1#!/bin/ksh -p
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28#
29# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
30#
31
32. $STF_SUITE/include/libtest.shlib
33
34#
35# DESCRIPTION:
36# With ZFS_ABORT set, all zfs commands should be able to abort and generate a
37# core file.
38#
39# STRATEGY:
40# 1. Create an array of zfs command
41# 2. Execute each command in the array
42# 3. Verify the command aborts and generate a core file
43#
44
45verify_runnable "both"
46
47function cleanup
48{
49	unset ZFS_ABORT
50
51	if is_freebsd && [[ -n $savedcorefile ]]; then
52		sysctl kern.corefile=$savedcorefile
53	fi
54
55	if [[ -d $corepath ]]; then
56		rm -rf $corepath
57	fi
58	for ds in $fs1 $fs $ctr; do
59		if datasetexists $ds; then
60			log_must zfs destroy -rRf $ds
61		fi
62	done
63}
64
65log_assert "With ZFS_ABORT set, all zfs commands can abort and generate a " \
66    "core file."
67log_onexit cleanup
68
69# Preparation work for testing
70savedcorefile=""
71corepath=$TESTDIR/core
72corefile=$corepath/core.zfs
73if [[ -d $corepath ]]; then
74	rm -rf $corepath
75fi
76log_must mkdir $corepath
77
78ctr=$TESTPOOL/$TESTCTR
79log_must zfs create $ctr
80
81fs=$ctr/$TESTFS
82fs1=$ctr/$TESTFS1
83snap=$fs@$TESTSNAP
84clone=$ctr/$TESTCLONE
85streamf=$corepath/s.$$
86
87typeset cmds=("create $fs" "list $fs" "snapshot $snap" "set snapdir=hidden $fs" \
88    "get snapdir $fs" "rollback $snap" "inherit snapdir $fs" \
89    "rename $fs $fs-new" "rename $fs-new $fs" "unmount $fs" \
90    "mount $fs" "share $fs" "unshare $fs" "send $snap \>$streamf" \
91    "receive $fs1 \<$streamf" "clone $snap $clone" "promote $clone" \
92    "promote $fs" "destroy -rRf $fs")
93
94typeset badparams=("" "create" "destroy" "snapshot" "rollback" "clone" \
95    "promote" "rename" "list -*" "set" "get -*" "inherit" "mount -A" \
96    "unmount" "share" "unshare" "send" "receive")
97
98if is_linux; then
99	ulimit -c unlimited
100	echo "$corefile" >/proc/sys/kernel/core_pattern
101	echo 0 >/proc/sys/kernel/core_uses_pid
102	export ASAN_OPTIONS="abort_on_error=1:disable_coredump=0"
103elif is_freebsd; then
104	ulimit -c unlimited
105	savedcorefile=$(sysctl -n kern.corefile)
106	log_must sysctl kern.corefile=$corepath/core.%N
107else
108	log_must coreadm -p ${corepath}/core.%f
109fi
110
111log_must export ZFS_ABORT=yes
112
113for subcmd in "${cmds[@]}" "${badparams[@]}"; do
114	zfs $subcmd >/dev/null 2>&1 && log_fail "$subcmd passed incorrectly."
115	if [[ ! -e $corefile ]]; then
116		log_fail "zfs $subcmd cannot generate core file with " \
117		    "ZFS_ABORT set."
118	fi
119	log_must rm -f $corefile
120done
121
122log_pass "With ZFS_ABORT set, zfs command can abort and generate core file " \
123    "as expected."
124