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-rw-r--r--net/bpfilter/bpfilter_kern.c76
-rw-r--r--net/bpfilter/bpfilter_umh_blob.S2
-rw-r--r--net/bridge/br_fdb.c5
-rw-r--r--net/bridge/br_forward.c10
-rw-r--r--net/bridge/br_netfilter_hooks.c2
-rw-r--r--net/bridge/br_netfilter_ipv6.c1
-rw-r--r--net/bridge/br_private.h1
-rw-r--r--net/bridge/br_vlan.c26
-rw-r--r--net/bridge/netfilter/ebtables.c6
-rw-r--r--net/bridge/netfilter/nft_reject_bridge.c1
-rw-r--r--net/can/gw.c30
-rw-r--r--net/ceph/ceph_common.c11
-rw-r--r--net/ceph/debugfs.c2
-rw-r--r--net/ceph/osd_client.c4
-rw-r--r--net/core/filter.c34
-rw-r--r--net/core/lwt_bpf.c1
-rw-r--r--net/core/neighbour.c15
-rw-r--r--net/core/skbuff.c7
-rw-r--r--net/ipv4/bpfilter/sockopt.c58
-rw-r--r--net/ipv4/devinet.c2
-rw-r--r--net/ipv4/fib_frontend.c4
-rw-r--r--net/ipv4/fib_trie.c15
-rw-r--r--net/ipv4/fou.c12
-rw-r--r--net/ipv4/ip_gre.c23
-rw-r--r--net/ipv4/ip_input.c1
-rw-r--r--net/ipv4/ip_sockglue.c12
-rw-r--r--net/ipv4/tcp.c2
-rw-r--r--net/ipv4/tcp_timer.c2
-rw-r--r--net/ipv4/udp.c18
-rw-r--r--net/ipv4/udp_impl.h1
-rw-r--r--net/ipv4/udplite.c1
-rw-r--r--net/ipv6/addrconf.c2
-rw-r--r--net/ipv6/af_inet6.c14
-rw-r--r--net/ipv6/datagram.c11
-rw-r--r--net/ipv6/fou6.c17
-rw-r--r--net/ipv6/icmp.c8
-rw-r--r--net/ipv6/ip6_gre.c14
-rw-r--r--net/ipv6/route.c14
-rw-r--r--net/ipv6/udp.c26
-rw-r--r--net/ipv6/udp_impl.h1
-rw-r--r--net/ipv6/udplite.c1
-rw-r--r--net/netfilter/nf_flow_table_core.c5
-rw-r--r--net/netfilter/nf_tables_api.c14
-rw-r--r--net/netfilter/nft_flow_offload.c13
-rw-r--r--net/openvswitch/flow.c8
-rw-r--r--net/openvswitch/flow_netlink.c2
-rw-r--r--net/packet/af_packet.c7
-rw-r--r--net/rds/ib_send.c4
-rw-r--r--net/rds/message.c4
-rw-r--r--net/rds/rds.h4
-rw-r--r--net/rds/send.c2
-rw-r--r--net/rxrpc/af_rxrpc.c70
-rw-r--r--net/rxrpc/ar-internal.h19
-rw-r--r--net/rxrpc/call_object.c97
-rw-r--r--net/rxrpc/conn_client.c5
-rw-r--r--net/rxrpc/sendmsg.c24
-rw-r--r--net/sched/act_tunnel_key.c19
-rw-r--r--net/sched/cls_api.c3
-rw-r--r--net/sched/cls_flower.c19
-rw-r--r--net/sched/sch_cake.c5
-rw-r--r--net/sched/sch_cbs.c3
-rw-r--r--net/sched/sch_drr.c7
-rw-r--r--net/sched/sch_dsmark.c3
-rw-r--r--net/sched/sch_hfsc.c9
-rw-r--r--net/sched/sch_htb.c3
-rw-r--r--net/sched/sch_prio.c3
-rw-r--r--net/sched/sch_qfq.c20
-rw-r--r--net/sched/sch_tbf.c3
-rw-r--r--net/sctp/ipv6.c5
-rw-r--r--net/sctp/protocol.c4
-rw-r--r--net/smc/af_smc.c4
-rw-r--r--net/sunrpc/auth.c3
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c12
-rw-r--r--net/sunrpc/clnt.c20
-rw-r--r--net/sunrpc/xprt.c3
-rw-r--r--net/sunrpc/xprtrdma/verbs.c10
-rw-r--r--net/sunrpc/xprtsock.c22
-rw-r--r--net/tipc/netlink_compat.c54
-rw-r--r--net/tipc/topsrv.c2
-rw-r--r--net/xdp/xdp_umem.c16
80 files changed, 568 insertions, 455 deletions
diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
index 7acfc83087d5..7ee4fea93637 100644
--- a/net/bpfilter/bpfilter_kern.c
+++ b/net/bpfilter/bpfilter_kern.c
@@ -13,39 +13,24 @@
extern char bpfilter_umh_start;
extern char bpfilter_umh_end;
-static struct umh_info info;
-/* since ip_getsockopt() can run in parallel, serialize access to umh */
-static DEFINE_MUTEX(bpfilter_lock);
-
-static void shutdown_umh(struct umh_info *info)
+static void shutdown_umh(void)
{
struct task_struct *tsk;
- if (!info->pid)
+ if (bpfilter_ops.stop)
return;
- tsk = get_pid_task(find_vpid(info->pid), PIDTYPE_PID);
+
+ tsk = get_pid_task(find_vpid(bpfilter_ops.info.pid), PIDTYPE_PID);
if (tsk) {
force_sig(SIGKILL, tsk);
put_task_struct(tsk);
}
- fput(info->pipe_to_umh);
- fput(info->pipe_from_umh);
- info->pid = 0;
}
static void __stop_umh(void)
{
- if (IS_ENABLED(CONFIG_INET)) {
- bpfilter_process_sockopt = NULL;
- shutdown_umh(&info);
- }
-}
-
-static void stop_umh(void)
-{
- mutex_lock(&bpfilter_lock);
- __stop_umh();
- mutex_unlock(&bpfilter_lock);
+ if (IS_ENABLED(CONFIG_INET))
+ shutdown_umh();
}
static int __bpfilter_process_sockopt(struct sock *sk, int optname,
@@ -63,10 +48,10 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname,
req.cmd = optname;
req.addr = (long __force __user)optval;
req.len = optlen;
- mutex_lock(&bpfilter_lock);
- if (!info.pid)
+ if (!bpfilter_ops.info.pid)
goto out;
- n = __kernel_write(info.pipe_to_umh, &req, sizeof(req), &pos);
+ n = __kernel_write(bpfilter_ops.info.pipe_to_umh, &req, sizeof(req),
+ &pos);
if (n != sizeof(req)) {
pr_err("write fail %zd\n", n);
__stop_umh();
@@ -74,7 +59,8 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname,
goto out;
}
pos = 0;
- n = kernel_read(info.pipe_from_umh, &reply, sizeof(reply), &pos);
+ n = kernel_read(bpfilter_ops.info.pipe_from_umh, &reply, sizeof(reply),
+ &pos);
if (n != sizeof(reply)) {
pr_err("read fail %zd\n", n);
__stop_umh();
@@ -83,37 +69,59 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname,
}
ret = reply.status;
out:
- mutex_unlock(&bpfilter_lock);
return ret;
}
-static int __init load_umh(void)
+static int start_umh(void)
{
int err;
/* fork usermode process */
- info.cmdline = "bpfilter_umh";
err = fork_usermode_blob(&bpfilter_umh_start,
&bpfilter_umh_end - &bpfilter_umh_start,
- &info);
+ &bpfilter_ops.info);
if (err)
return err;
- pr_info("Loaded bpfilter_umh pid %d\n", info.pid);
+ bpfilter_ops.stop = false;
+ pr_info("Loaded bpfilter_umh pid %d\n", bpfilter_ops.info.pid);
/* health check that usermode process started correctly */
if (__bpfilter_process_sockopt(NULL, 0, NULL, 0, 0) != 0) {
- stop_umh();
+ shutdown_umh();
return -EFAULT;
}
- if (IS_ENABLED(CONFIG_INET))
- bpfilter_process_sockopt = &__bpfilter_process_sockopt;
return 0;
}
+static int __init load_umh(void)
+{
+ int err;
+
+ mutex_lock(&bpfilter_ops.lock);
+ if (!bpfilter_ops.stop) {
+ err = -EFAULT;
+ goto out;
+ }
+ err = start_umh();
+ if (!err && IS_ENABLED(CONFIG_INET)) {
+ bpfilter_ops.sockopt = &__bpfilter_process_sockopt;
+ bpfilter_ops.start = &start_umh;
+ }
+out:
+ mutex_unlock(&bpfilter_ops.lock);
+ return err;
+}
+
static void __exit fini_umh(void)
{
- stop_umh();
+ mutex_lock(&bpfilter_ops.lock);
+ if (IS_ENABLED(CONFIG_INET)) {
+ shutdown_umh();
+ bpfilter_ops.start = NULL;
+ bpfilter_ops.sockopt = NULL;
+ }
+ mutex_unlock(&bpfilter_ops.lock);
}
module_init(load_umh);
module_exit(fini_umh);
diff --git a/net/bpfilter/bpfilter_umh_blob.S b/net/bpfilter/bpfilter_umh_blob.S
index 40311d10d2f2..9ea6100dca87 100644
--- a/net/bpfilter/bpfilter_umh_blob.S
+++ b/net/bpfilter/bpfilter_umh_blob.S
@@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
- .section .init.rodata, "a"
+ .section .rodata, "a"
.global bpfilter_umh_start
bpfilter_umh_start:
.incbin "net/bpfilter/bpfilter_umh"
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index fe3c758791ca..9e14767500ea 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -1128,6 +1128,8 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
err = -ENOMEM;
goto err_unlock;
}
+ if (swdev_notify)
+ fdb->added_by_user = 1;
fdb->added_by_external_learn = 1;
fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
} else {
@@ -1147,6 +1149,9 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
modified = true;
}
+ if (swdev_notify)
+ fdb->added_by_user = 1;
+
if (modified)
fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
}
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 5372e2042adf..48ddc60b4fbd 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -36,10 +36,10 @@ static inline int should_deliver(const struct net_bridge_port *p,
int br_dev_queue_push_xmit(struct net *net, struct sock *sk, struct sk_buff *skb)
{
+ skb_push(skb, ETH_HLEN);
if (!is_skb_forwardable(skb->dev, skb))
goto drop;
- skb_push(skb, ETH_HLEN);
br_drop_fake_rtable(skb);
if (skb->ip_summed == CHECKSUM_PARTIAL &&
@@ -65,6 +65,7 @@ EXPORT_SYMBOL_GPL(br_dev_queue_push_xmit);
int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
{
+ skb->tstamp = 0;
return NF_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING,
net, sk, skb, NULL, skb->dev,
br_dev_queue_push_xmit);
@@ -97,12 +98,11 @@ static void __br_forward(const struct net_bridge_port *to,
net = dev_net(indev);
} else {
if (unlikely(netpoll_tx_running(to->br->dev))) {
- if (!is_skb_forwardable(skb->dev, skb)) {
+ skb_push(skb, ETH_HLEN);
+ if (!is_skb_forwardable(skb->dev, skb))
kfree_skb(skb);
- } else {
- skb_push(skb, ETH_HLEN);
+ else
br_netpoll_send_skb(to, skb);
- }
return;
}
br_hook = NF_BR_LOCAL_OUT;
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index d21a23698410..c93c35bb73dd 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -265,7 +265,7 @@ int br_nf_pre_routing_finish_bridge(struct net *net, struct sock *sk, struct sk_
struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb);
int ret;
- if (neigh->hh.hh_len) {
+ if ((neigh->nud_state & NUD_CONNECTED) && neigh->hh.hh_len) {
neigh_hh_bridge(&neigh->hh, skb);
skb->dev = nf_bridge->physindev;
ret = br_handle_frame_finish(net, sk, skb);
diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c
index 94039f588f1d..564710f88f93 100644
--- a/net/bridge/br_netfilter_ipv6.c
+++ b/net/bridge/br_netfilter_ipv6.c
@@ -131,6 +131,7 @@ int br_validate_ipv6(struct net *net, struct sk_buff *skb)
IPSTATS_MIB_INDISCARDS);
goto drop;
}
+ hdr = ipv6_hdr(skb);
}
if (hdr->nexthdr == NEXTHDR_HOP && br_nf_check_hbh_len(skb))
goto drop;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index d240b3e7919f..eabf8bf28a3f 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -107,6 +107,7 @@ struct br_tunnel_info {
/* private vlan flags */
enum {
BR_VLFLAG_PER_PORT_STATS = BIT(0),
+ BR_VLFLAG_ADDED_BY_SWITCHDEV = BIT(1),
};
/**
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 4a2f31157ef5..96abf8feb9dc 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -80,16 +80,18 @@ static bool __vlan_add_flags(struct net_bridge_vlan *v, u16 flags)
}
static int __vlan_vid_add(struct net_device *dev, struct net_bridge *br,
- u16 vid, u16 flags, struct netlink_ext_ack *extack)
+ struct net_bridge_vlan *v, u16 flags,
+ struct netlink_ext_ack *extack)
{
int err;
/* Try switchdev op first. In case it is not supported, fallback to
* 8021q add.
