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