From owner-svn-src-all@freebsd.org Mon Jul 13 15:37:59 2020 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D91EE36781A; Mon, 13 Jul 2020 15:37:59 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4B57875R6hz460y; Mon, 13 Jul 2020 15:37:59 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 9E779176C9; Mon, 13 Jul 2020 15:37:59 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 06DFbxLQ021507; Mon, 13 Jul 2020 15:37:59 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 06DFbxx3021506; Mon, 13 Jul 2020 15:37:59 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <202007131537.06DFbxx3021506@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Mon, 13 Jul 2020 15:37:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r363153 - stable/11/sys/compat/linuxkpi/common/src X-SVN-Group: stable-11 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/11/sys/compat/linuxkpi/common/src X-SVN-Commit-Revision: 363153 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jul 2020 15:37:59 -0000 Author: hselasky Date: Mon Jul 13 15:37:59 2020 New Revision: 363153 URL: https://svnweb.freebsd.org/changeset/base/363153 Log: MFC r362829: The "pid" field in the LinuxKPI task struct is typically set to the thread ID and not the process ID. Make sure the linux_task_exiting() function uses tdfind() to lookup the BSD procedure structure pointer by the "pid" field, and only fallback to pfind() when no match is found! This makes linux_task_exiting() in line with the rest of the code. Differential Revision: https://reviews.freebsd.org/D25509 Submitted by: Greg V Sponsored by: Mellanox Technologies Modified: stable/11/sys/compat/linuxkpi/common/src/linux_current.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/compat/linuxkpi/common/src/linux_current.c ============================================================================== --- stable/11/sys/compat/linuxkpi/common/src/linux_current.c Mon Jul 13 15:36:57 2020 (r363152) +++ stable/11/sys/compat/linuxkpi/common/src/linux_current.c Mon Jul 13 15:37:59 2020 (r363153) @@ -218,11 +218,21 @@ linux_get_pid_task(pid_t pid) bool linux_task_exiting(struct task_struct *task) { + struct thread *td; struct proc *p; bool ret; ret = false; - p = pfind(task->pid); + + /* try to find corresponding thread */ + td = tdfind(task->pid, -1); + if (td != NULL) { + p = td->td_proc; + } else { + /* try to find corresponding procedure */ + p = pfind(task->pid); + } + if (p != NULL) { if ((p->p_flag & P_WEXIT) != 0) ret = true;