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Report information
Id: 133121
Status: resolved
Priority: 0/
Queue: perl5

Owner: Nobody
Requestors: randir <sergey.aleynikov [at] gmail.com>
Cc:
AdminCc:

Operating System: (no value)
PatchStatus: (no value)
Severity: medium
Type: core
Perl Version: 5.27.9
Fixed In: (no value)



To: perlbug [...] perl.org
Date: Thu, 19 Apr 2018 03:56:05 +0300
From: Sergey Aleynikov <sergey.aleynikov [...] gmail.com>
Subject: [PATCH] fix crash in gv_fetchmeth_sv
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This is a bug report for perl from sergey.aleynikov@gmail.com, generated with the help of perlbug 1.41 running under perl 5.27.9. ----------------------------------------------------------------- [Please describe your issue here] gv_fetchmeth_sv could crash when trying to resolve a non-existent method through inheritance chain. Attached patch fixes this and adds a test for this case. [Please do not change anything below this line] ----------------------------------------------------------------- --- Flags: category=core severity=medium --- Site configuration information for perl 5.27.9: Configured by dur-randir at Wed Jan 31 10:14:37 MSK 2018. Summary of my perl5 (revision 5 version 27 subversion 9) configuration: Commit id: 577d3e04be845580196418dd9df1575e2cb4c0b6 Platform: osname=darwin osvers=13.4.0 archname=darwin-2level uname='darwin isengard.local 13.4.0 darwin kernel version 13.4.0: mon jan 11 18:17:34 pst 2016; root:xnu-2422.115.15~1release_x86_64 x86_64 ' config_args='-de -Dusedevel' 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 ='-fno-common -DPERL_DARWIN -mmacosx-version-min=10.9 -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -DPERL_USE_SAFE_PUTENV' optimize='-O3' cppflags='-fno-common -DPERL_DARWIN -mmacosx-version-min=10.9 -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include' ccversion='' gccversion='4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.56)' 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 =' -mmacosx-version-min=10.9 -fstack-protector -L/usr/local/lib' libpth=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/6.0/lib /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk/usr/lib /usr/local/lib /usr/lib libs=-lpthread -lgdbm -ldbm -ldl -lm -lutil -lc perllibs=-lpthread -ldl -lm -lutil -lc libc= so=dylib useshrplib=false libperl=libperl.a gnulibc_version='' Dynamic Linking: dlsrc=dl_dlopen.xs dlext=bundle d_dlsymun=undef ccdlflags=' ' cccdlflags=' ' lddlflags=' -mmacosx-version-min=10.9 -bundle -undefined dynamic_lookup -L/usr/local/lib -fstack-protector' --- @INC for perl 5.27.9: lib /usr/local/lib/perl5/site_perl/5.27.9/darwin-2level /usr/local/lib/perl5/site_perl/5.27.9 /usr/local/lib/perl5/5.27.9/darwin-2level /usr/local/lib/perl5/5.27.9 --- Environment for perl 5.27.9: DYLD_LIBRARY_PATH (unset) HOME=/Users/dur-randir LANG=en_US.UTF-8 LANGUAGE (unset) LD_LIBRARY_PATH (unset) LOGDIR (unset) PATH=/Users/dur-randir/perlbrew/bin:/Users/dur-randir/perlbrew/perls/perl-5.22.1/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/texbin PERLBREW_BASHRC_VERSION=0.80 PERLBREW_HOME=/Users/dur-randir/.perlbrew PERLBREW_MANPATH=/Users/dur-randir/perlbrew/perls/perl-5.22.1/man PERLBREW_PATH=/Users/dur-randir/perlbrew/bin:/Users/dur-randir/perlbrew/perls/perl-5.22.1/bin PERLBREW_PERL=perl-5.22.1 PERLBREW_ROOT=/Users/dur-randir/perlbrew PERLBREW_VERSION=0.80 PERL_BADLANG (unset) SHELL=/usr/local/bin/zsh

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RT-Send-CC: perl5-porters [...] perl.org
Thanks, pushed as 202cd98a669eb31ef52b1f7443dbff2683933480 -- Karl Williamson
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Thank you for filing this report. You have helped make Perl better. With the release yesterday of Perl 5.28.0, this and 185 other issues have been resolved. Perl 5.28.0 may be downloaded via: https://metacpan.org/release/XSAWYERX/perl-5.28.0 If you find that the problem persists, feel free to reopen this ticket.


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