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Report information
Id: 123495
Status: resolved
Priority: 0/
Queue: perl5

Owner: Nobody
Requestors: andreas.guldstrand [at] gmail.com
Cc:
AdminCc:

Operating System: Linux
PatchStatus: (no value)
Severity: medium
Type: core
Perl Version: 5.20.1
Fixed In: 5.22.0



From: Andreas Guldstrand <andreas.guldstrand [...] gmail.com>
To: perlbug [...] perl.org
Subject: gmtime("NaN") in scalar or void context causes a segmentation fault on all perls since 5.12
Date: Thu, 25 Dec 2014 10:17:03 +0100
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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 [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:~$ [Please do not change anything below this line] ----------------------------------------------------------------- --- 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
RT-Send-CC: perl5-porters [...] perl.org
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On Thu Dec 25 01:17:30 2014, andreas.guldstrand@gmail.com wrote: Show quoted text
> 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 d8bd3d828a. -- Father Chrysostomos
Subject: Your ticket against Perl 5 has been resolved
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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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