diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_ctl.c | 12 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_proto_tcp.c | 4 | ||||
| -rw-r--r-- | net/netfilter/nfnetlink_acct.c | 3 | ||||
| -rw-r--r-- | net/netfilter/nfnetlink_log.c | 2 |
4 files changed, 20 insertions, 1 deletions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 3167ec76903a..56c62b65923f 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -2218,6 +2218,18 @@ static int ip_vs_set_timeout(struct netns_ipvs *ipvs, struct ip_vs_timeout_user u->udp_timeout); #ifdef CONFIG_IP_VS_PROTO_TCP + if (u->tcp_timeout < 0 || u->tcp_timeout > (INT_MAX / HZ) || + u->tcp_fin_timeout < 0 || u->tcp_fin_timeout > (INT_MAX / HZ)) { + return -EINVAL; + } +#endif + +#ifdef CONFIG_IP_VS_PROTO_UDP + if (u->udp_timeout < 0 || u->udp_timeout > (INT_MAX / HZ)) + return -EINVAL; +#endif + +#ifdef CONFIG_IP_VS_PROTO_TCP if (u->tcp_timeout) { pd = ip_vs_proto_data_get(ipvs, IPPROTO_TCP); pd->timeout_table[IP_VS_TCP_S_ESTABLISHED] diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 278f3b9356ef..7cc1d9c22a9f 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -410,6 +410,8 @@ static void tcp_options(const struct sk_buff *skb, length--; continue; default: + if (length < 2) + return; opsize=*ptr++; if (opsize < 2) /* "silly options" */ return; @@ -470,6 +472,8 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff, length--; continue; default: + if (length < 2) + return; opsize = *ptr++; if (opsize < 2) /* "silly options" */ return; diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c index fefbf5f0b28d..088e8da06b00 100644 --- a/net/netfilter/nfnetlink_acct.c +++ b/net/netfilter/nfnetlink_acct.c @@ -243,6 +243,9 @@ nfacct_filter_alloc(const struct nlattr * const attr) if (err < 0) return ERR_PTR(err); + if (!tb[NFACCT_FILTER_MASK] || !tb[NFACCT_FILTER_VALUE]) + return ERR_PTR(-EINVAL); + filter = kzalloc(sizeof(struct nfacct_filter), GFP_KERNEL); if (!filter) return ERR_PTR(-ENOMEM); diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 740cce4685ac..85b4f7902b49 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -895,7 +895,7 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, goto out_put; default: ret = -ENOTSUPP; - break; + goto out_put; } } else if (!inst) { ret = -ENODEV; |