1#!/bin/sh
2#
3# Check -i option.
4#
5# Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
6# Copyright (c) 2015-2017 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
33check_prog sed
34
35run_prog > /dev/null
36
37args="-if $args"
38$STRACE $args 2> "$LOG" ||
39	dump_log_and_fail_with "$STRACE $args failed"
40
41len="$(sed -r -n 's/^\[[[:xdigit:]]+\] write\(-1, NULL, ([[:digit:]]{1,2})\)[[:space:]]+= -1 .*/\1/p' "$LOG")" &&
42[ -n "$len" ] &&
43pid="$(sed -r -n 's/^\[[[:xdigit:]]{'"$len"'}\] --- SIGCHLD \{si_signo=SIGCHLD, si_code=CLD_(KILLED|DUMPED), si_pid=([[:digit:]]+), .*/\2/p' "$LOG")" &&
44[ -n "$pid" ] &&
45ip="$(sed -r -n 's/^\[pid +'"$pid"'\] \[([[:xdigit:]]{'"$len"'})] --- SIGSEGV \{.*\} ---$/\1/p' "$LOG")" &&
46[ -n "$ip" ] &&
47addr="$(echo "$ip" |sed -r 's/^0+//')" &&
48[ -n "$addr" ] ||
49	dump_log_and_fail_with
50
51cat > "$EXP" << __EOF__
52\\[[[:xdigit:]]{$len}\\] munmap\\(0x[[:xdigit:]]+, 0\\) += -1 .*
53\\[pid +$pid\\] \\[$ip\\] --- SIGSEGV \\{si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x$addr\\} ---
54\\[pid +$pid\\] \\[\\?{$len}\\] \\+\\+\\+ killed by SIGSEGV( \\(core dumped\\))? \\+\\+\\+
55\\[\\?{$len}\\] \\+\\+\\+ exited with 0 \\+\\+\\+
56__EOF__
57
58match_grep "$LOG" "$EXP"
59