[Israel.pm] segmentation fault in regex
Yossi.Itzkovich at ecitele.com
Yossi.Itzkovich at ecitele.com
Sun Mar 12 09:44:28 PST 2006
I agree that a core dump is a good solution, but in this case there was no
core file generated. I don't know why.
Yossi
Mikhael Goikhman
<migo at homemail.co
m> To
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Re: [Israel.pm] segmentation fault
12/03/2006 18:18 in regex
Please respond to
Perl in Israel
<perl at perl.org.il
>
On 12 Mar 2006 16:22:23 +0200, Shlomi Fish wrote:
>
> I see. Is there anything the perl core hackers can do to prevent perl
from
> crashing if it ran out of stack?
Theoretically they may trap SIGSEGV (this is the signal thrown here,
that is "Invalid memory reference", not necessarily stack related).
But I can't immediatelly say whether it may work in this specific case;
at least I can't trap it in a perl script that ran out of stack.
There is a possibility that perl indeed has bugs that lead to quick stack
overflow, in which case you (and the developers) do want core dumped to
debug the problem.
Regards,
Mikhael.
--
perl -e 'print+chr(64+hex)for+split//,d9b815c07f9b8d1e'
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