From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- security/bpf/Makefile | 5 +++++ security/bpf/hooks.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) create mode 100644 security/bpf/Makefile create mode 100644 security/bpf/hooks.c (limited to 'security/bpf') diff --git a/security/bpf/Makefile b/security/bpf/Makefile new file mode 100644 index 0000000000..c7a89a9620 --- /dev/null +++ b/security/bpf/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright (C) 2020 Google LLC. + +obj-$(CONFIG_BPF_LSM) := hooks.o diff --git a/security/bpf/hooks.c b/security/bpf/hooks.c new file mode 100644 index 0000000000..cfaf1d0e6a --- /dev/null +++ b/security/bpf/hooks.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * Copyright (C) 2020 Google LLC. + */ +#include +#include + +static struct security_hook_list bpf_lsm_hooks[] __ro_after_init = { + #define LSM_HOOK(RET, DEFAULT, NAME, ...) \ + LSM_HOOK_INIT(NAME, bpf_lsm_##NAME), + #include + #undef LSM_HOOK + LSM_HOOK_INIT(inode_free_security, bpf_inode_storage_free), + LSM_HOOK_INIT(task_free, bpf_task_storage_free), +}; + +static int __init bpf_lsm_init(void) +{ + security_add_hooks(bpf_lsm_hooks, ARRAY_SIZE(bpf_lsm_hooks), "bpf"); + pr_info("LSM support for eBPF active\n"); + return 0; +} + +struct lsm_blob_sizes bpf_lsm_blob_sizes __ro_after_init = { + .lbs_inode = sizeof(struct bpf_storage_blob), + .lbs_task = sizeof(struct bpf_storage_blob), +}; + +DEFINE_LSM(bpf) = { + .name = "bpf", + .init = bpf_lsm_init, + .blobs = &bpf_lsm_blob_sizes +}; -- cgit v1.2.3