Message ID | 1434553150-8750-1-git-send-email-kraig@google.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Craig Gallek <kraig@google.com> Date: Wed, 17 Jun 2015 10:59:10 -0400 > When an inet_sock is destroyed, its source port (sk_num) is set to > zero as part of the unhash procedure. In order to supply a source > port as part of the NETLINK_SOCK_DIAG socket destruction broadcasts, > the source port number must be read from inet_sport instead. > > Tested: ss -E > Signed-off-by: Craig Gallek <kraig@google.com> Applied but it seems very hackish and not very long term maintainable to do things this way. -- To unsubscribe from this list: send the line "unsubscribe netdev" in
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 21985d8..ba6a80f 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -1095,6 +1095,8 @@ int inet_diag_handler_get_info(struct sk_buff *skb, struct sock *sk) r = nlmsg_data(nlh); memset(r, 0, sizeof(*r)); inet_diag_msg_common_fill(r, sk); + if (sk->sk_type == SOCK_DGRAM || sk->sk_type == SOCK_STREAM) + r->id.idiag_sport = inet_sk(sk)->inet_sport; r->idiag_state = sk->sk_state; if ((err = nla_put_u8(skb, INET_DIAG_PROTOCOL, sk->sk_protocol))) {
When an inet_sock is destroyed, its source port (sk_num) is set to zero as part of the unhash procedure. In order to supply a source port as part of the NETLINK_SOCK_DIAG socket destruction broadcasts, the source port number must be read from inet_sport instead. Tested: ss -E Signed-off-by: Craig Gallek <kraig@google.com> --- net/ipv4/inet_diag.c | 2 ++ 1 file changed, 2 insertions(+)