From: Xu Kuohai <xukuohai@xxxxxxxxxx> Add macro LSM_RET_INT to annotate lsm hook return integer type and the default return value. The follow-up patch will use this macro to add return value range descriptions. Signed-off-by: Xu Kuohai <xukuohai@xxxxxxxxxx> --- include/linux/lsm_hook_defs.h | 424 +++++++++++++++++----------------- include/linux/lsm_hooks.h | 6 - kernel/bpf/bpf_lsm.c | 10 + security/security.c | 1 + 4 files changed, 224 insertions(+), 217 deletions(-) diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index 642272576582..22b64b15faa8 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -26,409 +26,411 @@ * #undef LSM_HOOK * }; */ -LSM_HOOK(int, 0, binder_set_context_mgr, const struct cred *mgr) -LSM_HOOK(int, 0, binder_transaction, const struct cred *from, +LSM_HOOK(int, LSM_RET_INT(0), binder_set_context_mgr, const struct cred *mgr) +LSM_HOOK(int, LSM_RET_INT(0), binder_transaction, const struct cred *from, const struct cred *to) -LSM_HOOK(int, 0, binder_transfer_binder, const struct cred *from, +LSM_HOOK(int, LSM_RET_INT(0), binder_transfer_binder, const struct cred *from, const struct cred *to) -LSM_HOOK(int, 0, binder_transfer_file, const struct cred *from, +LSM_HOOK(int, LSM_RET_INT(0), binder_transfer_file, const struct cred *from, const struct cred *to, const struct file *file) -LSM_HOOK(int, 0, ptrace_access_check, struct task_struct *child, +LSM_HOOK(int, LSM_RET_INT(0), ptrace_access_check, struct task_struct *child, unsigned int mode) -LSM_HOOK(int, 0, ptrace_traceme, struct task_struct *parent) -LSM_HOOK(int, 0, capget, const struct task_struct *target, kernel_cap_t *effective, +LSM_HOOK(int, LSM_RET_INT(0), ptrace_traceme, struct task_struct *parent) +LSM_HOOK(int, LSM_RET_INT(0), capget, const struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted) -LSM_HOOK(int, 0, capset, struct cred *new, const struct cred *old, +LSM_HOOK(int, LSM_RET_INT(0), capset, struct cred *new, const struct cred *old, const kernel_cap_t *effective, const kernel_cap_t *inheritable, const kernel_cap_t *permitted) -LSM_HOOK(int, 0, capable, const struct cred *cred, struct user_namespace *ns, +LSM_HOOK(int, LSM_RET_INT(0), capable, const struct cred *cred, struct user_namespace *ns, int cap, unsigned int opts) -LSM_HOOK(int, 0, quotactl, int cmds, int type, int id, const struct super_block *sb) -LSM_HOOK(int, 0, quota_on, struct dentry *dentry) -LSM_HOOK(int, 0, syslog, int type) -LSM_HOOK(int, 0, settime, const struct timespec64 *ts, +LSM_HOOK(int, LSM_RET_INT(0), quotactl, int cmds, int type, int id, const struct super_block *sb) +LSM_HOOK(int, LSM_RET_INT(0), quota_on, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), syslog, int type) +LSM_HOOK(int, LSM_RET_INT(0), settime, const struct timespec64 *ts, const struct timezone *tz) -LSM_HOOK(int, 1, vm_enough_memory, struct mm_struct *mm, long pages) -LSM_HOOK(int, 0, bprm_creds_for_exec, struct linux_binprm *bprm) -LSM_HOOK(int, 0, bprm_creds_from_file, struct linux_binprm *bprm, const struct file *file) -LSM_HOOK(int, 0, bprm_check_security, struct linux_binprm *bprm) +LSM_HOOK(int, LSM_RET_INT(1), vm_enough_memory, struct mm_struct *mm, long pages) +LSM_HOOK(int, LSM_RET_INT(0), bprm_creds_for_exec, struct linux_binprm *bprm) +LSM_HOOK(int, LSM_RET_INT(0), bprm_creds_from_file, struct linux_binprm *bprm, + const struct file *file) +LSM_HOOK(int, LSM_RET_INT(0), bprm_check_security, struct linux_binprm *bprm) LSM_HOOK(void, LSM_RET_VOID, bprm_committing_creds, const struct linux_binprm *bprm) LSM_HOOK(void, LSM_RET_VOID, bprm_committed_creds, const struct linux_binprm *bprm) -LSM_HOOK(int, 0, fs_context_submount, struct fs_context *fc, struct super_block *reference) -LSM_HOOK(int, 0, fs_context_dup, struct fs_context *fc, +LSM_HOOK(int, LSM_RET_INT(0), fs_context_submount, struct fs_context *fc, + struct super_block *reference) +LSM_HOOK(int, LSM_RET_INT(0), fs_context_dup, struct