*/
- err = br_switchdev_port_vlan_add(dev, vid, flags, extack);
+ err = br_switchdev_port_vlan_add(dev, v->vid, flags, extack);
if (err == -EOPNOTSUPP)
- return vlan_vid_add(dev, br->vlan_proto, vid);
+ return vlan_vid_add(dev, br->vlan_proto, v->vid);
+ v->priv_flags |= BR_VLFLAG_ADDED_BY_SWITCHDEV;
return err;
}
@@ -121,19 +123,17 @@ static void __vlan_del_list(struct net_bridge_vlan *v)
}
static int __vlan_vid_del(struct net_device *dev, struct net_bridge *br,
- u16 vid)
+ const struct net_bridge_vlan *v)
{
int err;
/* Try switchdev op first. In case it is not supported, fallback to
* 8021q del.
*/
- err = br_switchdev_port_vlan_del(dev, vid);
- if (err == -EOPNOTSUPP) {
- vlan_vid_del(dev, br->vlan_proto, vid);
- return 0;
- }
- return err;
+ err = br_switchdev_port_vlan_del(dev, v->vid);
+ if (!(v->priv_flags & BR_VLFLAG_ADDED_BY_SWITCHDEV))
+ vlan_vid_del(dev, br->vlan_proto, v->vid);
+ return err == -EOPNOTSUPP ? 0 : err;
}
/* Returns a master vlan, if it didn't exist it gets created. In all cases a
@@ -242,7 +242,7 @@ static int __vlan_add(struct net_bridge_vlan *v, u16 flags,
* This ensures tagged traffic enters the bridge when
* promiscuous mode is disabled by br_manage_promisc().
*/
- err = __vlan_vid_add(dev, br, v->vid, flags, extack);
+ err = __vlan_vid_add(dev, br, v, flags, extack);
if (err)
goto out;
@@ -305,7 +305,7 @@ out_fdb_insert:
out_filt:
if (p) {
- __vlan_vid_del(dev, br, v->vid);
+ __vlan_vid_del(dev, br, v);
if (masterv) {
if (v->stats && masterv->stats != v->stats)
free_percpu(v->stats);
@@ -338,7 +338,7 @@ static int __vlan_del(struct net_bridge_vlan *v)
__vlan_delete_pvid(vg, v->vid);
if (p) {
- err = __vlan_vid_del(p->dev, p->br, v->vid);
+ err = __vlan_vid_del(p->dev, p->br, v);
if (err)
goto out;
} else {
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 491828713e0b..5e55cef0cec3 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1137,14 +1137,16 @@ static int do_replace(struct net *net, const void __user *user,
tmp.name[sizeof(tmp.name) - 1] = 0;
countersize = COUNTER_OFFSET(tmp.nentries) * nr_cpu_ids;
- newinfo = vmalloc(sizeof(*newinfo) + countersize);
+ newinfo = __vmalloc(sizeof(*newinfo) + countersize, GFP_KERNEL_ACCOUNT,
+ PAGE_KERNEL);
if (!newinfo)
return -ENOMEM;
if (countersize)
memset(newinfo->counters, 0, countersize);
- newinfo->entries = vmalloc(tmp.entries_size);
+ newinfo->entries = __vmalloc(tmp.entries_size, GFP_KERNEL_ACCOUNT,
+ PAGE_KERNEL);
if (!newinfo->entries) {
ret = -ENOMEM;
goto free_newinfo;
diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c
index 08cbed7d940e..419e8edf23ba 100644
--- a/net/bridge/netfilter/nft_reject_bridge.c
+++ b/net/bridge/netfilter/nft_reject_bridge.c
@@ -229,6 +229,7 @@ static bool reject6_br_csum_ok(struct sk_buff *skb, int hook)
pskb_trim_rcsum(skb, ntohs(ip6h->payload_len) + sizeof(*ip6h)))
return false;
+ ip6h = ipv6_hdr(skb);
thoff = ipv6_skip_exthdr(skb, ((u8*)(ip6h+1) - skb->data), &proto, &fo);
if (thoff < 0 || thoff >= skb->len || (fo & htons(~0x7)) != 0)
return false;
diff --git a/net/can/gw.c b/net/can/gw.c
index faa3da88a127..53859346dc9a 100644
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -416,13 +416,29 @@ static void can_can_gw_rcv(struct sk_buff *skb, void *data)
while (modidx < MAX_MODFUNCTIONS && gwj->mod.modfunc[modidx])
(*gwj->mod.modfunc[modidx++])(cf, &gwj->mod);
- /* check for checksum updates when the CAN frame has been modified */
+ /* Has the CAN frame been modified? */
if (modidx) {
- if (gwj->mod.csumfunc.crc8)
+ /* get available space for the processed CAN frame type */
+ int max_len = nskb->len - offsetof(struct can_frame, data);
+
+ /* dlc may have changed, make sure it fits to the CAN frame */
+ if (cf->can_dlc > max_len)
+ goto out_delete;
+
+ /* check for checksum updates in classic CAN length only */
+ if (gwj->mod.csumfunc.crc8) {
+ if (cf->can_dlc > 8)
+ goto out_delete;
+
(*gwj->mod.csumfunc.crc8)(cf, &gwj->mod.csum.crc8);
+ }
+
+ if (gwj->mod.csumfunc.xor) {
+ if (cf->can_dlc > 8)
+ goto out_delete;
- if (gwj->mod.csumfunc.xor)
(*gwj->mod.csumfunc.xor)(cf, &gwj->mod.csum.xor);
+ }
}
/* clear the skb timestamp if not configured the other way */
@@ -434,6 +450,14 @@ static void can_can_gw_rcv(struct sk_buff *skb, void *data)
gwj->dropped_frames++;
else
gwj->handled_frames++;
+
+ return;
+
+ out_delete:
+ /* delete frame due to misconfiguration */
+ gwj->deleted_frames++;
+ kfree_skb(nskb);
+ return;
}
static inline int cgw_register_filter(struct net *net, struct cgw_job *gwj)
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 87afb9ec4c68..9cab80207ced 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -255,6 +255,7 @@ enum {
Opt_nocephx_sign_messages,
Opt_tcp_nodelay,
Opt_notcp_nodelay,
+ Opt_abort_on_full,
};
static match_table_t opt_tokens = {
@@ -280,6 +281,7 @@ static match_table_t opt_tokens = {
{Opt_nocephx_sign_messages, "nocephx_sign_messages"},
{Opt_tcp_nodelay, "tcp_nodelay"},
{Opt_notcp_nodelay, "notcp_nodelay"},
+ {Opt_abort_on_full, "abort_on_full"},
{-1, NULL}
};
@@ -535,6 +537,10 @@ ceph_parse_options(char *options, const char *dev_name,
opt->flags &= ~CEPH_OPT_TCP_NODELAY;
break;
+ case Opt_abort_on_full:
+ opt->flags |= CEPH_OPT_ABORT_ON_FULL;
+ break;
+
default:
BUG_ON(token);
}
@@ -549,7 +555,8 @@ out:
}
EXPORT_SYMBOL(ceph_parse_options);
-int ceph_print_client_options(struct seq_file *m, struct ceph_client *client)
+int ceph_print_client_options(struct seq_file *m, struct ceph_client *client,
+ bool show_all)
{
struct ceph_options *opt = client->options;
size_t pos = m->count;
@@ -574,6 +581,8 @@ int ceph_print_client_options(struct seq_file *m, struct ceph_client *client)
seq_puts(m, "nocephx_sign_messages,");
if ((opt->flags & CEPH_OPT_TCP_NODELAY) == 0)
seq_puts(m, "notcp_nodelay,");
+ if (show_all && (opt->flags & CEPH_OPT_ABORT_ON_FULL))
+ seq_puts(m, "abort_on_full,");
if (opt->mount_timeout != CEPH_MOUNT_TIMEOUT_DEFAULT)
seq_printf(m, "mount_timeout=%d,",
diff --git a/net/ceph/debugfs.c b/net/ceph/debugfs.c
index 02952605d121..46f65709a6ff 100644
--- a/net/ceph/debugfs.c
+++ b/net/ceph/debugfs.c
@@ -375,7 +375,7 @@ static int client_options_show(struct seq_file *s, void *p)
struct ceph_client *client = s->private;
int ret;
- ret = ceph_print_client_options(s, client);
+ ret = ceph_print_client_options(s, client, true);
if (ret)
return ret;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index d23a9f81f3d7..fa9530dd876e 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -2315,7 +2315,7 @@ again:
(ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) ||
pool_full(osdc, req->r_t.base_oloc.pool))) {
dout("req %p full/pool_full\n", req);
- if (osdc->abort_on_full) {
+ if (ceph_test_opt(osdc->client, ABORT_ON_FULL)) {
err = -ENOSPC;
} else {
pr_warn_ratelimited("FULL or reached pool quota\n");
@@ -2545,7 +2545,7 @@ static void ceph_osdc_abort_on_full(struct ceph_osd_client *osdc)
{
bool victims = false;
- if (osdc->abort_on_full &&
+ if (ceph_test_opt(osdc->client, ABORT_ON_FULL) &&
(ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) || have_pool_full(osdc)))
for_each_request(osdc, abort_on_full_fn, &victims);
}
diff --git a/net/core/filter.c b/net/core/filter.c
index 447dd1bad31f..7559d6835ecb 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2020,18 +2020,19 @@ static inline int __bpf_tx_skb(struct net_device *dev, struct sk_buff *skb)
static int __bpf_redirect_no_mac(struct sk_buff *skb, struct net_device *dev,
u32 flags)
{
- /* skb->mac_len is not set on normal egress */
- unsigned int mlen = skb->network_header - skb->mac_header;
+ unsigned int mlen = skb_network_offset(skb);
- __skb_pull(skb, mlen);
+ if (mlen) {
+ __skb_pull(skb, mlen);
- /* At ingress, the mac header has already been pulled once.
- * At egress, skb_pospull_rcsum has to be done in case that
- * the skb is originated from ingress (i.e. a forwarded skb)
- * to ensure that rcsum starts at net header.
- */
- if (!skb_at_tc_ingress(skb))
- skb_postpull_rcsum(skb, skb_mac_header(skb), mlen);
+ /* At ingress, the mac header has already been pulled once.
+ * At egress, skb_pospull_rcsum has to be done in case that
+ * the skb is originated from ingress (i.e. a forwarded skb)
+ * to ensure that rcsum starts at net header.
+ */
+ if (!skb_at_tc_ingress(skb))
+ skb_postpull_rcsum(skb, skb_mac_header(skb), mlen);
+ }
skb_pop_mac_header(skb);
skb_reset_mac_len(skb);
return flags & BPF_F_INGRESS ?
