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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-12-04 06:46:54 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-09 07:17:51 +0300 |
| commit | 9327f7053e3993c125944fdb137a0618319ef2a0 (patch) | |
| tree | 3cee7de049a2468bef930b1832c42bd1b2e69e9a /net/dccp/ipv4.c | |
| parent | 74757d49016a8b06ca028196886641d7aeb78de5 (diff) | |
| download | linux-9327f7053e3993c125944fdb137a0618319ef2a0.tar.xz | |
tcp: Fix a connect() race with timewait sockets
First patch changes __inet_hash_nolisten() and __inet6_hash()
to get a timewait parameter to be able to unhash it from ehash
at same time the new socket is inserted in hash.
This makes sure timewait socket wont be found by a concurrent
writer in __inet_check_established()
Reported-by: kapil dakhane <kdakhane@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/ipv4.c')
| -rw-r--r-- | net/dccp/ipv4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index efbcfdc12796..dad7bc4878e0 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -408,7 +408,7 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb, dccp_sync_mss(newsk, dst_mtu(dst)); - __inet_hash_nolisten(newsk); + __inet_hash_nolisten(newsk, NULL); __inet_inherit_port(sk, newsk); return newsk; |