[Swan-dev] KLIPS crashes after kernel update

[Thomas Geulig]

Hi,

after upgrading from kernel 3.4.65 to 3.4.66 I experienced
crashes in the KLIPS function ipsec_xmit_ipip().

I narrowed the problem down to an API change in the function
ip_select_ident().

Before:
static inline void ip_select_ident(struct iphdr *iph, struct dst_entry *dst,
        struct sock *sk)

After:
static inline void ip_select_ident(struct sk_buff *skb, struct dst_entry *dst,
        struct sock *sk)

This function is referencd in linux/include/libreswan/ipsec_param2.h.

After I changed the first parameter there, the crashes were gone.

In openswan, there is some logic to work across different kernel versions,
but I can't think of a simple way to fix this.
I also don't know which other versions between 3.4 and 3.11 are affected.

Regards

Thomas

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