@@ -4119,6 +4120,10 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
sk->sk_sndbuf = max_t(int, val * 2, SOCK_MIN_SNDBUF);
break;
case SO_MAX_PACING_RATE: /* 32bit version */
+ if (val != ~0U)
+ cmpxchg(&sk->sk_pacing_status,
+ SK_PACING_NONE,
+ SK_PACING_NEEDED);
sk->sk_max_pacing_rate = (val == ~0U) ? ~0UL : val;
sk->sk_pacing_rate = min(sk->sk_pacing_rate,
sk->sk_max_pacing_rate);
@@ -4132,7 +4137,10 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
sk->sk_rcvlowat = val ? : 1;
break;
case SO_MARK:
- sk->sk_mark = val;
+ if (sk->sk_mark != val) {
+ sk->sk_mark = val;
+ sk_dst_reset(sk);
+ }
break;
default:
ret = -EINVAL;
@@ -4203,7 +4211,7 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
/* Only some options are supported */
switch (optname) {
case TCP_BPF_IW:
- if (val <= 0 || tp->data_segs_out > 0)
+ if (val <= 0 || tp->data_segs_out > tp->syn_data)
ret = -EINVAL;
else
tp->snd_cwnd = val;
@@ -5309,7 +5317,7 @@ bpf_base_func_proto(enum bpf_func_id func_id)
case BPF_FUNC_trace_printk:
if (capable(CAP_SYS_ADMIN))
return bpf_get_trace_printk_proto();
- /* else: fall through */
+ /* else, fall through */
default:
return NULL;
}
diff --git a/net/core/lwt_bpf.c b/net/core/lwt_bpf.c
index 3e85437f7106..a648568c5e8f 100644
--- a/net/core/lwt_bpf.c
+++ b/net/core/lwt_bpf.c
@@ -63,6 +63,7 @@ static int run_lwt_bpf(struct sk_buff *skb, struct bpf_lwt_prog *lwt,
lwt->name ? : "<unknown>");
ret = BPF_OK;
} else {
+ skb_reset_mac_header(skb);
ret = skb_do_redirect(skb);
if (ret == 0)
ret = BPF_REDIRECT;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 763a7b08df67..4230400b9a30 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -18,6 +18,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/slab.h>
+#include <linux/kmemleak.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -443,12 +444,14 @@ static struct neigh_hash_table *neigh_hash_alloc(unsigned int shift)
ret = kmalloc(sizeof(*ret), GFP_ATOMIC);
if (!ret)
return NULL;
- if (size <= PAGE_SIZE)
+ if (size <= PAGE_SIZE) {
buckets = kzalloc(size, GFP_ATOMIC);
- else
+ } else {
buckets = (struct neighbour __rcu **)
__get_free_pages(GFP_ATOMIC | __GFP_ZERO,
get_order(size));
+ kmemleak_alloc(buckets, size, 1, GFP_ATOMIC);
+ }
if (!buckets) {
kfree(ret);
return NULL;
@@ -468,10 +471,12 @@ static void neigh_hash_free_rcu(struct rcu_head *head)
size_t size = (1 << nht->hash_shift) * sizeof(struct neighbour *);
struct neighbour __rcu **buckets = nht->hash_buckets;
- if (size <= PAGE_SIZE)
+ if (size <= PAGE_SIZE) {
kfree(buckets);
- else
+ } else {
+ kmemleak_free(buckets);
free_pages((unsigned long)buckets, get_order(size));
+ }
kfree(nht);
}
@@ -1002,7 +1007,7 @@ static void neigh_probe(struct neighbour *neigh)
if (neigh->ops->solicit)
neigh->ops->solicit(neigh, skb);
atomic_inc(&neigh->probes);
- kfree_skb(skb);
+ consume_skb(skb);
}
/* Called when a timer expires for a neighbour entry. */
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 37317ffec146..26d848484912 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -5270,7 +5270,6 @@ struct sk_buff *alloc_skb_with_frags(unsigned long header_len,
unsigned long chunk;
struct sk_buff *skb;
struct page *page;
- gfp_t gfp_head;
int i;
*errcode = -EMSGSIZE;
@@ -5280,12 +5279,8 @@ struct sk_buff *alloc_skb_with_frags(unsigned long header_len,
if (npages > MAX_SKB_FRAGS)
return NULL;
- gfp_head = gfp_mask;
- if (gfp_head & __GFP_DIRECT_RECLAIM)
- gfp_head |= __GFP_RETRY_MAYFAIL;
-
*errcode = -ENOBUFS;
- skb = alloc_skb(header_len, gfp_head);
+ skb = alloc_skb(header_len, gfp_mask);
if (!skb)
return NULL;
diff --git a/net/ipv4/bpfilter/sockopt.c b/net/ipv4/bpfilter/sockopt.c
index 5e04ed25bc0e..1e976bb93d99 100644
--- a/net/ipv4/bpfilter/sockopt.c
+++ b/net/ipv4/bpfilter/sockopt.c
@@ -1,28 +1,54 @@
// SPDX-License-Identifier: GPL-2.0
+#include <linux/init.h>
+#include <linux/module.h>
#include <linux/uaccess.h>
#include <linux/bpfilter.h>
#include <uapi/linux/bpf.h>
#include <linux/wait.h>
#include <linux/kmod.h>
+#include <linux/fs.h>
+#include <linux/file.h>
-int (*bpfilter_process_sockopt)(struct sock *sk, int optname,
- char __user *optval,
- unsigned int optlen, bool is_set);
-EXPORT_SYMBOL_GPL(bpfilter_process_sockopt);
+struct bpfilter_umh_ops bpfilter_ops;
+EXPORT_SYMBOL_GPL(bpfilter_ops);
+
+static void bpfilter_umh_cleanup(struct umh_info *info)
+{
+ mutex_lock(&bpfilter_ops.lock);
+ bpfilter_ops.stop = true;
+ fput(info->pipe_to_umh);
+ fput(info->pipe_from_umh);
+ info->pid = 0;
+ mutex_unlock(&bpfilter_ops.lock);
+}
static int bpfilter_mbox_request(struct sock *sk, int optname,
char __user *optval,
unsigned int optlen, bool is_set)
{
- if (!bpfilter_process_sockopt) {
- int err = request_module("bpfilter");
+ int err;
+ mutex_lock(&bpfilter_ops.lock);
+ if (!bpfilter_ops.sockopt) {
+ mutex_unlock(&bpfilter_ops.lock);
+ err = request_module("bpfilter");
+ mutex_lock(&bpfilter_ops.lock);
if (err)
- return err;
- if (!bpfilter_process_sockopt)
- return -ECHILD;
+ goto out;
+ if (!bpfilter_ops.sockopt) {
+ err = -ECHILD;
+ goto out;
+ }
+ }
+ if (bpfilter_ops.stop) {
+ err = bpfilter_ops.start();
+ if (err)
+ goto out;
}
- return bpfilter_process_sockopt(sk, optname, optval, optlen, is_set);
+ err = bpfilter_ops.sockopt(sk, optname, optval, optlen, is_set);
+out:
+ mutex_unlock(&bpfilter_ops.lock);
+ return err;
}
int bpfilter_ip_set_sockopt(struct sock *sk, int optname, char __user *optval,
@@ -41,3 +67,15 @@ int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
return bpfilter_mbox_request(sk, optname, optval, len, false);
}
+
+static int __init bpfilter_sockopt_init(void)
+{
+ mutex_init(&bpfilter_ops.lock);
+ bpfilter_ops.stop = true;
+ bpfilter_ops.info.cmdline = "bpfilter_umh";
+ bpfilter_ops.info.cleanup = &bpfilter_umh_cleanup;
+
+ return 0;
+}
+
+module_init(bpfilter_sockopt_init);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 04ba321ae5ce..e258a00b4a3d 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1826,7 +1826,7 @@ put_tgt_net:
if (fillargs.netnsid >= 0)
put_net(tgt_net);
- return err < 0 ? err : skb->len;
+ return skb->len ? : err;
}
static void rtmsg_ifa(int event, struct in_ifaddr *ifa, struct nlmsghdr *nlh,
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 6df95be96311..fe4f6a624238 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -203,7 +203,7 @@ static void fib_flush(struct net *net)
struct fib_table *tb;
hlist_for_each_entry_safe(tb, tmp, head, tb_hlist)
- flushed += fib_table_flush(net, tb);
+ flushed += fib_table_flush(net, tb, false);
}
if (flushed)
@@ -1463,7 +1463,7 @@ static void ip_fib_net_exit(struct net *net)
hlist_for_each_entry_safe(tb, tmp, head, tb_hlist) {
hlist_del(&tb->tb_hlist);
- fib_table_flush(net, tb);
+ fib_table_flush(net, tb, true);
fib_free_table(tb);
}
}
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 237c9f72b265..a573e37e0615 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1856,7 +1856,7 @@ void fib_table_flush_external(struct fib_table *tb)
}
/* Caller must hold RTNL. */
-int fib_table_flush(struct net *net, struct fib_table *tb)
+int fib_table_flush(struct net *net, struct fib_table *tb, bool flush_all)
{
struct trie *t = (struct trie *)tb->tb_data;
struct key_vector *pn = t->kv;
@@ -1904,8 +1904,17 @@ int fib_table_flush(struct net *net, struct fib_table *tb)
hlist_for_each_entry_safe(fa, tmp, &n->leaf, fa_list) {
struct fib_info *fi = fa->fa_info;
- if (!fi || !(fi->fib_flags & RTNH_F_DEAD) ||
- tb->tb_id != fa->tb_id) {
+ if (!fi || tb->tb_id != fa->tb_id ||
+ (!(fi->fib_flags & RTNH_F_DEAD) &&
+ !fib_props[fa->fa_type].error)) {
+ slen = fa->fa_slen;
+ continue;
+ }
+
+ /* Do not flush error routes if network namespace is
+ * not being dismantled
+ */
+ if (!flush_all && fib_props[fa->fa_type].error) {
slen = fa->fa_slen;
continue;
}
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 0c9f171fb085..437070d1ffb1 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -1020,10 +1020,11 @@ static int gue_err(struct sk_buff *skb, u32 info)
{
int transport_offset = skb_transport_offset(skb);
struct guehdr *guehdr;
- size_t optlen;
+ size_t len, optlen;
int ret;
- if (skb->len < sizeof(struct udphdr) + sizeof(struct guehdr))
+ len = sizeof(struct udphdr) + sizeof(struct guehdr);
+ if (!pskb_may_pull(skb, len))
return -EINVAL;
guehdr = (struct guehdr *)&udp_hdr(skb)[1];
@@ -1058,6 +1059,10 @@ static int gue_err(struct sk_buff *skb, u32 info)
optlen = guehdr->hlen << 2;
+ if (!pskb_may_pull(skb, len + optlen))
+ return -EINVAL;
+
+ guehdr = (struct guehdr *)&udp_hdr(skb)[1];
if (validate_gue_flags(guehdr, optlen))
return -EINVAL;
@@ -1065,7 +1070,8 @@ static int gue_err(struct sk_buff *skb, u32 info)
* recursion. Besides, this kind of encapsulation can't even be
* configured currently. Discard this.
*/
- if (guehdr->proto_ctype == IPPROTO_UDP)
+ if (guehdr->proto_ctype == IPPROTO_UDP ||
+ guehdr->proto_ctype == IPPROTO_UDPLITE)
return -EOPNOTSUPP;
skb_set_transport_header(skb, -(int)sizeof(struct icmphdr));
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index d1d09f3e5f9e..b1a74d80d868 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -569,8 +569,7 @@ err_free_skb:
dev->stats.tx_dropped++;
}
-static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev,
- __be16 proto)
+static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct ip_tunnel_info *tun_info;
@@ -578,10 +577,10 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev,
struct erspan_metadata *md;
struct rtable *rt = NULL;
bool truncate = false;
+ __be16 df, proto;
struct flowi4 fl;
int tunnel_hlen;
int version;
- __be16 df;
int nhoff;
int thoff;
@@ -626,18 +625,20 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev,
if (version == 1) {
erspan_build_header(skb, ntohl(tunnel_id_to_key32(key->tun_id)),
ntohl(md->u.index), truncate, true);
+ proto = htons(ETH_P_ERSPAN);
} else if (version == 2) {
erspan_build_header_v2(skb,
ntohl(tunnel_id_to_key32(key->tun_id)),
md->u.md2.dir,
get_hwid(&md->u.md2),
truncate, true);
+ proto = htons(ETH_P_ERSPAN2);
} else {
goto err_free_rt;
}
gre_build_header(skb, 8, TUNNEL_SEQ,
- htons(ETH_P_ERSPAN), 0, htonl(tunnel->o_seqno++));
+ proto, 0, htonl(tunnel->o_seqno++));
df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0;
@@ -721,12 +722,13 @@ static netdev_tx_t erspan_xmit(struct sk_buff *skb,
{
struct ip_tunnel *tunnel = netdev_priv(dev);
bool truncate = false;
+ __be16 proto;
if (!pskb_inet_may_pull(skb))
goto free_skb;
if (tunnel->collect_md) {
- erspan_fb_xmit(skb, dev, skb->protocol);
+ erspan_fb_xmit(skb, dev);
return NETDEV_TX_OK;
}
@@ -742,19 +744,22 @@ static netdev_tx_t erspan_xmit(struct sk_buff *skb,
}
/* Push ERSPAN header */
- if (tunnel->erspan_ver == 1)
+ if (tunnel->erspan_ver == 1) {
erspan_build_header(skb, ntohl(tunnel->parms.o_key),
tunnel->index,
truncate, true);
- else if (tunnel->erspan_ver == 2)
+ proto = htons(ETH_P_ERSPAN);
+ } else if (tunnel->erspan_ver == 2) {
erspan_build_header_v2(skb, ntohl(tunnel->parms.o_key),
tunnel->dir, tunnel->hwid,
truncate, true);
- else
+ proto = htons(ETH_P_ERSPAN2);
+ } else {
goto free_skb;
+ }
tunnel->parms.o_flags &= ~TUNNEL_KEY;
- __gre_xmit(skb, dev, &tunnel->parms.iph, htons(ETH_P_ERSPAN));
+ __gre_xmit(skb, dev, &tunnel->parms.iph, proto);
return NETDEV_TX_OK;
free_skb:
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 26921f6b3b92..51d8efba6de2 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -488,6 +488,7 @@ static struct sk_buff *ip_rcv_core(struct sk_buff *skb, struct net *net)
goto drop;
}
+ iph = ip_hdr(skb);
skb->transport_header = skb->network_header + iph->ihl*4;
/* Remove any debris in the socket control block */
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index fffcc130900e..82f341e84fae 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -148,19 +148,17 @@ static void ip_cmsg_recv_security(struct msghdr *msg, struct sk_buff *skb)
static void ip_cmsg_recv_dstaddr(struct msghdr *msg, struct sk_buff *skb)
{
+ __be16 _ports[2], *ports;
struct sockaddr_in sin;
- __be16 *ports;
- int end;
-
- end = skb_transport_offset(skb) + 4;
- if (end > 0 && !pskb_may_pull(skb, end))
- return;
/* All current transport protocols have the port numbers in the
* first four bytes of the transport header and this function is
* written with this assumption in mind.
