From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71B3FC433EF for ; Mon, 18 Apr 2022 12:48:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239905AbiDRMvW (ORCPT ); Mon, 18 Apr 2022 08:51:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240824AbiDRMjj (ORCPT ); Mon, 18 Apr 2022 08:39:39 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 005AEC0A; Mon, 18 Apr 2022 05:31:00 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 9C656B80ED6; Mon, 18 Apr 2022 12:30:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D1CB2C385A1; Mon, 18 Apr 2022 12:30:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1650285058; bh=rA8OICJvC+vLZzHg5hHD8kepodIPft98BGpeRXaRoeI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RtKrfw/E215Fi5aoCZjS+8isdkkov2ShXsyA1IBY93vBzDKLNXw9D/LZbqqrAVTfS iFPWz6iP8jAq9jWWGjp/DKsL+t6Xf82kZugyDL57mPi9qYoAYiRhx+5BDKsKSzf9Dj SIXW5G6xhB1ljH0Fs72auhLBCpbr614h+Qcihj/k= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Petr Malat , Marcelo Ricardo Leitner , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 086/189] sctp: Initialize daddr on peeled off socket Date: Mon, 18 Apr 2022 14:11:46 +0200 Message-Id: <20220418121202.948615989@linuxfoundation.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220418121200.312988959@linuxfoundation.org> References: <20220418121200.312988959@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Petr Malat [ Upstream commit 8467dda0c26583547731e7f3ea73fc3856bae3bf ] Function sctp_do_peeloff() wrongly initializes daddr of the original socket instead of the peeled off socket, which makes getpeername() return zeroes instead of the primary address. Initialize the new socket instead. Fixes: d570ee490fb1 ("[SCTP]: Correctly set daddr for IPv6 sockets during peeloff") Signed-off-by: Petr Malat Acked-by: Marcelo Ricardo Leitner Link: https://lore.kernel.org/r/20220409063611.673193-1-oss@malat.biz Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/sctp/socket.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 6b3c32264cbc..5f6e6a6e91b3 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5641,7 +5641,7 @@ int sctp_do_peeloff(struct sock *sk, sctp_assoc_t id, struct socket **sockp) * Set the daddr and initialize id to something more random and also * copy over any ip options. */ - sp->pf->to_sk_daddr(&asoc->peer.primary_addr, sk); + sp->pf->to_sk_daddr(&asoc->peer.primary_addr, sock->sk); sp->pf->copy_ip_options(sk, sock->sk); /* Populate the fields of the newsk from the oldsk and migrate the -- 2.35.1