fs_context *fc, struct fs_context *src_sc) -LSM_HOOK(int, -ENOPARAM, fs_context_parse_param, struct fs_context *fc, +LSM_HOOK(int, LSM_RET_INT(-ENOPARAM), fs_context_parse_param, struct fs_context *fc, struct fs_parameter *param) -LSM_HOOK(int, 0, sb_alloc_security, struct super_block *sb) +LSM_HOOK(int, LSM_RET_INT(0), sb_alloc_security, struct super_block *sb) LSM_HOOK(void, LSM_RET_VOID, sb_delete, struct super_block *sb) LSM_HOOK(void, LSM_RET_VOID, sb_free_security, struct super_block *sb) LSM_HOOK(void, LSM_RET_VOID, sb_free_mnt_opts, void *mnt_opts) -LSM_HOOK(int, 0, sb_eat_lsm_opts, char *orig, void **mnt_opts) -LSM_HOOK(int, 0, sb_mnt_opts_compat, struct super_block *sb, void *mnt_opts) -LSM_HOOK(int, 0, sb_remount, struct super_block *sb, void *mnt_opts) -LSM_HOOK(int, 0, sb_kern_mount, const struct super_block *sb) -LSM_HOOK(int, 0, sb_show_options, struct seq_file *m, struct super_block *sb) -LSM_HOOK(int, 0, sb_statfs, struct dentry *dentry) -LSM_HOOK(int, 0, sb_mount, const char *dev_name, const struct path *path, +LSM_HOOK(int, LSM_RET_INT(0), sb_eat_lsm_opts, char *orig, void **mnt_opts) +LSM_HOOK(int, LSM_RET_INT(0), sb_mnt_opts_compat, struct super_block *sb, void *mnt_opts) +LSM_HOOK(int, LSM_RET_INT(0), sb_remount, struct super_block *sb, void *mnt_opts) +LSM_HOOK(int, LSM_RET_INT(0), sb_kern_mount, const struct super_block *sb) +LSM_HOOK(int, LSM_RET_INT(0), sb_show_options, struct seq_file *m, struct super_block *sb) +LSM_HOOK(int, LSM_RET_INT(0), sb_statfs, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), sb_mount, const char *dev_name, const struct path *path, const char *type, unsigned long flags, void *data) -LSM_HOOK(int, 0, sb_umount, struct vfsmount *mnt, int flags) -LSM_HOOK(int, 0, sb_pivotroot, const struct path *old_path, +LSM_HOOK(int, LSM_RET_INT(0), sb_umount, struct vfsmount *mnt, int flags) +LSM_HOOK(int, LSM_RET_INT(0), sb_pivotroot, const struct path *old_path, const struct path *new_path) -LSM_HOOK(int, 0, sb_set_mnt_opts, struct super_block *sb, void *mnt_opts, +LSM_HOOK(int, LSM_RET_INT(0), sb_set_mnt_opts, struct super_block *sb, void *mnt_opts, unsigned long kern_flags, unsigned long *set_kern_flags) -LSM_HOOK(int, 0, sb_clone_mnt_opts, const struct super_block *oldsb, +LSM_HOOK(int, LSM_RET_INT(0), sb_clone_mnt_opts, const struct super_block *oldsb, struct super_block *newsb, unsigned long kern_flags, unsigned long *set_kern_flags) -LSM_HOOK(int, 0, move_mount, const struct path *from_path, +LSM_HOOK(int, LSM_RET_INT(0), move_mount, const struct path *from_path, const struct path *to_path) -LSM_HOOK(int, -EOPNOTSUPP, dentry_init_security, struct dentry *dentry, +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), dentry_init_security, struct dentry *dentry, int mode, const struct qstr *name, const char **xattr_name, void **ctx, u32 *ctxlen) -LSM_HOOK(int, 0, dentry_create_files_as, struct dentry *dentry, int mode, +LSM_HOOK(int, LSM_RET_INT(0), dentry_create_files_as, struct dentry *dentry, int mode, struct qstr *name, const struct cred *old, struct cred *new) #ifdef CONFIG_SECURITY_PATH -LSM_HOOK(int, 0, path_unlink, const struct path *dir, struct dentry *dentry) -LSM_HOOK(int, 0, path_mkdir, const struct path *dir, struct dentry *dentry, +LSM_HOOK(int, LSM_RET_INT(0), path_unlink, const struct path *dir, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), path_mkdir, const struct path *dir, struct dentry *dentry, umode_t mode) -LSM_HOOK(int, 0, path_rmdir, const struct path *dir, struct dentry *dentry) -LSM_HOOK(int, 0, path_mknod, const struct path *dir, struct dentry *dentry, +LSM_HOOK(int, LSM_RET_INT(0), path_rmdir, const struct path *dir, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), path_mknod, const struct path *dir, struct dentry *dentry, umode_t mode, unsigned int dev) -LSM_HOOK(int, 0, path_truncate, const struct path *path) -LSM_HOOK(int, 