*/
- ports = (__be16 *)skb_transport_header(skb);
+ ports = skb_header_pointer(skb, skb_transport_offset(skb),
+ sizeof(_ports), &_ports);
+ if (!ports)
+ return;
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = ip_hdr(skb)->daddr;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 27e2f6837062..2079145a3b7c 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1186,7 +1186,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)
flags = msg->msg_flags;
if (flags & MSG_ZEROCOPY && size && sock_flag(sk, SOCK_ZEROCOPY)) {
- if (sk->sk_state != TCP_ESTABLISHED) {
+ if ((1 << sk->sk_state) & ~(TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)) {
err = -EINVAL;
goto out_err;
}
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index f87dbc78b6bc..71a29e9c0620 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -226,7 +226,7 @@ static int tcp_write_timeout(struct sock *sk)
if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) {
if (icsk->icsk_retransmits) {
dst_negative_advice(sk);
- } else if (!tp->syn_data && !tp->syn_fastopen) {
+ } else {
sk_rethink_txhash(sk);
}
retry_until = icsk->icsk_syn_retries ? : net->ipv4.sysctl_tcp_syn_retries;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 3fb0ed5e4789..5c3cd5d84a6f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -847,15 +847,23 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4,
const int hlen = skb_network_header_len(skb) +
sizeof(struct udphdr);
- if (hlen + cork->gso_size > cork->fragsize)
+ if (hlen + cork->gso_size > cork->fragsize) {
+ kfree_skb(skb);
return -EINVAL;
- if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS)
+ }
+ if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) {
+ kfree_skb(skb);
return -EINVAL;
- if (sk->sk_no_check_tx)
+ }
+ if (sk->sk_no_check_tx) {
+ kfree_skb(skb);
return -EINVAL;
+ }
if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite ||
- dst_xfrm(skb_dst(skb)))
+ dst_xfrm(skb_dst(skb))) {
+ kfree_skb(skb);
return -EIO;
+ }
skb_shinfo(skb)->gso_size = cork->gso_size;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
@@ -1918,7 +1926,7 @@ void udp_lib_rehash(struct sock *sk, u16 newhash)
}
EXPORT_SYMBOL(udp_lib_rehash);
-static void udp_v4_rehash(struct sock *sk)
+void udp_v4_rehash(struct sock *sk)
{
u16 new_hash = ipv4_portaddr_hash(sock_net(sk),
inet_sk(sk)->inet_rcv_saddr,
diff --git a/net/ipv4/udp_impl.h b/net/ipv4/udp_impl.h
index 322672655419..6b2fa77eeb1c 100644
--- a/net/ipv4/udp_impl.h
+++ b/net/ipv4/udp_impl.h
@@ -10,6 +10,7 @@ int __udp4_lib_rcv(struct sk_buff *, struct udp_table *, int);
int __udp4_lib_err(struct sk_buff *, u32, struct udp_table *);
int udp_v4_get_port(struct sock *sk, unsigned short snum);
+void udp_v4_rehash(struct sock *sk);
int udp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen);
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index 39c7f17d916f..3c94b8f0ff27 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -53,6 +53,7 @@ struct proto udplite_prot = {
.sendpage = udp_sendpage,
.hash = udp_lib_hash,
.unhash = udp_lib_unhash,
+ .rehash = udp_v4_rehash,
.get_port = udp_v4_get_port,
.memory_allocated = &udp_memory_allocated,
.sysctl_mem = sysctl_udp_mem,
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8eeec6eb2bd3..93d5ad2b1a69 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5154,7 +5154,7 @@ put_tgt_net:
if (fillargs.netnsid >= 0)
put_net(tgt_net);
- return err < 0 ? err : skb->len;
+ return skb->len ? : err;
}
static int inet6_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 0bfb6cc0a30a..d99753b5e39b 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -310,6 +310,7 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
/* Check if the address belongs to the host. */
if (addr_type == IPV6_ADDR_MAPPED) {
+ struct net_device *dev = NULL;
int chk_addr_ret;
/* Binding to v4-mapped address on a v6-only socket
@@ -320,9 +321,20 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
goto out;
}
+ rcu_read_lock();
+ if (sk->sk_bound_dev_if) {
+ dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if);
+ if (!dev) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+ }
+
/* Reproduce AF_INET checks to make the bindings consistent */
v4addr = addr->sin6_addr.s6_addr32[3];
- chk_addr_ret = inet_addr_type(net, v4addr);
+ chk_addr_ret = inet_addr_type_dev_table(net, dev, v4addr);
+ rcu_read_unlock();
+
if (!inet_can_nonlocal_bind(net, inet) &&
v4addr != htonl(INADDR_ANY) &&
chk_addr_ret != RTN_LOCAL &&
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index bde08aa549f3..ee4a4e54d016 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -341,6 +341,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info)
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
iph->daddr = fl6->daddr;
+ ip6_flow_hdr(iph, 0, 0);
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
@@ -700,17 +701,15 @@ void ip6_datagram_recv_specific_ctl(struct sock *sk, struct msghdr *msg,
}
if (np->rxopt.bits.rxorigdstaddr) {
struct sockaddr_in6 sin6;
- __be16 *ports;
- int end;
+ __be16 _ports[2], *ports;
- end = skb_transport_offset(skb) + 4;
- if (end <= 0 || pskb_may_pull(skb, end)) {
+ ports = skb_header_pointer(skb, skb_transport_offset(skb),
+ sizeof(_ports), &_ports);
+ if (ports) {
/* All current transport protocols have the port numbers in the
* first four bytes of the transport header and this function is
* written with this assumption in mind.
*/
- ports = (__be16 *)skb_transport_header(skb);
-
sin6.sin6_family = AF_INET6;
sin6.sin6_addr = ipv6_hdr(skb)->daddr;
sin6.sin6_port = ports[1];
diff --git a/net/ipv6/fou6.c b/net/ipv6/fou6.c
index bd675c61deb1..b858bd5280bf 100644
--- a/net/ipv6/fou6.c
+++ b/net/ipv6/fou6.c
@@ -90,10 +90,11 @@ static int gue6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
{
int transport_offset = skb_transport_offset(skb);
struct guehdr *guehdr;
- size_t optlen;
+ size_t len, optlen;
int ret;
- if (skb->len < sizeof(struct udphdr) + sizeof(struct guehdr))
+ len = sizeof(struct udphdr) + sizeof(struct guehdr);
+ if (!pskb_may_pull(skb, len))
return -EINVAL;
guehdr = (struct guehdr *)&udp_hdr(skb)[1];
@@ -128,9 +129,21 @@ static int gue6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
optlen = guehdr->hlen << 2;
+ if (!pskb_may_pull(skb, len + optlen))
+ return -EINVAL;
+
+ guehdr = (struct guehdr *)&udp_hdr(skb)[1];
if (validate_gue_flags(guehdr, optlen))
return -EINVAL;
+ /* Handling exceptions for direct UDP encapsulation in GUE would lead to
+ * recursion. Besides, this kind of encapsulation can't even be
+ * configured currently. Discard this.
+ */
+ if (guehdr->proto_ctype == IPPROTO_UDP ||
+ guehdr->proto_ctype == IPPROTO_UDPLITE)
+ return -EOPNOTSUPP;
+
skb_set_transport_header(skb, -(int)sizeof(struct icmp6hdr));
ret = gue6_err_proto_handler(guehdr->proto_ctype, skb,
opt, type, code, offset, info);
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 5d7aa2c2770c..bbcdfd299692 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -423,10 +423,10 @@ static int icmp6_iif(const struct sk_buff *skb)
static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
const struct in6_addr *force_saddr)
{
- struct net *net = dev_net(skb->dev);
struct inet6_dev *idev = NULL;
struct ipv6hdr *hdr = ipv6_hdr(skb);
struct sock *sk;
+ struct net *net;
struct ipv6_pinfo *np;
const struct in6_addr *saddr = NULL;
struct dst_entry *dst;
@@ -437,12 +437,16 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
int iif = 0;
int addr_type = 0;
int len;
- u32 mark = IP6_REPLY_MARK(net, skb->mark);
+ u32 mark;
if ((u8 *)hdr < skb->head ||
(skb_network_header(skb) + sizeof(*hdr)) > skb_tail_pointer(skb))
return;
+ if (!skb->dev)
+ return;
+ net = dev_net(skb->dev);
+ mark = IP6_REPLY_MARK(net, skb->mark);
/*
* Make sure we respect the rules
* i.e. RFC 1885 2.4(e)
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 09d0826742f8..b1be67ca6768 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -922,6 +922,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
__u8 dsfield = false;
struct flowi6 fl6;
int err = -EINVAL;
+ __be16 proto;
__u32 mtu;
int nhoff;
int thoff;
@@ -1035,8 +1036,9 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
}
/* Push GRE header. */
- gre_build_header(skb, 8, TUNNEL_SEQ,
- htons(ETH_P_ERSPAN), 0, htonl(t->o_seqno++));
+ proto = (t->parms.erspan_ver == 1) ? htons(ETH_P_ERSPAN)
+ : htons(ETH_P_ERSPAN2);
+ gre_build_header(skb, 8, TUNNEL_SEQ, proto, 0, htonl(t->o_seqno++));
/* TooBig packet may have updated dst->dev's mtu */
if (!t->parms.collect_md && dst && dst_mtu(dst) > dst->dev->mtu)
@@ -1169,6 +1171,10 @@ static void ip6gre_tnl_copy_tnl_parm(struct ip6_tnl *t,
t->parms.i_flags = p->i_flags;
t->parms.o_flags = p->o_flags;
t->parms.fwmark = p->fwmark;
+ t->parms.erspan_ver = p->erspan_ver;
+ t->parms.index = p->index;
+ t->parms.dir = p->dir;
+ t->parms.hwid = p->hwid;
dst_cache_reset(&t->dst_cache);
}
@@ -2025,9 +2031,9 @@ static int ip6gre_changelink(struct net_device *dev, struct nlattr *tb[],
struct nlattr *data[],
struct netlink_ext_ack *extack)
{
- struct ip6gre_net *ign = net_generic(dev_net(dev), ip6gre_net_id);
+ struct ip6_tnl *t = netdev_priv(dev);
+ struct ip6gre_net *ign = net_generic(t->net, ip6gre_net_id);
struct __ip6_tnl_parm p;
- struct ip6_tnl *t;
t = ip6gre_changelink_common(dev, tb, data, &p, extack);
if (IS_ERR(t))
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 40b225f87d5e..964491cf3672 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4251,17 +4251,6 @@ struct rt6_nh {
struct list_head next;
};
-static void ip6_print_replace_route_err(struct list_head *rt6_nh_list)
-{
- struct rt6_nh *nh;
-
- list_for_each_entry(nh, rt6_nh_list, next) {
- pr_warn("IPV6: multipath route replace failed (check consistency of installed routes): %pI6c nexthop %pI6c ifi %d\n",
- &nh->r_cfg.fc_dst, &nh->r_cfg.fc_gateway,
- nh->r_cfg.fc_ifindex);
- }
-}
-
static int ip6_route_info_append(struct net *net,
struct list_head *rt6_nh_list,
struct fib6_info *rt,
@@ -4407,7 +4396,8 @@ static int ip6_route_multipath_add(struct fib6_config *cfg,
nh->fib6_info = NULL;
if (err) {
if (replace && nhn)
- ip6_print_replace_route_err(&rt6_nh_list);
+ NL_SET_ERR_MSG_MOD(extack,
+ "multipath route replace failed (check consistency of installed routes)");
err_nh = nh;
goto add_errout;
}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 9cbf363172bd..2596ffdeebea 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -102,7 +102,7 @@ int udp_v6_get_port(struct sock *sk, unsigned short snum)
return udp_lib_get_port(sk, snum, hash2_nulladdr);
}
-static void udp_v6_rehash(struct sock *sk)
+void udp_v6_rehash(struct sock *sk)
{
u16 new_hash = ipv6_portaddr_hash(sock_net(sk),
&sk->sk_v6_rcv_saddr,
@@ -1132,15 +1132,23 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6,
const int hlen = skb_network_header_len(skb) +
sizeof(struct udphdr);
- if (hlen + cork->gso_size > cork->fragsize)
+ if (hlen + cork->gso_size > cork->fragsize) {
+ kfree_skb(skb);
return -EINVAL;
- if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS)
