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-rw-r--r--net/ipv4/devinet.c20
-rw-r--r--net/ipv4/fib_rules.c16
-rw-r--r--net/ipv4/fib_semantics.c47
-rw-r--r--net/ipv4/igmp.c2
-rw-r--r--net/ipv4/ip_gre.c23
-rw-r--r--net/ipv4/ipmr.c9
-rw-r--r--net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c5
-rw-r--r--net/ipv4/netfilter/nf_conntrack_proto_icmp.c12
-rw-r--r--net/ipv4/route.c47
9 files changed, 98 insertions, 83 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 6e447ff94dfa..7ba2196e4377 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1266,17 +1266,15 @@ static int inet_fill_ifaddr(struct sk_buff *skb, struct in_ifaddr *ifa,
ifm->ifa_scope = ifa->ifa_scope;
ifm->ifa_index = ifa->ifa_dev->dev->ifindex;
- if (ifa->ifa_address)
- NLA_PUT_BE32(skb, IFA_ADDRESS, ifa->ifa_address);
-
- if (ifa->ifa_local)
- NLA_PUT_BE32(skb, IFA_LOCAL, ifa->ifa_local);
-
- if (ifa->ifa_broadcast)
- NLA_PUT_BE32(skb, IFA_BROADCAST, ifa->ifa_broadcast);
-
- if (ifa->ifa_label[0])
- NLA_PUT_STRING(skb, IFA_LABEL, ifa->ifa_label);
+ if ((ifa->ifa_address &&
+ nla_put_be32(skb, IFA_ADDRESS, ifa->ifa_address)) ||
+ (ifa->ifa_local &&
+ nla_put_be32(skb, IFA_LOCAL, ifa->ifa_local)) ||
+ (ifa->ifa_broadcast &&
+ nla_put_be32(skb, IFA_BROADCAST, ifa->ifa_broadcast)) ||
+ (ifa->ifa_label[0] &&
+ nla_put_string(skb, IFA_LABEL, ifa->ifa_label)))
+ goto nla_put_failure;
return nlmsg_end(skb, nlh);
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 799fc790b3cf..2d043f71ef70 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -221,15 +221,15 @@ static int fib4_rule_fill(struct fib_rule *rule, struct sk_buff *skb,
frh->src_len = rule4->src_len;
frh->tos = rule4->tos;
- if (rule4->dst_len)
- NLA_PUT_BE32(skb, FRA_DST, rule4->dst);
-
- if (rule4->src_len)
- NLA_PUT_BE32(skb, FRA_SRC, rule4->src);
-
+ if ((rule4->dst_len &&
+ nla_put_be32(skb, FRA_DST, rule4->dst)) ||
+ (rule4->src_len &&
+ nla_put_be32(skb, FRA_SRC, rule4->src)))
+ goto nla_put_failure;
#ifdef CONFIG_IP_ROUTE_CLASSID
- if (rule4->tclassid)
- NLA_PUT_U32(skb, FRA_FLOW, rule4->tclassid);
+ if (rule4->tclassid &&
+ nla_put_u32(skb, FRA_FLOW, rule4->tclassid))
+ goto nla_put_failure;
#endif
return 0;
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 5063fa38ac7b..a8bdf7405433 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -931,33 +931,36 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
rtm->rtm_table = tb_id;
else
rtm->rtm_table = RT_TABLE_COMPAT;
- NLA_PUT_U32(skb, RTA_TABLE, tb_id);
+ if (nla_put_u32(skb, RTA_TABLE, tb_id))
+ goto nla_put_failure;
rtm->rtm_type = type;
rtm->rtm_flags = fi->fib_flags;
rtm->rtm_scope = fi->fib_scope;
rtm->rtm_protocol = fi->fib_protocol;
- if (rtm->rtm_dst_len)
- NLA_PUT_BE32(skb, RTA_DST, dst);
-
- if (fi->fib_priority)
- NLA_PUT_U32(skb, RTA_PRIORITY, fi->fib_priority);
-
+ if (rtm->rtm_dst_len &&
+ nla_put_be32(skb, RTA_DST, dst))
+ goto nla_put_failure;
+ if (fi->fib_priority &&
+ nla_put_u32(skb, RTA_PRIORITY, fi->fib_priority))
+ goto nla_put_failure;