0, path_symlink, const struct path *dir, struct dentry *dentry, +LSM_HOOK(int, LSM_RET_INT(0), path_truncate, const struct path *path) +LSM_HOOK(int, LSM_RET_INT(0), path_symlink, const struct path *dir, struct dentry *dentry, const char *old_name) -LSM_HOOK(int, 0, path_link, struct dentry *old_dentry, +LSM_HOOK(int, LSM_RET_INT(0), path_link, struct dentry *old_dentry, const struct path *new_dir, struct dentry *new_dentry) -LSM_HOOK(int, 0, path_rename, const struct path *old_dir, +LSM_HOOK(int, LSM_RET_INT(0), path_rename, const struct path *old_dir, struct dentry *old_dentry, const struct path *new_dir, struct dentry *new_dentry, unsigned int flags) -LSM_HOOK(int, 0, path_chmod, const struct path *path, umode_t mode) -LSM_HOOK(int, 0, path_chown, const struct path *path, kuid_t uid, kgid_t gid) -LSM_HOOK(int, 0, path_chroot, const struct path *path) +LSM_HOOK(int, LSM_RET_INT(0), path_chmod, const struct path *path, umode_t mode) +LSM_HOOK(int, LSM_RET_INT(0), path_chown, const struct path *path, kuid_t uid, kgid_t gid) +LSM_HOOK(int, LSM_RET_INT(0), path_chroot, const struct path *path) #endif /* CONFIG_SECURITY_PATH */ /* Needed for inode based security check */ -LSM_HOOK(int, 0, path_notify, const struct path *path, u64 mask, +LSM_HOOK(int, LSM_RET_INT(0), path_notify, const struct path *path, u64 mask, unsigned int obj_type) -LSM_HOOK(int, 0, inode_alloc_security, struct inode *inode) +LSM_HOOK(int, LSM_RET_INT(0), inode_alloc_security, struct inode *inode) LSM_HOOK(void, LSM_RET_VOID, inode_free_security, struct inode *inode) -LSM_HOOK(int, -EOPNOTSUPP, inode_init_security, struct inode *inode, +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), inode_init_security, struct inode *inode, struct inode *dir, const struct qstr *qstr, struct xattr *xattrs, int *xattr_count) -LSM_HOOK(int, 0, inode_init_security_anon, struct inode *inode, +LSM_HOOK(int, LSM_RET_INT(0), inode_init_security_anon, struct inode *inode, const struct qstr *name, const struct inode *context_inode) -LSM_HOOK(int, 0, inode_create, struct inode *dir, struct dentry *dentry, +LSM_HOOK(int, LSM_RET_INT(0), inode_create, struct inode *dir, struct dentry *dentry, umode_t mode) -LSM_HOOK(int, 0, inode_link, struct dentry *old_dentry, struct inode *dir, +LSM_HOOK(int, LSM_RET_INT(0), inode_link, struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry) -LSM_HOOK(int, 0, inode_unlink, struct inode *dir, struct dentry *dentry) -LSM_HOOK(int, 0, inode_symlink, struct inode *dir, struct dentry *dentry, +LSM_HOOK(int, LSM_RET_INT(0), inode_unlink, struct inode *dir, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), inode_symlink, struct inode *dir, struct dentry *dentry, const char *old_name) -LSM_HOOK(int, 0, inode_mkdir, struct inode *dir, struct dentry *dentry, +LSM_HOOK(int, LSM_RET_INT(0), inode_mkdir, struct inode *dir, struct dentry *dentry, umode_t mode) -LSM_HOOK(int, 0, inode_rmdir, struct inode *dir, struct dentry *dentry) -LSM_HOOK(int, 0, inode_mknod, struct inode *dir, struct dentry *dentry, +LSM_HOOK(int, LSM_RET_INT(0), inode_rmdir, struct inode *dir, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), inode_mknod, struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) -LSM_HOOK(int, 0, inode_rename, struct inode *old_dir, struct dentry *old_dentry, +LSM_HOOK(int, LSM_RET_INT(0), inode_rename, struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry) -LSM_HOOK(int, 0, inode_readlink, struct dentry *dentry) -LSM_HOOK(int, 0, inode_follow_link, struct dentry *dentry, struct inode *inode, +LSM_HOOK(int, LSM_RET_INT(0), inode_readlink, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), inode_follow_link, struct dentry *dentry, struct inode *inode, bool rcu) -LSM_HOOK(int, 0, inode_permission, struct inode *inode, int mask) -LSM_HOOK(int, 0, inode_setattr, struct dentry *dentry, struct iattr *attr) -LSM_HOOK(int, 0, inode_getattr, const