From patchwork Tue Jun 18 13:37:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 805580 Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A71CF17DE17 for ; Tue, 18 Jun 2024 13:38:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.148.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718717898; cv=none; b=ATe7huQ/IEeTHkqd343Nz4S35RnJ+ZQBjcuQNeW/X8NhT0uwrtt+bxqXU26xO1x25ERi0Q4U6be0vmCGgiCDKLN5CcFC+XBHFc4ialU4ZMCQnyPu0FIxxBCGOJ8EJYJo0EEbk0jN6ecySde5ruZp4ItmVJ0ZhjH27FCURuLCrL4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718717898; c=relaxed/simple; bh=+CO3BPz4W44DkSkNuf7qPS1f+sHH31xfXjZfxNKkgrg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pnQkWPIzrbC8TtELgsHQv/iB0Gc0Z4yw56ZxqRvhQgkXKSVGsUgO9uTPFU9wUxSZoiN22QyoYAK1j39X/npc9PoELjnTK8EzlU44fbiaZtrRte/DAppRuTHhFo9hTczcXdZUHkuEdklSYPlXONF+uRRaJFtbq0rv2XBFLSCICeE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com; spf=pass smtp.mailfrom=marvell.com; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b=hFnDeXLO; arc=none smtp.client-ip=67.231.148.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marvell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="hFnDeXLO" Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45IBgQBv015588; Tue, 18 Jun 2024 06:38:13 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pfpt0220; bh=t ynMF0/Rvrh4WYWs54dpTLovBZvzy17c8JcHjd0TgVg=; b=hFnDeXLOQeJxzvwfX hKi/Nv6teJXFeD/l5y07Mew2Gm7gLobuk3vYI20E9uX25ZWUpSoqIUa/Pe4chjxA pHL1jUOQsjEA+QlHEw5ngVudBrvv3nbvg3MY2Fl1Kxo15Ix1IRnGzsQoAAFCSyH7 hI0TmeEyDylS0I8NG85ft2oQzf1GdNRREHlIVNe8McLKjOYpDcRVpVQl8rdNW3qY 3WbLpOyB6cGwDF3AG5U9BtSYoIDLdGNAFYRRcv/EKuA3SHeWzZ/vAyfxU4UQK8Rc BzJU3wvbm+6qsa27aj89tGKWiffqr1mqdLkzIBgvea1p1tDOdkNmt9IMjrUwT1tZ tkMmQ== Received: from dc5-exch05.marvell.com ([199.233.59.128]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3yu0nwt3pg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 18 Jun 2024 06:38:13 -0700 (PDT) Received: from DC5-EXCH05.marvell.com (10.69.176.209) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 18 Jun 2024 06:38:12 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Tue, 18 Jun 2024 06:38:12 -0700 Received: from stgdev-a5u16.punelab.marvell.com (stgdev-a5u16.punelab.marvell.com [10.31.33.187]) by maili.marvell.com (Postfix) with ESMTP id 93D513F706D; Tue, 18 Jun 2024 06:38:10 -0700 (PDT) From: Nilesh Javali To: CC: , , , , , Subject: [PATCH 07/11] qla2xxx: During vport delete send async logout explicitly Date: Tue, 18 Jun 2024 19:07:35 +0530 Message-ID: <20240618133739.35456-8-njavali@marvell.com> X-Mailer: git-send-email 2.23.1 In-Reply-To: <20240618133739.35456-1-njavali@marvell.com> References: <20240618133739.35456-1-njavali@marvell.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: XtY2OaArBWOyinzHm6gLG_CS2J_nFz4b X-Proofpoint-ORIG-GUID: XtY2OaArBWOyinzHm6gLG_CS2J_nFz4b X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-18_02,2024-06-17_01,2024-05-17_01 From: Manish Rangankar During vport delete, it is observed that during unload we hit a crash because of stale entries in outstanding command array. For all these stale I/O entries, eh_abort was issued and aborted (fast_fail_io = 2009h) but I/Os could not complete while vport delete is in process of deleting. BUG: kernel NULL pointer dereference, address: 000000000000001c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI Workqueue: qla2xxx_wq qla_do_work [qla2xxx] RIP: 0010:dma_direct_unmap_sg+0x51/0x1e0 RSP: 0018:ffffa1e1e150fc68 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000021 RCX: 0000000000000001 RDX: 0000000000000021 RSI: 0000000000000000 RDI: ffff8ce208a7a0d0 RBP: ffff8ce208a7a0d0 R08: 0000000000000000 R09: ffff8ce378aac9c8 R10: ffff8ce378aac8a0 R11: ffffa1e1e150f9d8 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8ce378aac9c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8d217f000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000001c CR3: 0000002089acc000 CR4: 0000000000350ee0 Call Trace: qla2xxx_qpair_sp_free_dma+0x417/0x4e0 ? qla2xxx_qpair_sp_compl+0x10d/0x1a0 ? qla2x00_status_entry+0x768/0x2830 ? newidle_balance+0x2f0/0x430 ? dequeue_entity+0x100/0x3c0 ? qla24xx_process_response_queue+0x6a1/0x19e0 ? __schedule+0x2d5/0x1140 ? qla_do_work+0x47/0x60 ? process_one_work+0x267/0x440 ? process_one_work+0x440/0x440 ? worker_thread+0x2d/0x3d0 ? process_one_work+0x440/0x440 ? kthread+0x156/0x180 ? set_kthread_struct+0x50/0x50 ? ret_from_fork+0x22/0x30 Send out async logout explicitly for all the ports during vport delete. Cc: stable@vger.kernel.org Signed-off-by: Manish Rangankar Signed-off-by: Nilesh Javali --- drivers/scsi/qla2xxx/qla_mid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index b67416951a5f..76703f2706b8 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -180,7 +180,7 @@ qla24xx_disable_vp(scsi_qla_host_t *vha) atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); list_for_each_entry(fcport, &vha->vp_fcports, list) - fcport->logout_on_delete = 0; + fcport->logout_on_delete = 1; if (!vha->hw->flags.edif_enabled) qla2x00_wait_for_sess_deletion(vha);