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| author | Kees Cook <kees+treewide@kernel.org> | 2026-09-02 15:31:14 -0700 |
|---|---|---|
| committer | Kees Cook <kees@kernel.org> | 2026-09-04 21:37:00 -0700 |
| commit | 3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d (patch) | |
| tree | c65086f9bdcd48c6360fb7cb4598bca084da1f32 /security/lsm.h | |
| download | linux-stable-3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d.tar.gz linux-stable-3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d.zip | |
treewide: refresh kmalloc_obj() conversionsgrafted
This is another run of the Coccinelle script for converting kmalloc()
family of allocations to kmalloc_obj() via the existing rules in
scripts/coccinelle/api/kmalloc_objs.cocci
This catches both the set of kmalloc() uses added since the first
kmalloc_obj() conversions in v7.0 and adds a large group missed in the
first pass due to Coccinelle not interacting well with the cleanup.h
scoped_...() family of macros[1]. I worked around this with spatch's
"--macro-file" argument to a file with all the scoped_...() macros mapped
to Coccinelle's YACFE_ITERATOR[2] as that was the closest viable control
flow indicator I could find.
Build tested allmodconfig on x86, arm64, arm, loongarch, mips, powerpc,
riscv, and s390 with no new warnings.
Link: https://lore.kernel.org/lkml/202609021314.8A9C0B8@keescook/ [1]
Link: https://github.com/coccinelle/coccinelle/blob/master/standard.h [2]
Signed-off-by: Kees Cook <kees+treewide@kernel.org>
Diffstat (limited to 'security/lsm.h')
| -rw-r--r-- | security/lsm.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/security/lsm.h b/security/lsm.h new file mode 100644 index 000000000..32f808ad4 --- /dev/null +++ b/security/lsm.h @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * LSM functions + */ + +#ifndef _LSM_H_ +#define _LSM_H_ + +#include <linux/printk.h> +#include <linux/lsm_hooks.h> +#include <linux/lsm_count.h> + +/* LSM debugging */ +extern bool lsm_debug; +#define lsm_pr(...) pr_info(__VA_ARGS__) +#define lsm_pr_cont(...) pr_cont(__VA_ARGS__) +#define lsm_pr_dbg(...) \ + do { \ + if (lsm_debug) \ + pr_info(__VA_ARGS__); \ + } while (0) + +/* List of configured LSMs */ +extern unsigned int lsm_active_cnt; +extern const struct lsm_id *lsm_idlist[]; + +/* LSM blob configuration */ +extern struct lsm_blob_sizes blob_sizes; + +/* LSM blob caches */ +extern struct kmem_cache *lsm_file_cache; +extern struct kmem_cache *lsm_backing_file_cache; +extern struct kmem_cache *lsm_inode_cache; + +/* LSM blob allocators */ +int lsm_cred_alloc(struct cred *cred, gfp_t gfp); +int lsm_task_alloc(struct task_struct *task); + +/* LSM framework initializers */ + +#ifdef CONFIG_SECURITYFS +int securityfs_init(void); +#else +static inline int securityfs_init(void) +{ + return 0; +} +#endif /* CONFIG_SECURITYFS */ + +#endif /* _LSM_H_ */ |