+ }
+ if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) {
+ kfree_skb(skb);
return -EINVAL;
- if (udp_sk(sk)->no_check6_tx)
+ }
+ if (udp_sk(sk)->no_check6_tx) {
+ kfree_skb(skb);
return -EINVAL;
+ }
if (skb->ip_summed != CHECKSUM_PARTIAL || is_udplite ||
- dst_xfrm(skb_dst(skb)))
+ dst_xfrm(skb_dst(skb))) {
+ kfree_skb(skb);
return -EIO;
+ }
skb_shinfo(skb)->gso_size = cork->gso_size;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
@@ -1390,10 +1398,7 @@ do_udp_sendmsg:
ipc6.opt = opt;
fl6.flowi6_proto = sk->sk_protocol;
- if (!ipv6_addr_any(daddr))
- fl6.daddr = *daddr;
- else
- fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
+ fl6.daddr = *daddr;
if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))
fl6.saddr = np->saddr;
fl6.fl6_sport = inet->inet_sport;
@@ -1421,6 +1426,9 @@ do_udp_sendmsg:
}
}
+ if (ipv6_addr_any(&fl6.daddr))
+ fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
+
final_p = fl6_update_dst(&fl6, opt, &final);
if (final_p)
connected = false;
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index 5730e6503cb4..20e324b6f358 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -13,6 +13,7 @@ int __udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *, u8, u8, int,
__be32, struct udp_table *);
int udp_v6_get_port(struct sock *sk, unsigned short snum);
+void udp_v6_rehash(struct sock *sk);
int udpv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen);
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index a125aebc29e5..f35907836444 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -49,6 +49,7 @@ struct proto udplitev6_prot = {
.recvmsg = udpv6_recvmsg,
.hash = udp_lib_hash,
.unhash = udp_lib_unhash,
+ .rehash = udp_v6_rehash,
.get_port = udp_v6_get_port,
.memory_allocated = &udp_memory_allocated,
.sysctl_mem = sysctl_udp_mem,
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index fa0844e2a68d..c0c72ae9df42 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -28,6 +28,7 @@ flow_offload_fill_dir(struct flow_offload *flow, struct nf_conn *ct,
{
struct flow_offload_tuple *ft = &flow->tuplehash[dir].tuple;
struct nf_conntrack_tuple *ctt = &ct->tuplehash[dir].tuple;
+ struct dst_entry *other_dst = route->tuple[!dir].dst;
struct dst_entry *dst = route->tuple[dir].dst;
ft->dir = dir;
@@ -50,8 +51,8 @@ flow_offload_fill_dir(struct flow_offload *flow, struct nf_conn *ct,
ft->src_port = ctt->src.u.tcp.port;
ft->dst_port = ctt->dst.u.tcp.port;
- ft->iifidx = route->tuple[dir].ifindex;
- ft->oifidx = route->tuple[!dir].ifindex;
+ ft->iifidx = other_dst->dev->ifindex;
+ ft->oifidx = dst->dev->ifindex;
ft->dst_cache = dst;
}
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 2b0a93300dd7..fb07f6cfc719 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2304,7 +2304,6 @@ static int __nf_tables_dump_rules(struct sk_buff *skb,
struct net *net = sock_net(skb->sk);
unsigned int s_idx = cb->args[0];
const struct nft_rule *rule;
- int rc = 1;
list_for_each_entry_rcu(rule, &chain->rules, list) {
if (!nft_is_active(net, rule))
@@ -2321,16 +2320,13 @@ static int __nf_tables_dump_rules(struct sk_buff *skb,
NLM_F_MULTI | NLM_F_APPEND,
table->family,
table, chain, rule) < 0)
- goto out_unfinished;
+ return 1;
nl_dump_check_consistent(cb, nlmsg_hdr(skb));
cont:
(*idx)++;
}
- rc = 0;
-out_unfinished:
- cb->args[0] = *idx;
- return rc;
+ return 0;
}
static int nf_tables_dump_rules(struct sk_buff *skb,
@@ -2354,7 +2350,7 @@ static int nf_tables_dump_rules(struct sk_buff *skb,
if (ctx && ctx->table && strcmp(ctx->table, table->name) != 0)
continue;
- if (ctx && ctx->chain) {
+ if (ctx && ctx->table && ctx->chain) {
struct rhlist_head *list, *tmp;
list = rhltable_lookup(&table->chains_ht, ctx->chain,
@@ -2382,6 +2378,8 @@ static int nf_tables_dump_rules(struct sk_buff *skb,
}
done:
rcu_read_unlock();
+
+ cb->args[0] = idx;
return skb->len;
}
@@ -4508,6 +4506,8 @@ err6:
err5:
kfree(trans);
err4:
+ if (obj)
+ obj->use--;
kfree(elem.priv);
err3:
if (nla[NFTA_SET_ELEM_DATA] != NULL)
diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index 974525eb92df..6e6b9adf7d38 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -12,6 +12,7 @@
#include <net/netfilter/nf_conntrack_core.h>
#include <linux/netfilter/nf_conntrack_common.h>
#include <net/netfilter/nf_flow_table.h>
+#include <net/netfilter/nf_conntrack_helper.h>
struct nft_flow_offload {
struct nft_flowtable *flowtable;
@@ -29,10 +30,12 @@ static int nft_flow_route(const struct nft_pktinfo *pkt,
memset(&fl, 0, sizeof(fl));
switch (nft_pf(pkt)) {
case NFPROTO_IPV4:
- fl.u.ip4.daddr = ct->tuplehash[!dir].tuple.dst.u3.ip;
+ fl.u.ip4.daddr = ct->tuplehash[dir].tuple.src.u3.ip;
+ fl.u.ip4.flowi4_oif = nft_in(pkt)->ifindex;
break;
case NFPROTO_IPV6:
- fl.u.ip6.daddr = ct->tuplehash[!dir].tuple.dst.u3.in6;
+ fl.u.ip6.daddr = ct->tuplehash[dir].tuple.src.u3.in6;
+ fl.u.ip6.flowi6_oif = nft_in(pkt)->ifindex;
break;
}
@@ -41,9 +44,7 @@ static int nft_flow_route(const struct nft_pktinfo *pkt,
return -ENOENT;
route->tuple[dir].dst = this_dst;
- route->tuple[dir].ifindex = nft_in(pkt)->ifindex;
route->tuple[!dir].dst = other_dst;
- route->tuple[!dir].ifindex = nft_out(pkt)->ifindex;
return 0;
}
@@ -66,6 +67,7 @@ static void nft_flow_offload_eval(const struct nft_expr *expr,
{
struct nft_flow_offload *priv = nft_expr_priv(expr);
struct nf_flowtable *flowtable = &priv->flowtable->data;
+ const struct nf_conn_help *help;
enum ip_conntrack_info ctinfo;
struct nf_flow_route route;
struct flow_offload *flow;
@@ -88,7 +90,8 @@ static void nft_flow_offload_eval(const struct nft_expr *expr,
goto out;
}
- if (test_bit(IPS_HELPER_BIT, &ct->status))
+ help = nfct_help(ct);
+ if (help)
goto out;
if (ctinfo == IP_CT_NEW ||
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 57e07768c9d1..f54cf17ef7a8 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -276,10 +276,12 @@ static int parse_ipv6hdr(struct sk_buff *skb, struct sw_flow_key *key)
nexthdr = ipv6_find_hdr(skb, &payload_ofs, -1, &frag_off, &flags);
if (flags & IP6_FH_F_FRAG) {
- if (frag_off)
+ if (frag_off) {
key->ip.frag = OVS_FRAG_TYPE_LATER;
- else
- key->ip.frag = OVS_FRAG_TYPE_FIRST;
+ key->ip.proto = nexthdr;
+ return 0;
+ }
+ key->ip.frag = OVS_FRAG_TYPE_FIRST;
} else {
key->ip.frag = OVS_FRAG_TYPE_NONE;
}
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 435a4bdf8f89..691da853bef5 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -500,7 +500,7 @@ static int __parse_flow_nlattrs(const struct nlattr *attr,
return -EINVAL;
}
- if (!nz || !is_all_zero(nla_data(nla), expected_len)) {
+ if (!nz || !is_all_zero(nla_data(nla), nla_len(nla))) {
attrs |= 1 << type;
a[type] = nla;
}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index eedacdebcd4c..3b1a78906bc0 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2628,7 +2628,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
addr = saddr->sll_halen ? saddr->sll_addr : NULL;
dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex);
if (addr && dev && saddr->sll_halen < dev->addr_len)
- goto out;
+ goto out_put;
}
err = -ENXIO;
@@ -2828,7 +2828,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
addr = saddr->sll_halen ? saddr->sll_addr : NULL;
dev = dev_get_by_index(sock_net(sk), saddr->sll_ifindex);
if (addr && dev && saddr->sll_halen < dev->addr_len)
- goto out;
+ goto out_unlock;
}
err = -ENXIO;
@@ -2887,7 +2887,8 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
goto out_free;
} else if (reserve) {
skb_reserve(skb, -reserve);
- if (len < reserve)
+ if (len < reserve + sizeof(struct ipv6hdr) &&
+ dev->min_header_len != dev->hard_header_len)
skb_reset_network_header(skb);
}
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 2dcb555e6350..4e0c36acf866 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -522,7 +522,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
if (be32_to_cpu(rm->m_inc.i_hdr.h_len) == 0)
i = 1;
else
- i = ceil(be32_to_cpu(rm->m_inc.i_hdr.h_len), RDS_FRAG_SIZE);
+ i = DIV_ROUND_UP(be32_to_cpu(rm->m_inc.i_hdr.h_len), RDS_FRAG_SIZE);
work_alloc = rds_ib_ring_alloc(&ic->i_send_ring, i, &pos);
if (work_alloc == 0) {
@@ -879,7 +879,7 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
* Instead of knowing how to return a partial rdma read/write we insist that there
* be enough work requests to send the entire message.
*/
- i = ceil(op->op_count, max_sge);
+ i = DIV_ROUND_UP(op->op_count, max_sge);
work_alloc = rds_ib_ring_alloc(&ic->i_send_ring, i, &pos);
if (work_alloc != i) {
diff --git a/net/rds/message.c b/net/rds/message.c
index f139420ba1f6..50f13f1d4ae0 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -341,7 +341,7 @@ struct rds_message *rds_message_map_pages(unsigned long *page_addrs, unsigned in
{
struct rds_message *rm;
unsigned int i;
- int num_sgs = ceil(total_len, PAGE_SIZE);
+ int num_sgs = DIV_ROUND_UP(total_len, PAGE_SIZE);
int extra_bytes = num_sgs * sizeof(struct scatterlist);
int ret;
@@ -351,7 +351,7 @@ struct rds_message *rds_message_map_pages(unsigned long *page_addrs, unsigned in
set_bit(RDS_MSG_PAGEVEC, &rm->m_flags);
rm->m_inc.i_hdr.h_len = cpu_to_be32(total_len);
- rm->data.op_nents = ceil(total_len, PAGE_SIZE);
+ rm->data.op_nents = DIV_ROUND_UP(total_len, PAGE_SIZE);
rm->data.op_sg = rds_message_alloc_sgs(rm, num_sgs, &ret);
if (!rm->data.op_sg) {
rds_message_put(rm);
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 02ec4a3b2799..4ffe100ff5e6 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -48,10 +48,6 @@ void rdsdebug(char *fmt, ...)
}
#endif
-/* XXX is there one of these somewhere? */
-#define ceil(x, y) \
- ({ unsigned long __x = (x), __y = (y); (__x + __y - 1) / __y; })
-
#define RDS_FRAG_SHIFT 12
#define RDS_FRAG_SIZE ((unsigned int)(1 << RDS_FRAG_SHIFT))
diff --git a/net/rds/send.c b/net/rds/send.c
index 3d822bad7de9..fd8b687d5c05 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -1107,7 +1107,7 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len)
size_t total_payload_len = payload_len, rdma_payload_len = 0;
bool zcopy = ((msg->msg_flags & MSG_ZEROCOPY) &&
sock_flag(rds_rs_to_sk(rs), SOCK_ZEROCOPY));
- int num_sgs = ceil(payload_len, PAGE_SIZE);
+ int num_sgs = DIV_ROUND_UP(payload_len, PAGE_SIZE);
int namelen;
struct rds_iov_vector_arr vct;
int ind;
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index a2522f9d71e2..96f2952bbdfd 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -419,76 +419,6 @@ u32 rxrpc_kernel_get_epoch(struct socket *sock, struct rxrpc_call *call)
EXPORT_SYMBOL(rxrpc_kernel_get_epoch);
/**
- * rxrpc_kernel_check_call - Check a call's state
- * @sock: The socket the call is on
- * @call: The call to check
- * @_compl: Where to store the completion state
- * @_abort_code: Where to store any abort code
- *
- * Allow a kernel service to query the state of a call and find out the manner
- * of its termination if it has completed. Returns -EINPROGRESS if the call is
- * still going, 0 if the call finished successfully, -ECONNABORTED if the call
- * was aborted and an appropriate error if the call failed in some other way.
