1 #!/bin/sh 2 # 3 # Check that get_regs is skipped for filtered syscalls. 4 # 5 # Copyright (c) 2017 Dmitry V. Levin <ldv (at] altlinux.org> 6 # All rights reserved. 7 # 8 # Redistribution and use in source and binary forms, with or without 9 # modification, are permitted provided that the following conditions 10 # are met: 11 # 1. Redistributions of source code must retain the above copyright 12 # notice, this list of conditions and the following disclaimer. 13 # 2. Redistributions in binary form must reproduce the above copyright 14 # notice, this list of conditions and the following disclaimer in the 15 # documentation and/or other materials provided with the distribution. 16 # 3. The name of the author may not be used to endorse or promote products 17 # derived from this software without specific prior written permission. 18 # 19 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 . "${srcdir=.}/init.sh" 31 32 check_prog env 33 check_prog grep 34 run_prog ../gettid > /dev/null 35 36 run_strace -qq -esignal=none -eraw=all -etrace=none ../gettid > /dev/null 37 38 run_strace -qq -esignal=none -eraw=all -eptrace -o '|grep -c ^ptrace > less' \ 39 -- "$STRACE_EXE" -o "$LOG" $args > /dev/null 40 41 [ "$(cat less)" -gt 0 ] || 42 fail_ "$STRACE $args failed to catch any ptrace syscalls" 43 44 run_strace -qq -esignal=none -eraw=all -etrace=all ../gettid > /dev/null 45 46 run_strace -qq -esignal=none -eraw=all -eptrace -o '|grep -c ^ptrace > more' \ 47 -- "$STRACE_EXE" -o "$LOG" $args > /dev/null 48 49 [ "$(cat more)" -gt 0 ] || 50 fail_ "$STRACE $args failed to catch any ptrace syscalls" 51 52 [ "$(cat more)" -gt "$(cat less)" ] || 53 fail_ "$STRACE failed to skip get_regs for filtered syscalls" 54