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 X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 DCE54C43387 for ; Wed, 26 Dec 2018 22:54:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1686218A5 for ; Wed, 26 Dec 2018 22:54:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545864861; bh=CW/vq1jUcj73rMR0tDXo470He545QsLAgweLOejtNKg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=O+b66z7HzI/VfW3LTKZYMLJfGqnhin170qTuDEtVPgy9S+kbdBIIitpuZsgfZVMMn JQpAWKjfkmXWPiEjy+ACvrAhf/U5a9K1x38dO6jzsIrekSEoQ+to2yU+cPDnIXpHwR xeKw1pS8IdMHgDMXeMqukZ26PmPaW54QRKUDP0rw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730130AbeLZWyU (ORCPT ); Wed, 26 Dec 2018 17:54:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:55576 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730087AbeLZWyP (ORCPT ); Wed, 26 Dec 2018 17:54:15 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C8F0D21741; Wed, 26 Dec 2018 22:54:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545864854; bh=CW/vq1jUcj73rMR0tDXo470He545QsLAgweLOejtNKg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fR67KdO5itXCEpOn/mw7iPN+bJW6mFCLLZoZRmwBE3NQH1I8hCbHhs4UhYPoXGU+h YhGbw2uVqJKrKcwnMxLKeY0HLPzC9XnBjTaJ3IkA9to/2Y21y4ZZQM6Z+8gUxfaOUd ptysmSxNFZI1hoXu6x4sV/odF/WooKC0i0OHVxIU= From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Varun Prakash , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 16/35] scsi: target: iscsi: cxgbit: fix csk leak Date: Wed, 26 Dec 2018 17:41:23 -0500 Message-Id: <20181226224142.150866-16-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181226224142.150866-1-sashal@kernel.org> References: <20181226224142.150866-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Varun Prakash [ Upstream commit 801df68d617e3cb831f531c99fa6003620e6b343 ] csk leak can happen if a new TCP connection gets established after cxgbit_accept_np() returns, to fix this leak free remaining csk in cxgbit_free_np(). Signed-off-by: Varun Prakash Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/target/iscsi/cxgbit/cxgbit_cm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c index 2fb1bf1a26c5..8652475e01d0 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c @@ -631,8 +631,11 @@ static void cxgbit_send_halfclose(struct cxgbit_sock *csk) static void cxgbit_arp_failure_discard(void *handle, struct sk_buff *skb) { + struct cxgbit_sock *csk = handle; + pr_debug("%s cxgbit_device %p\n", __func__, handle); kfree_skb(skb); + cxgbit_put_csk(csk); } static void cxgbit_abort_arp_failure(void *handle, struct sk_buff *skb) @@ -1136,7 +1139,7 @@ cxgbit_pass_accept_rpl(struct cxgbit_sock *csk, struct cpl_pass_accept_req *req) rpl5->opt0 = cpu_to_be64(opt0); rpl5->opt2 = cpu_to_be32(opt2); set_wr_txq(skb, CPL_PRIORITY_SETUP, csk->ctrlq_idx); - t4_set_arp_err_handler(skb, NULL, cxgbit_arp_failure_discard); + t4_set_arp_err_handler(skb, csk, cxgbit_arp_failure_discard); cxgbit_l2t_send(csk->com.cdev, skb, csk->l2t); } -- 2.19.1