1 #!/bin/sh -efu 2 # 3 # Check decoding of PR_SET_SPECULATION_CTRL and PR_GET_SPECULATION_CTRL 4 # prctl operations. 5 # 6 # Copyright (c) 2018 The strace developers. 7 # All rights reserved. 8 # 9 # Redistribution and use in source and binary forms, with or without 10 # modification, are permitted provided that the following conditions 11 # are met: 12 # 1. Redistributions of source code must retain the above copyright 13 # notice, this list of conditions and the following disclaimer. 14 # 2. Redistributions in binary form must reproduce the above copyright 15 # notice, this list of conditions and the following disclaimer in the 16 # documentation and/or other materials provided with the distribution. 17 # 3. The name of the author may not be used to endorse or promote products 18 # derived from this software without specific prior written permission. 19 # 20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 . "${srcdir=.}/scno_tampering.sh" 32 33 fault_args='-a53 -e trace=prctl -e inject=prctl:' 34 prog="../$NAME" 35 36 test_run_rval() 37 { 38 local run rval injexpr 39 run="$1"; shift 40 rval="$1"; shift 41 injexpr="$1"; shift 42 43 run_strace $fault_args$injexpr $prog $rval > "$EXP" 44 LC_ALL=C grep -Ev '^prctl\(PR_[GS]ET_([^S][^P][^E][^C]])' \ 45 < "$LOG" > "$OUT" 46 match_diff "$OUT" "$EXP" 47 } 48 49 test_run_rval 0 -1 "error=ENOTTY" 50 test_run_rval 1 0 "retval=0" 51 test_run_rval 2 1 "retval=1" 52 test_run_rval 3 3 "retval=3" 53 test_run_rval 4 8 "retval=8" 54 test_run_rval 5 16 "retval=16" 55 test_run_rval 6 42 "retval=42" 56
