *pkt_dev)
pkt_dev->curfl = 0; /*reset */
}
} else {
- flow = random32() % pkt_dev->cflows;
+ flow = prandom_u32() % pkt_dev->cflows;
pkt_dev->curfl = flow;
if (pkt_dev->flows[flow].count > pkt_dev->lflow) {
@@ -2246,7 +2246,7 @@ static void set_cur_queue_map(struct pktgen_dev *pkt_dev)
else if (pkt_dev->queue_map_min <= pkt_dev->queue_map_max) {
__u16 t;
if (pkt_dev->flags & F_QUEUE_MAP_RND) {
- t = random32() %
+ t = prandom_u32() %
(pkt_dev->queue_map_max -
pkt_dev->queue_map_min + 1)
+ pkt_dev->queue_map_min;
@@ -2278,7 +2278,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
__u32 tmp;
if (pkt_dev->flags & F_MACSRC_RND)
- mc = random32() % pkt_dev->src_mac_count;
+ mc = prandom_u32() % pkt_dev->src_mac_count;
else {
mc = pkt_dev->cur_src_mac_offset++;
if (pkt_dev->cur_src_mac_offset >=
@@ -2304,7 +2304,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
__u32 tmp;
if (pkt_dev->flags & F_MACDST_RND)
- mc = random32() % pkt_dev->dst_mac_count;
+ mc = prandom_u32() % pkt_dev->dst_mac_count;
else {
mc = pkt_dev->cur_dst_mac_offset++;
@@ -2331,21 +2331,21 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
for (i = 0; i < pkt_dev->nr_labels; i++)
if (pkt_dev->labels[i] & MPLS_STACK_BOTTOM)
pkt_dev->labels[i] = MPLS_STACK_BOTTOM |
- ((__force __be32)random32() &
+ ((__force __be32)prandom_u32() &
htonl(0x000fffff));
}
if ((pkt_dev->flags & F_VID_RND) && (pkt_dev->vlan_id != 0xffff)) {
- pkt_dev->vlan_id = random32() & (4096-1);
+ pkt_dev->vlan_id = prandom_u32() & (4096 - 1);
}
if ((pkt_dev->flags & F_SVID_RND) && (pkt_dev->svlan_id != 0xffff)) {
- pkt_dev->svlan_id = random32() & (4096 - 1);
+ pkt_dev->svlan_id = prandom_u32() & (4096 - 1);
}
if (pkt_dev->udp_src_min < pkt_dev->udp_src_max) {
if (pkt_dev->flags & F_UDPSRC_RND)
- pkt_dev->cur_udp_src = random32() %
+ pkt_dev->cur_udp_src = prandom_u32() %
(pkt_dev->udp_src_max - pkt_dev->udp_src_min)
+ pkt_dev->udp_src_min;
@@ -2358,7 +2358,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (pkt_dev->udp_dst_min < pkt_dev->udp_dst_max) {
if (pkt_dev->flags & F_UDPDST_RND) {
- pkt_dev->cur_udp_dst = random32() %
+ pkt_dev->cur_udp_dst = prandom_u32() %
(pkt_dev->udp_dst_max - pkt_dev->udp_dst_min)
+ pkt_dev->udp_dst_min;
} else {
@@ -2375,7 +2375,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (imn < imx) {
__u32 t;
if (pkt_dev->flags & F_IPSRC_RND)
- t = random32() % (imx - imn) + imn;
+ t = prandom_u32() % (imx - imn) + imn;
else {
t = ntohl(pkt_dev->cur_saddr);
t++;
@@ -2396,17 +2396,15 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
__be32 s;
if (pkt_dev->flags & F_IPDST_RND) {
- t = random32() % (imx - imn) + imn;
- s = htonl(t);
-
- while (ipv4_is_loopback(s) ||
- ipv4_is_multicast(s) ||
- ipv4_is_lbcast(s) ||
- ipv4_is_zeronet(s) ||
- ipv4_is_local_multicast(s)) {
- t = random32() % (imx - imn) + imn;
+ do {
+ t = prandom_u32() %
+ (imx - imn) + imn;
s = htonl(t);
- }
+ } while (ipv4_is_loopback(s) ||
+ ipv4_is_multicast(s) ||
+ ipv4_is_lbcast(s) ||
+ ipv4_is_zeronet(s) ||
+ ipv4_is_local_multicast(s));
pkt_dev->cur_daddr = s;
} else {
t = ntohl(pkt_dev->cur_daddr);