if (rtnetlink_put_metrics(skb, fi->fib_metrics) < 0)
goto nla_put_failure;
- if (fi->fib_prefsrc)
- NLA_PUT_BE32(skb, RTA_PREFSRC, fi->fib_prefsrc);
-
+ if (fi->fib_prefsrc &&
+ nla_put_be32(skb, RTA_PREFSRC, fi->fib_prefsrc))
+ goto nla_put_failure;
if (fi->fib_nhs == 1) {
- if (fi->fib_nh->nh_gw)
- NLA_PUT_BE32(skb, RTA_GATEWAY, fi->fib_nh->nh_gw);
-
- if (fi->fib_nh->nh_oif)
- NLA_PUT_U32(skb, RTA_OIF, fi->fib_nh->nh_oif);
+ if (fi->fib_nh->nh_gw &&
+ nla_put_be32(skb, RTA_GATEWAY, fi->fib_nh->nh_gw))
+ goto nla_put_failure;
+ if (fi->fib_nh->nh_oif &&
+ nla_put_u32(skb, RTA_OIF, fi->fib_nh->nh_oif))
+ goto nla_put_failure;
#ifdef CONFIG_IP_ROUTE_CLASSID
- if (fi->fib_nh[0].nh_tclassid)
- NLA_PUT_U32(skb, RTA_FLOW, fi->fib_nh[0].nh_tclassid);
+ if (fi->fib_nh[0].nh_tclassid &&
+ nla_put_u32(skb, RTA_FLOW, fi->fib_nh[0].nh_tclassid))
+ goto nla_put_failure;
#endif
}
#ifdef CONFIG_IP_ROUTE_MULTIPATH
@@ -978,11 +981,13 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
rtnh->rtnh_hops = nh->nh_weight - 1;
rtnh->rtnh_ifindex = nh->nh_oif;
- if (nh->nh_gw)
- NLA_PUT_BE32(skb, RTA_GATEWAY, nh->nh_gw);
+ if (nh->nh_gw &&
+ nla_put_be32(skb, RTA_GATEWAY, nh->nh_gw))
+ goto nla_put_failure;
#ifdef CONFIG_IP_ROUTE_CLASSID
- if (nh->nh_tclassid)
- NLA_PUT_U32(skb, RTA_FLOW, nh->nh_tclassid);
+ if (nh->nh_tclassid &&
+ nla_put_u32(skb, RTA_FLOW, nh->nh_tclassid))
+ goto nla_put_failure;
#endif
/* length of rtnetlink header + attributes */
rtnh->rtnh_len = nlmsg_get_pos(skb) - (void *) rtnh;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 5dfecfd7d5e9..ceaac24ecdca 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -774,7 +774,7 @@ static int igmp_xmarksources(struct ip_mc_list *pmc, int nsrcs, __be32 *srcs)
if (psf->sf_count[MCAST_INCLUDE] ||
pmc->sfcount[MCAST_EXCLUDE] !=
psf->sf_count[MCAST_EXCLUDE])
- continue;
+ break;
if (srcs[i] == psf->sf_inaddr) {
scount++;
break;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index b57532d4742c..02d07c6f630f 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1654,17 +1654,18 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
struct ip_tunnel *t = netdev_priv(dev);
struct ip_tunnel_parm *p = &t->parms;
- NLA_PUT_U32(skb, IFLA_GRE_LINK, p->link);
- NLA_PUT_BE16(skb, IFLA_GRE_IFLAGS, p->i_flags);
- NLA_PUT_BE16(skb, IFLA_GRE_OFLAGS, p->o_flags);
- NLA_PUT_BE32(skb, IFLA_GRE_IKEY, p->i_key);
- NLA_PUT_BE32(skb, IFLA_GRE_OKEY, p->o_key);
- NLA_PUT_BE32(skb, IFLA_GRE_LOCAL, p->iph.saddr);
- NLA_PUT_BE32(skb, IFLA_GRE_REMOTE, p->iph.daddr);
- NLA_PUT_U8(skb, IFLA_GRE_TTL, p->iph.ttl);
- NLA_PUT_U8(skb, IFLA_GRE_TOS, p->iph.tos);
- NLA_PUT_U8(skb, IFLA_GRE_PMTUDISC, !!(p->iph.frag_off & htons(IP_DF)));
-
+ if (nla_put_u32(skb, IFLA_GRE_LINK, p->link) ||
+ nla_put_be16(skb, IFLA_GRE_IFLAGS, p->i_flags) ||
+ nla_put_be16(skb, IFLA_GRE_OFLAGS, p->o_flags) ||
+ nla_put_be32(skb, IFLA_GRE_IKEY, p->i_key) ||
+ nla_put_be32(skb, IFLA_GRE_OKEY, p->o_key) ||
+ nla_put_be32(skb, IFLA_GRE_LOCAL, p->iph.saddr) ||
