From owner-svn-src-head@freebsd.org Tue Sep 3 14:05:48 2019 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 22DA9DBEBD; Tue, 3 Sep 2019 14:05:48 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (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 "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46N7yg4bS8z4Nr8; Tue, 3 Sep 2019 14:05:47 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1452) id 35F4819B7F; Tue, 3 Sep 2019 14:05:47 +0000 (UTC) X-Original-To: yuripv@localmail.freebsd.org Delivered-To: yuripv@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id F371625EE; Wed, 27 Mar 2019 22:35:32 +0000 (UTC) (envelope-from owner-src-committers@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [96.47.72.132]) (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 "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3CB096CA27; Wed, 27 Mar 2019 22:35:32 +0000 (UTC) (envelope-from owner-src-committers@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 538) id 12EDE259F; Wed, 27 Mar 2019 22:35:32 +0000 (UTC) Delivered-To: src-committers@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id 5EA26259D for ; Wed, 27 Mar 2019 22:35:29 +0000 (UTC) (envelope-from kib@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 2ECE96CA21; Wed, 27 Mar 2019 22:35:29 +0000 (UTC) (envelope-from kib@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 09679DCF6; Wed, 27 Mar 2019 22:35:29 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x2RMZSw6085273; Wed, 27 Mar 2019 22:35:28 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x2RMZSb3085272; Wed, 27 Mar 2019 22:35:28 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201903272235.x2RMZSb3085272@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r345620 - head/libexec/rtld-elf X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/libexec/rtld-elf X-SVN-Commit-Revision: 345620 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 3CB096CA27 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-0.99)[-0.993,0]; NEURAL_HAM_SHORT(-0.96)[-0.964,0]; ASN(0.00)[asn:11403, ipnet:96.47.64.0/20, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:05:48 -0000 X-Original-Date: Wed, 27 Mar 2019 22:35:28 +0000 (UTC) X-List-Received-Date: Tue, 03 Sep 2019 14:05:48 -0000 Author: kib Date: Wed Mar 27 22:35:28 2019 New Revision: 345620 URL: https://svnweb.freebsd.org/changeset/base/345620 Log: rtld: disable relro enforcement for irelative relocation processing. This fixes yet another breakage for relro + bind now. Reported by: emaste Sponsored by: The FreeBSD Foundation MFC after: 3 days Modified: head/libexec/rtld-elf/rtld.c Modified: head/libexec/rtld-elf/rtld.c ============================================================================== --- head/libexec/rtld-elf/rtld.c Wed Mar 27 22:27:25 2019 (r345619) +++ head/libexec/rtld-elf/rtld.c Wed Mar 27 22:35:28 2019 (r345620) @@ -2956,14 +2956,14 @@ resolve_object_ifunc(Obj_Entry *obj, bool bind_now, in if (obj->ifuncs_resolved) return (0); obj->ifuncs_resolved = true; - if (obj->irelative && reloc_iresolve(obj, lockstate) == -1) + if (!obj->irelative && !((obj->bind_now || bind_now) && obj->gnu_ifunc)) + return (0); + if (obj_disable_relro(obj) == -1 || + (obj->irelative && reloc_iresolve(obj, lockstate) == -1) || + ((obj->bind_now || bind_now) && obj->gnu_ifunc && + reloc_gnu_ifunc(obj, flags, lockstate) == -1) || + obj_enforce_relro(obj) == -1) return (-1); - if ((obj->bind_now || bind_now) && obj->gnu_ifunc) { - if (obj_disable_relro(obj) || - reloc_gnu_ifunc(obj, flags, lockstate) == -1 || - obj_enforce_relro(obj)) - return (-1); - } return (0); }