diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2012-08-13 14:23:04 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2012-08-13 14:23:04 +0530 |
| commit | 82cfe176157cf926133dea3a8879135bf20b9af2 (patch) | |
| tree | 8efe310a6dd0d411399ce299aecfaf3bd96de393 /net/ipv4 | |
| parent | 564e6b431e9696d6b7186d120d563a74ae290092 (diff) | |
| parent | 8067fa23092f2c4e18c29c90f7d5bb765dbf8954 (diff) | |
Merge commit 'v3.4.8' into android-t114-3.4-rebased
Linux v3.4.8
Conflicts:
drivers/net/tun.c
kernel/power/suspend.c
Change-Id: Ia26546425cd20f127dbf4dd58cfca41bda47d23d
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/cipso_ipv4.c | 6 | ||||
| -rw-r--r-- | net/ipv4/tcp.c | 5 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 4 |
3 files changed, 11 insertions, 4 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index c48adc565e92..667c1d4ca984 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -1725,8 +1725,10 @@ int cipso_v4_validate(const struct sk_buff *skb, unsigned char **option) case CIPSO_V4_TAG_LOCAL: /* This is a non-standard tag that we only allow for * local connections, so if the incoming interface is - * not the loopback device drop the packet. */ - if (!(skb->dev->flags & IFF_LOOPBACK)) { + * not the loopback device drop the packet. Further, + * there is no legitimate reason for setting this from + * userspace so reject it if skb is NULL. */ + if (skb == NULL || !(skb->dev->flags & IFF_LOOPBACK)) { err_offset = opt_iter; goto validate_return_locked; } diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index cf54e10b2587..38d6e4374561 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2423,7 +2423,10 @@ static int do_tcp_setsockopt(struct sock *sk, int level, /* Cap the max timeout in ms TCP will retry/retrans * before giving up and aborting (ETIMEDOUT) a connection. */ - icsk->icsk_user_timeout = msecs_to_jiffies(val); + if (val < 0) + err = -EINVAL; + else + icsk->icsk_user_timeout = msecs_to_jiffies(val); break; default: err = -ENOPROTOOPT; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 257b61789eeb..56a9c8d0bef1 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -5441,7 +5441,9 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb, if (tp->copied_seq == tp->rcv_nxt && len - tcp_header_len <= tp->ucopy.len) { #ifdef CONFIG_NET_DMA - if (tcp_dma_try_early_copy(sk, skb, tcp_header_len)) { + if (tp->ucopy.task == current && + sock_owned_by_user(sk) && + tcp_dma_try_early_copy(sk, skb, tcp_header_len)) { copied_early = 1; eaten = 1; } |