1# 2# Copyright (c) 2016 Dell EMC Isilon 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions 7# are met: 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. 16# 17# NO WARRANTY 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22# HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28# POSSIBILITY OF SUCH DAMAGES. 29# 30 31atf_test_case coredump_phnum cleanup 32coredump_phnum_head() 33{ 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" 38} 39coredump_phnum_body() 40{ 41 # Set up core dumping 42 atf_check -o save:coredump_phnum_restore_state sysctl -e \ 43 kern.coredump kern.corefile 44 45 ulimit -c unlimited 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 49 read cuc < cuc 50 51 atf_check -s signal:sigabrt "$(atf_get_srcdir)/coredump_phnum_helper" 52 53 case "$cuc" in 54 0) 55 unzip_status=0 56 ;; 57 1) 58 gunzip coredump_phnum_helper.core.gz 2>unzip_stderr 59 unzip_status=$? 60 ;; 61 2) 62 zstd -qd coredump_phnum_helper.core.zst 2>unzip_stderr 63 unzip_status=$? 64 ;; 65 *) 66 atf_skip "unsupported kern.compress_user_cores=$cuc" 67 ;; 68 esac 69 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)" 73 fi 74 atf_fail "unzip failed; status ${unzip_status}; " \ 75 "stderr: $(cat unzip_stderr)" 76 fi 77 78 # Check that core looks good 79 if [ ! -f coredump_phnum_helper.core ]; then 80 atf_fail "Helper program did not dump core" 81 fi 82 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 "^ \[ 0\] "' 92 93 atf_check -o "match:66[0-9]{3}" \ 94 -x 'procstat -v coredump_phnum_helper.core | wc -l' 95} 96coredump_phnum_cleanup() 97{ 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 102 fi 103 rm -f cuc 104} 105 106atf_init_test_cases() 107{ 108 atf_add_test_case coredump_phnum 109} 110