From owner-freebsd-bugs Tue Sep 22 11:50:30 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA01750 for freebsd-bugs-outgoing; Tue, 22 Sep 1998 11:50:30 -0700 (PDT) (envelope-from owner-freebsd-bugs@FreeBSD.ORG) Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA01741 for ; Tue, 22 Sep 1998 11:50:29 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.8.8/8.8.5) id LAA09315; Tue, 22 Sep 1998 11:50:00 -0700 (PDT) Received: from awfulhak.org (awfulhak.force9.co.uk [195.166.136.63]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA29278 for ; Tue, 22 Sep 1998 11:39:19 -0700 (PDT) (envelope-from brian@Awfulhak.org) Received: from woof.lan.awfulhak.org (brian@woof.lan.awfulhak.org [172.16.0.7]) by awfulhak.org (8.8.8/8.8.8) with ESMTP id TAA19605 for ; Tue, 22 Sep 1998 19:38:12 +0100 (BST) (envelope-from brian@Awfulhak.org) Received: (from brian@localhost) by woof.lan.awfulhak.org (8.9.1/8.9.1) id PAA10422; Tue, 22 Sep 1998 15:23:58 +0100 (BST) (envelope-from brian) Message-Id: <199809221423.PAA10422@woof.lan.awfulhak.org> Date: Tue, 22 Sep 1998 15:23:58 +0100 (BST) From: Brian Somers Reply-To: brian@Awfulhak.org To: FreeBSD-gnats-submit@FreeBSD.ORG X-Send-Pr-Version: 3.2 Subject: bin/8028: __warn_references() overflows under ELF Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >Number: 8028 >Category: bin >Synopsis: __warn_references() overflows under ELF >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Sep 22 11:50:00 PDT 1998 >Last-Modified: >Originator: Brian Somers >Organization: Awfulhak Ltd. >Release: FreeBSD 3.0-CURRENT i386 >Environment: Cold and damp.... FreeBSD woof.lan.awfulhak.org 3.0-CURRENT FreeBSD 3.0-CURRENT #2: Fri Sep 18 14:53:49 BST 1998 brian@woof.lan.awfulhak.org:/usr/src/sys/compile/WOOF i386 cvsup done ~Sep 17 [ECP]-Day done, /etc/objformat says OBJFORMAT=elf $ fgrep Id /usr/include/sys/cdefs.h * $Id: cdefs.h,v 1.21 1998/08/24 06:17:01 bde Exp $ >Description: The use of __warn_references causes an overflow >How-To-Repeat: ln -s AJ /etc/malloc.conf echo '#include ' >foo.c echo '__warn_references(foo, "foo called !");' >>foo.c echo 'void foo() {}' >>foo.c echo 'int main() { foo(); }' >main.c cc main.c foo.c Produces: /var/tmp/ccJ103741.o: In function `main': /var/tmp/ccU103831.o(.text+0x4): foo called !ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ! ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐELF``` >Fix: Don't use __warn_references(). This only really breaks the use of programs that use gets() which has a __warn_references() call. >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message