[strongSwan-dev] Issue: After setting up the IPsec tunnel, ping the VPN server causes the host crash.

[Martin Willi]

Hi,

> PING 10.9.133.20Unable to handle kernel NULL pointer dereference at
> virtual address 00000028  // jingen: It crashes here, and I can
> reproduce the issue 100%, and the virtual address is always 00000028.

As it is the Linux kernel that crashes, I don't think it is directly
related to strongSwan, which is userland only.

> [<c0270554>] (xfrm_output_resume+0xf8/0x34c) from [<c01ea2b0>] (comcerto_crypto_done+0x54/0x64)
> [<c01ea2b0>] (comcerto_crypto_done+0x54/0x64) from [<c01ea4a0>] (elp_callback+0x1e0/0x254)
> [<c01ea4a0>] (elp_callback+0x1e0/0x254) from [<c01ea848>] (elp_irq_out_tasklet+0xb8/0x158)

Looks more like a bug in your non-vanilla comcerto crypto driver in the
kernel.

Regards
Martin