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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /security/bpf
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/bpf')
-rw-r--r--security/bpf/Makefile5
-rw-r--r--security/bpf/hooks.c34
2 files changed, 39 insertions, 0 deletions
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 <linux/lsm_hooks.h>
+#include <linux/bpf_lsm.h>
+
+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 <linux/lsm_hook_defs.h>
+ #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
+};