Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+28
-29
-1
include/linux/init_task.h
-1
include/linux/init_task.h
+27
init/init_task.c
+27
init/init_task.c
···
62
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};
63
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#endif
64
64
65
+
/* init to 2 - one for init_task, one to ensure it is never freed */
66
+
static struct group_info init_groups = { .usage = REFCOUNT_INIT(2) };
67
+
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+
/*
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* The initial credentials for the initial task
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+
*/
71
+
static struct cred init_cred = {
72
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.usage = ATOMIC_INIT(4),
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+
.uid = GLOBAL_ROOT_UID,
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+
.gid = GLOBAL_ROOT_GID,
75
+
.suid = GLOBAL_ROOT_UID,
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+
.sgid = GLOBAL_ROOT_GID,
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+
.euid = GLOBAL_ROOT_UID,
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+
.egid = GLOBAL_ROOT_GID,
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+
.fsuid = GLOBAL_ROOT_UID,
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+
.fsgid = GLOBAL_ROOT_GID,
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+
.securebits = SECUREBITS_DEFAULT,
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+
.cap_inheritable = CAP_EMPTY_SET,
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+
.cap_permitted = CAP_FULL_SET,
84
+
.cap_effective = CAP_FULL_SET,
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+
.cap_bset = CAP_FULL_SET,
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+
.user = INIT_USER,
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.user_ns = &init_user_ns,
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+
.group_info = &init_groups,
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+
.ucounts = &init_ucounts,
90
+
};
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+
65
92
/*
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* Set up the first task table, touch at your own risk!. Base=0,
67
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* limit=0x1fffff (=2MB)
-27
kernel/cred.c
-27
kernel/cred.c
···
35
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36
36
static struct kmem_cache *cred_jar;
37
37
38
-
/* init to 2 - one for init_task, one to ensure it is never freed */
39
-
static struct group_info init_groups = { .usage = REFCOUNT_INIT(2) };
40
-
41
-
/*
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* The initial credentials for the initial task
43
-
*/
44
-
struct cred init_cred = {
45
-
.usage = ATOMIC_INIT(4),
46
-
.uid = GLOBAL_ROOT_UID,
47
-
.gid = GLOBAL_ROOT_GID,
48
-
.suid = GLOBAL_ROOT_UID,
49
-
.sgid = GLOBAL_ROOT_GID,
50
-
.euid = GLOBAL_ROOT_UID,
51
-
.egid = GLOBAL_ROOT_GID,
52
-
.fsuid = GLOBAL_ROOT_UID,
53
-
.fsgid = GLOBAL_ROOT_GID,
54
-
.securebits = SECUREBITS_DEFAULT,
55
-
.cap_inheritable = CAP_EMPTY_SET,
56
-
.cap_permitted = CAP_FULL_SET,
57
-
.cap_effective = CAP_FULL_SET,
58
-
.cap_bset = CAP_FULL_SET,
59
-
.user = INIT_USER,
60
-
.user_ns = &init_user_ns,
61
-
.group_info = &init_groups,
62
-
.ucounts = &init_ucounts,
63
-
};
64
-
65
38
/*
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39
* The RCU callback to actually dispose of a set of credentials
67
40
*/