On Tue, 27 Nov 2018 at 13:12, Alexei Starovoitov
wrote:
>
> On Tue, Nov 27, 2018 at 10:01:40AM -0800, Joe Stringer wrote:
> > On Tue, 27 Nov 2018 at 06:49, Nicolas Dichtel
> > wrote:
> > >
> > > Le 26/11/2018 ą 23:08, David Ahern a écrit :
> > > > On 11/26/18 2:27 PM, Joe Stringer wrote:
> > > >
On Tue, Nov 27, 2018 at 10:01:40AM -0800, Joe Stringer wrote:
> On Tue, 27 Nov 2018 at 06:49, Nicolas Dichtel
> wrote:
> >
> > Le 26/11/2018 à 23:08, David Ahern a écrit :
> > > On 11/26/18 2:27 PM, Joe Stringer wrote:
> > >> @@ -2405,6 +2407,9 @@ enum bpf_func_id {
> > >> /* BPF_FUNC_perf_event
On Tue, 27 Nov 2018 at 06:49, Nicolas Dichtel wrote:
>
> Le 26/11/2018 à 23:08, David Ahern a écrit :
> > On 11/26/18 2:27 PM, Joe Stringer wrote:
> >> @@ -2405,6 +2407,9 @@ enum bpf_func_id {
> >> /* BPF_FUNC_perf_event_output for sk_buff input context. */
> >> #define BPF_F_CTXLEN_MASK
Le 26/11/2018 à 23:08, David Ahern a écrit :
> On 11/26/18 2:27 PM, Joe Stringer wrote:
>> @@ -2405,6 +2407,9 @@ enum bpf_func_id {
>> /* BPF_FUNC_perf_event_output for sk_buff input context. */
>> #define BPF_F_CTXLEN_MASK (0xfULL << 32)
>>
>> +/* BPF_FUNC_sk_lookup_tcp and BPF_F
On 11/26/18 2:27 PM, Joe Stringer wrote:
> @@ -2405,6 +2407,9 @@ enum bpf_func_id {
> /* BPF_FUNC_perf_event_output for sk_buff input context. */
> #define BPF_F_CTXLEN_MASK(0xfULL << 32)
>
> +/* BPF_FUNC_sk_lookup_tcp and BPF_FUNC_sk_lookup_udp flags. */
> +#define BPF_F_SK_CUR
David Ahern and Nicolas Dichtel report that the handling of the netns id
0 is incorrect for the BPF socket lookup helpers: rather than finding
the netns with id 0, it is resolving to the current netns. This renders
the netns_id 0 inaccessible.
To fix this, adjust the API for the netns to treat all
