From patchwork Tue Jun 9 17:45:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 224659 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB9A6C433E0 for ; Tue, 9 Jun 2020 18:00:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FFF1206D5 for ; Tue, 9 Jun 2020 18:00:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591725648; bh=4+Cz8ptYSoYm2xcypo5QyXImcSVs9nbjvhvcyN0v64c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=qUXlpEWN0EjHejkXxbuUzFzec2PszvJlPfOYDav8v3DJM7Dt+2wLgLv2jhw4/F/NW OwJu+J0w+S4PvpLKU/HizZEjIrgmGMI3pkX8HrHg+CgKDp0CqSgyMvzUY8aQNOrmzp pTBiR4mFPkYWI4sfJ8jEF4BPCx1rVeAg+HBXU6LQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732010AbgFISAk (ORCPT ); Tue, 9 Jun 2020 14:00:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:46088 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733092AbgFIRy0 (ORCPT ); Tue, 9 Jun 2020 13:54:26 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1ECE120774; Tue, 9 Jun 2020 17:54:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591725266; bh=4+Cz8ptYSoYm2xcypo5QyXImcSVs9nbjvhvcyN0v64c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cnwQIgllwGswcu7NpFpE9/NEPjcvetNjzIot1nGmOXGIl8MwJBAimsRqJp17CJqTO 6U5MAxfrXl0wcE2pRWyj0La3fjTeqjKjOWBvy+bcZPttXaPWt+kx0GnHGJXunJFqHS Jr2zTlk4srqxcrNmpBH0/QtVCNtxxg46maPGeP1M= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jonas Falkevik , Marcelo Ricardo Leitner , Xin Long , "David S. Miller" Subject: [PATCH 5.6 10/41] sctp: check assoc before SCTP_ADDR_{MADE_PRIM, ADDED} event Date: Tue, 9 Jun 2020 19:45:12 +0200 Message-Id: <20200609174113.106939763@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200609174112.129412236@linuxfoundation.org> References: <20200609174112.129412236@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jonas Falkevik [ Upstream commit 45ebf73ebcec88a34a778f5feaa0b82b1c76069e ] Make sure SCTP_ADDR_{MADE_PRIM,ADDED} are sent only for associations that have been established. These events are described in rfc6458#section-6.1 SCTP_PEER_ADDR_CHANGE: This tag indicates that an address that is part of an existing association has experienced a change of state (e.g., a failure or return to service of the reachability of an endpoint via a specific transport address). Signed-off-by: Jonas Falkevik Acked-by: Marcelo Ricardo Leitner Reviewed-by: Xin Long Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/sctp/ulpevent.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -343,6 +343,9 @@ void sctp_ulpevent_nofity_peer_addr_chan struct sockaddr_storage addr; struct sctp_ulpevent *event; + if (asoc->state < SCTP_STATE_ESTABLISHED) + return; + memset(&addr, 0, sizeof(struct sockaddr_storage)); memcpy(&addr, &transport->ipaddr, transport->af_specific->sockaddr_len);