diff options
| author | Casey Schaufler <casey@schaufler-ca.com> | 2021-04-22 17:41:15 +0200 |
|---|---|---|
| committer | James Morris <jamorris@linux.microsoft.com> | 2021-04-22 21:22:10 +0200 |
| commit | 1aea7808372eee4ad01f98e064c88c57f1e94855 (patch) | |
| tree | 9af8673225655cc90571981691ddda9e3dcf3fcf /security/selinux/include/objsec.h | |
| parent | landlock: Add ptrace restrictions (diff) | |
| download | linux-1aea7808372eee4ad01f98e064c88c57f1e94855.tar.xz linux-1aea7808372eee4ad01f98e064c88c57f1e94855.zip | |
LSM: Infrastructure management of the superblock
Move management of the superblock->sb_security blob out of the
individual security modules and into the security infrastructure.
Instead of allocating the blobs from within the modules, the modules
tell the infrastructure how much space is required, and the space is
allocated there.
Cc: John Johansen <john.johansen@canonical.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Reviewed-by: Stephen Smalley <stephen.smalley.work@gmail.com>
Acked-by: Serge Hallyn <serge@hallyn.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210422154123.13086-6-mic@digikod.net
Signed-off-by: James Morris <jamorris@linux.microsoft.com>
Diffstat (limited to 'security/selinux/include/objsec.h')
| -rw-r--r-- | security/selinux/include/objsec.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index ca4d7ab6a835..2953132408bf 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -188,4 +188,10 @@ static inline u32 current_sid(void) return tsec->sid; } +static inline struct superblock_security_struct *selinux_superblock( + const struct super_block *superblock) +{ + return superblock->s_security + selinux_blob_sizes.lbs_superblock; +} + #endif /* _SELINUX_OBJSEC_H_ */ |