1#!/bin/sh 2# 3# Check decoding of threads when a non-leader thread invokes execve. 4# 5# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> 6# Copyright (c) 2016-2017 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=.}/init.sh" 32 33# Check that PTRACE_EVENT_EXEC support in kernel is good enough. 34# The kernel before commit v3.1-rc1~308^2~7 reported 0 instead of old pid. 35require_min_kernel_version_or_skip 3.1 36 37check_prog diff 38run_prog > /dev/null 39 40set -- -a21 -f -esignal=none -e trace=execve,exit,nanosleep,rt_sigsuspend $args 41 42# Due to probabilistic nature of the test, try it several times. 43i=0 44while [ $i -le 19 ]; do 45 i="$(($i+1))" 46 run_strace "$@" > "$EXP" 47 sed 1d < "$LOG" > "$OUT" 48 diff -- "$EXP" "$OUT" || continue 49 exit 0 50done 51 52fail_ "$STRACE $* output mismatch" 53