struct path *path) -LSM_HOOK(int, 0, inode_setxattr, struct mnt_idmap *idmap, +LSM_HOOK(int, LSM_RET_INT(0), inode_permission, struct inode *inode, int mask) +LSM_HOOK(int, LSM_RET_INT(0), inode_setattr, struct dentry *dentry, struct iattr *attr) +LSM_HOOK(int, LSM_RET_INT(0), inode_getattr, const struct path *path) +LSM_HOOK(int, LSM_RET_INT(0), inode_setxattr, struct mnt_idmap *idmap, struct dentry *dentry, const char *name, const void *value, size_t size, int flags) LSM_HOOK(void, LSM_RET_VOID, inode_post_setxattr, struct dentry *dentry, const char *name, const void *value, size_t size, int flags) -LSM_HOOK(int, 0, inode_getxattr, struct dentry *dentry, const char *name) -LSM_HOOK(int, 0, inode_listxattr, struct dentry *dentry) -LSM_HOOK(int, 0, inode_removexattr, struct mnt_idmap *idmap, +LSM_HOOK(int, LSM_RET_INT(0), inode_getxattr, struct dentry *dentry, const char *name) +LSM_HOOK(int, LSM_RET_INT(0), inode_listxattr, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), inode_removexattr, struct mnt_idmap *idmap, struct dentry *dentry, const char *name) -LSM_HOOK(int, 0, inode_set_acl, struct mnt_idmap *idmap, +LSM_HOOK(int, LSM_RET_INT(0), inode_set_acl, struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name, struct posix_acl *kacl) -LSM_HOOK(int, 0, inode_get_acl, struct mnt_idmap *idmap, +LSM_HOOK(int, LSM_RET_INT(0), inode_get_acl, struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) -LSM_HOOK(int, 0, inode_remove_acl, struct mnt_idmap *idmap, +LSM_HOOK(int, LSM_RET_INT(0), inode_remove_acl, struct mnt_idmap *idmap, struct dentry *dentry, const char *acl_name) -LSM_HOOK(int, 0, inode_need_killpriv, struct dentry *dentry) -LSM_HOOK(int, 0, inode_killpriv, struct mnt_idmap *idmap, +LSM_HOOK(int, LSM_RET_INT(0), inode_need_killpriv, struct dentry *dentry) +LSM_HOOK(int, LSM_RET_INT(0), inode_killpriv, struct mnt_idmap *idmap, struct dentry *dentry) -LSM_HOOK(int, -EOPNOTSUPP, inode_getsecurity, struct mnt_idmap *idmap, +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), inode_getsecurity, struct mnt_idmap *idmap, struct inode *inode, const char *name, void **buffer, bool alloc) -LSM_HOOK(int, -EOPNOTSUPP, inode_setsecurity, struct inode *inode, +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), inode_setsecurity, struct inode *inode, const char *name, const void *value, size_t size, int flags) -LSM_HOOK(int, 0, inode_listsecurity, struct inode *inode, char *buffer, +LSM_HOOK(int, LSM_RET_INT(0), inode_listsecurity, struct inode *inode, char *buffer, size_t buffer_size) LSM_HOOK(void, LSM_RET_VOID, inode_getsecid, struct inode *inode, u32 *secid) -LSM_HOOK(int, 0, inode_copy_up, struct dentry *src, struct cred **new) -LSM_HOOK(int, -EOPNOTSUPP, inode_copy_up_xattr, const char *name) -LSM_HOOK(int, 0, kernfs_init_security, struct kernfs_node *kn_dir, +LSM_HOOK(int, LSM_RET_INT(0), inode_copy_up, struct dentry *src, struct cred **new) +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), inode_copy_up_xattr, const char *name) +LSM_HOOK(int, LSM_RET_INT(0), kernfs_init_security, struct kernfs_node *kn_dir, struct kernfs_node *kn) -LSM_HOOK(int, 0, file_permission, struct file *file, int mask) -LSM_HOOK(int, 0, file_alloc_security, struct file *file) +LSM_HOOK(int, LSM_RET_INT(0), file_permission, struct file *file, int mask) +LSM_HOOK(int, LSM_RET_INT(0), file_alloc_security, struct file *file) LSM_HOOK(void, LSM_RET_VOID, file_free_security, struct file *file) -LSM_HOOK(int, 0, file_ioctl, struct file *file, unsigned int cmd, +LSM_HOOK(int, LSM_RET_INT(0), file_ioctl, struct file *file, unsigned int cmd, unsigned long arg) -LSM_HOOK(int, 0, file_ioctl_compat, struct file *file, unsigned int cmd, +LSM_HOOK(int, LSM_RET_INT(0), file_ioctl_compat, struct file *file, unsigned int cmd, unsigned long arg) -LSM_HOOK(int, 0, mmap_addr, unsigned long addr) -LSM_HOOK(int, 0, mmap_file, struct file *file, unsigned