From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753979AbdBETZV (ORCPT + 2 others); Sun, 5 Feb 2017 14:25:21 -0500 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:28059 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753951AbdBETZT (ORCPT ); Sun, 5 Feb 2017 14:25:19 -0500 From: Willy Tarreau To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux@roeck-us.net Cc: Eric Dumazet , Arnaldo Carvalho de Melo , "David S . Miller" , Willy Tarreau Subject: [PATCH 3.10 227/319] ipv6: dccp: add missing bind_conflict to dccp_ipv6_mapped Date: Sun, 5 Feb 2017 20:20:49 +0100 Message-Id: <1486322541-8206-128-git-send-email-w@1wt.eu> X-Mailer: git-send-email 2.8.0.rc2.1.gbe9624a In-Reply-To: <1486322541-8206-1-git-send-email-w@1wt.eu> References: <1486322541-8206-1-git-send-email-w@1wt.eu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: From: Eric Dumazet commit 990ff4d84408fc55942ca6644f67e361737b3d8e upstream. While fuzzing kernel with syzkaller, Andrey reported a nasty crash in inet6_bind() caused by DCCP lacking a required method. Fixes: ab1e0a13d7029 ("[SOCK] proto: Add hashinfo member to struct proto") Signed-off-by: Eric Dumazet Reported-by: Andrey Konovalov Tested-by: Andrey Konovalov Cc: Arnaldo Carvalho de Melo Acked-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller Signed-off-by: Willy Tarreau --- net/dccp/ipv6.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index fb72107..94f8224 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -1014,6 +1014,7 @@ static const struct inet_connection_sock_af_ops dccp_ipv6_mapped = { .getsockopt = ipv6_getsockopt, .addr2sockaddr = inet6_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in6), + .bind_conflict = inet6_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, -- 2.8.0.rc2.1.gbe9624a