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| author | Mimi Zohar <zohar@linux.vnet.ibm.com> | 2018-07-13 20:06:02 +0200 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2018-07-16 21:31:57 +0200 |
| commit | c77b8cdf745d91eca138e7bfa430dc6640b604a0 (patch) | |
| tree | f1cc1edc3cecbff32a4450d252b551f5260ee9e1 /security/loadpin/loadpin.c | |
| parent | ima: add build time policy (diff) | |
| download | linux-c77b8cdf745d91eca138e7bfa430dc6640b604a0.tar.xz linux-c77b8cdf745d91eca138e7bfa430dc6640b604a0.zip | |
module: replace the existing LSM hook in init_module
Both the init_module and finit_module syscalls call either directly
or indirectly the security_kernel_read_file LSM hook. This patch
replaces the direct call in init_module with a call to the new
security_kernel_load_data hook and makes the corresponding changes
in SELinux, LoadPin, and IMA.
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: Jeff Vander Stoep <jeffv@google.com>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: Kees Cook <keescook@chromium.org>
Acked-by: Jessica Yu <jeyu@kernel.org>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <james.morris@microsoft.com>
Diffstat (limited to 'security/loadpin/loadpin.c')
| -rw-r--r-- | security/loadpin/loadpin.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/security/loadpin/loadpin.c b/security/loadpin/loadpin.c index 5fa191252c8f..0716af28808a 100644 --- a/security/loadpin/loadpin.c +++ b/security/loadpin/loadpin.c @@ -173,9 +173,15 @@ static int loadpin_read_file(struct file *file, enum kernel_read_file_id id) return 0; } +static int loadpin_load_data(enum kernel_load_data_id id) +{ + return loadpin_read_file(NULL, (enum kernel_read_file_id) id); +} + static struct security_hook_list loadpin_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(sb_free_security, loadpin_sb_free_security), LSM_HOOK_INIT(kernel_read_file, loadpin_read_file), + LSM_HOOK_INIT(kernel_load_data, loadpin_load_data), }; void __init loadpin_add_hooks(void) |