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