> Thank you for your input so far. All the alternatives seem to work-around the
> issue but not fulfill our needs.
>
> We have debugged a little using `gdb`. We noticed that the value of
> `msg->rcv->bind_address->address_str` is correct before calling `do_action`.
> Afterwards, it is wrong.
>
> Before:
>
> ```
> s = "172.20.21.3"
> len = 11
> ```
>
> After:
>
> ```
> s = "217.116.120.247"
> len = 11 (sic!)
> ```
>
> We took a closer look (step by step) and the problem seems to be using
> `ip_addr2a`. It returns a pointer to a local static `char[]`. This is
> assigned to the original struct of `address_str` inside of
> `parsing_hepv3_message`.
>
> Later, when `ip_addr2a` is called again for xlog, then the same address is
> used again and hence the value of `address_str.s` is overwriten.
>
> A quick look at the git history for the functions did not show any relevant
> changes to my untrained eyes.
>
> As the jump from 5.1/5.4 (debian jessie) to 5.5/5.8 (debian bookworm) is kind
> of huge, maybe this is related to changes in the compiler?
ok, it can be related to the struct pack, need to check it the union works
correct. What is the compiler ?
https://github.com/kamailio/kamailio/blob/master/src/core/ip_addr.h#L74-L80
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