From owner-svn-src-stable@freebsd.org Thu Aug 13 18:59:35 2020 Return-Path: Delivered-To: svn-src-stable@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 DEED93A8D54; Thu, 13 Aug 2020 18:59:35 +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 4BSG8R5hYdz4fkn; Thu, 13 Aug 2020 18:59:35 +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 A7151219EB; Thu, 13 Aug 2020 18:59:35 +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 07DIxZHm000489; Thu, 13 Aug 2020 18:59:35 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 07DIxZD7000488; Thu, 13 Aug 2020 18:59:35 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <202008131859.07DIxZD7000488@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Thu, 13 Aug 2020 18:59:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r364212 - stable/12/sys/compat/linprocfs X-SVN-Group: stable-12 X-SVN-Commit-Author: trasz X-SVN-Commit-Paths: stable/12/sys/compat/linprocfs X-SVN-Commit-Revision: 364212 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Aug 2020 18:59:35 -0000 Author: trasz Date: Thu Aug 13 18:59:35 2020 New Revision: 364212 URL: https://svnweb.freebsd.org/changeset/base/364212 Log: MFC r363094: Make linprocfs(5) report correct tty number in /proc//stat. Fixes sudo (sudo-1.8.21p2-3ubuntu1.2); previously would fail with "sudo: no tty present and no askpass program specified". Sponsored by: The FreeBSD Foundation Modified: stable/12/sys/compat/linprocfs/linprocfs.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/compat/linprocfs/linprocfs.c ============================================================================== --- stable/12/sys/compat/linprocfs/linprocfs.c Thu Aug 13 18:57:06 2020 (r364211) +++ stable/12/sys/compat/linprocfs/linprocfs.c Thu Aug 13 18:59:35 2020 (r364212) @@ -767,6 +767,32 @@ linprocfs_doloadavg(PFS_FILL_ARGS) return (0); } +static int +linprocfs_get_tty_nr(struct proc *p) +{ + struct session *sp; + const char *ttyname; + int error, major, minor, nr; + + PROC_LOCK_ASSERT(p, MA_OWNED); + sx_assert(&proctree_lock, SX_LOCKED); + + if ((p->p_flag & P_CONTROLT) == 0) + return (-1); + + sp = p->p_pgrp->pg_session; + if (sp == NULL) + return (-1); + + ttyname = devtoname(sp->s_ttyp->t_dev); + error = linux_driver_get_major_minor(ttyname, &major, &minor); + if (error != 0) + return (-1); + + nr = makedev(major, minor); + return (nr); +} + /* * Filler function for proc/pid/stat */ @@ -777,12 +803,14 @@ linprocfs_doprocstat(PFS_FILL_ARGS) struct timeval boottime; char state; static int ratelimit = 0; + int tty_nr; vm_offset_t startcode, startdata; getboottime(&boottime); sx_slock(&proctree_lock); PROC_LOCK(p); fill_kinfo_proc(p, &kp); + tty_nr = linprocfs_get_tty_nr(p); sx_sunlock(&proctree_lock); if (p->p_vmspace) { startcode = (vm_offset_t)p->p_vmspace->vm_taddr; @@ -809,10 +837,7 @@ linprocfs_doprocstat(PFS_FILL_ARGS) PS_ADD("pgrp", "%d", p->p_pgid); PS_ADD("session", "%d", p->p_session->s_sid); PROC_UNLOCK(p); - if (kp.ki_tdev == NODEV) - PS_ADD("tty", "%s", "-1"); - else - PS_ADD("tty", "%ju", (uintmax_t)kp.ki_tdev); + PS_ADD("tty", "%d", tty_nr); PS_ADD("tpgid", "%d", kp.ki_tpgid); PS_ADD("flags", "%u", 0); /* XXX */ PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt);