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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-12-04 03:46:54 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-08 20:17:51 -0800 |
| commit | 9327f7053e3993c125944fdb137a0618319ef2a0 (patch) | |
| tree | 3cee7de049a2468bef930b1832c42bd1b2e69e9a /include/net/inet6_hashtables.h | |
| parent | 74757d49016a8b06ca028196886641d7aeb78de5 (diff) | |
| download | lwn-9327f7053e3993c125944fdb137a0618319ef2a0.tar.gz lwn-9327f7053e3993c125944fdb137a0618319ef2a0.zip | |
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 'include/net/inet6_hashtables.h')
| -rw-r--r-- | include/net/inet6_hashtables.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index 92838d3a1ab7..e46674d5daea 100644 --- a/include/net/inet6_hashtables.h +++ b/include/net/inet6_hashtables.h @@ -53,7 +53,7 @@ static inline int inet6_sk_ehashfn(const struct sock *sk) return inet6_ehashfn(net, laddr, lport, faddr, fport); } -extern void __inet6_hash(struct sock *sk); +extern int __inet6_hash(struct sock *sk, struct inet_timewait_sock *twp); /* * Sockets in TCP_CLOSE state are _always_ taken out of the hash, so |