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#
# Copyright (c) 2016 Dell EMC Isilon
# 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,
# without modification.
# 2. Redistributions in binary form must reproduce at minimum a disclaimer
# substantially similar to the "NO WARRANTY" disclaimer below
# ("Disclaimer") and any redistribution must be conditioned upon
# including a substantially similar Disclaimer requirement for further
# binary redistribution.
#
# NO WARRANTY
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
#
# $FreeBSD$
atf_test_case coredump_phnum cleanup
coredump_phnum_head()
{
atf_set "descr" "More than 65534 segments"
atf_set "require.config" "allow_sysctl_side_effects"
atf_set "require.progs" "readelf procstat"
atf_set "require.user" "root"
}
coredump_phnum_body()
{
# Set up core dumping
atf_check -o save:coredump_phnum_restore_state sysctl -e \
kern.coredump kern.corefile
ulimit -c unlimited
atf_check -o ignore sysctl kern.coredump=1
atf_check -o ignore sysctl kern.corefile=coredump_phnum_helper.core
atf_check -o save:cuc sysctl -n kern.compress_user_cores
read cuc < cuc
atf_check -s signal:sigabrt "$(atf_get_srcdir)/coredump_phnum_helper"
case "$cuc" in
0)
unzip_status=0
;;
1)
gunzip coredump_phnum_helper.core.gz 2>unzip_stderr
unzip_status=$?
;;
2)
zstd -qd coredump_phnum_helper.core.zst 2>unzip_stderr
unzip_status=$?
;;
*)
atf_skip "unsupported kern.compress_user_cores=$cuc"
;;
esac
if [ $unzip_status -ne 0 ]; then
if grep -q 'No space left on device' unzip_stderr; then
atf_skip "file system full: $(df $PWD | tail -n 1)"
fi
atf_fail "unzip failed; status ${unzip_status}; " \
"stderr: $(cat unzip_stderr)"
fi
# Check that core looks good
if [ ! -f coredump_phnum_helper.core ]; then
atf_fail "Helper program did not dump core"
fi
# These magic numbers don't have any real significance. They are just
# the result of running the helper program and dumping core. The only
# important bit is that they're larger than 65535 (UINT16_MAX).
atf_check -o "match:65535 \(66[0-9]{3}\)" \
-x 'readelf -h coredump_phnum_helper.core | grep "Number of program headers:"'
atf_check -o "match:There are 66[0-9]{3} program headers" \
-x 'readelf -l coredump_phnum_helper.core | grep -1 "program headers"'
atf_check -o "match: 00000(0000000000)?1 .* 66[0-9]{3} " \
-x 'readelf -S coredump_phnum_helper.core | grep -A1 "^ \[ 0\] "'
atf_check -o "match:66[0-9]{3}" \
-x 'procstat -v coredump_phnum_helper.core | wc -l'
}
coredump_phnum_cleanup()
{
rm -f coredump_phnum_helper.core
if [ -f coredump_phnum_restore_state ]; then
sysctl -f coredump_phnum_restore_state
rm -f coredump_phnum_restore_state
fi
rm -f cuc
}
atf_init_test_cases()
{
atf_add_test_case coredump_phnum
}
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