From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1807417-1527159836-2-1787106050454179329 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, MAILING_LIST_MULTI -1, RCVD_IN_DNSWL_HI -5, LANGUAGES enca, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1527159835; b=NLlnRS7OKL7vEWYLL92uESNSXLeVaktOxNY6dxs6k2PVw01JAt mYuNGT0n+TXeJwCHbOE3jlMxYkqwh8qnxCVz9VMsApB3UI2YVcbAiwwBoLBOKuyJ QXSB8UNgK1UJ92YA6O8yZHk4HzbilCbgiR8/3TatpmP/WFHMLAglqUgWqNcPNb1u r6UuJ7z5frDHZVEy9Pjh+oUDThU0t9aTfvGFPDkcj6ft2Q/JxNfz9YYeXYE+JbuZ vAUcvGNh91fdoinFwsWYwZfuJ6buM6Eq0DjNU9UgMHyhNwlc8++7h2kSvvqYOpsv 7kQdWIKURWvXgcz+WTrGZ3L3JCzXV05ud/Ng== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=fm2; t=1527159835; bh=GAU85ESeGo5wbF7M1rFhEzFKxdz9fM 4i3n+DyNwjqV0=; b=PclSsRDRehwQT51VBXKHrkJOSosxpt0hvu5eNI4ri2cnNs ZoNENAPidjWL9rvT/LHT58JQzFU+ndxX+yTqANEWw+XN0tafEMo+MrIbyHvBpRlh nSItPcI6nmKX1jJkIikrpJpIxPR4//Bxt70CRRzy89hXMwuH0zQmIehofbtEWqsW 6tHPbKZv0vBYzEAZrSIv+u2w/yplVJMvDdLCzJVaY/xo0l4kINqz0IOTMZftfOF3 bbveG6OFFXx1AYmA6bGtJRsf2lCYu/e2l7CcVLbHR3tEx/i2B8uxAc6Zu8Gy7Rip BIPj8Ddycb1rgjVO23kH/31o4lUEoh9dcoFQCZxw== ARC-Authentication-Results: i=1; mx3.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=kernel.org header.i=@kernel.org header.b=rcX+Qi2u x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=default; dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx3.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=kernel.org header.i=@kernel.org header.b=rcX+Qi2u x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=default; dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfJPqjCctzpycbBUMrgDYRizZbTmQvTmTIIwj9Yk2Luzji2KtnoBMz5IEEzVjfq86u0KZdgoxDL52nLG70YCucUlyaQJVAsJUxfxkS/gAX/nJr//KlnMT iIPjRBu1jGIMhtACiPrvNj4+Ew+hMurDRPVxU7gAqMHbu6hTDHCc5GN11AvnW3pAtGE5LekkV/L7Bs2nRjetV1pqtlmU0rRAW4xFJVM8E/Wx332cga1BZ/rQ X-CM-Analysis: v=2.3 cv=Tq3Iegfh c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=IkcTkHD0fZMA:10 a=VUJBJC2UJ8kA:10 a=zAyngx5bAAAA:8 a=yPCof4ZbAAAA:8 a=yMhMjlubAAAA:8 a=ag1SF4gXAAAA:8 a=LY6Ug91mmT4cBBZjW7EA:9 a=QEXdDO2ut3YA:10 a=4LA4qAFo6bo561LpWNDU:22 a=Yupwre4RP9_Eg_Bd0iYG:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030258AbeEXLDf (ORCPT ); Thu, 24 May 2018 07:03:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:35778 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968396AbeEXJzn (ORCPT ); Thu, 24 May 2018 05:55:43 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Quinn Tran , Himanshu Madhani , Johannes Thumshirn , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.14 100/165] scsi: qla2xxx: Fix memory corruption during hba reset test Date: Thu, 24 May 2018 11:38:26 +0200 Message-Id: <20180524093626.059713786@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180524093621.979359379@linuxfoundation.org> References: <20180524093621.979359379@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Quinn Tran [ Upstream commit 2ce87cc5b269510de9ca1185ca8a6e10ec78c069 ] This patch fixes memory corrpution while performing HBA Reset test. Following stack trace is seen: [ 466.397219] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [ 466.433669] IP: [] qlt_free_session_done+0x260/0x5f0 [qla2xxx] [ 466.467731] PGD 0 [ 466.476718] Oops: 0000 [#1] SMP Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_os.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -3581,6 +3581,8 @@ qla2x00_remove_one(struct pci_dev *pdev) } qla2x00_wait_for_hba_ready(base_vha); + qla2x00_wait_for_sess_deletion(base_vha); + /* * if UNLOAD flag is already set, then continue unload, * where it was set first.