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Fixed

LIN5-18951 : CLONE - pfkey UPDATE failed: Interrupted system call

Created: Jun 20, 2014    Updated: Dec 19, 2017
Resolved Date: Jun 20, 2014
Previous ID: LIN4-31523
Found In Version: 5.0.1
Fix Version: 5.0.1.16
Severity: Standard
Applicable for: Wind River Linux 5
Component/s: Userspace

Description

We are observing a pfkey update failure issue with racoon.

The setup has a WRL target and a Cisco router. The router has auto initiate enabled.

An IPSec tunnel is established between the target and the router. After the target is rebooted the router tries to re-establish the tunnel. On the target side, phase 1 is getting established and inbound SAD is seen. On the router side we can see both inbound and outbound SADs, then on the target side (when racoon is sending SADBADD message to add SAD entry in the kernel), kernel is responding with interrupted signal.

The syslog shows:
Apr  2 13:29:10.200524 info CLA-1 racoon: 2014-04-02 13:29:10: ERROR: pfkey UPDATE failed: Interrupted system call

Workaround

If we flush the tunnels the on both ends and allow the router to initiate IPSec tunnel again the connection is established without any issue.

Steps to Reproduce

see attached

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