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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 92B67C47253 for ; Fri, 1 May 2020 14:00:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5ED55206D6 for ; Fri, 1 May 2020 14:00:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588341625; bh=oN4xXc//JXVyLYe37q429CpdJ1zd5XafytMl0uRgsEU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=qr5WwhbiKUd27SsvH1F7KWpLq4lKrECMEYYO+w/wYfq3/dsw+T5BTjZNHJf9ecYLn tQKT1vGctsLWBOa6MF5S98t3hsc622XXaNl4x/1jXiwJk8roqQMTsMzz4FJOTxHr+8 Ha+73Sdd33nN6q3XWGTpB5wG22uWZvMd7OloC8lQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729476AbgEAN1c (ORCPT ); Fri, 1 May 2020 09:27:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:49790 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729462AbgEAN12 (ORCPT ); Fri, 1 May 2020 09:27:28 -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 274D12166E; Fri, 1 May 2020 13:27:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588339647; bh=oN4xXc//JXVyLYe37q429CpdJ1zd5XafytMl0uRgsEU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XvDDWkxd04b0EJiZF+jj6OEI0VW0o1ca6ppnrBtKmHsPIjfQ8jAu4KiogmjlGClIU ytPo1r2mtYYc1FQ1v9FiSFaET9nbNfhu3s8hOuUKkF9yVWkNKyCMFNgDULXKRxWYV/ vpBmHPGiuIg4oVnaqZhuTbwScy5KLZcbFr/4h714= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bodo Stroesser , Mike Christie , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.4 62/70] scsi: target: fix PR IN / READ FULL STATUS for FC Date: Fri, 1 May 2020 15:21:50 +0200 Message-Id: <20200501131531.563955312@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200501131513.302599262@linuxfoundation.org> References: <20200501131513.302599262@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bodo Stroesser [ Upstream commit 8fed04eb79a74cbf471dfaa755900a51b37273ab ] Creation of the response to READ FULL STATUS fails for FC based reservations. Reason is the too high loop limit (< 24) in fc_get_pr_transport_id(). The string representation of FC WWPN is 23 chars long only ("11:22:33:44:55:66:77:88"). So when i is 23, the loop body is executed a last time for the ending '\0' of the string and thus hex2bin() reports an error. Link: https://lore.kernel.org/r/20200408132610.14623-3-bstroesser@ts.fujitsu.com Signed-off-by: Bodo Stroesser Reviewed-by: Mike Christie Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/target/target_core_fabric_lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c index 6e75095af6818..2ecb2f7042a13 100644 --- a/drivers/target/target_core_fabric_lib.c +++ b/drivers/target/target_core_fabric_lib.c @@ -75,7 +75,7 @@ static int fc_get_pr_transport_id( * encoded TransportID. */ ptr = &se_nacl->initiatorname[0]; - for (i = 0; i < 24; ) { + for (i = 0; i < 23; ) { if (!strncmp(&ptr[i], ":", 1)) { i++; continue; -- 2.20.1