long reqprot, +LSM_HOOK(int, LSM_RET_INT(0), mmap_addr, unsigned long addr) +LSM_HOOK(int, LSM_RET_INT(0), mmap_file, struct file *file, unsigned long reqprot, unsigned long prot, unsigned long flags) -LSM_HOOK(int, 0, file_mprotect, struct vm_area_struct *vma, +LSM_HOOK(int, LSM_RET_INT(0), file_mprotect, struct vm_area_struct *vma, unsigned long reqprot, unsigned long prot) -LSM_HOOK(int, 0, file_lock, struct file *file, unsigned int cmd) -LSM_HOOK(int, 0, file_fcntl, struct file *file, unsigned int cmd, +LSM_HOOK(int, LSM_RET_INT(0), file_lock, struct file *file, unsigned int cmd) +LSM_HOOK(int, LSM_RET_INT(0), file_fcntl, struct file *file, unsigned int cmd, unsigned long arg) LSM_HOOK(void, LSM_RET_VOID, file_set_fowner, struct file *file) -LSM_HOOK(int, 0, file_send_sigiotask, struct task_struct *tsk, +LSM_HOOK(int, LSM_RET_INT(0), file_send_sigiotask, struct task_struct *tsk, struct fown_struct *fown, int sig) -LSM_HOOK(int, 0, file_receive, struct file *file) -LSM_HOOK(int, 0, file_open, struct file *file) -LSM_HOOK(int, 0, file_truncate, struct file *file) -LSM_HOOK(int, 0, task_alloc, struct task_struct *task, +LSM_HOOK(int, LSM_RET_INT(0), file_receive, struct file *file) +LSM_HOOK(int, LSM_RET_INT(0), file_open, struct file *file) +LSM_HOOK(int, LSM_RET_INT(0), file_truncate, struct file *file) +LSM_HOOK(int, LSM_RET_INT(0), task_alloc, struct task_struct *task, unsigned long clone_flags) LSM_HOOK(void, LSM_RET_VOID, task_free, struct task_struct *task) -LSM_HOOK(int, 0, cred_alloc_blank, struct cred *cred, gfp_t gfp) +LSM_HOOK(int, LSM_RET_INT(0), cred_alloc_blank, struct cred *cred, gfp_t gfp) LSM_HOOK(void, LSM_RET_VOID, cred_free, struct cred *cred) -LSM_HOOK(int, 0, cred_prepare, struct cred *new, const struct cred *old, +LSM_HOOK(int, LSM_RET_INT(0), cred_prepare, struct cred *new, const struct cred *old, gfp_t gfp) LSM_HOOK(void, LSM_RET_VOID, cred_transfer, struct cred *new, const struct cred *old) LSM_HOOK(void, LSM_RET_VOID, cred_getsecid, const struct cred *c, u32 *secid) -LSM_HOOK(int, 0, kernel_act_as, struct cred *new, u32 secid) -LSM_HOOK(int, 0, kernel_create_files_as, struct cred *new, struct inode *inode) -LSM_HOOK(int, 0, kernel_module_request, char *kmod_name) -LSM_HOOK(int, 0, kernel_load_data, enum kernel_load_data_id id, bool contents) -LSM_HOOK(int, 0, kernel_post_load_data, char *buf, loff_t size, +LSM_HOOK(int, LSM_RET_INT(0), kernel_act_as, struct cred *new, u32 secid) +LSM_HOOK(int, LSM_RET_INT(0), kernel_create_files_as, struct cred *new, struct inode *inode) +LSM_HOOK(int, LSM_RET_INT(0), kernel_module_request, char *kmod_name) +LSM_HOOK(int, LSM_RET_INT(0), kernel_load_data, enum kernel_load_data_id id, bool contents) +LSM_HOOK(int, LSM_RET_INT(0), kernel_post_load_data, char *buf, loff_t size, enum kernel_load_data_id id, char *description) -LSM_HOOK(int, 0, kernel_read_file, struct file *file, +LSM_HOOK(int, LSM_RET_INT(0), kernel_read_file, struct file *file, enum kernel_read_file_id id, bool contents) -LSM_HOOK(int, 0, kernel_post_read_file, struct file *file, char *buf, +LSM_HOOK(int, LSM_RET_INT(0), kernel_post_read_file, struct file *file, char *buf, loff_t size, enum kernel_read_file_id id) -LSM_HOOK(int, 0, task_fix_setuid, struct cred *new, const struct cred *old, +LSM_HOOK(int, LSM_RET_INT(0), task_fix_setuid, struct cred *new, const struct cred *old, int flags) -LSM_HOOK(int, 0, task_fix_setgid, struct cred *new, const struct cred * old, +LSM_HOOK(int, LSM_RET_INT(0), task_fix_setgid, struct cred *new, const struct cred *old, int flags) -LSM_HOOK(int, 0, task_fix_setgroups, struct cred *new, const struct cred * old) -LSM_HOOK(int, 0, task_setpgid, struct task_struct *p, pid_t pgid) -LSM_HOOK(int, 0, task_getpgid, struct task_struct *p) -LSM_HOOK(int, 0, task_getsid, struct task_struct *p) +LSM_HOOK(int, LSM_RET_INT(0), task_fix_setgroups, struct cred *new, const struct cred *old) +LSM_HOOK(int, LSM_RET_INT(0), task_setpgid, struct task_struct *p, pid_t pgid) +LSM_HOOK(int, LSM_RET_INT(0), task_getpgid, struct task_struct *p) +LSM_HOOK(int, LSM_RET_INT(0), task_getsid, struct task_struct *p) LSM_HOOK(void, LSM_RET_VOID, current_getsecid_subj, u32 *secid) LSM_HOOK(void, LSM_RET_VOID, task_getsecid_obj, struct task_struct *p, u32 *secid) -LSM_HOOK(int, 0, task_setnice, struct task_struct *p, int nice) -LSM_HOOK(int, 0, task_setioprio, struct task_struct *p, int ioprio) -LSM_HOOK(int, 0, task_getioprio, struct task_struct *p) -LSM_HOOK(int, 0, task_prlimit, const struct cred *cred, +LSM_HOOK(int, LSM_RET_INT(0), task_setnice, struct task_struct *p, int nice) +LSM_HOOK(int, LSM_RET_INT(0), task_setioprio, struct task_struct *p, int ioprio) +LSM_HOOK(int, LSM_RET_INT(0), task_getioprio, struct task_struct *p) +LSM_HOOK(int, LSM_RET_INT(0), task_prlimit, const struct cred *cred, const struct cred *tcred, unsigned int flags) -LSM_HOOK(int, 0, task_setrlimit, struct task_struct *p, unsigned int resource, +LSM_HOOK(int, LSM_RET_INT(0), task_setrlimit, struct task_struct *p, unsigned int resource, struct rlimit *new_rlim) -LSM_HOOK(int, 0, task_setscheduler, struct task_struct *p) -LSM_HOOK(int, 0, task_getscheduler, struct task_struct *p) -LSM_HOOK(int, 0, task_movememory, struct task_struct *p) -LSM_HOOK(int, 0, task_kill, struct task_struct *p, struct kernel_siginfo *info, +LSM_HOOK(int, LSM_RET_INT(0), task_setscheduler, struct task_struct *p) +LSM_HOOK(int, LSM_RET_INT(0), task_getscheduler, struct task_struct *p) +LSM_HOOK(int, LSM_RET_INT(0), task_movememory, struct task_struct *p) +LSM_HOOK(int, LSM_RET_INT(0), task_kill, struct task_struct *p, struct kernel_siginfo *info, int sig, const struct cred *cred) -LSM_HOOK(int, -ENOSYS, task_prctl, int option, unsigned long arg2, +LSM_HOOK(int, LSM_RET_INT(-ENOSYS), task_prctl, int option, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) LSM_HOOK(void, LSM_RET_VOID, task_to_inode, struct task_struct *p, struct inode *inode) -LSM_HOOK(int, 0, userns_create, const struct cred *cred) -LSM_HOOK(int, 0, ipc_permission, struct kern_ipc_perm *ipcp, short flag) +LSM_HOOK(int, LSM_RET_INT(0), userns_create, const struct cred *cred) +LSM_HOOK(int, LSM_RET_INT(0), ipc_permission, struct kern_ipc_perm *ipcp, short flag) LSM_HOOK(void, LSM_RET_VOID, ipc_getsecid, struct kern_ipc_perm *ipcp, u32 *secid) -LSM_HOOK(int, 0, msg_msg_alloc_security, struct msg_msg *msg) +LSM_HOOK(int, LSM_RET_INT(0), msg_msg_alloc_security, struct msg_msg *msg) LSM_HOOK(void, LSM_RET_VOID, msg_msg_free_security, struct msg_msg *msg) -LSM_HOOK(int, 0, msg_queue_alloc_security, struct kern_ipc_perm *perm) +LSM_HOOK(int, LSM_RET_INT(0), msg_queue_alloc_security, struct kern_ipc_perm *perm) LSM_HOOK(void, LSM_RET_VOID, msg_queue_free_security, struct kern_ipc_perm *perm) -LSM_HOOK(int, 0, msg_queue_associate, struct kern_ipc_perm *perm, int msqflg) -LSM_HOOK(int, 0, msg_queue_msgctl, struct kern_ipc_perm *perm, int cmd) -LSM_HOOK(int, 0, msg_queue_msgsnd, struct kern_ipc_perm *perm, +LSM_HOOK(int, LSM_RET_INT(0), msg_queue_associate, struct kern_ipc_perm *perm, int msqflg) +LSM_HOOK(int, LSM_RET_INT(0), msg_queue_msgctl, struct kern_ipc_perm *perm, int cmd) +LSM_HOOK(int, LSM_RET_INT(0), msg_queue_msgsnd, struct kern_ipc_perm *perm, struct msg_msg *msg, int msqflg) -LSM_HOOK(int, 0, msg_queue_msgrcv, struct kern_ipc_perm *perm, +LSM_HOOK(int, LSM_RET_INT(0), msg_queue_msgrcv, struct kern_ipc_perm *perm, struct msg_msg *msg, struct task_struct *target, long type, int mode) -LSM_HOOK(int, 0, shm_alloc_security, struct kern_ipc_perm *perm) +LSM_HOOK(int, LSM_RET_INT(0), shm_alloc_security, struct kern_ipc_perm *perm) LSM_HOOK(void, LSM_RET_VOID, shm_free_security, struct kern_ipc_perm *perm) -LSM_HOOK(int, 0, shm_associate, struct kern_ipc_perm *perm, int shmflg) -LSM_HOOK(int, 0, shm_shmctl, struct kern_ipc_perm *perm, int cmd) -LSM_HOOK(int, 0, shm_shmat, struct kern_ipc_perm *perm, char __user *shmaddr, +LSM_HOOK(int, LSM_RET_INT(0), shm_associate, struct kern_ipc_perm *perm, int shmflg) +LSM_HOOK(int, LSM_RET_INT(0), shm_shmctl, struct kern_ipc_perm *perm, int cmd) +LSM_HOOK(int, LSM_RET_INT(0), shm_shmat, struct kern_ipc_perm *perm, char __user *shmaddr, int shmflg) -LSM_HOOK(int, 0, sem_alloc_security, struct kern_ipc_perm *perm) +LSM_HOOK(int, LSM_RET_INT(0), sem_alloc_security, struct kern_ipc_perm *perm) LSM_HOOK(void, LSM_RET_VOID, sem_free_security, struct kern_ipc_perm *perm) -LSM_HOOK(int, 0, sem_associate, struct kern_ipc_perm *perm, int semflg) -LSM_HOOK(int, 0, sem_semctl, struct kern_ipc_perm *perm, int cmd) -LSM_HOOK(int, 0, sem_semop, struct kern_ipc_perm *perm, struct sembuf *sops, +LSM_HOOK(int, LSM_RET_INT(0), sem_associate, struct kern_ipc_perm *perm, int semflg) +LSM_HOOK(int, LSM_RET_INT(0), sem_semctl, struct kern_ipc_perm *perm, int cmd) +LSM_HOOK(int, LSM_RET_INT(0), sem_semop, struct kern_ipc_perm *perm, struct sembuf *sops, unsigned nsops, int alter) -LSM_HOOK(int, 0, netlink_send, struct sock *sk, struct sk_buff *skb) +LSM_HOOK(int, LSM_RET_INT(0), netlink_send, struct sock *sk, struct sk_buff *skb) LSM_HOOK(void, LSM_RET_VOID, d_instantiate, struct dentry *dentry, struct inode *inode) -LSM_HOOK(int, -EOPNOTSUPP, getselfattr, unsigned int attr, +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), getselfattr, unsigned int attr, struct lsm_ctx __user *ctx, size_t *size, u32 flags) -LSM_HOOK(int, -EOPNOTSUPP, setselfattr, unsigned int attr, +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), setselfattr, unsigned int attr, struct lsm_ctx *ctx, size_t size, u32 flags) -LSM_HOOK(int, -EINVAL, getprocattr, struct task_struct *p, const char *name, +LSM_HOOK(int, LSM_RET_INT(-EINVAL), getprocattr, struct task_struct *p, const char *name, char **value) -LSM_HOOK(int, -EINVAL, setprocattr, const char *name, void *value, size_t size) -LSM_HOOK(int, 0, ismaclabel, const char *name) -LSM_HOOK(int, -EOPNOTSUPP, secid_to_secctx, u32 secid, char **secdata, +LSM_HOOK(int, LSM_RET_INT(-EINVAL), setprocattr, const char *name, void *value, size_t size) +LSM_HOOK(int, LSM_RET_INT(0), ismaclabel, const char *name) +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), secid_to_secctx, u32 secid, char **secdata, u32 *seclen) -LSM_HOOK(int, 0, secctx_to_secid, const char *secdata, u32 seclen, u32 *secid) +LSM_HOOK(int, LSM_RET_INT(0), secctx_to_secid, const char *secdata, u32 seclen, u32 *secid) LSM_HOOK(void, LSM_RET_VOID, release_secctx, char *secdata, u32 seclen) LSM_HOOK(void, LSM_RET_VOID, inode_invalidate_secctx, struct inode *inode) -LSM_HOOK(int, 0, inode_notifysecctx, struct inode *inode, void *ctx, u32 ctxlen) -LSM_HOOK(int, 0, inode_setsecctx, struct dentry *dentry, void *ctx, u32 ctxlen) -LSM_HOOK(int, -EOPNOTSUPP, inode_getsecctx, struct inode *inode, void **ctx, +LSM_HOOK(int, LSM_RET_INT(0), inode_notifysecctx, struct inode *inode, void *ctx, u32 ctxlen) +LSM_HOOK(int, LSM_RET_INT(0), inode_setsecctx, struct dentry *dentry, void *ctx, u32 ctxlen) +LSM_HOOK(int, LSM_RET_INT(-EOPNOTSUPP), inode_getsecctx, struct inode *inode, void **ctx, u32 *ctxlen) #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE) -LSM_HOOK(int, 0, post_notification, const struct cred *w_cred, +LSM_HOOK(int, LSM_RET_INT(0), post_notification, const struct cred *w_cred, const struct cred *cred, struct watch_notification *n) #endif /* CONFIG_SECURITY && CONFIG_WATCH_QUEUE */ #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS) -LSM_HOOK(int, 0, watch_key, struct key *key) +LSM_HOOK(int, LSM_RET_INT(0), watch_key, struct key *key) #endif /* CONFIG_SECURITY && CONFIG_KEY_NOTIFICATIONS */ #ifdef CONFIG_SECURITY_NETWORK -LSM_HOOK(int, 0, unix_stream_connect, struct sock *sock, struct sock *other, +LSM_HOOK(int, LSM_RET_INT(0), unix_stream_connect, struct