diff options
Diffstat (limited to 'net/netfilter/nfnetlink_log.c')
| -rw-r--r-- | net/netfilter/nfnetlink_log.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 5cfb5bedb2b8..8cfc401e197e 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -55,6 +55,7 @@ struct nfulnl_instance { unsigned int qlen; /* number of nlmsgs in skb */ struct sk_buff *skb; /* pre-allocatd skb */ struct timer_list timer; + struct user_namespace *peer_user_ns; /* User namespace of the peer process */ int peer_pid; /* PID of the peer process */ /* configurable parameters */ @@ -132,7 +133,7 @@ instance_put(struct nfulnl_instance *inst) static void nfulnl_timer(unsigned long data); static struct nfulnl_instance * -instance_create(u_int16_t group_num, int pid) +instance_create(u_int16_t group_num, int pid, struct user_namespace *user_ns) { struct nfulnl_instance *inst; int err; @@ -162,6 +163,7 @@ instance_create(u_int16_t group_num, int pid) setup_timer(&inst->timer, nfulnl_timer, (unsigned long)inst); + inst->peer_user_ns = user_ns; inst->peer_pid = pid; inst->group_num = group_num; @@ -505,8 +507,10 @@ __build_packet_message(struct nfulnl_instance *inst, read_lock_bh(&sk->sk_callback_lock); if (sk->sk_socket && sk->sk_socket->file) { struct file *file = sk->sk_socket->file; - __be32 uid = htonl(file->f_cred->fsuid); - __be32 gid = htonl(file->f_cred->fsgid); + const struct cred *cred = file->f_cred; + struct user_namespace *user_ns = inst->peer_user_ns; + __be32 uid = htonl(from_kuid_munged(user_ns, cred->fsuid)); + __be32 gid = htonl(from_kgid_munged(user_ns, cred->fsgid)); read_unlock_bh(&sk->sk_callback_lock); if (nla_put_be32(inst->skb, NFULA_UID, uid) || nla_put_be32(inst->skb, NFULA_GID, gid)) @@ -785,7 +789,8 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, } inst = instance_create(group_num, - NETLINK_CB(skb).pid); + NETLINK_CB(skb).pid, + sk_user_ns(NETLINK_CB(skb).ssk)); if (IS_ERR(inst)) { ret = PTR_ERR(inst); goto out; |