From owner-freebsd-bugs@freebsd.org Thu Jul 27 01:49:54 2017 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 07BDEDBC41A for ; Thu, 27 Jul 2017 01:49:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id E9FEA1DB4 for ; Thu, 27 Jul 2017 01:49:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v6R1nrDE038330 for ; Thu, 27 Jul 2017 01:49:53 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 217610] ELF loader should have a special case for program headers with p_filesz == 0 Date: Thu, 27 Jul 2017 01:49:54 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.0-RELEASE X-Bugzilla-Keywords: patch X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: emaste@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Jul 2017 01:49:54 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217610 --- Comment #7 from Ed Maste --- For reference ld.lld creates an 8928-byte file for your sample, with the following segments: There are 5 program headers, starting at offset 64 Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flags Align PHDR 0x0000000000000040 0x0000000000200040 0x0000000000200040 0x0000000000000118 0x0000000000000118 R 8 LOAD 0x0000000000000000 0x0000000000200000 0x0000000000200000 0x0000000000000158 0x0000000000000158 R 1000 LOAD 0x0000000000001000 0x0000000000201000 0x0000000000201000 0x0000000000000009 0x0000000000000009 R E 1000 LOAD 0x0000000000002000 0x0000000000202000 0x0000000000202000 0x0000000000000000 0x0000000000000010 RW 1000 GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000 RW 0 --=20 You are receiving this mail because: You are the assignee for the bug.=