From owner-svn-src-all@freebsd.org Thu Jul 4 19:40:01 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D8BED15DCB79; Thu, 4 Jul 2019 19:40:01 +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) server-signature RSA-PSS (4096 bits) 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 7EF3C6F477; Thu, 4 Jul 2019 19:40:01 +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 74448277B3; Thu, 4 Jul 2019 19:40:01 +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 x64Je1GN029299; Thu, 4 Jul 2019 19:40:01 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x64Je1Uv029298; Thu, 4 Jul 2019 19:40:01 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <201907041940.x64Je1Uv029298@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Thu, 4 Jul 2019 19:40:01 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r349746 - head/sys/compat/linux X-SVN-Group: head X-SVN-Commit-Author: trasz X-SVN-Commit-Paths: head/sys/compat/linux X-SVN-Commit-Revision: 349746 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 7EF3C6F477 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.95)[-0.948,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 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: Thu, 04 Jul 2019 19:40:02 -0000 Author: trasz Date: Thu Jul 4 19:40:01 2019 New Revision: 349746 URL: https://svnweb.freebsd.org/changeset/base/349746 Log: Fix linuxulator prlimit64(2) with pid == 0. This makes 'ulimit -a' return something reasonable, and helps linux binaries which attempt to close all the files, eg apt(8). Reviewed by: emaste MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D20692 Modified: head/sys/compat/linux/linux_misc.c Modified: head/sys/compat/linux/linux_misc.c ============================================================================== --- head/sys/compat/linux/linux_misc.c Thu Jul 4 19:25:30 2019 (r349745) +++ head/sys/compat/linux/linux_misc.c Thu Jul 4 19:40:01 2019 (r349746) @@ -2001,10 +2001,14 @@ linux_prlimit64(struct thread *td, struct linux_prlimi flags |= PGET_CANDEBUG; else flags |= PGET_CANSEE; - error = pget(args->pid, flags, &p); - if (error != 0) - return (error); - + if (args->pid == 0) { + p = td->td_proc; + PHOLD(p); + } else { + error = pget(args->pid, flags, &p); + if (error != 0) + return (error); + } if (args->old != NULL) { PROC_LOCK(p); lim_rlimit_proc(p, which, &rlim);