From 0407a65f356e6d9340ad673907c17e52fade43e3 Mon Sep 17 00:00:00 2001 From: Kenta Tada Date: Sat, 29 Jan 2022 02:09:06 +0900 Subject: [PATCH] bpf: make bpf_copy_from_user_task() gpl only access_process_vm() is exported by EXPORT_SYMBOL_GPL(). Signed-off-by: Kenta Tada Link: https://lore.kernel.org/r/20220128170906.21154-1-Kenta.Tada@sony.com Signed-off-by: Alexei Starovoitov --- kernel/bpf/helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index ed2780b..4e5969f 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -695,7 +695,7 @@ BPF_CALL_5(bpf_copy_from_user_task, void *, dst, u32, size, const struct bpf_func_proto bpf_copy_from_user_task_proto = { .func = bpf_copy_from_user_task, - .gpl_only = false, + .gpl_only = true, .ret_type = RET_INTEGER, .arg1_type = ARG_PTR_TO_UNINIT_MEM, .arg2_type = ARG_CONST_SIZE_OR_ZERO, -- 2.7.4