portid may be 0, thus bound will set the flag to false for in-kernel
created netlink sockets.
Fixes: da314c9923fed55 ("netlink: Replace rhash_portid with bound")
Cc: Herbert Xu <herb...@gondor.apana.org.au>
Signed-off-by: Hannes Frederic Sowa <han...@stressinduktion.org>
---
This patch should not affect anything and is just meant to close this
loophole in future. I based it on net, but you can also apply it to
net-next.
net/netlink/af_netlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 59651af8cc2705..278e94c3c7f6d1 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1137,7 +1137,7 @@ static int netlink_insert(struct sock *sk, u32 portid)
/* We need to ensure that the socket is hashed and visible. */
smp_wmb();
- nlk_sk(sk)->bound = portid;
+ nlk_sk(sk)->bound = true;
err:
release_sock(sk);
--
2.5.0
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