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gmtime("NaN") in scalar or void context causes a segmentation fault on all perls since 5.12 #14365

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p5pRT opened this issue Dec 25, 2014 · 6 comments

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commented Dec 25, 2014

Migrated from rt.perl.org#123495 (status was 'resolved')

Searchable as RT123495$

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commented Dec 25, 2014

From andreas.guldstrand@gmail.com

Created by andreas.guldstrand@gmail.com

Running gmtime("NaN"); in void or scalar context causes a segmentation fault

  [0]suppy@​luna​:~$ perl -e'gmtime("NaN")'
  Segmentation fault
  [139]suppy@​luna​:~$ perl -e'$foo = gmtime("NaN")'
  Segmentation fault
  [139]suppy@​luna​:~$ perl -e'@​foo = gmtime("NaN")'
  [0]suppy@​luna​:~$

This appears to happen on all released perls since 5.12 (inclusive)​:

  [0]suppy@​luna​:~$ for perl in ~/perl5/perlbrew/perls/perl-*/bin/perl;
do $perl -v | grep "This is perl"; $perl -e'gmtime("NaN")'; echo "^ -
$? #########"; done
  This is perl, v5.10.0 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.10.1 (*) built for x86_64-linux
  ^ - 0 #########
  This is perl 5, version 12, subversion 0 (v5.12.0) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 12, subversion 1 (v5.12.1) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 12, subversion 2 (v5.12.2) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 12, subversion 3 (v5.12.3) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 12, subversion 4 (v5.12.4) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 12, subversion 5 (v5.12.5) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 14, subversion 0 (v5.14.0) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 14, subversion 1 (v5.14.1) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 14, subversion 2 (v5.14.2) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 14, subversion 3 (v5.14.3) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 14, subversion 4 (v5.14.4) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 16, subversion 0 (v5.16.0) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 16, subversion 1 (v5.16.1) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 16, subversion 2 (v5.16.2) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 16, subversion 3 (v5.16.3) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 18, subversion 0 (v5.18.0) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 18, subversion 1 (v5.18.1) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 18, subversion 2 (v5.18.2) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 18, subversion 3 (v5.18.3) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 18, subversion 4 (v5.18.4) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 20, subversion 0 (v5.20.0) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl 5, version 20, subversion 1 (v5.20.1) built for x86_64-linux
  Segmentation fault
  ^ - 139 #########
  This is perl, v5.6.0 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.6.1 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.6.2 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.0 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.1 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.2 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.3 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.4 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.5 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.6 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.7 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.8 built for x86_64-linux
  ^ - 0 #########
  This is perl, v5.8.9 built for x86_64-linux
  ^ - 0 #########
  [0]suppy@​luna​:~$

Perl Info

Flags:
    category=core
    severity=medium

Site configuration information for perl 5.20.1:

Configured by suppy at Sat Dec 20 16:42:13 CET 2014.

Summary of my perl5 (revision 5 version 20 subversion 1) configuration:

  Platform:
    osname=linux, osvers=3.10.17, archname=x86_64-linux
    uname='linux luna 3.10.17 #2 smp fri feb 14 16:45:28 cst 2014
x86_64 intel(r) core(tm) i5-2450m cpu @ 2.50ghz genuineintel gnulinux
'
    config_args='-de
-Dprefix=/home/suppy/perl5/perlbrew/perls/perl-5.20.1
-Aeval:scriptdir=/home/suppy/perl5/perlbrew/perls/perl-5.20.1/bin'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=undef, usemultiplicity=undef
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-fwrapv -fno-strict-aliasing -pipe
-fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64',
    optimize='-O2',
    cppflags='-fwrapv -fno-strict-aliasing -pipe -fstack-protector
-I/usr/local/include'
    ccversion='', gccversion='4.8.2', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t',
lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
    libpth=/usr/local/lib
/usr/lib64/gcc/x86_64-slackware-linux/4.8.2/include-fixed /usr/lib
/lib/../lib64 /usr/lib/../lib64 /lib /lib64 /usr/lib64
/usr/local/lib64
    libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
    libc=libc-2.17.so, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.17'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib
-fstack-protector'



@INC for perl 5.20.1:
    /home/suppy/perl5/perlbrew/perls/perl-5.20.1/lib/site_perl/5.20.1/x86_64-linux
    /home/suppy/perl5/perlbrew/perls/perl-5.20.1/lib/site_perl/5.20.1
    /home/suppy/perl5/perlbrew/perls/perl-5.20.1/lib/5.20.1/x86_64-linux
    /home/suppy/perl5/perlbrew/perls/perl-5.20.1/lib/5.20.1
    .


Environment for perl 5.20.1:
    HOME=/home/suppy
    LANG=en_GB.UTF-8
    LANGUAGE (unset)
    LC_ALL=en_GB.UTF-8
    LC_COLLATE=C
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/suppy/perl5/perlbrew/bin:/home/suppy/perl5/perlbrew/perls/perl-5.20.1/bin:/home/suppy/.commands/:/usr/local/bin:/usr/bin:/bin:/usr/games:/usr/lib64/kde4/libexec:/usr/lib64/qt/bin:/usr/share/texmf/bin
    PERLBREW_BASHRC_VERSION=0.64
    PERLBREW_HOME=/home/suppy/.perlbrew
    PERLBREW_MANPATH=/home/suppy/perl5/perlbrew/perls/perl-5.20.1/man
    PERLBREW_PATH=/home/suppy/perl5/perlbrew/bin:/home/suppy/perl5/perlbrew/perls/perl-5.20.1/bin
    PERLBREW_PERL=perl-5.20.1
    PERLBREW_ROOT=/home/suppy/perl5/perlbrew
    PERLBREW_VERSION=0.64
    PERL_BADLANG (unset)
    SHELL=/bin/bash

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commented Dec 25, 2014

From @cpansprout

On Thu Dec 25 01​:17​:30 2014, andreas.guldstrand@​gmail.com wrote​:

This is a bug report for perl from andreas.guldstrand@​gmail.com,
generated with the help of perlbug 1.40 running under perl 5.20.1.

-----------------------------------------------------------------
[Please describe your issue here]

Running gmtime("NaN"); in void or scalar context causes a segmentation
fault

I have fixed this in d8bd3d8.

--

Father Chrysostomos

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commented Dec 25, 2014

The RT System itself - Status changed from 'new' to 'open'

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commented Dec 25, 2014

@cpansprout - Status changed from 'open' to 'pending release'

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commented Jun 2, 2015

From @khwilliamson

Thanks for submitting this ticket

The issue should be resolved with the release today of Perl v5.22, available at http​://www.perl.org/get.html
If you find that the problem persists, feel free to reopen this ticket

--
Karl Williamson for the Perl 5 porters team

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commented Jun 2, 2015

@khwilliamson - Status changed from 'pending release' to 'resolved'

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