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| author | Eric Dumazet <edumazet@google.com> | 2016-02-02 19:31:12 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-09 04:15:37 -0500 |
| commit | 9cf7490360bf2c46a16b7525f899e4970c5fc144 (patch) | |
| tree | 62252375fcdc3d7ce324054262ea30015d3227b5 /include/net/tcp.h | |
| parent | 44c3d0c1c0a880354e9de5d94175742e2c7c9683 (diff) | |
| download | lwn-9cf7490360bf2c46a16b7525f899e4970c5fc144.tar.gz lwn-9cf7490360bf2c46a16b7525f899e4970c5fc144.zip | |
tcp: do not drop syn_recv on all icmp reports
Petr Novopashenniy reported that ICMP redirects on SYN_RECV sockets
were leading to RST.
This is of course incorrect.
A specific list of ICMP messages should be able to drop a SYN_RECV.
For instance, a REDIRECT on SYN_RECV shall be ignored, as we do
not hold a dst per SYN_RECV pseudo request.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=111751
Fixes: 079096f103fa ("tcp/dccp: install syn_recv requests into ehash table")
Reported-by: Petr Novopashenniy <pety@rusnet.ru>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index f6f8f032c73e..ae6468f5c9f3 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -447,7 +447,7 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th); void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb); void tcp_v4_mtu_reduced(struct sock *sk); -void tcp_req_err(struct sock *sk, u32 seq); +void tcp_req_err(struct sock *sk, u32 seq, bool abort); int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb); struct sock *tcp_create_openreq_child(const struct sock *sk, struct request_sock *req, |