From patchwork Fri Oct 2 19:28:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Bottomley X-Patchwork-Id: 11814513 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3D12D112C for ; Fri, 2 Oct 2020 19:28:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 21F76208B6 for ; Fri, 2 Oct 2020 19:28:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="q2SoCNwN"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="mkLHtMCB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388456AbgJBT2O (ORCPT ); Fri, 2 Oct 2020 15:28:14 -0400 Received: from bedivere.hansenpartnership.com ([66.63.167.143]:38496 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388321AbgJBT2K (ORCPT ); Fri, 2 Oct 2020 15:28:10 -0400 Received: from localhost (localhost [127.0.0.1]) by bedivere.hansenpartnership.com (Postfix) with ESMTP id 3541B8EE18B; Fri, 2 Oct 2020 12:28:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hansenpartnership.com; s=20151216; t=1601666889; bh=3pL9EYAVcTAbBFDIrqOl8kEYMnykySS3oUFcjqGIHlY=; h=Subject:From:To:Cc:Date:From; b=q2SoCNwNORD/hj4ZDO5aKWp1qkaQZ62yaCyu703I6KtRaHB9T7v5OQQeVjxhZAeiT 9u+DQ2iuBhp/KVXOHj78jMYmRLs4iJS8XpcylpijeyjGvMoqiU1l5BnH19PijuA7iO wYK1CidqbOHeIAQnCeMFfg+LgkNz6wPfh52qaEsk= Received: from bedivere.hansenpartnership.com ([127.0.0.1]) by localhost (bedivere.hansenpartnership.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id B8kwV0lblIKq; Fri, 2 Oct 2020 12:28:08 -0700 (PDT) Received: from jarvis (c-73-35-198-56.hsd1.wa.comcast.net [73.35.198.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bedivere.hansenpartnership.com (Postfix) with ESMTPSA id C7EDF8EE012; Fri, 2 Oct 2020 12:28:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hansenpartnership.com; s=20151216; t=1601666888; bh=3pL9EYAVcTAbBFDIrqOl8kEYMnykySS3oUFcjqGIHlY=; h=Subject:From:To:Cc:Date:From; b=mkLHtMCBYYSBlY3NteBr+Z8kSEw2WvEfgiVmwMDsXcATatrvJIJtpoZVBrQuu0uMU nKsJ5TMMxl2sSiAVyKK/nvREPLg136cI9FwcsNwiM15v9/dhsrVUa38q6QOms1ivKV vHAfsBtN6GnNZNOdLbCJnua3EPhTMUvFIkgPPYLU= Message-ID: <32aab084a6bf83b48b7e609c35e3822ee0f778df.camel@HansenPartnership.com> Subject: [GIT PULL] SCSI fixes for 5.9-rc7 From: James Bottomley To: Andrew Morton , Linus Torvalds Cc: linux-scsi , linux-kernel Date: Fri, 02 Oct 2020 12:28:04 -0700 User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Two patches in driver frameworks. The iscsi one corrects a bug induced by a BPF change to network locking and the other is a regression we introduced. The patch is available here: git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes The short changelog is: Mark Mielke (1): scsi: iscsi: iscsi_tcp: Avoid holding spinlock while calling getpeername() Sudhakar Panneerselvam (1): scsi: target: Fix lun lookup for TARGET_SCF_LOOKUP_LUN_FROM_TAG case And the diffstat: drivers/scsi/iscsi_tcp.c | 22 +++++++++++++++------- drivers/target/target_core_transport.c | 3 ++- 2 files changed, 17 insertions(+), 8 deletions(-) With full diffs below. James diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index b5dd1caae5e9..d10efb66cf19 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -736,6 +736,7 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn, struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; struct sockaddr_in6 addr; + struct socket *sock; int rc; switch(param) { @@ -747,13 +748,17 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn, spin_unlock_bh(&conn->session->frwd_lock); return -ENOTCONN; } + sock = tcp_sw_conn->sock; + sock_hold(sock->sk); + spin_unlock_bh(&conn->session->frwd_lock); + if (param == ISCSI_PARAM_LOCAL_PORT) - rc = kernel_getsockname(tcp_sw_conn->sock, + rc = kernel_getsockname(sock, (struct sockaddr *)&addr); else - rc = kernel_getpeername(tcp_sw_conn->sock, + rc = kernel_getpeername(sock, (struct sockaddr *)&addr); - spin_unlock_bh(&conn->session->frwd_lock); + sock_put(sock->sk); if (rc < 0) return rc; @@ -775,6 +780,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost, struct iscsi_tcp_conn *tcp_conn; struct iscsi_sw_tcp_conn *tcp_sw_conn; struct sockaddr_in6 addr; + struct socket *sock; int rc; switch (param) { @@ -789,16 +795,18 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost, return -ENOTCONN; } tcp_conn = conn->dd_data; - tcp_sw_conn = tcp_conn->dd_data; - if (!tcp_sw_conn->sock) { + sock = tcp_sw_conn->sock; + if (!sock) { spin_unlock_bh(&session->frwd_lock); return -ENOTCONN; } + sock_hold(sock->sk); + spin_unlock_bh(&session->frwd_lock); - rc = kernel_getsockname(tcp_sw_conn->sock, + rc = kernel_getsockname(sock, (struct sockaddr *)&addr); - spin_unlock_bh(&session->frwd_lock); + sock_put(sock->sk); if (rc < 0) return rc; diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 9fb0be0aa620..8dd289214dd8 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1840,7 +1840,8 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess, * out unpacked_lun for the original se_cmd. */ if (tm_type == TMR_ABORT_TASK && (flags & TARGET_SCF_LOOKUP_LUN_FROM_TAG)) { - if (!target_lookup_lun_from_tag(se_sess, tag, &unpacked_lun)) + if (!target_lookup_lun_from_tag(se_sess, tag, + &se_cmd->orig_fe_lun)) goto failure; }