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Postings from June 2019
On Wed, 05 Jun 2019 10:39:48 GMT, hv wrote:
> On Mon, 03 Jun 2019 21:15:59 -0700, hv wrote:
> > On Mon, 03 Jun 2019 19:22:56 -0700, jkeenan wrote:
> > > #13 0x00000000004f4788 in Perl_vcroak (my_perl=0x801e22000,
> > > pat=0x801f56838 "\030 �\001\b", args=0x7fffffffe680) at util.c:1711
> > > #14 0x00000000004f1b27 in Perl_croak_nocontext (pat=<value
> > > optimized
> > > out> ) at util.c:1745
> > > #15 0x000000000044c57e in Perl_sys_term () at perl.c:146
> > > #16 0x0000000000421472 in main (argc=<value optimized out>,
> > > argv=<value optimized out>, env=0x7fffffffe770)
> > > at perlmain.c:155
> >
> > We're in sys_term, so most of the interpreter has already been wiped
> > out, but we're then calling croak(), which relies on the
> > interpreter's
> > infrastructure.
> [...]
> > I'll try harder to reproduce it: I'd need some interactive gdb work
> > to
> > diagnose it.
>
> I still cannot reproduce here. Please could you try getting another
> stacktrace with the attached patch applied, to narrow down which bit
> of Perl_sys_term() we're in?
>
> To help with subsequent tests, it would also be useful to narrow down
> the testcase. Please check if any of these reproduce the SEGV:
> ./perl -e 'my $x = sprintf("%7000000000E", 0)'
> ./perl -e 'eval { my $x = sprintf("%7000000000E", 0) }; print
> "ok\n"'
> the attached sprintf2-short.t, with all but the new test removed
>
(The previously reported backtrace was from a version of t/op/sprintf2.t with all tests but the final one commented out.)
See attachment, hugo-results-20190605.txt.
--
James E Keenan (jkeenan@cpan.org)
---
via perlbug: queue: perl5 status: open
https://rt.perl.org/Ticket/Display.html?id=134172
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