1*8a272653SPeter Holm#!/bin/sh 2*8a272653SPeter Holm 3*8a272653SPeter Holm# 4*8a272653SPeter Holm# Copyright (c) 2014 EMC Corp. 5*8a272653SPeter Holm# All rights reserved. 6*8a272653SPeter Holm# 7*8a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 8*8a272653SPeter Holm# modification, are permitted provided that the following conditions 9*8a272653SPeter Holm# are met: 10*8a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 11*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 12*8a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 13*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 14*8a272653SPeter Holm# documentation and/or other materials provided with the distribution. 15*8a272653SPeter Holm# 16*8a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*8a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*8a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*8a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*8a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*8a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*8a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*8a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*8a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*8a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*8a272653SPeter Holm# SUCH DAMAGE. 27*8a272653SPeter Holm# 28*8a272653SPeter Holm 29*8a272653SPeter Holm# Calling exec*(2) in a thread of a i386 binary on amd64 caused a reboot. 30*8a272653SPeter Holm# Test scenario by: Steven Chamberlain <stev..@pyro.eu.org> 31*8a272653SPeter Holm# Fixed by r266464 32*8a272653SPeter Holm 33*8a272653SPeter Holm[ `uname -p` = "amd64" ] || exit 0 34*8a272653SPeter Holm 35*8a272653SPeter Holm. ../default.cfg 36*8a272653SPeter Holm 37*8a272653SPeter Holmwd=/tmp/execi386.dir 38*8a272653SPeter Holmmkdir -p $wd 39*8a272653SPeter Holmhere=`pwd` 40*8a272653SPeter Holmcd $wd 41*8a272653SPeter Holm 42*8a272653SPeter Holmcat > execi386.c <<EOF 43*8a272653SPeter Holm/* https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=743141 */ 44*8a272653SPeter Holm#include <unistd.h> 45*8a272653SPeter Holm#include <pthread.h> 46*8a272653SPeter Holm 47*8a272653SPeter Holmvoid * 48*8a272653SPeter Holmthread_main() { 49*8a272653SPeter Holm char *cmdline[] = { "./i386", NULL }; 50*8a272653SPeter Holm 51*8a272653SPeter Holm execve(cmdline[0], cmdline, NULL); 52*8a272653SPeter Holm 53*8a272653SPeter Holm return (NULL); 54*8a272653SPeter Holm} 55*8a272653SPeter Holm 56*8a272653SPeter Holmint 57*8a272653SPeter Holmmain() { 58*8a272653SPeter Holm pthread_t thread; 59*8a272653SPeter Holm 60*8a272653SPeter Holm pthread_create(&thread, NULL, thread_main, NULL); 61*8a272653SPeter Holm pthread_join(thread, NULL); 62*8a272653SPeter Holm 63*8a272653SPeter Holm return (0); 64*8a272653SPeter Holm} 65*8a272653SPeter HolmEOF 66*8a272653SPeter Holm 67*8a272653SPeter Holmmycc -o execi386 -Wall -Wextra -O2 -g execi386.c -lpthread || exit 1 68*8a272653SPeter Holm 69*8a272653SPeter Holmcat > i386.c <<EOF 70*8a272653SPeter Holm#include <stdio.h> 71*8a272653SPeter Holm 72*8a272653SPeter Holmint 73*8a272653SPeter Holmmain(void) 74*8a272653SPeter Holm{ 75*8a272653SPeter Holm fprintf(stdout, "Hello, world\n"); 76*8a272653SPeter Holm return (0); 77*8a272653SPeter Holm} 78*8a272653SPeter HolmEOF 79*8a272653SPeter Holm 80*8a272653SPeter Holmmycc -m32 -o i386 -Wall -Wextra -O2 -g i386.c || exit 1 81*8a272653SPeter Holm 82*8a272653SPeter Holm./execi386 > /dev/null || echo FAIL 83*8a272653SPeter Holm 84*8a272653SPeter Holmcd $here 85*8a272653SPeter Holmrm -rf $wd 86*8a272653SPeter Holmexit 0 87