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