Stanislav Fomichev bed89185af bpf: Use cgroup_{common,current}_func_proto in more hooks
The following hooks are per-cgroup hooks but they are not
using cgroup_{common,current}_func_proto, fix it:

* BPF_PROG_TYPE_CGROUP_SKB (cg_skb)
* BPF_PROG_TYPE_CGROUP_SOCK_ADDR (cg_sock_addr)
* BPF_PROG_TYPE_CGROUP_SOCK (cg_sock)
* BPF_PROG_TYPE_LSM+BPF_LSM_CGROUP

Also:

* move common func_proto's into cgroup func_proto handlers
* make sure bpf_{g,s}et_retval are not accessible from recvmsg,
  getpeername and getsockname (return/errno is ignored in these
  places)
* as a side effect, expose get_current_pid_tgid, get_current_comm_proto,
  get_current_ancestor_cgroup_id, get_cgroup_classid to more cgroup
  hooks

Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20220823222555.523590-3-sdf@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-08-23 16:08:21 -07:00
..
2022-08-08 20:04:35 -07:00
2022-02-25 09:36:06 +01:00
2022-08-05 09:41:12 -07:00
2022-05-25 12:22:58 -07:00
2022-04-07 21:06:41 -07:00
2022-08-10 09:24:41 +01:00
2022-08-10 14:04:32 -07:00
2022-07-14 22:45:34 +02:00
2022-03-03 09:55:28 +00:00
2022-08-03 16:29:08 -07:00