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Postings from March 2006
Adam Kennedy <cpan@ali.as> wrote:
:And for those of you playing at home, the trick of mucking around with
:the symbol table by replacing entire *things, instead of just your
:$thing, or &thing, is a good way of getting past ALL SORTS of nasty
:error checking.
:
:Like replacing the subroutine you are currently in, while you are
:running it :)
This gives a SEGV at least from v5.8.1 to v5.8.3:
perl -e 'sub b { my $a; *b=\&c; c() } sub c { die } b()'
(My work code still has a comment to that effect ...)
Hugo
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