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54 lines
2.2 KiB
54 lines
2.2 KiB
4 months ago
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#!/bin/sh
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#
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# Check that get_regs is skipped for filtered syscalls.
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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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. "${srcdir=.}/init.sh"
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check_prog env
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check_prog grep
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run_prog ../gettid > /dev/null
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run_strace -qq -esignal=none -eraw=all -etrace=none ../gettid > /dev/null
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run_strace -qq -esignal=none -eraw=all -eptrace -o '|grep -c ^ptrace > less' \
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-- "$STRACE_EXE" -o "$LOG" $args > /dev/null
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[ "$(cat less)" -gt 0 ] ||
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fail_ "$STRACE $args failed to catch any ptrace syscalls"
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run_strace -qq -esignal=none -eraw=all -etrace=all ../gettid > /dev/null
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run_strace -qq -esignal=none -eraw=all -eptrace -o '|grep -c ^ptrace > more' \
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-- "$STRACE_EXE" -o "$LOG" $args > /dev/null
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[ "$(cat more)" -gt 0 ] ||
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fail_ "$STRACE $args failed to catch any ptrace syscalls"
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[ "$(cat more)" -gt "$(cat less)" ] ||
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fail_ "$STRACE failed to skip get_regs for filtered syscalls"
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