Re: [PATCH bpf-next] xsk: proper socket state check in xsk_poll

2019-08-20 Thread Daniel Borkmann
On 8/20/19 5:29 PM, Björn Töpel wrote: On Tue, 20 Aug 2019 at 16:30, Daniel Borkmann wrote: On 8/20/19 12:04 PM, Björn Töpel wrote: From: Björn Töpel The poll() implementation for AF_XDP sockets did not perform the proper state checks, prior accessing the socket umem. This patch fixes that

Re: [PATCH bpf-next] xsk: proper socket state check in xsk_poll

2019-08-20 Thread Björn Töpel
On Tue, 20 Aug 2019 at 16:30, Daniel Borkmann wrote: > > On 8/20/19 12:04 PM, Björn Töpel wrote: > > From: Björn Töpel > > > > The poll() implementation for AF_XDP sockets did not perform the > > proper state checks, prior accessing the socket umem. This patch fixes > > that by performing a

Re: [PATCH bpf-next] xsk: proper socket state check in xsk_poll

2019-08-20 Thread Daniel Borkmann
On 8/20/19 12:04 PM, Björn Töpel wrote: From: Björn Töpel The poll() implementation for AF_XDP sockets did not perform the proper state checks, prior accessing the socket umem. This patch fixes that by performing a xsk_is_bound() check. Suggested-by: Hillf Danton Reported-by: