On Thu, Nov 02, 2017 at 01:54:10PM +0100, Florian Westphal wrote: > syzbot reported an issue where pointer to ip header content was not > reloaded after xfrm_parse_spi(). > > Its not intuitive that this function changes skb->head, so switch to > skb_pointer_header.
I have to admit that this is not intuitive, but we pull these headers later anyway. So using skb_header_pointer() here might add another memcpy that could be avoided. I think I'll stay with the fix you submitted for the ipsec tree already.
