2 # Copyright (c) 2016 Dell EMC Isilon
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions, and the following disclaimer,
10 # without modification.
11 # 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 # substantially similar to the "NO WARRANTY" disclaimer below
13 # ("Disclaimer") and any redistribution must be conditioned upon
14 # including a substantially similar Disclaimer requirement for further
15 # binary redistribution.
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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32 atf_test_case coredump_phnum cleanup
35 atf_set "allow_sysctl_side_effects" "1"
36 atf_set "descr" "More than 65534 segments"
37 atf_set "require.progs" "readelf procstat"
38 atf_set "require.user" "root"
43 cat > coredump_phnum_restore_state.sh <<-EOF
45 ulimit -c '$(ulimit -c)'
46 sysctl kern.coredump=$(sysctl -n kern.coredump)
47 sysctl kern.corefile='$(sysctl -n kern.corefile)'
49 chmod +x coredump_phnum_restore_state.sh
52 sysctl kern.coredump=1
53 sysctl kern.corefile="$(pwd)/coredump_phnum_helper.core"
55 atf_check -s signal:sigabrt "$(atf_get_srcdir)/coredump_phnum_helper"
57 # Check that core looks good
58 if [ ! -f coredump_phnum_helper.core ]; then
59 atf_fail "Helper program did not dump core"
62 # These magic numbers don't have any real significance. They are just
63 # the result of running the helper program and dumping core. The only
64 # important bit is that they're larger than 65535 (UINT16_MAX).
65 readelf -h coredump_phnum_helper.core | \
66 atf_check -o "match:65535 \(66169\)" \
67 grep "Number of program headers:"
68 readelf -l coredump_phnum_helper.core | \
69 atf_check -o "match:There are 66169 program headers" \
70 grep -1 "program headers"
71 readelf -S coredump_phnum_helper.core | \
72 atf_check -o "match: 0000000000000001 .* 66169 " \
75 procstat -v coredump_phnum_helper.core | \
76 atf_check -o "match:66545" wc -l
78 coredump_phnum_cleanup()
80 rm -f coredump_phnum_helper.core
81 if [ -x coredump_phnum_restore_state.sh ]; then
82 ./coredump_phnum_restore_state.sh
84 rm -f coredump_phnum_restore_state.sh
89 atf_add_test_case coredump_phnum