Re: [PATCH net 1/7] net: ip6_gre: Request headroom in __gre6_xmit()

2018-05-17 Thread Petr Machata
Fixes: c12b395a4664 ("gre: Support GRE over IPv6")

Re: [PATCH net 1/7] net: ip6_gre: Request headroom in __gre6_xmit()

2018-05-17 Thread William Tu
On Thu, May 17, 2018 at 7:36 AM, Petr Machata wrote: > __gre6_xmit() pushes GRE headers before handing over to ip6_tnl_xmit() > for generic IP-in-IP processing. However it doesn't make sure that there > is enough headroom to push the header to. That can lead to the panic > cited below. (Reproducer