On Sun, Dec 06, 2015 at 09:56:34PM +0100, Stefan Priebe wrote: > Hi Herbert, > > i think i found the issue in 4.1 with netlink. Somebody made a > mistake while backporting or cherry-picking your patch "netlink: Fix > autobind race condition that leads to zero port ID" to 4.1. > > It misses a goto in 4.1. > > This goto is missing in 4.1: > > diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c > index 4017e12..f15c001 100644 > --- a/net/netlink/af_netlink.c > +++ b/net/netlink/af_netlink.c > @@ -1132,7 +1132,6 @@ static int netlink_insert(struct sock *sk, u32 portid) > if (err == -EEXIST) > err = -EADDRINUSE; > sock_put(sk); > - goto err; > } > > /* We need to ensure that the socket is hashed and visible. */ > > Can you please confirm, that this is not correct and might cause > those issues.
Well spotted! Yes this would be a fatal error and can cause the problems you guys are seeing. Thanks, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
