From owner-svn-src-all@freebsd.org Tue Feb 4 21:16:41 2020 Return-Path: Delivered-To: svn-src-all@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 BBF13234E11; Tue, 4 Feb 2020 21:16:41 +0000 (UTC) (envelope-from markj@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 48ByDn4510z4Zmx; Tue, 4 Feb 2020 21:16:41 +0000 (UTC) (envelope-from markj@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 876E420003; Tue, 4 Feb 2020 21:16:41 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 014LGfBR019095; Tue, 4 Feb 2020 21:16:41 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 014LGf9p019094; Tue, 4 Feb 2020 21:16:41 GMT (envelope-from markj@FreeBSD.org) Message-Id: <202002042116.014LGf9p019094@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Tue, 4 Feb 2020 21:16:41 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r357537 - head/contrib/elftoolchain/elfcopy X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/contrib/elftoolchain/elfcopy X-SVN-Commit-Revision: 357537 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: Tue, 04 Feb 2020 21:16:41 -0000 Author: markj Date: Tue Feb 4 21:16:41 2020 New Revision: 357537 URL: https://svnweb.freebsd.org/changeset/base/357537 Log: elfcopy: Handle multiple data descriptors properly. The code clearly meant to resize the buffer in the case where a section was backed by multiple data descriptors. In practice this shouldn't have been a problem since libelf would return a single data descriptor for each section in a newly opened file. CID: 1262522 MFC after: 1 week Sponsored by: The FreeBSD Foundation Modified: head/contrib/elftoolchain/elfcopy/sections.c Modified: head/contrib/elftoolchain/elfcopy/sections.c ============================================================================== --- head/contrib/elftoolchain/elfcopy/sections.c Tue Feb 4 21:16:16 2020 (r357536) +++ head/contrib/elftoolchain/elfcopy/sections.c Tue Feb 4 21:16:41 2020 (r357537) @@ -1137,7 +1137,7 @@ read_section(struct section *s, size_t *size) if (b == NULL) b = malloc(id->d_size); else - b = malloc(sz + id->d_size); + b = realloc(b, sz + id->d_size); if (b == NULL) err(EXIT_FAILURE, "malloc or realloc failed");