From owner-svn-src-stable-12@freebsd.org Fri Dec 20 01:00:18 2019 Return-Path: Delivered-To: svn-src-stable-12@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 D1D161EF80C; Fri, 20 Dec 2019 01:00:18 +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 47f9QV59vXz4Hyq; Fri, 20 Dec 2019 01:00:18 +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 ACDE91EFE1; Fri, 20 Dec 2019 01:00:18 +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 xBK10IWB067444; Fri, 20 Dec 2019 01:00:18 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id xBK10I4a067443; Fri, 20 Dec 2019 01:00:18 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201912200100.xBK10I4a067443@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Fri, 20 Dec 2019 01:00:18 +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: r355919 - stable/12/libexec/rtld-elf X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/12/libexec/rtld-elf X-SVN-Commit-Revision: 355919 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-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Dec 2019 01:00:18 -0000 Author: kib Date: Fri Dec 20 01:00:18 2019 New Revision: 355919 URL: https://svnweb.freebsd.org/changeset/base/355919 Log: MFC r355676: rtld: make checks for mmap(2) failures compliant with documentation. Modified: stable/12/libexec/rtld-elf/map_object.c Directory Properties: stable/12/ (props changed) Modified: stable/12/libexec/rtld-elf/map_object.c ============================================================================== --- stable/12/libexec/rtld-elf/map_object.c Fri Dec 20 00:25:56 2019 (r355918) +++ stable/12/libexec/rtld-elf/map_object.c Fri Dec 20 01:00:18 2019 (r355919) @@ -203,7 +203,7 @@ map_object(int fd, const char *path, const struct stat base_flags |= MAP_FIXED | MAP_EXCL; mapbase = mmap(base_addr, mapsize, PROT_NONE, base_flags, -1, 0); - if (mapbase == (caddr_t) -1) { + if (mapbase == MAP_FAILED) { _rtld_error("%s: mmap of entire address space failed: %s", path, rtld_strerror(errno)); goto error; @@ -259,7 +259,7 @@ map_object(int fd, const char *path, const struct stat bss_addr = mapbase + (bss_vaddr - base_vaddr); if (bss_vlimit > bss_vaddr) { /* There is something to do */ if (mmap(bss_addr, bss_vlimit - bss_vaddr, data_prot, - data_flags | MAP_ANON, -1, 0) == (caddr_t)-1) { + data_flags | MAP_ANON, -1, 0) == MAP_FAILED) { _rtld_error("%s: mmap of bss failed: %s", path, rtld_strerror(errno)); goto error1; @@ -343,7 +343,7 @@ get_elf_header(int fd, const char *path, const struct hdr = mmap(NULL, PAGE_SIZE, PROT_READ, MAP_PRIVATE | MAP_PREFAULT_READ, fd, 0); - if (hdr == (Elf_Ehdr *)MAP_FAILED) { + if (hdr == MAP_FAILED) { _rtld_error("%s: read error: %s", path, rtld_strerror(errno)); return (NULL); }