56 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
#!/bin/sh -efu
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#
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# Check decoding of PR_SET_SPECULATION_CTRL and PR_GET_SPECULATION_CTRL
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# prctl operations.
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#
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# Copyright (c) 2018 The strace developers.
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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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. "${srcdir=.}/scno_tampering.sh"
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fault_args='-a53 -e trace=prctl -e inject=prctl:'
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prog="../$NAME"
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test_run_rval()
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{
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	local run rval injexpr
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	run="$1"; shift
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	rval="$1"; shift
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	injexpr="$1"; shift
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	run_strace $fault_args$injexpr $prog $rval > "$EXP"
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	LC_ALL=C grep -Ev '^prctl\(PR_[GS]ET_([^S][^P][^E][^C]])' \
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		< "$LOG" > "$OUT"
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	match_diff "$OUT" "$EXP"
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}
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test_run_rval 0 -1 "error=ENOTTY"
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test_run_rval 1 0 "retval=0"
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test_run_rval 2 1 "retval=1"
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test_run_rval 3 3 "retval=3"
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test_run_rval 4 8 "retval=8"
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test_run_rval 5 16 "retval=16"
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test_run_rval 6 42 "retval=42"
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