netdev - [PATCH net] bpf: fix bpf_setsockopts return value

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: <20170824224821.31672-1-ycheng@google.com>
Date:   Thu, 24 Aug 2017 15:48:21 -0700
From:   Yuchung Cheng <ycheng@...gle.com>
To:     davem@...emloft.net, brakmo@...com
Cc:     ncardwell@...gle.com, cgallek@...gle.com, netdev@...r.kernel.org,
        Yuchung Cheng <ycheng@...gle.com>
Subject: [PATCH net] bpf: fix bpf_setsockopts return value

This patch fixes a bug causing any sock operations to always return EINVAL.

Fixes: a5192c52377e ("bpf: fix to bpf_setsockops").
Reported-by: Neal Cardwell <ncardwell@...gle.com>
Signed-off-by: Yuchung Cheng <ycheng@...gle.com>
Acked-by: Neal Cardwell <ncardwell@...gle.com>
Acked-by: Craig Gallek <kraig@...gle.com>
---
 net/core/filter.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/core/filter.c b/net/core/filter.c
index 6280a602604c..8eb81e5fae08 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2872,7 +2872,6 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
 				ret = -EINVAL;
 			}
 		}
-		ret = -EINVAL;
 #endif
 	} else {
 		ret = -EINVAL;
-- 
2.14.1.342.g6490525c54-goog