- */
-int rxrpc_kernel_check_call(struct socket *sock, struct rxrpc_call *call,
- enum rxrpc_call_completion *_compl, u32 *_abort_code)
-{
- if (call->state != RXRPC_CALL_COMPLETE)
- return -EINPROGRESS;
- smp_rmb();
- *_compl = call->completion;
- *_abort_code = call->abort_code;
- return call->error;
-}
-EXPORT_SYMBOL(rxrpc_kernel_check_call);
-
-/**
- * rxrpc_kernel_retry_call - Allow a kernel service to retry a call
- * @sock: The socket the call is on
- * @call: The call to retry
- * @srx: The address of the peer to contact
- * @key: The security context to use (defaults to socket setting)
- *
- * Allow a kernel service to try resending a client call that failed due to a
- * network error to a new address. The Tx queue is maintained intact, thereby
- * relieving the need to re-encrypt any request data that has already been
- * buffered.
- */
-int rxrpc_kernel_retry_call(struct socket *sock, struct rxrpc_call *call,
- struct sockaddr_rxrpc *srx, struct key *key)
-{
- struct rxrpc_conn_parameters cp;
- struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
- int ret;
-
- _enter("%d{%d}", call->debug_id, atomic_read(&call->usage));
-
- if (!key)
- key = rx->key;
- if (key && !key->payload.data[0])
- key = NULL; /* a no-security key */
-
- memset(&cp, 0, sizeof(cp));
- cp.local = rx->local;
- cp.key = key;
- cp.security_level = 0;
- cp.exclusive = false;
- cp.service_id = srx->srx_service;
-
- mutex_lock(&call->user_mutex);
-
- ret = rxrpc_prepare_call_for_retry(rx, call);
- if (ret == 0)
- ret = rxrpc_retry_client_call(rx, call, &cp, srx, GFP_KERNEL);
-
- mutex_unlock(&call->user_mutex);
- rxrpc_put_peer(cp.peer);
- _leave(" = %d", ret);
- return ret;
-}
-EXPORT_SYMBOL(rxrpc_kernel_retry_call);
-
-/**
* rxrpc_kernel_new_call_notification - Get notifications of new calls
* @sock: The socket to intercept received messages on
* @notify_new_call: Function to be called when new calls appear
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index bc628acf4f4f..4b1a534d290a 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -476,7 +476,6 @@ enum rxrpc_call_flag {
RXRPC_CALL_EXPOSED, /* The call was exposed to the world */
RXRPC_CALL_RX_LAST, /* Received the last packet (at rxtx_top) */
RXRPC_CALL_TX_LAST, /* Last packet in Tx buffer (at rxtx_top) */
- RXRPC_CALL_TX_LASTQ, /* Last packet has been queued */
RXRPC_CALL_SEND_PING, /* A ping will need to be sent */
RXRPC_CALL_PINGING, /* Ping in process */
RXRPC_CALL_RETRANS_TIMEOUT, /* Retransmission due to timeout occurred */
@@ -518,6 +517,18 @@ enum rxrpc_call_state {
};
/*
+ * Call completion condition (state == RXRPC_CALL_COMPLETE).
+ */
+enum rxrpc_call_completion {
+ RXRPC_CALL_SUCCEEDED, /* - Normal termination */
+ RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
+ RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
+ RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */
+ RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
+ NR__RXRPC_CALL_COMPLETIONS
+};
+
+/*
* Call Tx congestion management modes.
*/
enum rxrpc_congest_mode {
@@ -761,15 +772,9 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *,
struct sockaddr_rxrpc *,
struct rxrpc_call_params *, gfp_t,
unsigned int);
-int rxrpc_retry_client_call(struct rxrpc_sock *,
- struct rxrpc_call *,
- struct rxrpc_conn_parameters *,
- struct sockaddr_rxrpc *,
- gfp_t);
void rxrpc_incoming_call(struct rxrpc_sock *, struct rxrpc_call *,
struct sk_buff *);
void rxrpc_release_call(struct rxrpc_sock *, struct rxrpc_call *);
-int rxrpc_prepare_call_for_retry(struct rxrpc_sock *, struct rxrpc_call *);
void rxrpc_release_calls_on_socket(struct rxrpc_sock *);
bool __rxrpc_queue_call(struct rxrpc_call *);
bool rxrpc_queue_call(struct rxrpc_call *);
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 8f1a8f85b1f9..8aa2937b069f 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -325,48 +325,6 @@ error:
}
/*
- * Retry a call to a new address. It is expected that the Tx queue of the call
- * will contain data previously packaged for an old call.
- */
-int rxrpc_retry_client_call(struct rxrpc_sock *rx,
- struct rxrpc_call *call,
- struct rxrpc_conn_parameters *cp,
- struct sockaddr_rxrpc *srx,
- gfp_t gfp)
-{
- const void *here = __builtin_return_address(0);
- int ret;
-
- /* Set up or get a connection record and set the protocol parameters,
- * including channel number and call ID.
- */
- ret = rxrpc_connect_call(rx, call, cp, srx, gfp);
- if (ret < 0)
- goto error;
-
- trace_rxrpc_call(call, rxrpc_call_connected, atomic_read(&call->usage),
- here, NULL);
-
- rxrpc_start_call_timer(call);
-
- _net("CALL new %d on CONN %d", call->debug_id, call->conn->debug_id);
-
- if (!test_and_set_bit(RXRPC_CALL_EV_RESEND, &call->events))
- rxrpc_queue_call(call);
-
- _leave(" = 0");
- return 0;
-
-error:
- rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR,
- RX_CALL_DEAD, ret);
- trace_rxrpc_call(call, rxrpc_call_error, atomic_read(&call->usage),
- here, ERR_PTR(ret));
- _leave(" = %d", ret);
- return ret;
-}
-
-/*
* Set up an incoming call. call->conn points to the connection.
* This is called in BH context and isn't allowed to fail.
*/
@@ -534,61 +492,6 @@ void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
}
/*
- * Prepare a kernel service call for retry.
- */
-int rxrpc_prepare_call_for_retry(struct rxrpc_sock *rx, struct rxrpc_call *call)
-{
- const void *here = __builtin_return_address(0);
- int i;
- u8 last = 0;
-
- _enter("{%d,%d}", call->debug_id, atomic_read(&call->usage));
-
- trace_rxrpc_call(call, rxrpc_call_release, atomic_read(&call->usage),
- here, (const void *)call->flags);
-
- ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
- ASSERTCMP(call->completion, !=, RXRPC_CALL_REMOTELY_ABORTED);
- ASSERTCMP(call->completion, !=, RXRPC_CALL_LOCALLY_ABORTED);
- ASSERT(list_empty(&call->recvmsg_link));
-
- del_timer_sync(&call->timer);
-
- _debug("RELEASE CALL %p (%d CONN %p)", call, call->debug_id, call->conn);
-
- if (call->conn)
- rxrpc_disconnect_call(call);
-
- if (rxrpc_is_service_call(call) ||
- !call->tx_phase ||
- call->tx_hard_ack != 0 ||
- call->rx_hard_ack != 0 ||
- call->rx_top != 0)
- return -EINVAL;
-
- call->state = RXRPC_CALL_UNINITIALISED;
- call->completion = RXRPC_CALL_SUCCEEDED;
- call->call_id = 0;
- call->cid = 0;
- call->cong_cwnd = 0;
- call->cong_extra = 0;
- call->cong_ssthresh = 0;
- call->cong_mode = 0;
- call->cong_dup_acks = 0;
- call->cong_cumul_acks = 0;
- call->acks_lowest_nak = 0;
-
- for (i = 0; i < RXRPC_RXTX_BUFF_SIZE; i++) {
- last |= call->rxtx_annotations[i];
- call->rxtx_annotations[i] &= RXRPC_TX_ANNO_LAST;
- call->rxtx_annotations[i] |= RXRPC_TX_ANNO_RETRANS;
- }
-
- _leave(" = 0");
- return 0;
-}
-
-/*
* release all the calls associated with a socket
*/
void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c
index 521189f4b666..b2adfa825363 100644
--- a/net/rxrpc/conn_client.c
+++ b/net/rxrpc/conn_client.c
@@ -562,10 +562,7 @@ static void rxrpc_activate_one_channel(struct rxrpc_connection *conn,
clear_bit(RXRPC_CONN_FINAL_ACK_0 + channel, &conn->flags);
write_lock_bh(&call->state_lock);
- if (!test_bit(RXRPC_CALL_TX_LASTQ, &call->flags))
- call->state = RXRPC_CALL_CLIENT_SEND_REQUEST;
- else
- call->state = RXRPC_CALL_CLIENT_AWAIT_REPLY;
+ call->state = RXRPC_CALL_CLIENT_SEND_REQUEST;
write_unlock_bh(&call->state_lock);
rxrpc_see_call(call);
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index be01f9c5d963..46c9312085b1 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -169,10 +169,8 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
ASSERTCMP(seq, ==, call->tx_top + 1);
- if (last) {
+ if (last)
annotation |= RXRPC_TX_ANNO_LAST;
- set_bit(RXRPC_CALL_TX_LASTQ, &call->flags);
- }
/* We have to set the timestamp before queueing as the retransmit
* algorithm can see the packet as soon as we queue it.
@@ -386,6 +384,11 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
call->tx_total_len -= copy;
}
+ /* check for the far side aborting the call or a network error
+ * occurring */
+ if (call->state == RXRPC_CALL_COMPLETE)
+ goto call_terminated;
+
/* add the packet to the send queue if it's now full */
if (sp->remain <= 0 ||
(msg_data_left(msg) == 0 && !more)) {
@@ -425,16 +428,6 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
notify_end_tx);
skb = NULL;
}
-
- /* Check for the far side aborting the call or a network error
- * occurring. If this happens, save any packet that was under
- * construction so that in the case of a network error, the
- * call can be retried or redirected.
