2 # Copyright (c) 2016 Dell EMC Isilon
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6 # modification, are permitted provided that the following conditions
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10 # without modification.
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14 # including a substantially similar Disclaimer requirement for further
15 # binary redistribution.
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31 atf_test_case coredump_phnum cleanup
34 atf_set "descr" "More than 65534 segments"
35 atf_set "require.config" "allow_sysctl_side_effects"
36 atf_set "require.progs" "readelf procstat"
37 atf_set "require.user" "root"
42 atf_check -o save:coredump_phnum_restore_state sysctl -e \
43 kern.coredump kern.corefile
46 atf_check -o ignore sysctl kern.coredump=1
47 atf_check -o ignore sysctl kern.corefile=coredump_phnum_helper.core
48 atf_check -o save:cuc sysctl -n kern.compress_user_cores
51 atf_check -s signal:sigabrt "$(atf_get_srcdir)/coredump_phnum_helper"
58 gunzip coredump_phnum_helper.core.gz 2>unzip_stderr
62 zstd -qd coredump_phnum_helper.core.zst 2>unzip_stderr
66 atf_skip "unsupported kern.compress_user_cores=$cuc"
70 if [ $unzip_status -ne 0 ]; then
71 if grep -q 'No space left on device' unzip_stderr; then
72 atf_skip "file system full: $(df $PWD | tail -n 1)"
74 atf_fail "unzip failed; status ${unzip_status}; " \
75 "stderr: $(cat unzip_stderr)"
78 # Check that core looks good
79 if [ ! -f coredump_phnum_helper.core ]; then
80 atf_fail "Helper program did not dump core"
83 # These magic numbers don't have any real significance. They are just
84 # the result of running the helper program and dumping core. The only
85 # important bit is that they're larger than 65535 (UINT16_MAX).
86 atf_check -o "match:65535 \(66[0-9]{3}\)" \
87 -x 'readelf -h coredump_phnum_helper.core | grep "Number of program headers:"'
88 atf_check -o "match:There are 66[0-9]{3} program headers" \
89 -x 'readelf -l coredump_phnum_helper.core | grep -1 "program headers"'
90 atf_check -o "match: 00000(0000000000)?1 .* 66[0-9]{3} " \
91 -x 'readelf -S coredump_phnum_helper.core | grep -A1 "^ \[ 0\] "'
93 atf_check -o "match:66[0-9]{3}" \
94 -x 'procstat -v coredump_phnum_helper.core | wc -l'
96 coredump_phnum_cleanup()
98 rm -f coredump_phnum_helper.core
99 if [ -f coredump_phnum_restore_state ]; then
100 sysctl -f coredump_phnum_restore_state
101 rm -f coredump_phnum_restore_state
106 atf_init_test_cases()
108 atf_add_test_case coredump_phnum