From owner-svn-src-all@freebsd.org Sun Jan 13 02:36:59 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 F0D041484256; Sun, 13 Jan 2019 02:36:58 +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 917628468C; Sun, 13 Jan 2019 02:36:58 +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 80D6FCC8D; Sun, 13 Jan 2019 02:36:58 +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 x0D2awi0046940; Sun, 13 Jan 2019 02:36:58 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x0D2awCp046939; Sun, 13 Jan 2019 02:36:58 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201901130236.x0D2awCp046939@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 13 Jan 2019 02:36:58 +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: r342986 - stable/12/contrib/xz/src/common X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/12/contrib/xz/src/common X-SVN-Commit-Revision: 342986 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 917628468C X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.97)[-0.968,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.998,0] 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: Sun, 13 Jan 2019 02:36:59 -0000 Author: kib Date: Sun Jan 13 02:36:58 2019 New Revision: 342986 URL: https://svnweb.freebsd.org/changeset/base/342986 Log: MFC r342823: Clamp tuklib_physmem() return value to SIZE_T_MAX. Modified: stable/12/contrib/xz/src/common/tuklib_physmem.c Directory Properties: stable/12/ (props changed) Modified: stable/12/contrib/xz/src/common/tuklib_physmem.c ============================================================================== --- stable/12/contrib/xz/src/common/tuklib_physmem.c Sun Jan 13 02:33:20 2019 (r342985) +++ stable/12/contrib/xz/src/common/tuklib_physmem.c Sun Jan 13 02:36:58 2019 (r342986) @@ -45,6 +45,7 @@ # include #elif defined(TUKLIB_PHYSMEM_SYSCONF) +# include # include #elif defined(TUKLIB_PHYSMEM_SYSCTL) @@ -145,13 +146,16 @@ tuklib_physmem(void) #elif defined(TUKLIB_PHYSMEM_SYSCONF) const long pagesize = sysconf(_SC_PAGESIZE); const long pages = sysconf(_SC_PHYS_PAGES); - if (pagesize != -1 && pages != -1) + if (pagesize != -1 && pages != -1) { // According to docs, pagesize * pages can overflow. // Simple case is 32-bit box with 4 GiB or more RAM, // which may report exactly 4 GiB of RAM, and "long" // being 32-bit will overflow. Casting to uint64_t // hopefully avoids overflows in the near future. ret = (uint64_t)pagesize * (uint64_t)pages; + if (ret > SIZE_T_MAX) + ret = SIZE_T_MAX; + } #elif defined(TUKLIB_PHYSMEM_SYSCTL) int name[2] = {