53 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
| #!/bin/sh
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| #
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| # Force legacy printpath/umovestr using process_vm_readv fault injection.
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| #
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| # Copyright (c) 2017 Dmitry V. Levin <ldv@altlinux.org>
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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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| # 3. The name of the author may not be used to endorse or promote products
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| #    derived from this software without specific prior written permission.
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| #
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| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 
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| . "${srcdir=.}/scno_tampering.sh"
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| 
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| > "$LOG" || fail_ "failed to write $LOG"
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| fault_args='-qq -esignal=none -etrace=process_vm_readv -efault=process_vm_readv'
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| args='../printpath-umovestr-peekdata'
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| 
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| $STRACE -o "$LOG" $fault_args $args > /dev/null || {
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| 	rc=$?
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| 	if [ $rc -eq 77 ]; then
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| 		skip_ "$fault_args $args exited with code 77"
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| 	else
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| 		fail_ "$fault_args $args failed with code $rc"
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| 	fi
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| }
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| 
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| > "$LOG" || fail_ "failed to write $LOG"
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| args="-a11 -e signal=none -e trace=chdir $args skip-process_vm_readv-check"
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| 
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| $STRACE -o /dev/null $fault_args \
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| 	$STRACE -o "$LOG" $args > "$EXP" ||
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| 	dump_log_and_fail_with "$STRACE $args failed with code $?"
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| 
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| match_diff "$LOG" "$EXP"
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