summary: Test for bz531576 ([RHEL5] memusage cmd segfaults if run on a perl) description: | Bug summary: [RHEL5] memusage cmd segfaults if run on a perl script that has 'use' in it Bugzilla link: https://bugzilla.redhat.com/show_bug.cgi?id=531576 Description: Description of problem: memusage utility is part of glibc-devel memusage cmd segfaults if run on a perl script that has 'use' in it. Examples: [my_name@my_host ~]$ ./memusage --png=out.png -x 800 -y 300 ./perltest.pl This works (contents of perltest.pl): #!/usr/bin/perl -w print "my_name\n"; This segfaults: #!/usr/bin/perl -w use Net::SSH::Perl; print "my_name\n"; Version-Release number of selected component (if applicable): How reproducible: very Steps to Reproduce: 1.create perl script: #!/usr/bin/perl -w # perltest.pl use Net::SSH::Perl; print "my_name\n"; 2. run memusage on script: [my_name@my_host ~]$ ./memusage --png=out.png -x 800 -y 300 ./perltest.pl Actual results: my_name@my_host /tmp % memusage --png=out.png -x 800 -y 300 ./perltest.pl /usr/bin/memusage: line 253: 29483 Segmentation fault (core dumped) LD_PRELOAD=/usr/\$LIB/libmemusage.so MEMUSAGE_OUTPUT=/tmp/memusage.S29480 "$@" /usr/bin/memusage: line 265: 29484 Floating point exception(core dumped) $memusagestat $memusagestat_args "$datafile" "$png" Expected results: my_name@my_host /tmp % memusage --png=out.png -x 800 -y 300 ./perltest.pl my_name Memory usage summary: heap total: 278236, heap peak: 271027, stack peak: 10816 total calls total memory failed calls malloc| 684 277100 0 realloc| 14 1136 0 (nomove:6, dec:1, free:0) calloc| 0 0 0 free| 94 20735 Histogram for block sizes: 0-15 215 30% ================================================== 16-31 110 15% ========================= 32-47 36 5% ======== 48-63 110 15% ========================= 64-79 34 4% ======= 80-95 64 9% ============== 96-111 63 9% ============== 112-127 3 <1% 128-143 8 1% = 144-159 2 <1% 160-175 4 <1% 240-255 4 <1% 256-271 8 1% = 512-527 2 <1% 592-607 1 <1% 800-815 3 <1% 1024-1039 3 <1% 1568-1583 1 <1% 2400-2415 1 <1% 4032-4047 2 <1% 4048-4063 1 <1% 4064-4079 1 <1% 4080-4095 7 1% = 4096-4111 10 1% == 4224-4239 1 <1% 4368-4383 2 <1% 7904-7919 1 <1% large 1 <1% Additional info: I have no ulimit and yet there does not appear to be a core file. contact: Petr Muller component: - glibc test: ./runtest.sh framework: beakerlib recommend: - glibc - glibc-utils - python - python3 - gcc tag: - tier2_mfranc - ttt - noEWA - Tier2 - not-er15271 - glibc-buildroot-ready duration: 90m link: - relates: https://bugzilla.redhat.com/show_bug.cgi?id=531576 extra-summary: /tools/glibc/Regression/bz531576-memusage-cmd-segfaults-on-perl-scripts extra-task: /tools/glibc/Regression/bz531576-memusage-cmd-segfaults-on-perl-scripts