[Swan] Libreswan 3.27 segfault

[csszep]

Hi!

I have a longstanding problem w libreswan. See github issue #169

Can anyone help identify the problem?

The crash happened daily (SA delete? rekey?), and after 4-5 crashes it
works again.

The last few messages, before every  crash:


2018-11-28T10:43:15+01:00 firewall1 pluto[16834]: "customer2" #701:
received Delete SA(0xb6ca75dc) payload: deleting IPSEC State #702
2018-11-28T10:43:15+01:00 firewall1 pluto[16834]: "customer2" #702:
deleting other state #702 (STATE_QUICK_R2) and sending notification
2018-11-28T10:43:15+01:00 firewall1 pluto[16834]: "customer2" #702: ESP
traffic information: in=1MB out=248KB
2018-11-28T10:43:15+01:00 firewall1 pluto[16834]: "customer2 #701: deleting
state (STATE_MAIN_R3) and sending notification
2018-11-28T10:40:23+01:00 firewall1 kernel: traps: pluto[16834] general
protection ip:7f71e05e212b sp:7ffcd12c9180 error:0 in
pluto[7f71e0587000+154000]

The connection "customer2" is not the same in every crash, but maybe? all
connections that causes the crash come from F5/BIG-IP peer....

Thx csszep
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