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 (at] 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. 35 require_min_kernel_version_or_skip 3.1 36 37 check_prog diff 38 run_prog > /dev/null 39 40 set -- -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. 43 i=0 44 while [ $i -le 19 ]; do 45 i="$(($i+1))" 46 run_strace "$@" > "$EXP" 47 sed 1d < "$LOG" > "$OUT" 48 diff -- "$EXP" "$OUT" || continue 49 exit 0 50 done 51 52 fail_ "$STRACE $* output mismatch" 53
