[Kea-users] boost: Assertion `px != 0' failed.

[Darren Ankney]

Hi Jonas,

You may want to read this article about how to report crashes to the
development team: https://kb.isc.org/docs/aa-00340 it should provide
all of the necessary details about what needs to be collected and what
to do with it.

Thank you,
Darren Ankney

On Mon, Jan 13, 2025 at 2:45 PM Jonas Alfredsson via Kea-users
<kea-users at lists.isc.org> wrote:
>
> Thank you for the reply,
>
> Kea 2.7.5 is the latest release, and I am slowly iterating backwards to see where I can recreate this issue.
>
> So far the bug is present in >=2.7.1, but the stable 2.6.1 release has been up and running for the last hour without crashing.
>
> I am not a c developer, so I would really like to learn how Kea can be configured to provide all the information necessary. The log is "normal" up until just this last line, and no stacktrace beyond this.
>
> Best regards,
> Jonas
>
> -------- Original Message --------
> On 2025-01-13 20:26, Francis Dupont <fdupont at isc.org> wrote:
>
> >  Jonas Alfredsson via Kea-users writes:
> >  > kea-dhcp4: /usr/include/boost/smart_ptr/shared_ptr.hpp:728: typename boost::detail::sp_member_access<T>::type boost::shared_ptr<T>::operator->() const [with T = const isc::dhcp::Subnet4; typename boost::detail::sp_member_access<T>::type = const isc::dhcp::Subnet4*]: Assertion `px != 0' failed.
> >
> >  => this means a null shared pointer was dereferenced. Without the stack
> >  it is nearly useless. Check your Kea version in the case the bug was
> >  already fixed...
> >
> >  Regards
> >
> >  Francis Dupont <fdupont at isc.org>
> >
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