diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/appletalk/ddp.c | 5 | ||||
-rw-r--r-- | net/ax25/af_ax25.c | 2 | ||||
-rw-r--r-- | net/batman-adv/Kconfig | 10 | ||||
-rw-r--r-- | net/core/dst.c | 4 | ||||
-rw-r--r-- | net/ieee802154/socket.c | 3 | ||||
-rw-r--r-- | net/ife/Kconfig | 2 | ||||
-rw-r--r-- | net/ipv4/Kconfig | 4 | ||||
-rw-r--r-- | net/ipv6/netfilter/Kconfig | 16 | ||||
-rw-r--r-- | net/netfilter/Kconfig | 2 | ||||
-rw-r--r-- | net/netfilter/ipvs/Kconfig | 6 | ||||
-rw-r--r-- | net/nfc/llcp_sock.c | 7 | ||||
-rw-r--r-- | net/rds/Kconfig | 4 | ||||
-rw-r--r-- | net/sched/Kconfig | 144 | ||||
-rw-r--r-- | net/sched/cls_api.c | 6 | ||||
-rw-r--r-- | net/sched/sch_cbs.c | 30 |
15 files changed, 128 insertions, 117 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 4072e9d394d6..b41375d4d295 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1023,6 +1023,11 @@ static int atalk_create(struct net *net, struct socket *sock, int protocol, */ if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM) goto out; + + rc = -EPERM; + if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW)) + goto out; + rc = -ENOMEM; sk = sk_alloc(net, PF_APPLETALK, GFP_KERNEL, &ddp_proto, kern); if (!sk) diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index ca5207767dc2..bb222b882b67 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -855,6 +855,8 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol, break; case SOCK_RAW: + if (!capable(CAP_NET_RAW)) + return -EPERM; break; default: return -ESOCKTNOSUPPORT; diff --git a/net/batman-adv/Kconfig b/net/batman-adv/Kconfig index a3d188dfbe75..d5028af750d5 100644 --- a/net/batman-adv/Kconfig +++ b/net/batman-adv/Kconfig @@ -12,11 +12,11 @@ config BATMAN_ADV depends on NET select LIBCRC32C help - B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is - a routing protocol for multi-hop ad-hoc mesh networks. The - networks may be wired or wireless. See - https://www.open-mesh.org/ for more information and user space - tools. + B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is + a routing protocol for multi-hop ad-hoc mesh networks. The + networks may be wired or wireless. See + https://www.open-mesh.org/ for more information and user space + tools. config BATMAN_ADV_BATMAN_V bool "B.A.T.M.A.N. V protocol" diff --git a/net/core/dst.c b/net/core/dst.c index 1325316d9eab..193af526e908 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -172,7 +172,7 @@ void dst_release(struct dst_entry *dst) int newrefcnt; newrefcnt = atomic_dec_return(&dst->__refcnt); - if (unlikely(newrefcnt < 0)) + if (WARN_ONCE(newrefcnt < 0, "dst_release underflow")) net_warn_ratelimited("%s: dst:%p refcnt:%d\n", __func__, dst, newrefcnt); if (!newrefcnt) @@ -187,7 +187,7 @@ void dst_release_immediate(struct dst_entry *dst) int newrefcnt; newrefcnt = atomic_dec_return(&dst->__refcnt); - if (unlikely(newrefcnt < 0)) + if (WARN_ONCE(newrefcnt < 0, "dst_release_immediate underflow")) net_warn_ratelimited("%s: dst:%p refcnt:%d\n", __func__, dst, newrefcnt); if (!newrefcnt) diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index badc5cfe4dc6..d93d4531aa9b 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -1008,6 +1008,9 @@ static int ieee802154_create(struct net *net, struct socket *sock, switch (sock->type) { case SOCK_RAW: + rc = -EPERM; + if (!capable(CAP_NET_RAW)) + goto out; proto = &ieee802154_raw_prot; ops = &ieee802154_raw_ops; break; diff --git a/net/ife/Kconfig b/net/ife/Kconfig index 6cd1f6d18f30..bcf650564db4 100644 --- a/net/ife/Kconfig +++ b/net/ife/Kconfig @@ -5,7 +5,7 @@ menuconfig NET_IFE depends on NET - tristate "Inter-FE based on IETF