87 lines
2.3 KiB
Bash
Executable File
87 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2014 EMC Corp.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Calling exec*(2) in a thread of a i386 binary on amd64 caused a reboot.
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# Test scenario by: Steven Chamberlain <stev..@pyro.eu.org>
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# Fixed by r266464
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[ `uname -p` = "amd64" ] || exit 0
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. ../default.cfg
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wd=/tmp/execi386.dir
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mkdir -p $wd
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here=`pwd`
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cd $wd
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cat > execi386.c <<EOF
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/* https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=743141 */
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#include <unistd.h>
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#include <pthread.h>
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void *
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thread_main() {
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char *cmdline[] = { "./i386", NULL };
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execve(cmdline[0], cmdline, NULL);
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return (NULL);
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}
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int
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main() {
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pthread_t thread;
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pthread_create(&thread, NULL, thread_main, NULL);
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pthread_join(thread, NULL);
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return (0);
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}
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EOF
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mycc -o execi386 -Wall -Wextra -O2 -g execi386.c -lpthread || exit 1
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cat > i386.c <<EOF
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#include <stdio.h>
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int
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main(void)
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{
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fprintf(stdout, "Hello, world\n");
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return (0);
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}
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EOF
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mycc -m32 -o i386 -Wall -Wextra -O2 -g i386.c || exit 1
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./execi386 > /dev/null || echo FAIL
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cd $here
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rm -rf $wd
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exit 0
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