Message ID | 1434426564-6176-1-git-send-email-ast@plumgrid.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Alexei Starovoitov <ast@plumgrid.com> Date: Mon, 15 Jun 2015 20:49:24 -0700 > Accessing current->pid/uid from cls_bpf may lead to misleading results and > should not be used when TC classifiers need accurate information about pid/uid. > > Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/core/filter.c b/net/core/filter.c index 65ff107d3d29..be3098fb65e4 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1461,12 +1461,6 @@ tc_cls_act_func_proto(enum bpf_func_id func_id) return &bpf_l4_csum_replace_proto; case BPF_FUNC_clone_redirect: return &bpf_clone_redirect_proto; - case BPF_FUNC_get_current_pid_tgid: - return &bpf_get_current_pid_tgid_proto; - case BPF_FUNC_get_current_uid_gid: - return &bpf_get_current_uid_gid_proto; - case BPF_FUNC_get_current_comm: - return &bpf_get_current_comm_proto; default: return sk_filter_func_proto(func_id); }
Accessing current->pid/uid from cls_bpf may lead to misleading results and should not be used when TC classifiers need accurate information about pid/uid. Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> --- net/core/filter.c | 6 ------ 1 file changed, 6 deletions(-)