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110 lines
3.7 KiB
Bash
110 lines
3.7 KiB
Bash
#
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# Copyright (c) 2016 Dell EMC Isilon
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions, and the following disclaimer,
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# without modification.
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# 2. Redistributions in binary form must reproduce at minimum a disclaimer
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# substantially similar to the "NO WARRANTY" disclaimer below
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# ("Disclaimer") and any redistribution must be conditioned upon
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# including a substantially similar Disclaimer requirement for further
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# binary redistribution.
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#
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# NO WARRANTY
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGES.
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#
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atf_test_case coredump_phnum cleanup
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coredump_phnum_head()
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{
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atf_set "descr" "More than 65534 segments"
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atf_set "require.config" "allow_sysctl_side_effects"
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atf_set "require.progs" "readelf procstat"
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atf_set "require.user" "root"
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}
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coredump_phnum_body()
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{
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# Set up core dumping
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atf_check -o save:coredump_phnum_restore_state sysctl -e \
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kern.coredump kern.corefile
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ulimit -c unlimited
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atf_check -o ignore sysctl kern.coredump=1
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atf_check -o ignore sysctl kern.corefile=coredump_phnum_helper.core
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atf_check -o save:cuc sysctl -n kern.compress_user_cores
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read cuc < cuc
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atf_check -s signal:sigabrt "$(atf_get_srcdir)/coredump_phnum_helper"
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case "$cuc" in
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0)
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unzip_status=0
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;;
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1)
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gunzip coredump_phnum_helper.core.gz 2>unzip_stderr
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unzip_status=$?
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;;
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2)
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zstd -qd coredump_phnum_helper.core.zst 2>unzip_stderr
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unzip_status=$?
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;;
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*)
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atf_skip "unsupported kern.compress_user_cores=$cuc"
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;;
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esac
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if [ $unzip_status -ne 0 ]; then
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if grep -q 'No space left on device' unzip_stderr; then
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atf_skip "file system full: $(df $PWD | tail -n 1)"
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fi
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atf_fail "unzip failed; status ${unzip_status}; " \
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"stderr: $(cat unzip_stderr)"
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fi
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# Check that core looks good
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if [ ! -f coredump_phnum_helper.core ]; then
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atf_fail "Helper program did not dump core"
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fi
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# These magic numbers don't have any real significance. They are just
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# the result of running the helper program and dumping core. The only
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# important bit is that they're larger than 65535 (UINT16_MAX).
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atf_check -o "match:65535 \(66[0-9]{3}\)" \
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-x 'readelf -h coredump_phnum_helper.core | grep "Number of program headers:"'
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atf_check -o "match:There are 66[0-9]{3} program headers" \
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-x 'readelf -l coredump_phnum_helper.core | grep -1 "program headers"'
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atf_check -o "match: 00000(0000000000)?1 .* 66[0-9]{3} " \
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-x 'readelf -S coredump_phnum_helper.core | grep -A1 "^ \[ 0\] "'
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atf_check -o "match:66[0-9]{3}" \
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-x 'procstat -v coredump_phnum_helper.core | wc -l'
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}
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coredump_phnum_cleanup()
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{
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rm -f coredump_phnum_helper.core
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if [ -f coredump_phnum_restore_state ]; then
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sysctl -f coredump_phnum_restore_state
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rm -f coredump_phnum_restore_state
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fi
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rm -f cuc
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}
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atf_init_test_cases()
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{
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atf_add_test_case coredump_phnum
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}
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