From patchwork Mon Mar 15 11:18:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Weimer X-Patchwork-Id: 42540 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 2FC2A3857C71; Mon, 15 Mar 2021 11:18:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2FC2A3857C71 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1615807100; bh=682wssW7ecYXRxGg3XJAOU3A7r0meEqr1C0dcacr2Uc=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=W0y3ln9Q8XEAKptdVQ/C9xcnflvgbVXBZeKOYMmeDrEijbbXU+umkatgURq3C20YX Jl3N8Hc7lOFskylhGNQoamFXYD+RtVvjJo9Rpe6pRQN705mKZ18UKkvazvsIzIXGIJ iphPW7UrEkJOz+kgxBPWWgmmsnF4ET5Ttr33zKIs= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTP id 39C773858C27 for ; Mon, 15 Mar 2021 11:18:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 39C773858C27 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-152-dDfXY7PVPiKUJTQPtJM6sg-1; Mon, 15 Mar 2021 07:18:14 -0400 X-MC-Unique: dDfXY7PVPiKUJTQPtJM6sg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EC1FF8015BD for ; Mon, 15 Mar 2021 11:18:13 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-112-163.ams2.redhat.com [10.36.112.163]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 49C76100164C for ; Mon, 15 Mar 2021 11:18:13 +0000 (UTC) To: libc-alpha@sourceware.org Subject: [PATCH 0/2] ld.so memory management cleanups Message-Id: Date: Mon, 15 Mar 2021 12:18:19 +0100 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-6.5 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Florian Weimer via Libc-alpha From: Florian Weimer Reply-To: Florian Weimer Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" I'm reposting this series because it removes the last remaining use of pthread_key_create/pthread_setspecific/pthread_getspecific from libc. Lack of internal-to-libc users means that libpthread removal does not need to accommodate them. Tested on i686-linux-gnu and x86_64-linux-gnu. Thanks, Florian Florian Weimer (2): dlfcn: Failures after dlmopen should not terminate process [BZ #24772] dlfcn: dlerror needs to call free from the base namespace [BZ #24773] dlfcn/Makefile | 3 +- dlfcn/Versions | 6 +- dlfcn/dlerror.c | 297 ++++++++++++++-------------------- dlfcn/dlerror.h | 74 +++++++++ dlfcn/dlfreeres.c | 29 ---- dlfcn/libc_dlerror_result.c | 39 +++++ elf/Makefile | 8 +- elf/dl-error-skeleton.c | 12 ++ elf/dl-exception.c | 11 ++ elf/rtld.c | 2 + elf/tst-dlmopen-dlerror-mod.c | 58 +++++++ elf/tst-dlmopen-dlerror.c | 49 ++++++ include/dlfcn.h | 2 - malloc/set-freeres.c | 10 +- malloc/thread-freeres.c | 2 + sysdeps/generic/ldsodefs.h | 16 ++ 16 files changed, 403 insertions(+), 215 deletions(-) create mode 100644 dlfcn/dlerror.h delete mode 100644 dlfcn/dlfreeres.c create mode 100644 dlfcn/libc_dlerror_result.c create mode 100644 elf/tst-dlmopen-dlerror-mod.c create mode 100644 elf/tst-dlmopen-dlerror.c