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List: freeradius-users
Subject: segfault in 2.2.5 comparing Client-IP-Address
From: Harald Terkelsen <Harald.Terkelsen () hioa ! no>
Date: 2014-06-27 8:04:50
Message-ID: 53AD25A2.8020706 () hioa ! no
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Hi,
When we changed a check from "if (<some other checks> || NAS-IP-Address
== xxx.xxx.xxx.xxx)" to "if (<some other checks> || Client-IP-Address ==
xxx.xxx.xxx.xxx)", Freeradius 2.2.5 segfaults.
gdb:
? Evaluating (NAS-IP-Address == xxx.xxx.xxx.xxx ) -> FALSE
expand: %{Client-IP-Address} ->
Program received signal SIGSEGV, Segmentation fault.
paircmp (one=0x7ffff8454760, two=0x0) at valuepair.c:2036
2036 compare = ntohl(two->vp_ipaddr) - ntohl(one->vp_ipaddr);
It looks like the segfault happens when Freeradius receives a request
from a NAS using IPv6. We did not see the segfault when the
Client-IP-Address was an IPv4 address in the tests we did.
Same problem with Packet-Src-IP-Address.
Regards,
Harald Terkelsen
Oslo and Akershus University College of Applied Sciences
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