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authorChristian Brauner <brauner@kernel.org>2025-11-03 00:12:42 +0100
committerChristian Brauner <brauner@kernel.org>2025-11-04 12:36:02 +0100
commit40314c2818b700da695c9686348be7aef9e156a2 (patch)
tree3100275edeb592263f6a30215a29d0519560baed /init
parent4c7ceeb62d3330b6fb2b549ae833a92c0f481f3e (diff)
cred: make init_cred static
There's zero need to expose struct init_cred. The very few places that need access can just go through init_task which is already exported. Link: https://patch.msgid.link/20251103-work-creds-init_cred-v1-3-cb3ec8711a6a@kernel.org Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'init')
-rw-r--r--init/init_task.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/init/init_task.c b/init/init_task.c
index a55e2189206f..d970a847b657 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -62,6 +62,33 @@ unsigned long init_shadow_call_stack[SCS_SIZE / sizeof(long)] = {
};
#endif
+/* init to 2 - one for init_task, one to ensure it is never freed */
+static struct group_info init_groups = { .usage = REFCOUNT_INIT(2) };
+
+/*
+ * The initial credentials for the initial task
+ */
+static struct cred init_cred = {
+ .usage = ATOMIC_INIT(4),
+ .uid = GLOBAL_ROOT_UID,
+ .gid = GLOBAL_ROOT_GID,
+ .suid = GLOBAL_ROOT_UID,
+ .sgid = GLOBAL_ROOT_GID,
+ .euid = GLOBAL_ROOT_UID,
+ .egid = GLOBAL_ROOT_GID,
+ .fsuid = GLOBAL_ROOT_UID,
+ .fsgid = GLOBAL_ROOT_GID,
+ .securebits = SECUREBITS_DEFAULT,
+ .cap_inheritable = CAP_EMPTY_SET,
+ .cap_permitted = CAP_FULL_SET,
+ .cap_effective = CAP_FULL_SET,
+ .cap_bset = CAP_FULL_SET,
+ .user = INIT_USER,
+ .user_ns = &init_user_ns,
+ .group_info = &init_groups,
+ .ucounts = &init_ucounts,
+};
+
/*
* Set up the first task table, touch at your own risk!. Base=0,
* limit=0x1fffff (=2MB)