ForCES InterFE LFB" + tristate "Inter-FE based on IETF ForCES InterFE LFB" default n help Say Y here to add support of IFE encapsulation protocol diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index 974de4d20f25..03381f3e12ba 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig @@ -492,8 +492,8 @@ config TCP_CONG_WESTWOOD wired networks and throughput over wireless links. config TCP_CONG_HTCP - tristate "H-TCP" - default m + tristate "H-TCP" + default m ---help--- H-TCP is a send-side only modifications of the TCP Reno protocol stack that optimizes the performance of TCP diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig index 6120a7800975..69443e9a3aa5 100644 --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig @@ -170,13 +170,13 @@ config IP6_NF_MATCH_RT To compile it as a module, choose M here. If unsure, say N. config IP6_NF_MATCH_SRH - tristate '"srh" Segment Routing header match support' - depends on NETFILTER_ADVANCED - help - srh matching allows you to match packets based on the segment + tristate '"srh" Segment Routing header match support' + depends on NETFILTER_ADVANCED + help + srh matching allows you to match packets based on the segment routing header of the packet. - To compile it as a module, choose M here. If unsure, say N. + To compile it as a module, choose M here. If unsure, say N. # The targets config IP6_NF_TARGET_HL @@ -249,10 +249,10 @@ config IP6_NF_SECURITY depends on SECURITY depends on NETFILTER_ADVANCED help - This option adds a `security' table to iptables, for use - with Mandatory Access Control (MAC) policy. + This option adds a `security' table to iptables, for use + with Mandatory Access Control (MAC) policy. - If unsure, say N. + If unsure, say N. config IP6_NF_NAT tristate "ip6tables NAT support" diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 34ec7afec116..91efae88e8c2 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -697,7 +697,7 @@ config NF_FLOW_TABLE_INET tristate "Netfilter flow table mixed IPv4/IPv6 module" depends on NF_FLOW_TABLE help - This option adds the flow table mixed IPv4/IPv6 support. + This option adds the flow table mixed IPv4/IPv6 support. To compile it as a module, choose M here. diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig index f6f1a0d5c47d..5b672e05d758 100644 --- a/net/netfilter/ipvs/Kconfig +++ b/net/netfilter/ipvs/Kconfig @@ -135,7 +135,7 @@ config IP_VS_WRR module, choose M here. If unsure, say N. config IP_VS_LC - tristate "least-connection scheduling" + tristate "least-connection scheduling" ---help--- The least-connection scheduling algorithm directs network connections to the server with the least number of active @@ -145,7 +145,7 @@ config IP_VS_LC module, choose M here. If unsure, say N. config IP_VS_WLC - tristate "weighted least-connection scheduling" + tristate "weighted least-connection scheduling" ---help--- The weighted least-connection scheduling algorithm directs network connections to the server with the least active connections @@ -333,7 +333,7 @@ config IP_VS_NFCT config IP_VS_PE_SIP tristate "SIP persistence engine" - depends on IP_VS_PROTO_UDP + depends on IP_VS_PROTO_UDP depends on NF_CONNTRACK_SIP ---help--- Allow persistence based on the SIP Call-ID diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index 9b8742947aff..8dfea26536c9 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -1004,10 +1004,13 @@ static int llcp_sock_create(struct net *net, struct socket *sock, sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; - if (sock->type == SOCK_RAW) + if (sock->type == SOCK_RAW) { + if (!capable(CAP_NET_RAW)) + return -EPERM; sock->ops = &llcp_rawsock_ops; - else + } else { sock->ops = &llcp_sock_ops; + } sk = nfc_llcp_sock_alloc(sock, sock->type, GFP_ATOMIC, kern); if (sk == NULL) diff --git a/net/rds/Kconfig b/net/rds/Kconfig index 38ea7f0f2699..c64e154bc18f 100644 --- a/net/rds/Kconfig +++ b/net/rds/Kconfig @@ -23,6 +23,6 @@ config RDS_TCP This transport does not support RDMA operations. config RDS_DEBUG - bool "RDS debugging messages" + bool "RDS debugging messages" depends on RDS - default n + default n diff --git a/net/sched/Kconfig b/net/sched/Kconfig index b3faafeafab9..5b044ae6dc1e 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -324,7 +324,7 @@ config NET_SCH_CAKE tristate "Common Applications Kept Enhanced (CAKE)" help Say Y here if you want to use the Common Applications Kept Enhanced - (CAKE) queue management algorithm. + (CAKE) queue management algorithm. To compile this driver as a module, choose M here: the module will be called sch_cake. @@ -730,8 +730,8 @@ config NET_CLS_ACT config NET_ACT_POLICE tristate "Traffic Policing" - depends on NET_CLS_ACT - ---help--- + depends on NET_CLS_ACT + ---help--- Say Y here if you want to do traffic policing, i.e. strict bandwidth limiting. This action replaces the existing policing module. @@ -740,9 +740,9 @@ config NET_ACT_POLICE module will be called act_police. config NET_ACT_GACT - tristate "Generic actions" - depends on NET_CLS_ACT - ---help--- + tristate "Generic actions" + depends on NET_CLS_ACT + ---help--- Say Y here to take generic actions such as dropping and accepting packets. @@ -750,15 +750,15 @@ config NET_ACT_GACT module will be called act_gact. config GACT_PROB - bool "Probability support" - depends on NET_ACT_GACT - ---help--- + bool "Probability support" + depends on NET_ACT_GACT + ---help--- Say Y here to use the generic action randomly or deterministically. config NET_ACT_MIRRED - tristate "Redirecting and Mirroring" - depends on NET_CLS_ACT - ---help--- + tristate "Redirecting and Mirroring" + depends on NET_CLS_ACT + ---help--- Say Y here to allow packets to be mirrored or redirected to other devices. @@ -766,10 +766,10 @@ config NET_ACT_MIRRED module will be called act_mirred. config NET_ACT_SAMPLE - tristate "Traffic Sampling" - depends on NET_CLS_ACT - select PSAMPLE - ---help--- + tristate "Traffic Sampling" + depends on NET_CLS_ACT + select PSAMPLE + ---help--- Say Y here to allow packet sampling tc action. The packet sample action consists of statistically choosing packets and sampling them using the psample module. @@ -778,9 +778,9 @@ config NET_ACT_SAMPLE module will be called act_sample. config NET_ACT_IPT - tristate "IPtables targets" - depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES - ---help--- + tristate "IPtables targets" + depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES + ---help--- Say Y here to be able to invoke iptables targets after successful classification. @@ -788,9 +788,9 @@ config NET_ACT_IPT module will be called act_ipt. config NET_ACT_NAT - tristate "Stateless NAT" - depends on NET_CLS_ACT - ---help--- + tristate "Stateless NAT" + depends on NET_CLS_ACT + ---help--- Say Y here to do stateless NAT on IPv4 packets. You should use netfilter for NAT unless you know what you are doing. @@ -798,18 +798,18 @@ config NET_ACT_NAT module will be called act_nat. config NET_ACT_PEDIT - tristate "Packet Editing" - depends on NET_CLS_ACT - ---help--- + tristate "Packet Editing" + depends on NET_CLS_ACT + ---help--- Say Y here if you want to mangle the content of packets. To compile this code as a module, choose M here: the module will be called act_pedit. config NET_ACT_SIMP - tristate "Simple Example (Debug)" - depends on NET_CLS_ACT - ---help--- + tristate "Simple Example (Debug)" + depends on NET_CLS_ACT + ---help--- Say Y here to add a simple action for demonstration purposes. It is meant as an example and for debugging purposes. It will print a configured policy string followed by the packet count @@ -821,9 +821,9 @@ config NET_ACT_SIMP module will be called act_simple. config NET_ACT_SKBEDIT - tristate "SKB Editing" - depends on NET_CLS_ACT - ---help--- + tristate "SKB Editing" + depends on NET_CLS_ACT + ---help--- Say Y here to change skb priority or queue_mapping settings. If unsure, say N. @@ -832,10 +832,10 @@ config NET_ACT_SKBEDIT module will be called act_skbedit. config NET_ACT_CSUM - tristate "Checksum Updating" - depends on NET_CLS_ACT && INET - select LIBCRC32C - ---help--- + tristate "Checksum Updating" + depends on NET_CLS_ACT && INET + select LIBCRC32C + ---help--- Say Y here to update some common checksum after some direct packet alterations. @@ -854,9 +854,9 @@ config NET_ACT_MPLS module will be called act_mpls. config NET_ACT_VLAN - tristate "Vlan manipulation" - depends on NET_CLS_ACT - ---help--- + tristate "Vlan manipulation" + depends on NET_CLS_ACT + ---help--- Say Y here to push or pop vlan headers. If unsure, say N. @@ -865,9 +865,9 @@ config NET_ACT_VLAN module will be called act_vlan. config NET_ACT_BPF - tristate "BPF based action" - depends on NET_CLS_ACT - ---help--- + tristate "BPF based action" + depends on NET_CLS_ACT + ---help--- Say Y here to execute BPF code on packets. The BPF code will decide if the packet should be dropped or not. @@ -877,10 +877,10 @@ config NET_ACT_BPF module will be called act_bpf. config NET_ACT_CONNMARK - tristate "Netfilter Connection Mark Retriever" - depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES - depends on NF_CONNTRACK && NF_CONNTRACK_MARK - ---help--- + tristate "Netfilter Connection Mark Retriever" + depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES + depends on NF_CONNTRACK && NF_CONNTRACK_MARK + ---help--- Say Y here to allow retrieving of conn mark If unsure, say N. @@ -889,10 +889,10 @@ config NET_ACT_CONNMARK module will be called act_connmark. config NET_ACT_CTINFO - tristate "Netfilter Connection Mark Actions" - depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES - depends on NF_CONNTRACK && NF_CONNTRACK_MARK - help + tristate "Netfilter Connection Mark Actions" + depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES + depends on NF_CONNTRACK && NF_CONNTRACK_MARK + help Say Y here to allow transfer of a connmark stored information. Current actions transfer connmark stored DSCP into ipv4/v6 diffserv and/or to transfer connmark to packet @@ -906,21 +906,21 @@ config NET_ACT_CTINFO module will be called act_ctinfo. config NET_ACT_SKBMOD - tristate "skb data modification action" - depends on NET_CLS_ACT - ---help--- - Say Y here to allow modification of skb data + tristate "skb data modification action" + depends on NET_CLS_ACT + ---help--- + Say Y here to allow modification of skb data - If unsure, say N. + If unsure, say N. - To compile this code as a module, choose M here: the - module will be called act_skbmod. + To compile this code as a module, choose M here: the + module will be called act_skbmod. config NET_ACT_IFE - tristate "Inter-FE action based on IETF ForCES InterFE LFB" - depends on NET_CLS_ACT - select NET_IFE - ---help--- + tristate "Inter-FE action based on IETF ForCES InterFE LFB" + depends on NET_CLS_ACT + select NET_IFE + ---help--- Say Y here to allow for sourcing and terminating metadata For details refer to netdev01 paper: "Distributing Linux Traffic Control