+ nla_put_be32(skb, IFLA_GRE_REMOTE, p->iph.daddr) ||
+ nla_put_u8(skb, IFLA_GRE_TTL, p->iph.ttl) ||
+ nla_put_u8(skb, IFLA_GRE_TOS, p->iph.tos) ||
+ nla_put_u8(skb, IFLA_GRE_PMTUDISC,
+ !!(p->iph.frag_off & htons(IP_DF))))
+ goto nla_put_failure;
return 0;
nla_put_failure:
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 960fbfc3e976..5bef604ac0fa 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2119,15 +2119,16 @@ static int ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
rtm->rtm_src_len = 32;
rtm->rtm_tos = 0;
rtm->rtm_table = mrt->id;
- NLA_PUT_U32(skb, RTA_TABLE, mrt->id);
+ if (nla_put_u32(skb, RTA_TABLE, mrt->id))
+ goto nla_put_failure;
rtm->rtm_type = RTN_MULTICAST;
rtm->rtm_scope = RT_SCOPE_UNIVERSE;
rtm->rtm_protocol = RTPROT_UNSPEC;
rtm->rtm_flags = 0;
- NLA_PUT_BE32(skb, RTA_SRC, c->mfc_origin);
- NLA_PUT_BE32(skb, RTA_DST, c->mfc_mcastgrp);
-
+ if (nla_put_be32(skb, RTA_SRC, c->mfc_origin) ||
+ nla_put_be32(skb, RTA_DST, c->mfc_mcastgrp))
+ goto nla_put_failure;
if (__ipmr_fill_mroute(mrt, skb, c, rtm) < 0)
goto nla_put_failure;
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index de9da21113a1..5c45e30cf788 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -303,8 +303,9 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len)
static int ipv4_tuple_to_nlattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple)
{
- NLA_PUT_BE32(skb, CTA_IP_V4_SRC, tuple->src.u3.ip);
- NLA_PUT_BE32(skb, CTA_IP_V4_DST, tuple->dst.u3.ip);
+ if (nla_put_be32(skb, CTA_IP_V4_SRC, tuple->src.u3.ip) ||
+ nla_put_be32(skb, CTA_IP_V4_DST, tuple->dst.u3.ip))
+ goto nla_put_failure;
return 0;
nla_put_failure:
diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
index 7cbe9cb261c2..0847e373d33c 100644
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -228,10 +228,10 @@ icmp_error(struct net *net, struct nf_conn *tmpl,
static int icmp_tuple_to_nlattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *t)
{
- NLA_PUT_BE16(skb, CTA_PROTO_ICMP_ID, t->src.u.icmp.id);
- NLA_PUT_U8(skb, CTA_PROTO_ICMP_TYPE, t->dst.u.icmp.type);
- NLA_PUT_U8(skb, CTA_PROTO_ICMP_CODE, t->dst.u.icmp.code);
-
+ if (nla_put_be16(skb, CTA_PROTO_ICMP_ID, t->src.u.icmp.id) ||
+ nla_put_u8(skb, CTA_PROTO_ICMP_TYPE, t->dst.u.icmp.type) ||
+ nla_put_u8(skb, CTA_PROTO_ICMP_CODE, t->dst.u.icmp.code))
+ goto nla_put_failure;
return 0;
nla_put_failure:
@@ -293,8 +293,8 @@ icmp_timeout_obj_to_nlattr(struct sk_buff *skb, const void *data)
{
const unsigned int *timeout = data;
- NLA_PUT_BE32(skb, CTA_TIMEOUT_ICMP_TIMEOUT, htonl(*timeout / HZ));
-
+ if (nla_put_be32(skb, CTA_TIMEOUT_ICMP_TIMEOUT, htonl(*timeout / HZ)))
+ goto nla_put_failure;
return 0;
nla_put_failure:
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 167ea10b521a..e4d18f2a305d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -229,7 +229,7 @@ const __u8 ip_tos2prio[16] = {
TC_PRIO_INTERACTIVE_BULK,
ECN_OR_COST(INTERACTIVE_BULK)
};
-
+EXPORT_SYMBOL(ip_tos2prio);
/*
* Route cache.
