Found the root cause, it is because of
/* confirm that ICMP is available on this machine */
> if ((proto = getprotobyname("ipv6-icmp")) == NULL)
> crash_and_burn("icmp: unknown protocol");
>
if "ipv6-icmp" is not in the /etc/protocols it will segfault.
Am Donnerstag, 11. Juli 2019 16:04:23 UTC+2 schrieb agossi:
>
> Hi all,
>
> has someone faced fping6 (3.16) or fping (4.21) crashes when IPv6 shall be
> used?
> IPv4 works well on version 3.16 and on 4.21 only if configured with
> disabled IPv6.
>
> Are there special dependencies which will make the cross compiled IPv6
> executable crash?
> What libraries are least needed for correct execution?
>
>
> Many thanks in advance
>
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