diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-10-11 10:55:04 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-10-11 10:55:04 +0100 |
| commit | a0f0dd57f4a85310d9936f1770a0424b49fef876 (patch) | |
| tree | 2f85b8b67dda13d19b02ca39e0fbef921cb1cf8b /net/sched/cls_flow.c | |
| parent | 2a552d5e63d7fa602c9a9a0717008737f55625a6 (diff) | |
| parent | 846a136881b8f73c1f74250bf6acfaa309cab1f2 (diff) | |
Merge branch 'fixes' into for-linus
Conflicts:
arch/arm/kernel/smp.c
Diffstat (limited to 'net/sched/cls_flow.c')
| -rw-r--r-- | net/sched/cls_flow.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index ccd08c8dc6a..ce82d0cb1b4 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -193,15 +193,19 @@ static u32 flow_get_rtclassid(const struct sk_buff *skb) static u32 flow_get_skuid(const struct sk_buff *skb) { - if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file) - return skb->sk->sk_socket->file->f_cred->fsuid; + if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file) { + kuid_t skuid = skb->sk->sk_socket->file->f_cred->fsuid; + return from_kuid(&init_user_ns, skuid); + } return 0; } static u32 flow_get_skgid(const struct sk_buff *skb) { - if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file) - return skb->sk->sk_socket->file->f_cred->fsgid; + if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file) { + kgid_t skgid = skb->sk->sk_socket->file->f_cred->fsgid; + return from_kgid(&init_user_ns, skgid); + } return 0; } @@ -347,7 +351,8 @@ static const struct nla_policy flow_policy[TCA_FLOW_MAX + 1] = { [TCA_FLOW_PERTURB] = { .type = NLA_U32 }, }; -static int flow_change(struct tcf_proto *tp, unsigned long base, +static int flow_change(struct sk_buff *in_skb, + struct tcf_proto *tp, unsigned long base, u32 handle, struct nlattr **tca, unsigned long *arg) { @@ -386,6 +391,10 @@ static int flow_change(struct tcf_proto *tp, unsigned long base, if (fls(keymask) - 1 > FLOW_KEY_MAX) return -EOPNOTSUPP; + + if ((keymask & (FLOW_KEY_SKUID|FLOW_KEY_SKGID)) && + sk_user_ns(NETLINK_CB(in_skb).ssk) != &init_user_ns) + return -EOPNOTSUPP; } err = tcf_exts_validate(tp, tb, tca[TCA_RATE], &e, &flow_ext_map); |