@@ -2972,7 +2972,8 @@ static int rt_fill_info(struct net *net,
r->rtm_src_len = 0;
r->rtm_tos = rt->rt_key_tos;
r->rtm_table = RT_TABLE_MAIN;
- NLA_PUT_U32(skb, RTA_TABLE, RT_TABLE_MAIN);
+ if (nla_put_u32(skb, RTA_TABLE, RT_TABLE_MAIN))
+ goto nla_put_failure;
r->rtm_type = rt->rt_type;
r->rtm_scope = RT_SCOPE_UNIVERSE;
r->rtm_protocol = RTPROT_UNSPEC;
@@ -2980,31 +2981,38 @@ static int rt_fill_info(struct net *net,
if (rt->rt_flags & RTCF_NOTIFY)
r->rtm_flags |= RTM_F_NOTIFY;
- NLA_PUT_BE32(skb, RTA_DST, rt->rt_dst);
-
+ if (nla_put_be32(skb, RTA_DST, rt->rt_dst))
+ goto nla_put_failure;
if (rt->rt_key_src) {
r->rtm_src_len = 32;
- NLA_PUT_BE32(skb, RTA_SRC, rt->rt_key_src);
+ if (nla_put_be32(skb, RTA_SRC, rt->rt_key_src))
+ goto nla_put_failure;
}
- if (rt->dst.dev)
- NLA_PUT_U32(skb, RTA_OIF, rt->dst.dev->ifindex);
+ if (rt->dst.dev &&
+ nla_put_u32(skb, RTA_OIF, rt->dst.dev->ifindex))
+ goto nla_put_failure;
#ifdef CONFIG_IP_ROUTE_CLASSID
- if (rt->dst.tclassid)
- NLA_PUT_U32(skb, RTA_FLOW, rt->dst.tclassid);
+ if (rt->dst.tclassid &&
+ nla_put_u32(skb, RTA_FLOW, rt->dst.tclassid))
+ goto nla_put_failure;
#endif
- if (rt_is_input_route(rt))
- NLA_PUT_BE32(skb, RTA_PREFSRC, rt->rt_spec_dst);
- else if (rt->rt_src != rt->rt_key_src)
- NLA_PUT_BE32(skb, RTA_PREFSRC, rt->rt_src);
-
- if (rt->rt_dst != rt->rt_gateway)
- NLA_PUT_BE32(skb, RTA_GATEWAY, rt->rt_gateway);
+ if (rt_is_input_route(rt)) {
+ if (nla_put_be32(skb, RTA_PREFSRC, rt->rt_spec_dst))
+ goto nla_put_failure;
+ } else if (rt->rt_src != rt->rt_key_src) {
+ if (nla_put_be32(skb, RTA_PREFSRC, rt->rt_src))
+ goto nla_put_failure;
+ }
+ if (rt->rt_dst != rt->rt_gateway &&
+ nla_put_be32(skb, RTA_GATEWAY, rt->rt_gateway))
+ goto nla_put_failure;
if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0)
goto nla_put_failure;
- if (rt->rt_mark)
- NLA_PUT_BE32(skb, RTA_MARK, rt->rt_mark);
+ if (rt->rt_mark &&
+ nla_put_be32(skb, RTA_MARK, rt->rt_mark))
+ goto nla_put_failure;
error = rt->dst.error;
if (peer) {
@@ -3045,7 +3053,8 @@ static int rt_fill_info(struct net *net,
}
} else
#endif
- NLA_PUT_U32(skb, RTA_IIF, rt->rt_iif);
+ if (nla_put_u32(skb, RTA_IIF, rt->rt_iif))
+ goto nla_put_failure;
}
if (rtnl_put_cacheinfo(skb, &rt->dst, id, ts, tsage,
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-29 21:24:45 +0300