[ldns-users] Segfault bug in ldns 1.6.17

[Yuri Schaeffer]

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Hi Calle,

> Changing it so that ldns_pkt_free() is only called if stat is
> LDNS_STATUS_OK seems to fix the problem. At least my code doesn't
> segfault any more if I do that.

Thank you for your bug report. I've seen your suggested patch and you
are on the right track but I think it is not entirely correct. and the
real bug is 18 or so lines higher. Where the answer_pkt is freed but
not set to null.

Attached diff.

Regards,
Yuri
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