@@ -2437,7 +2435,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
for (i = 0; i < 4; i++) {
pkt_dev->cur_in6_daddr.s6_addr32[i] =
- (((__force __be32)random32() |
+ (((__force __be32)prandom_u32() |
pkt_dev->min_in6_daddr.s6_addr32[i]) &
pkt_dev->max_in6_daddr.s6_addr32[i]);
}
@@ -2447,7 +2445,7 @@ static void mod_cur_headers(struct pktgen_dev *pkt_dev)
if (pkt_dev->min_pkt_size < pkt_dev->max_pkt_size) {
__u32 t;
if (pkt_dev->flags & F_TXSIZE_RND) {
- t = random32() %
+ t = prandom_u32() %
(pkt_dev->max_pkt_size - pkt_dev->min_pkt_size)
+ pkt_dev->min_pkt_size;
} else {
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b376410..23854b5 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -496,8 +496,10 @@ static int rtnl_link_fill(struct sk_buff *skb, const struct net_device *dev)
}
if (ops->fill_info) {
data = nla_nest_start(skb, IFLA_INFO_DATA);
- if (data == NULL)
+ if (data == NULL) {
+ err = -EMSGSIZE;
goto err_cancel_link;
+ }
err = ops->fill_info(skb, dev);
if (err < 0)
goto err_cancel_data;
@@ -979,6 +981,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
* report anything.
*/
ivi.spoofchk = -1;
+ memset(ivi.mac, 0, sizeof(ivi.mac));
if (dev->netdev_ops->ndo_get_vf_config(dev, i, &ivi))
break;
vf_mac.vf =
@@ -1069,7 +1072,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
rcu_read_lock();
cb->seq = net->dev_base_seq;
- if (nlmsg_parse(cb->nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+ if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
ifla_policy) >= 0) {
if (tb[IFLA_EXT_MASK])
@@ -1919,7 +1922,7 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
u32 ext_filter_mask = 0;
u16 min_ifinfo_dump_size = 0;
- if (nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+ if (nlmsg_parse(nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
ifla_policy) >= 0) {
if (tb[IFLA_EXT_MASK])
ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);
@@ -2620,7 +2623,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
struct rtattr *attr = (void *)nlh + NLMSG_ALIGN(min_len);
while (RTA_OK(attr, attrlen)) {
- unsigned int flavor = attr->rta_type;
+ unsigned int flavor = attr->rta_type & NLA_TYPE_MASK;
if (flavor) {
if (flavor > rta_max[sz_idx])
return -EINVAL;
diff --git a/net/core/scm.c b/net/core/scm.c
index 905dcc6..2dc6cda 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -24,6 +24,7 @@
#include <linux/interrupt.h>
#include <linux/netdevice.h>
#include <linux/security.h>
+#include <linux/pid_namespace.h>
#include <linux/pid.h>
#include <linux/nsproxy.h>
#include <linux/slab.h>
@@ -52,7 +53,8 @@ static __inline__ int scm_check_creds(struct ucred *creds)
if (!uid_valid(uid) || !gid_valid(gid))
return -EINVAL;
- if ((creds->pid == task_tgid_vnr(current) || nsown_capable(CAP_SYS_ADMIN)) &&
+ if ((creds->pid == task_tgid_vnr(current) ||
+ ns_capable(current->nsproxy->pid_ns->user_ns, CAP_SYS_ADMIN)) &&
((uid_eq(uid, cred->uid) || uid_eq(uid, cred->euid) ||
uid_eq(uid, cred->suid)) || nsown_capable(CAP_SETUID)) &&
((gid_eq(gid, cred->gid) || gid_eq(gid, cred->egid) ||
generated by cgit v0.10.2 at 2024-11-18 14:08:30 (GMT)