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NULL pointer deference in Perl_sv_setpv_bufsize #16727
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From zzw20124321@gmail.comNULL pointer deference in Perl_sv_setpv_bufsize ./perl -v This is perl 5, version 29, subversion 3 (v5.29.3) built for x86_64-linux Copyright 1987-2018, Larry Wall Perl may be copied only under the terms of either the Artistic License or Complete documentation for Perl, including FAQ lists, should be found on compile with -fsanitize=address ./perl null_pointer.pl
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From @jkeenanOn Fri, 19 Oct 2018 05:19:47 GMT, zzw20124321@gmail.com wrote:
It so happens that just this week we introducted into blead -- our main development branch -- the commit which fatalizes use of $*. ##### Fatalize use of So now you won't get the segfault (preceded by a deprecation warning) when you run that program; you'll get an exception instead. ##### $ bleadperl -e '$* ^= *: = ** = *^= *: = ** = *^= *: = ** = *:' Thank you very much. -- |
The RT System itself - Status changed from 'new' to 'open' |
From @xenuOn Fri, 19 Oct 2018 18:07:10 -0700
If you replace
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From @jkeenanOn 10/19/2018 09:27 PM, Tomasz Konojacki wrote:
So, is this a general problem with the punctuation variables? |
From @tonycozOn Fri, Oct 19, 2018 at 10:29:23PM -0400, James E Keenan wrote:
No, it's the stack-not-refcounted bug. Tony |
From geeknik@protonmail.chThis looks like a duplicate of 130224. On Fri, 19 Oct 2018 22:22:59 -0700, tonyc wrote:
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hello would this open a cve? |
No, it's a bug, but not a security issue. |
Migrated from rt.perl.org#133599 (status was 'open')
Searchable as RT133599$
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