From owner-svn-src-head@freebsd.org Tue Jun 30 16:24:29 2020 Return-Path: Delivered-To: svn-src-head@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 3811534FD5A; Tue, 30 Jun 2020 16:24:29 +0000 (UTC) (envelope-from trasz@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 49x8nn0jxgz4d6g; Tue, 30 Jun 2020 16:24:29 +0000 (UTC) (envelope-from trasz@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 F0ED51B08E; Tue, 30 Jun 2020 16:24:28 +0000 (UTC) (envelope-from trasz@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 05UGOSWq035294; Tue, 30 Jun 2020 16:24:28 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 05UGOS9F035293; Tue, 30 Jun 2020 16:24:28 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <202006301624.05UGOS9F035293@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Tue, 30 Jun 2020 16:24:28 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r362806 - head/sys/compat/linprocfs X-SVN-Group: head X-SVN-Commit-Author: trasz X-SVN-Commit-Paths: head/sys/compat/linprocfs X-SVN-Commit-Revision: 362806 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Jun 2020 16:24:29 -0000 Author: trasz Date: Tue Jun 30 16:24:28 2020 New Revision: 362806 URL: https://svnweb.freebsd.org/changeset/base/362806 Log: Make linprocfs(5) create the /proc//task/ directores. This is to silence down some Chromium assertions. PR: kern/240991 Analyzed by: Alex S MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D25256 Modified: head/sys/compat/linprocfs/linprocfs.c Modified: head/sys/compat/linprocfs/linprocfs.c ============================================================================== --- head/sys/compat/linprocfs/linprocfs.c Tue Jun 30 16:23:51 2020 (r362805) +++ head/sys/compat/linprocfs/linprocfs.c Tue Jun 30 16:24:28 2020 (r362806) @@ -1620,6 +1620,28 @@ out: } /* + * The point of the following two functions is to work around + * an assertion in Chromium; see kern/240991 for details. + */ +static int +linprocfs_dotaskattr(PFS_ATTR_ARGS) +{ + + vap->va_nlink = 3; + return (0); +} + +/* + * Filler function for proc//task/.dummy + */ +static int +linprocfs_dotaskdummy(PFS_FILL_ARGS) +{ + + return (0); +} + +/* * Filler function for proc/sys/kernel/random/uuid */ static int @@ -1758,6 +1780,11 @@ linprocfs_init(PFS_INIT_ARGS) pfs_create_file(dir, "auxv", &linprocfs_doauxv, NULL, &procfs_candebug, NULL, PFS_RD|PFS_RAWRD); pfs_create_file(dir, "limits", &linprocfs_doproclimits, + NULL, NULL, NULL, PFS_RD); + + /* /proc//task/... */ + dir = pfs_create_dir(dir, "task", linprocfs_dotaskattr, NULL, NULL, 0); + pfs_create_file(dir, ".dummy", &linprocfs_dotaskdummy, NULL, NULL, NULL, PFS_RD); /* /proc/scsi/... */