- */
- if (call->state == RXRPC_CALL_COMPLETE) {
- ret = call->error;
- goto out;
- }
} while (msg_data_left(msg) > 0);
success:
@@ -444,6 +437,11 @@ out:
_leave(" = %d", ret);
return ret;
+call_terminated:
+ rxrpc_free_skb(skb, rxrpc_skb_tx_freed);
+ _leave(" = %d", call->error);
+ return call->error;
+
maybe_error:
if (copied)
goto success;
diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index c3b90fadaff6..8b43fe0130f7 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -197,6 +197,15 @@ static const struct nla_policy tunnel_key_policy[TCA_TUNNEL_KEY_MAX + 1] = {
[TCA_TUNNEL_KEY_ENC_TTL] = { .type = NLA_U8 },
};
+static void tunnel_key_release_params(struct tcf_tunnel_key_params *p)
+{
+ if (!p)
+ return;
+ if (p->tcft_action == TCA_TUNNEL_KEY_ACT_SET)
+ dst_release(&p->tcft_enc_metadata->dst);
+ kfree_rcu(p, rcu);
+}
+
static int tunnel_key_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **a,
int ovr, int bind, bool rtnl_held,
@@ -360,8 +369,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
rcu_swap_protected(t->params, params_new,
lockdep_is_held(&t->tcf_lock));
spin_unlock_bh(&t->tcf_lock);
- if (params_new)
- kfree_rcu(params_new, rcu);
+ tunnel_key_release_params(params_new);
if (ret == ACT_P_CREATED)
tcf_idr_insert(tn, *a);
@@ -385,12 +393,7 @@ static void tunnel_key_release(struct tc_action *a)
struct tcf_tunnel_key_params *params;
params = rcu_dereference_protected(t->params, 1);
- if (params) {
- if (params->tcft_action == TCA_TUNNEL_KEY_ACT_SET)
- dst_release(&params->tcft_enc_metadata->dst);
-
- kfree_rcu(params, rcu);
- }
+ tunnel_key_release_params(params);
}
static int tunnel_key_geneve_opts_dump(struct sk_buff *skb,
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 8ce2a0507970..e2b5cb2eb34e 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1277,7 +1277,6 @@ EXPORT_SYMBOL(tcf_block_cb_unregister);
int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res, bool compat_mode)
{
- __be16 protocol = tc_skb_protocol(skb);
#ifdef CONFIG_NET_CLS_ACT
const int max_reclassify_loop = 4;
const struct tcf_proto *orig_tp = tp;
@@ -1287,6 +1286,7 @@ int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
reclassify:
#endif
for (; tp; tp = rcu_dereference_bh(tp->next)) {
+ __be16 protocol = tc_skb_protocol(skb);
int err;
if (tp->protocol != protocol &&
@@ -1319,7 +1319,6 @@ reset:
}
tp = first_tp;
- protocol = tc_skb_protocol(skb);
goto reclassify;
#endif
}
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index dad04e710493..f6aa57fbbbaf 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -1290,17 +1290,23 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
struct cls_fl_head *head = rtnl_dereference(tp->root);
struct cls_fl_filter *fold = *arg;
struct cls_fl_filter *fnew;
+ struct fl_flow_mask *mask;
struct nlattr **tb;
- struct fl_flow_mask mask = {};
int err;
if (!tca[TCA_OPTIONS])
return -EINVAL;
- tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL);
- if (!tb)
+ mask = kzalloc(sizeof(struct fl_flow_mask), GFP_KERNEL);
+ if (!mask)
return -ENOBUFS;
+ tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL);
+ if (!tb) {
+ err = -ENOBUFS;
+ goto errout_mask_alloc;
+ }
+
err = nla_parse_nested(tb, TCA_FLOWER_MAX, tca[TCA_OPTIONS],
fl_policy, NULL);
if (err < 0)
@@ -1343,12 +1349,12 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
}
}
- err = fl_set_parms(net, tp, fnew, &mask, base, tb, tca[TCA_RATE], ovr,
+ err = fl_set_parms(net, tp, fnew, mask, base, tb, tca[TCA_RATE], ovr,
tp->chain->tmplt_priv, extack);
if (err)
goto errout_idr;
- err = fl_check_assign_mask(head, fnew, fold, &mask);
+ err = fl_check_assign_mask(head, fnew, fold, mask);
if (err)
goto errout_idr;
@@ -1392,6 +1398,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
}
kfree(tb);
+ kfree(mask);
return 0;
errout_mask:
@@ -1405,6 +1412,8 @@ errout:
kfree(fnew);
errout_tb:
kfree(tb);
+errout_mask_alloc:
+ kfree(mask);
return err;
}
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index b910cd5c56f7..73940293700d 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1667,7 +1667,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
if (skb_is_gso(skb) && q->rate_flags & CAKE_FLAG_SPLIT_GSO) {
struct sk_buff *segs, *nskb;
netdev_features_t features = netif_skb_features(skb);
- unsigned int slen = 0;
+ unsigned int slen = 0, numsegs = 0;
segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
if (IS_ERR_OR_NULL(segs))
@@ -1683,6 +1683,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
flow_queue_add(flow, segs);
sch->q.qlen++;
+ numsegs++;
slen += segs->len;
q->buffer_used += segs->truesize;
b->packets++;
@@ -1696,7 +1697,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
sch->qstats.backlog += slen;
q->avg_window_bytes += slen;
- qdisc_tree_reduce_backlog(sch, 1, len);
+ qdisc_tree_reduce_backlog(sch, 1-numsegs, len-slen);
consume_skb(skb);
} else {
/* not splitting */
diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c
index e689e11b6d0f..c6a502933fe7 100644
--- a/net/sched/sch_cbs.c
+++ b/net/sched/sch_cbs.c
@@ -88,13 +88,14 @@ static int cbs_child_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct Qdisc *child,
struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
int err;
err = child->ops->enqueue(skb, child, to_free);
if (err != NET_XMIT_SUCCESS)
return err;
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index cdebaed0f8cf..09b800991065 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -350,9 +350,11 @@ static struct drr_class *drr_classify(struct sk_buff *skb, struct Qdisc *sch,
static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
struct drr_sched *q = qdisc_priv(sch);
struct drr_class *cl;
int err = 0;
+ bool first;
cl = drr_classify(skb, sch, &err);
if (cl == NULL) {
@@ -362,6 +364,7 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return err;
}
+ first = !cl->qdisc->q.qlen;
err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
if (net_xmit_drop_count(err)) {
@@ -371,12 +374,12 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return err;
}
- if (cl->qdisc->q.qlen == 1) {
+ if (first) {
list_add_tail(&cl->alist, &q->active);
cl->deficit = cl->quantum;
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return err;
}
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index f6f480784bc6..42471464ded3 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -199,6 +199,7 @@ static struct tcf_block *dsmark_tcf_block(struct Qdisc *sch, unsigned long cl,
static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
struct dsmark_qdisc_data *p = qdisc_priv(sch);
int err;
@@ -271,7 +272,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return err;
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index b18ec1f6de60..24cc220a3218 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1539,8 +1539,10 @@ hfsc_dump_qdisc(struct Qdisc *sch, struct sk_buff *skb)
static int
hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
struct hfsc_class *cl;
int uninitialized_var(err);
+ bool first;
cl = hfsc_classify(skb, sch, &err);
if (cl == NULL) {
@@ -1550,6 +1552,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
return err;
}
+ first = !cl->qdisc->q.qlen;
err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
if (net_xmit_drop_count(err)) {
@@ -1559,9 +1562,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
return err;
}
- if (cl->qdisc->q.qlen == 1) {
- unsigned int len = qdisc_pkt_len(skb);
-
+ if (first) {
if (cl->cl_flags & HFSC_RSC)
init_ed(cl, len);
if (cl->cl_flags & HFSC_FSC)
@@ -1576,7 +1577,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 58b449490757..30f9da7e1076 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -581,6 +581,7 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
int uninitialized_var(ret);
+ unsigned int len = qdisc_pkt_len(skb);
struct htb_sched *q = qdisc_priv(sch);
struct htb_class *cl = htb_classify(skb, sch, &ret);
@@ -610,7 +611,7 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
htb_activate(q, cl);
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
}
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index cdf68706e40f..847141cd900f 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -72,6 +72,7 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
static int
prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
struct Qdisc *qdisc;
int ret;
@@ -88,7 +89,7 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
ret = qdisc_enqueue(skb, qdisc, to_free);
if (ret == NET_XMIT_SUCCESS) {
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
}
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index dc37c4ead439..29f5c4a24688 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -1210,10 +1210,12 @@ static struct qfq_aggregate *qfq_choose_next_agg(struct qfq_sched *q)
static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb), gso_segs;
struct qfq_sched *q = qdisc_priv(sch);
struct qfq_class *cl;
struct qfq_aggregate *agg;
int err = 0;
+ bool first;
cl = qfq_classify(skb, sch, &err);
if (cl == NULL) {
@@ -1224,17 +1226,18 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
}
pr_debug("qfq_enqueue: cl = %x\n", cl->common.classid);
- if (unlikely(cl->agg->lmax < qdisc_pkt_len(skb))) {
+ if (unlikely(cl->agg->lmax < len)) {
pr_debug("qfq: increasing maxpkt from %u to %u for class %u",
- cl->agg->lmax, qdisc_pkt_len(skb), cl->common.classid);
- err = qfq_change_agg(sch, cl, cl->agg->class_weight,
- qdisc_pkt_len(skb));
+ cl->agg->lmax, len, cl->common.classid);
+ err = qfq_change_agg(sch, cl, cl->agg->class_weight, len);
if (err) {
cl->qstats.drops++;
return qdisc_drop(skb, sch, to_free);
}
}
+ gso_segs = skb_is_gso(skb) ? skb_shinfo(skb)->gso_segs : 1;
+ first = !cl->qdisc->q.qlen;
err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
pr_debug("qfq_enqueue: enqueue failed %d\n", err);
@@ -1245,16 +1248,17 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return err;
}
- bstats_update(&cl->bstats, skb);
- qdisc_qstats_backlog_inc(sch, skb);
+ cl->bstats.bytes += len;
+ cl->bstats.packets += gso_segs;
+ sch->qstats.backlog += len;
++sch->q.qlen;
agg = cl->agg;
/* if the queue was not empty, then done here */
- if (cl->qdisc->q.qlen != 1) {
+ if (!first) {
if (unlikely(skb == cl->qdisc->ops->peek(cl->qdisc)) &&
list_first_entry(&agg->active, struct qfq_class, alist)
- == cl && cl->deficit < qdisc_pkt_len(skb))
+ == cl && cl->deficit < len)
list_move_tail(&cl->alist, &agg->active);
return err;
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index 942dcca09cf2..7f272a9070c5 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -185,6 +185,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct tbf_sched_data *q = qdisc_priv(sch);
+ unsigned int len = qdisc_pkt_len(skb);
int ret;
if (qdisc_pkt_len(skb) > q->max_size) {
@@ -200,7 +201,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return ret;
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index b9ed271b7ef7..ed8e006dae85 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -97,11 +97,9 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
switch (ev) {
case NETDEV_UP:
- addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+ addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v6.sin6_family = AF_INET6;
- addr->a.v6.sin6_port = 0;
- addr->a.v6.sin6_flowinfo = 0;
addr->a.v6.sin6_addr = ifa->addr;
addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex;
addr->valid = 1;
@@ -434,7 +432,6 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist,
addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v6.sin6_family = AF_INET6;
- addr->a.v6.sin6_port = 0;
addr->a.v6.sin6_addr = ifp->addr;
addr->a.v6.sin6_scope_id = dev->ifindex;
addr->valid = 1;
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index d5878ae55840..4e0eeb113ef5 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -101,7 +101,6 @@ static void sctp_v4_copy_addrlist(struct list_head *addrlist,
addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v4.sin_family = AF_INET;
- addr->a.v4.sin_port = 0;
addr->a.v4.sin_addr.s_addr = ifa->ifa_local;
addr->valid = 1;
INIT_LIST_HEAD(&addr->list);
@@ -776,10 +775,9 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
switch (ev) {
case NETDEV_UP:
- addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+ addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
addr->a.v4.sin_family = AF_INET;
- addr->a.v4.sin_port = 0;
addr->a.v4.sin_addr.s_addr = ifa->ifa_local;
addr->valid = 1;
spin_lock_bh(&net->sctp.local_addr_lock);
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index c4da4a78d369..c4e56602e0c6 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -146,6 +146,9 @@ static int smc_release(struct socket *sock)
sock_set_flag(sk, SOCK_DEAD);
sk->sk_shutdown |= SHUTDOWN_MASK;
}
+
+ sk->sk_prot->unhash(sk);
+