Classifier-Action Subsystem" @@ -930,9 +930,9 @@ config NET_ACT_IFE module will be called act_ife. config NET_ACT_TUNNEL_KEY - tristate "IP tunnel metadata manipulation" - depends on NET_CLS_ACT - ---help--- + tristate "IP tunnel metadata manipulation" + depends on NET_CLS_ACT + ---help--- Say Y here to set/release ip tunnel metadata. If unsure, say N. @@ -941,9 +941,9 @@ config NET_ACT_TUNNEL_KEY module will be called act_tunnel_key. config NET_ACT_CT - tristate "connection tracking tc action" - depends on NET_CLS_ACT && NF_CONNTRACK && NF_NAT - help + tristate "connection tracking tc action" + depends on NET_CLS_ACT && NF_CONNTRACK && NF_NAT + help Say Y here to allow sending the packets to conntrack module. If unsure, say N. @@ -952,16 +952,16 @@ config NET_ACT_CT module will be called act_ct. config NET_IFE_SKBMARK - tristate "Support to encoding decoding skb mark on IFE action" - depends on NET_ACT_IFE + tristate "Support to encoding decoding skb mark on IFE action" + depends on NET_ACT_IFE config NET_IFE_SKBPRIO - tristate "Support to encoding decoding skb prio on IFE action" - depends on NET_ACT_IFE + tristate "Support to encoding decoding skb prio on IFE action" + depends on NET_ACT_IFE config NET_IFE_SKBTCINDEX - tristate "Support to encoding decoding skb tcindex on IFE action" - depends on NET_ACT_IFE + tristate "Support to encoding decoding skb tcindex on IFE action" + depends on NET_ACT_IFE config NET_TC_SKB_EXT bool "TC recirculation support" diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 32577c248968..64584a1df425 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -2894,8 +2894,10 @@ out: void tcf_exts_destroy(struct tcf_exts *exts) { #ifdef CONFIG_NET_CLS_ACT - tcf_action_destroy(exts->actions, TCA_ACT_UNBIND); - kfree(exts->actions); + if (exts->actions) { + tcf_action_destroy(exts->actions, TCA_ACT_UNBIND); + kfree(exts->actions); + } exts->nr_actions = 0; #endif } diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c index 93b58fde99b7..1bef152c5721 100644 --- a/net/sched/sch_cbs.c +++ b/net/sched/sch_cbs.c @@ -392,7 +392,6 @@ static int cbs_init(struct Qdisc *sch, struct nlattr *opt, { struct cbs_sched_data *q = qdisc_priv(sch); struct net_device *dev = qdisc_dev(sch); - int err; if (!opt) { NL_SET_ERR_MSG(extack, "Missing CBS qdisc options which are mandatory"); @@ -404,6 +403,10 @@ static int cbs_init(struct Qdisc *sch, struct nlattr *opt, if (!q->qdisc) return -ENOMEM; + spin_lock(&cbs_list_lock); + list_add(&q->cbs_list, &cbs_list); + spin_unlock(&cbs_list_lock); + qdisc_hash_add(q->qdisc, false); q->queue = sch->dev_queue - netdev_get_tx_queue(dev, 0); @@ -413,17 +416,7 @@ static int cbs_init(struct Qdisc *sch, struct nlattr *opt, qdisc_watchdog_init(&q->watchdog, sch); - err = cbs_change(sch, opt, extack); - if (err) - return err; - - if (!q->offload) { - spin_lock(&cbs_list_lock); - list_add(&q->cbs_list, &cbs_list); - spin_unlock(&cbs_list_lock); - } - - return 0; + return cbs_change(sch, opt, extack); } static void cbs_destroy(struct Qdisc *sch) @@ -431,15 +424,18 @@ static void cbs_destroy(struct Qdisc *sch) struct cbs_sched_data *q = qdisc_priv(sch); struct net_device *dev = qdisc_dev(sch); - spin_lock(&cbs_list_lock); - list_del(&q->cbs_list); - spin_unlock(&cbs_list_lock); + /* Nothing to do if we couldn't create the underlying qdisc */ + if (!q->qdisc) + return; qdisc_watchdog_cancel(&q->watchdog); cbs_disable_offload(dev, q); - if (q->qdisc) - qdisc_put(q->qdisc); + spin_lock(&cbs_list_lock); + list_del(&q->cbs_list); + spin_unlock(&cbs_list_lock); + + qdisc_put(q->qdisc); } static int cbs_dump(struct Qdisc *sch, struct sk_buff *skb) |