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authorEric Dumazet <edumazet@google.com>2015-07-14 08:10:22 +0200
committerDavid S. Miller <davem@davemloft.net>2015-07-15 17:25:51 -0700
commit03645a11a570d52e70631838cb786eb4253eb463 (patch)
tree8a370b57010d040b59fd7e17ba90d1d8ed1c7650 /include/net/ip.h
parent14e4cec80cd05ad585c537db56a705ab61fbaff9 (diff)
downloadlinux-03645a11a570d52e70631838cb786eb4253eb463.tar.bz2
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.h1
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);