# New Ticket Created by Danijel Tasov # Please include the string: [perl #132638] # in the subject line of all future correspondence about this issue. # <URL: https://rt.perl.org/Ticket/Display.html?id=132638 > This is a bug report for perl from data@cpan.org, generated with the help of perlbug 1.40 running under perl 5.26.1. ----------------------------------------------------------------- [Please describe your issue here] Hi, i've run accross a segmentation fault with the following script: package Clock; use 5.010; use strict; use overload '+' => \&add_time, '-' => \&sub_time, 'eq' => \&equals_to, '""' => \&to_string; sub equals_to{ $_[0] eq $_[1] } sub to_string { sprintf '%02d:%02d', $_[0][0] // 0, $_[0][1] // 0; } sub new { bless( $_[1], $_[0] ); } package main; Clock->new([8,0]) eq "08:00" __END__ The SIGSEGV goes away when I change equals_to to: sub equals_to{ $_[0]->to_string eq $_[1] } bye, Danijel [Please do not change anything below this line] ----------------------------------------------------------------- --- Flags: category=core severity=low --- Site configuration information for perl 5.26.1: Configured by danielt at Thu Dec 21 07:13:42 CET 2017. Summary of my perl5 (revision 5 version 26 subversion 1) configuration: Platform: osname=linux osvers=4.9.57 archname=x86_64-linux uname='linux banjo.rbfh.de 4.9.57 #1 smp sat oct 21 15:46:05 cest 2017 x86_64 gnulinux ' config_args='-de -Dprefix=/opt/perl/perls/perl-5.26.1 -Aeval:scriptdir=/opt/perl/perls/perl-5.26.1/bin' hint=recommended useposix=true d_sigaction=define useithreads=undef usemultiplicity=undef use64bitint=define use64bitall=define uselongdouble=undef usemymalloc=n default_inc_excludes_dot=define 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 -D_FORTIFY_SOURCE=2' optimize='-O2' cppflags='-fwrapv -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include' ccversion='' gccversion='4.7.2' gccosandvers='' intsize=4 longsize=8 ptrsize=8 doublesize=8 byteorder=12345678 doublekind=3 d_longlong=define longlongsize=8 d_longdbl=define longdblsize=16 longdblkind=3 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/lib/gcc/x86_64-linux-gnu/4.7/include-fixed /usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib libs=-lpthread -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc libc= so=so useshrplib=false libperl=libperl.a gnulibc_version='2.13' 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 5.26.1: /opt/perl/perls/perl-5.26.1/lib/site_perl/5.26.1/x86_64-linux /opt/perl/perls/perl-5.26.1/lib/site_perl/5.26.1 /opt/perl/perls/perl-5.26.1/lib/5.26.1/x86_64-linux /opt/perl/perls/perl-5.26.1/lib/5.26.1 --- Environment for perl 5.26.1: HOME=/home/danielt LANG=C LANGUAGE=C LC_CTYPE=de_DE.UTF-8 LD_LIBRARY_PATH (unset) LOGDIR (unset) PATH=/opt/perl/bin:/opt/perl/perls/perl-5.26.1/bin:/usr/local/go/bin:/home/danielt/.nvm/v8.1.4/bin:/opt/python/2_007_008/bin:/opt/aperl/bin:/home/danielt/bin:/home/danielt/unix/bin:/usr/opt/bin:/usr/local/bin:/usr/local/sbin:/usr/X11R6/bin/xscreensaver-hacks/:/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/bin:/usr/X11R6/bin:/home/danielt/bin:/usr/pkg/bin:/usr/pkg/sbin:/home/danielt/.rvm/bin PERLBREW_BASHRC_VERSION=0.73 PERLBREW_HOME=/home/danielt/.perlbrew PERLBREW_MANPATH=/opt/perl/perls/perl-5.26.1/man PERLBREW_PATH=/opt/perl/bin:/opt/perl/perls/perl-5.26.1/bin PERLBREW_PERL=perl-5.26.1 PERLBREW_ROOT=/opt/perl PERLBREW_SHELLRC_VERSION=0.82 PERLBREW_VERSION=0.82 PERL_BADLANG (unset) PERL_CPANM_OPT=--skip-installed --prompt --mirror http://cpan.cpantesters.org SHELL=/bin/zshThread Previous | Thread Next