diff options
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 1644a16afcec..fa8fb0548217 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -3069,6 +3069,9 @@ static int bpf_skb_net_shrink(struct sk_buff *skb, u32 off, u32 len_diff, { int ret; + if (flags & ~BPF_F_ADJ_ROOM_FIXED_GSO) + return -EINVAL; + if (skb_is_gso(skb) && !skb_is_gso_tcp(skb)) { /* udp gso_size delineates datagrams, only allow if fixed */ if (!(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) || @@ -4434,8 +4437,7 @@ BPF_CALL_2(bpf_sock_ops_cb_flags_set, struct bpf_sock_ops_kern *, bpf_sock, if (!IS_ENABLED(CONFIG_INET) || !sk_fullsock(sk)) return -EINVAL; - if (val) - tcp_sk(sk)->bpf_sock_ops_cb_flags = val; + tcp_sk(sk)->bpf_sock_ops_cb_flags = val; return argval & (~BPF_SOCK_OPS_ALL_CB_FLAGS); } |