prctl: allow to setup brk for et_dyn executables

[linux-2.6-microblaze.git] / kernel / trace / bpf_trace.c

diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index b4916ef..fdd1407 100644 (file)
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -990,28 +990,29 @@ bpf_tracing_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
                return &bpf_get_numa_node_id_proto;
        case BPF_FUNC_perf_event_read:
                return &bpf_perf_event_read_proto;
-       case BPF_FUNC_probe_write_user:
-               return bpf_get_probe_write_proto();
        case BPF_FUNC_current_task_under_cgroup:
                return &bpf_current_task_under_cgroup_proto;
        case BPF_FUNC_get_prandom_u32:
                return &bpf_get_prandom_u32_proto;
+       case BPF_FUNC_probe_write_user:
+               return security_locked_down(LOCKDOWN_BPF_WRITE_USER) < 0 ?
+                      NULL : bpf_get_probe_write_proto();
        case BPF_FUNC_probe_read_user:
                return &bpf_probe_read_user_proto;
        case BPF_FUNC_probe_read_kernel:
-               return security_locked_down(LOCKDOWN_BPF_READ) < 0 ?
+               return security_locked_down(LOCKDOWN_BPF_READ_KERNEL) < 0 ?
                       NULL : &bpf_probe_read_kernel_proto;
        case BPF_FUNC_probe_read_user_str:
                return &bpf_probe_read_user_str_proto;
        case BPF_FUNC_probe_read_kernel_str:
-               return security_locked_down(LOCKDOWN_BPF_READ) < 0 ?
+               return security_locked_down(LOCKDOWN_BPF_READ_KERNEL) < 0 ?
                       NULL : &bpf_probe_read_kernel_str_proto;
 #ifdef CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
        case BPF_FUNC_probe_read:
-               return security_locked_down(LOCKDOWN_BPF_READ) < 0 ?
+               return security_locked_down(LOCKDOWN_BPF_READ_KERNEL) < 0 ?
                       NULL : &bpf_probe_read_compat_proto;
        case BPF_FUNC_probe_read_str:
-               return security_locked_down(LOCKDOWN_BPF_READ) < 0 ?
+               return security_locked_down(LOCKDOWN_BPF_READ_KERNEL) < 0 ?
                       NULL : &bpf_probe_read_compat_str_proto;
 #endif
 #ifdef CONFIG_CGROUPS