if (smc->clcsock) {
if (smc->use_fallback && sk->sk_state == SMC_LISTEN) {
/* wake up clcsock accept */
@@ -170,7 +173,6 @@ static int smc_release(struct socket *sock)
smc_conn_free(&smc->conn);
release_sock(sk);
- sk->sk_prot->unhash(sk);
sock_put(sk); /* final sock_put */
out:
return rc;
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 1ff9768f5456..f3023bbc0b7f 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -41,6 +41,9 @@ static unsigned long number_cred_unused;
static struct cred machine_cred = {
.usage = ATOMIC_INIT(1),
+#ifdef CONFIG_DEBUG_CREDENTIALS
+ .magic = CRED_MAGIC,
+#endif
};
/*
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index dc86713b32b6..1531b0219344 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -1549,8 +1549,10 @@ gss_marshal(struct rpc_task *task, __be32 *p)
cred_len = p++;
spin_lock(&ctx->gc_seq_lock);
- req->rq_seqno = ctx->gc_seq++;
+ req->rq_seqno = (ctx->gc_seq < MAXSEQ) ? ctx->gc_seq++ : MAXSEQ;
spin_unlock(&ctx->gc_seq_lock);
+ if (req->rq_seqno == MAXSEQ)
+ goto out_expired;
*p++ = htonl((u32) RPC_GSS_VERSION);
*p++ = htonl((u32) ctx->gc_proc);
@@ -1572,14 +1574,18 @@ gss_marshal(struct rpc_task *task, __be32 *p)
mic.data = (u8 *)(p + 1);
maj_stat = gss_get_mic(ctx->gc_gss_ctx, &verf_buf, &mic);
if (maj_stat == GSS_S_CONTEXT_EXPIRED) {
- clear_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags);
+ goto out_expired;
} else if (maj_stat != 0) {
- printk("gss_marshal: gss_get_mic FAILED (%d)\n", maj_stat);
+ pr_warn("gss_marshal: gss_get_mic FAILED (%d)\n", maj_stat);
+ task->tk_status = -EIO;
goto out_put_ctx;
}
p = xdr_encode_opaque(p, NULL, mic.len);
gss_put_ctx(ctx);
return p;
+out_expired:
+ clear_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags);
+ task->tk_status = -EKEYEXPIRED;
out_put_ctx:
gss_put_ctx(ctx);
return NULL;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 71d9599b5816..d7ec6132c046 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1739,14 +1739,10 @@ rpc_xdr_encode(struct rpc_task *task)
xdr_buf_init(&req->rq_rcv_buf,
req->rq_rbuffer,
req->rq_rcvsize);
- req->rq_bytes_sent = 0;
p = rpc_encode_header(task);
- if (p == NULL) {
- printk(KERN_INFO "RPC: couldn't encode RPC header, exit EIO\n");
- rpc_exit(task, -EIO);
+ if (p == NULL)
return;
- }
encode = task->tk_msg.rpc_proc->p_encode;
if (encode == NULL)
@@ -1771,10 +1767,17 @@ call_encode(struct rpc_task *task)
/* Did the encode result in an error condition? */
if (task->tk_status != 0) {
/* Was the error nonfatal? */
- if (task->tk_status == -EAGAIN || task->tk_status == -ENOMEM)
+ switch (task->tk_status) {
+ case -EAGAIN:
+ case -ENOMEM:
rpc_delay(task, HZ >> 4);
- else
+ break;
+ case -EKEYEXPIRED:
+ task->tk_action = call_refresh;
+ break;
+ default:
rpc_exit(task, task->tk_status);
+ }
return;
}
@@ -2336,7 +2339,8 @@ rpc_encode_header(struct rpc_task *task)
*p++ = htonl(clnt->cl_vers); /* program version */
*p++ = htonl(task->tk_msg.rpc_proc->p_proc); /* procedure */
p = rpcauth_marshcred(task, p);
- req->rq_slen = xdr_adjust_iovec(&req->rq_svec[0], p);
+ if (p)
+ req->rq_slen = xdr_adjust_iovec(&req->rq_svec[0], p);
return p;
}
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 73547d17d3c6..f1ec2110efeb 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1151,6 +1151,7 @@ xprt_request_enqueue_transmit(struct rpc_task *task)
struct rpc_xprt *xprt = req->rq_xprt;
if (xprt_request_need_enqueue_transmit(task, req)) {
+ req->rq_bytes_sent = 0;
spin_lock(&xprt->queue_lock);
/*
* Requests that carry congestion control credits are added
@@ -1177,7 +1178,7 @@ xprt_request_enqueue_transmit(struct rpc_task *task)
INIT_LIST_HEAD(&req->rq_xmit2);
goto out;
}
- } else {
+ } else if (!req->rq_seqno) {
list_for_each_entry(pos, &xprt->xmit_queue, rq_xmit) {
if (pos->rq_task->tk_owner != task->tk_owner)
continue;
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 7749a2bf6887..4994e75945b8 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -845,17 +845,13 @@ static int rpcrdma_sendctxs_create(struct rpcrdma_xprt *r_xprt)
for (i = 0; i <= buf->rb_sc_last; i++) {
sc = rpcrdma_sendctx_create(&r_xprt->rx_ia);
if (!sc)
- goto out_destroy;
+ return -ENOMEM;
sc->sc_xprt = r_xprt;
buf->rb_sc_ctxs[i] = sc;
}
return 0;
-
-out_destroy:
- rpcrdma_sendctxs_destroy(buf);
- return -ENOMEM;
}
/* The sendctx queue is not guaranteed to have a size that is a
@@ -1113,8 +1109,10 @@ rpcrdma_buffer_create(struct rpcrdma_xprt *r_xprt)
WQ_MEM_RECLAIM | WQ_HIGHPRI,
0,
r_xprt->rx_xprt.address_strings[RPC_DISPLAY_ADDR]);
- if (!buf->rb_completion_wq)
+ if (!buf->rb_completion_wq) {
+ rc = -ENOMEM;
goto out;
+ }
return 0;
out:
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 13559e6a460b..7754aa3e434f 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -48,6 +48,7 @@
#include <net/udp.h>
#include <net/tcp.h>
#include <linux/bvec.h>
+#include <linux/highmem.h>
#include <linux/uio.h>
#include <trace/events/sunrpc.h>
@@ -376,6 +377,26 @@ xs_read_discard(struct socket *sock, struct msghdr *msg, int flags,
return sock_recvmsg(sock, msg, flags);
}
+#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
+static void
+xs_flush_bvec(const struct bio_vec *bvec, size_t count, size_t seek)
+{
+ struct bvec_iter bi = {
+ .bi_size = count,
+ };
+ struct bio_vec bv;
+
+ bvec_iter_advance(bvec, &bi, seek & PAGE_MASK);
+ for_each_bvec(bv, bvec, bi, bi)
+ flush_dcache_page(bv.bv_page);
+}
+#else
+static inline void
+xs_flush_bvec(const struct bio_vec *bvec, size_t count, size_t seek)
+{
+}
+#endif
+
static ssize_t
xs_read_xdr_buf(struct socket *sock, struct msghdr *msg, int flags,
struct xdr_buf *buf, size_t count, size_t seek, size_t *read)
@@ -409,6 +430,7 @@ xs_read_xdr_buf(struct socket *sock, struct msghdr *msg, int flags,
seek + buf->page_base);
if (ret <= 0)
goto sock_err;
+ xs_flush_bvec(buf->bvec, ret, seek + buf->page_base);
offset += ret - buf->page_base;
if (offset == count || msg->msg_flags & (MSG_EOR|MSG_TRUNC))
goto out;
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 40f5cae623a7..4ad3586da8f0 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -87,6 +87,11 @@ static int tipc_skb_tailroom(struct sk_buff *skb)
return limit;
}
+static inline int TLV_GET_DATA_LEN(struct tlv_desc *tlv)
+{
+ return TLV_GET_LEN(tlv) - TLV_SPACE(0);
+}
+
static int tipc_add_tlv(struct sk_buff *skb, u16 type, void *data, u16 len)
{
struct tlv_desc *tlv = (struct tlv_desc *)skb_tail_pointer(skb);
@@ -166,6 +171,11 @@ static struct sk_buff *tipc_get_err_tlv(char *str)
return buf;
}
+static inline bool string_is_valid(char *s, int len)
+{
+ return memchr(s, '\0', len) ? true : false;
+}
+
static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
struct tipc_nl_compat_msg *msg,
struct sk_buff *arg)
@@ -379,6 +389,7 @@ static int tipc_nl_compat_bearer_enable(struct tipc_nl_compat_cmd_doit *cmd,
struct nlattr *prop;
struct nlattr *bearer;
struct tipc_bearer_config *b;
+ int len;
b = (struct tipc_bearer_config *)TLV_DATA(msg->req);
@@ -386,6 +397,10 @@ static int tipc_nl_compat_bearer_enable(struct tipc_nl_compat_cmd_doit *cmd,
if (!bearer)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_BEARER_NAME);
+ if (!string_is_valid(b->name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, b->name))
return -EMSGSIZE;
@@ -411,6 +426,7 @@ static int tipc_nl_compat_bearer_disable(struct tipc_nl_compat_cmd_doit *cmd,
{
char *name;
struct nlattr *bearer;
+ int len;
name = (char *)TLV_DATA(msg->req);
@@ -418,6 +434,10 @@ static int tipc_nl_compat_bearer_disable(struct tipc_nl_compat_cmd_doit *cmd,
if (!bearer)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_BEARER_NAME);
+ if (!string_is_valid(name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, name))
return -EMSGSIZE;
@@ -478,6 +498,7 @@ static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg,
struct nlattr *prop[TIPC_NLA_PROP_MAX + 1];
struct nlattr *stats[TIPC_NLA_STATS_MAX + 1];
int err;
+ int len;
if (!attrs[TIPC_NLA_LINK])
return -EINVAL;
@@ -504,6 +525,11 @@ static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg,
return err;
name = (char *)TLV_DATA(msg->req);
+
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_LINK_NAME);
+ if (!string_is_valid(name, len))
+ return -EINVAL;
+
if (strcmp(name, nla_data(link[TIPC_NLA_LINK_NAME])) != 0)
return 0;
@@ -644,6 +670,7 @@ static int tipc_nl_compat_media_set(struct sk_buff *skb,
struct nlattr *prop;
struct nlattr *media;
struct tipc_link_config *lc;
+ int len;
lc = (struct tipc_link_config *)TLV_DATA(msg->req);
@@ -651,6 +678,10 @@ static int tipc_nl_compat_media_set(struct sk_buff *skb,
if (!media)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_MEDIA_NAME);
+ if (!string_is_valid(lc->name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_MEDIA_NAME, lc->name))
return -EMSGSIZE;
@@ -671,6 +702,7 @@ static int tipc_nl_compat_bearer_set(struct sk_buff *skb,
struct nlattr *prop;
struct nlattr *bearer;
struct tipc_link_config *lc;
+ int len;
lc = (struct tipc_link_config *)TLV_DATA(msg->req);
@@ -678,6 +710,10 @@ static int tipc_nl_compat_bearer_set(struct sk_buff *skb,
if (!bearer)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_MEDIA_NAME);
+ if (!string_is_valid(lc->name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, lc->name))
return -EMSGSIZE;
@@ -726,9 +762,14 @@ static int tipc_nl_compat_link_set(struct tipc_nl_compat_cmd_doit *cmd,
struct tipc_link_config *lc;
struct tipc_bearer *bearer;
struct tipc_media *media;
+ int len;
lc = (struct tipc_link_config *)TLV_DATA(msg->req);
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_LINK_NAME);
+ if (!string_is_valid(lc->name, len))
+ return -EINVAL;
+
media = tipc_media_find(lc->name);
if (media) {
cmd->doit = &__tipc_nl_media_set;
@@ -750,6 +791,7 @@ static int tipc_nl_compat_link_reset_stats(struct tipc_nl_compat_cmd_doit *cmd,
{
char *name;
struct nlattr *link;
+ int len;
name = (char *)TLV_DATA(msg->req);
@@ -757,6 +799,10 @@ static int tipc_nl_compat_link_reset_stats(struct tipc_nl_compat_cmd_doit *cmd,
if (!link)
return -EMSGSIZE;
+ len = min_t(int, TLV_GET_DATA_LEN(msg->req), TIPC_MAX_LINK_NAME);
+ if (!string_is_valid(name, len))
+ return -EINVAL;
+
if (nla_put_string(skb, TIPC_NLA_LINK_NAME, name))
return -EMSGSIZE;
@@ -778,6 +824,8 @@ static int tipc_nl_compat_name_table_dump_header(struct tipc_nl_compat_msg *msg)
};
ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req);
+ if (TLV_GET_DATA_LEN(msg->req) < sizeof(struct tipc_name_table_query))
+ return -EINVAL;
depth = ntohl(ntq->depth);
@@ -904,8 +952,10 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock)
hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI,
TIPC_NL_PUBL_GET);
- if (!hdr)
+ if (!hdr) {
+ kfree_skb(args);
return -EMSGSIZE;
+ }
nest = nla_nest_start(args, TIPC_NLA_SOCK);
if (!nest) {
@@ -1206,7 +1256,7 @@ static int tipc_nl_compat_recv(struct sk_buff *skb, struct genl_info *info)
}
len = nlmsg_attrlen(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN);
- if (len && !TLV_OK(msg.req, len)) {
+ if (!len || !TLV_OK(msg.req, len)) {
msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_SUPPORTED);
err = -EOPNOTSUPP;
goto send;
diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c
index efb16f69bd2c..a457c0fbbef1 100644
--- a/net/tipc/topsrv.c
+++ b/net/tipc/topsrv.c
@@ -398,7 +398,7 @@ static int tipc_conn_rcv_from_sock(struct tipc_conn *con)
ret = sock_recvmsg(con->sock, &msg, MSG_DONTWAIT);
if (ret == -EWOULDBLOCK)
return -EWOULDBLOCK;
- if (ret > 0) {
+ if (ret == sizeof(s)) {
read_lock_bh(&sk->sk_callback_lock);
ret = tipc_conn_rcv_sub(srv, con, &s);
read_unlock_bh(&sk->sk_callback_lock);
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index a264cf2accd0..d4de871e7d4d 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -41,13 +41,20 @@ void xdp_del_sk_umem(struct xdp_umem *umem, struct xdp_sock *xs)
* not know if the device has more tx queues than rx, or the opposite.
* This might also change during run time.
*/
-static void xdp_reg_umem_at_qid(struct net_device *dev, struct xdp_umem *umem,
- u16 queue_id)
+static int xdp_reg_umem_at_qid(struct net_device *dev, struct xdp_umem *umem,
+ u16 queue_id)
{
+ if (queue_id >= max_t(unsigned int,
+ dev->real_num_rx_queues,
+ dev->real_num_tx_queues))
+ return -EINVAL;
+
if (queue_id < dev->real_num_rx_queues)
dev->_rx[queue_id].umem = umem;
if (queue_id < dev->real_num_tx_queues)
dev->_tx[queue_id].umem = umem;
+
+ return 0;
}
struct xdp_umem *xdp_get_umem_from_qid(struct net_device *dev,
@@ -88,7 +95,10 @@ int xdp_umem_assign_dev(struct xdp_umem *umem, struct net_device *dev,
goto out_rtnl_unlock;
}
- xdp_reg_umem_at_qid(dev, umem, queue_id);
+ err = xdp_reg_umem_at_qid(dev, umem, queue_id);
+ if (err)
+ goto out_rtnl_unlock;
+
umem->dev = dev;
umem->queue_id = queue_id;
if (force_copy)