netdev - [PATCH net] packet: propagate sock_cmsg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1469052078-31269-1-git-send-email-soheil.kdev@gmail.com>
Date:	Wed, 20 Jul 2016 18:01:18 -0400
From:	Soheil Hassas Yeganeh <soheil.kdev@...il.com>
To:	davem@...emloft.net, netdev@...r.kernel.org
Cc:	willemb@...gle.com, Soheil Hassas Yeganeh <soheil@...gle.com>
Subject: [PATCH net] packet: propagate sock_cmsg_send() error

From: Soheil Hassas Yeganeh <soheil@...gle.com>

sock_cmsg_send() can return different error codes and not only
-EINVAL, and we should properly propagate them.

Fixes: c14ac9451c34 ("sock: enable timestamping using control messages")
Signed-off-by: Soheil Hassas Yeganeh <soheil@...gle.com>
Cc: Willem de Bruijn <willemb@...gle.com>
---
 net/packet/af_packet.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 53e87ce..b43c401 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1930,10 +1930,8 @@ retry:
 	sockc.tsflags = sk->sk_tsflags;
 	if (msg->msg_controllen) {
 		err = sock_cmsg_send(sk, msg, &sockc);
-		if (unlikely(err)) {
-			err = -EINVAL;
+		if (unlikely(err))
 			goto out_unlock;
-		}
 	}
 
 	skb->protocol = proto;
-- 
2.8.0.rc3.226.g39d4020