On Thu, 2017-02-09 at 18:01 +0100, Paolo Abeni wrote:
>
>
> My bad, I missed completely that call path.
>
> I'm wondering if calling first_packet_length() for l2tp_ip sockets
> makes sense ?!? Am I missing something or it touches udp stats and
> checks udp csum for non udp packets ?!?
Yes, I g
On Thu, 2017-02-09 at 07:30 -0800, Eric Dumazet wrote:
> From: Eric Dumazet
>
> first_packet_length() is called from udp_ioctl()
>
> udp_ioctl(), as its name suggests, is used by UDP protocols,
> but is also used by L2TP :(
>
> We shall call udp_rmem_release() only for UDP variants.
>
> Thanks
From: Eric Dumazet
first_packet_length() is called from udp_ioctl()
udp_ioctl(), as its name suggests, is used by UDP protocols,
but is also used by L2TP :(
We shall call udp_rmem_release() only for UDP variants.
Thanks to Andrey and syzkaller team for providing the report
and a nice reproduce
