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| author |   Eric Dumazet <edumazet@google.com> | 2015-07-14 08:10:22 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-07-15 17:25:51 -0700 |
| commit | 03645a11a570d52e70631838cb786eb4253eb463 (patch) | |
| tree | 8a370b57010d040b59fd7e17ba90d1d8ed1c7650 /include/net/ip.h | |
| parent | Merge branch 'isdn-gigaset-fixes' (diff) | |
| download | linux-dev-03645a11a570d52e70631838cb786eb4253eb463.tar.xz linux-dev-03645a11a570d52e70631838cb786eb4253eb463.zip | |
ipv6: lock socket in ip6_datagram_connect()
ip6_datagram_connect() is doing a lot of socket changes without
socket being locked.
This looks wrong, at least for udp_lib_rehash() which could corrupt
lists because of concurrent udp_sk(sk)->udp_portaddr_hash accesses.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 0750a186ea63..d5fe9f2ab699 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -161,6 +161,7 @@ static inline __u8 get_rtconn_flags(struct ipcm_cookie* ipc, struct sock* sk) } /* datagram.c */ +int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); void ip4_datagram_release_cb(struct sock *sk); |