tree f16a183814ccfcda69fd208efcd8b3482d213607
parent f3ad3766a9e8173db72dce69fa8abb5be5f6cb61
author Chenbo Feng <fengc@google.com> 1508356825 -0700
committer Chenbo Feng <fengc@google.com> 1510088376 -0800

UPSTREAM: selinux: bpf: Add selinux check for eBPF syscall operations

Implement the actual checks introduced to eBPF related syscalls. This
implementation use the security field inside bpf object to store a sid that
identify the bpf object. And when processes try to access the object,
selinux will check if processes have the right privileges. The creation
of eBPF object are also checked at the general bpf check hook and new
cmd introduced to eBPF domain can also be checked there.

Signed-off-by: Chenbo Feng <fengc@google.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

(cherry-pick from net-next: ec27c3568a34c7fe5fcf4ac0a354eda77687f7eb)
Bug: 30950746
Change-Id: Ifb0cdd4b7d470223b143646b339ba511ac77c156