* [PATCH] netns: Don't leak others' openreq-s in proc
@ 2010-11-22 13:26 Pavel Emelyanov
2010-11-28 6:58 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Pavel Emelyanov @ 2010-11-22 13:26 UTC (permalink / raw)
To: David Miller, Linux Netdev List
The /proc/net/tcp leaks openreq sockets from other namespaces.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
---
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 69ccbc1..e13da6d 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2043,7 +2043,9 @@ get_req:
}
get_sk:
sk_nulls_for_each_from(sk, node) {
- if (sk->sk_family == st->family && net_eq(sock_net(sk), net)) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (sk->sk_family == st->family) {
cur = sk;
goto out;
}
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2010-11-22 13:26 [PATCH] netns: Don't leak others' openreq-s in proc Pavel Emelyanov
2010-11-28 6:58 ` David Miller
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