[PATCH 4/5] ipvs: Lock socket before setting SK_CAN_REUSE
From: Quentin Armitage <hidden>
Date: 2016-06-14 01:54:22
Also in:
lkml, lvs-devel, netfilter-devel
Subsystem:
ipvs, netfilter, networking [general], the rest · Maintainers:
Simon Horman, Julian Anastasov, Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
When other settings are changed in the socket it is locked, so lock the socket before setting SK_CAN_REUSE. Signed-off-by: Quentin Armitage <redacted> --- net/netfilter/ipvs/ip_vs_sync.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 29d73d8..dfac9ef 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c@@ -1540,7 +1540,9 @@ static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id, int ifi } /* it is equivalent to the REUSEADDR option in user-space */ + lock_sock(sock->sk); sock->sk->sk_reuse = SK_CAN_REUSE; + release_sock(sock->sk); result = sysctl_sync_sock_size(ipvs); if (result > 0) set_sock_size(sock->sk, 0, result);
--
1.7.7.6