netdev - [PATCH] make net_gso_ok return false when gso

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]

Date:   Fri,  6 Apr 2018 03:43:39 +0200
From:   Wenhua Shi <march511@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] make net_gso_ok return false when gso_type is zero(invalid)

Signed-off-by: Wenhua Shi <march511@...il.com>
---
 include/linux/netdevice.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index cf44503e..1f26cbcf 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -4187,7 +4187,7 @@ static inline bool net_gso_ok(netdev_features_t features, int gso_type)
 	BUILD_BUG_ON(SKB_GSO_ESP != (NETIF_F_GSO_ESP >> NETIF_F_GSO_SHIFT));
 	BUILD_BUG_ON(SKB_GSO_UDP != (NETIF_F_GSO_UDP >> NETIF_F_GSO_SHIFT));
 
-	return (features & feature) == feature;
+	return feature && (features & feature) == feature;
 }
 
 static inline bool skb_gso_ok(struct sk_buff *skb, netdev_features_t features)
-- 
2.11.0