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53 lines
2.1 KiB
53 lines
2.1 KiB
#!/bin/sh
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#
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# Check decoding of threads when a non-leader thread invokes execve.
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#
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# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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# Copyright (c) 2016-2017 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=.}/init.sh"
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# Check that PTRACE_EVENT_EXEC support in kernel is good enough.
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# The kernel before commit v3.1-rc1~308^2~7 reported 0 instead of old pid.
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require_min_kernel_version_or_skip 3.1
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check_prog diff
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run_prog > /dev/null
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set -- -a21 -f -esignal=none -e trace=execve,exit,nanosleep,rt_sigsuspend $args
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# Due to probabilistic nature of the test, try it several times.
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i=0
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while [ $i -le 19 ]; do
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i="$(($i+1))"
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run_strace "$@" > "$EXP"
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sed 1d < "$LOG" > "$OUT"
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diff -- "$EXP" "$OUT" || continue
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exit 0
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done
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fail_ "$STRACE $* output mismatch"
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