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 # All rights reserved. 7 # 8 # Redistribution and use in source and binary forms, with or without 9 # modification, are permitted provided that the following conditions 10 # are met: 11 # 1. Redistributions of source code must retain the above copyright 12 # notice, this list of conditions and the following disclaimer. 13 # 2. Redistributions in binary form must reproduce the above copyright 14 # notice, this list of conditions and the following disclaimer in the 15 # documentation and/or other materials provided with the distribution. 16 # 3. The name of the author may not be used to endorse or promote products 17 # derived from this software without specific prior written permission. 18 # 19 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 . "${srcdir=.}/init.sh" 31 32 # Check that PTRACE_EVENT_EXEC support in kernel is good enough. 33 # The kernel before commit v3.1-rc1~308^2~7 reported 0 instead of old pid. 34 require_min_kernel_version_or_skip 3.1 35 36 check_prog diff 37 run_prog > /dev/null 38 39 set -- -a21 -f -esignal=none -e trace=execve,exit,nanosleep,rt_sigsuspend $args 40 41 # Due to probabilistic nature of the test, try it several times. 42 i=0 43 while [ $i -le 9 ]; do 44 run_strace "$@" > "$EXP" 45 diff -- "$EXP" "$LOG" || continue 46 rm -f "$EXP" 47 exit 0 48 done 49 50 fail_ "$STRACE $* output mismatch" 51