sock *sock, struct sock *other, struct sock *newsk) -LSM_HOOK(int, 0, unix_may_send, struct socket *sock, struct socket *other) -LSM_HOOK(int, 0, socket_create, int family, int type, int protocol, int kern) -LSM_HOOK(int, 0, socket_post_create, struct socket *sock, int family, int type, +LSM_HOOK(int, LSM_RET_INT(0), unix_may_send, struct socket *sock, struct socket *other) +LSM_HOOK(int, LSM_RET_INT(0), socket_create, int family, int type, int protocol, int kern) +LSM_HOOK(int, LSM_RET_INT(0), socket_post_create, struct socket *sock, int family, int type, int protocol, int kern) -LSM_HOOK(int, 0, socket_socketpair, struct socket *socka, struct socket *sockb) -LSM_HOOK(int, 0, socket_bind, struct socket *sock, struct sockaddr *address, +LSM_HOOK(int, LSM_RET_INT(0), socket_socketpair, struct socket *socka, struct socket *sockb) +LSM_HOOK(int, LSM_RET_INT(0), socket_bind, struct socket *sock, struct sockaddr *address, int addrlen) -LSM_HOOK(int, 0, socket_connect, struct socket *sock, struct sockaddr *address, +LSM_HOOK(int, LSM_RET_INT(0), socket_connect, struct socket *sock, struct sockaddr *address, int addrlen) -LSM_HOOK(int, 0, socket_listen, struct socket *sock, int backlog) -LSM_HOOK(int, 0, socket_accept, struct socket *sock, struct socket *newsock) -LSM_HOOK(int, 0, socket_sendmsg, struct socket *sock, struct msghdr *msg, +LSM_HOOK(int, LSM_RET_INT(0), socket_listen, struct socket *sock, int backlog) +LSM_HOOK(int, LSM_RET_INT(0), socket_accept, struct socket *sock, struct socket *newsock) +LSM_HOOK(int, LSM_RET_INT(0), socket_sendmsg, struct socket *sock, struct msghdr *msg, int size) -LSM_HOOK(int, 0, socket_recvmsg, struct socket *sock, struct msghdr *msg, +LSM_HOOK(int, LSM_RET_INT(0), socket_recvmsg, struct socket *sock, struct msghdr *msg, int size, int flags) -LSM_HOOK(int, 0, socket_getsockname, struct socket *sock) -LSM_HOOK(int, 0, socket_getpeername, struct socket *sock) -LSM_HOOK(int, 0, socket_getsockopt, struct socket *sock, int level, int optname) -LSM_HOOK(int, 0, socket_setsockopt, struct socket *sock, int level, int optname) -LSM_HOOK(int, 0, socket_shutdown, struct socket *sock, int how) -LSM_HOOK(int, 0, socket_sock_rcv_skb, struct sock *sk, struct sk_buff *skb) -LSM_HOOK(int, -ENOPROTOOPT, socket_getpeersec_stream, struct socket *sock, +LSM_HOOK(int, LSM_RET_INT(0), socket_getsockname, struct socket *sock) +LSM_HOOK(int, LSM_RET_INT(0), socket_getpeername, struct socket *sock) +LSM_HOOK(int, LSM_RET_INT(0), socket_getsockopt, struct socket *sock, int level, int optname) +LSM_HOOK(int, LSM_RET_INT(0), socket_setsockopt, struct socket *sock, int level, int optname) +LSM_HOOK(int, LSM_RET_INT(0), socket_shutdown, struct socket *sock, int how) +LSM_HOOK(int, LSM_RET_INT(0), socket_sock_rcv_skb, struct sock *sk, struct sk_buff *skb) +LSM_HOOK(int, LSM_RET_INT(-ENOPROTOOPT), socket_getpeersec_stream, struct socket *sock, sockptr_t optval, sockptr_t optlen, unsigned int len) -LSM_HOOK(int, -ENOPROTOOPT, socket_getpeersec_dgram, struct socket *sock, +LSM_HOOK(int, LSM_RET_INT(-ENOPROTOOPT), socket_getpeersec_dgram, struct socket *sock, struct sk_buff *skb, u32 *secid) -LSM_HOOK(int, 0, sk_alloc_security, struct sock *sk, int family, gfp_t priority) +LSM_HOOK(int, LSM_RET_INT(0), sk_alloc_security, struct sock *sk, int family, gfp_t priority) LSM_HOOK(void, LSM_RET_VOID, sk_free_security, struct sock *sk) LSM_HOOK(void, LSM_RET_VOID, sk_clone_security, const struct sock *sk, struct sock *newsk) LSM_HOOK(void, LSM_RET_VOID, sk_getsecid, const struct sock *sk, u32 *secid) LSM_HOOK(void, LSM_RET_VOID, sock_graft, struct sock *sk, struct socket *parent) -LSM_HOOK(int, 0, inet_conn_request, const struct sock *sk, struct sk_buff *skb, +LSM_HOOK(int, LSM_RET_INT(0), inet_conn_request, const struct sock *sk, struct sk_buff *skb, struct request_sock *req) LSM_HOOK(void, LSM_RET_VOID, inet_csk_clone, struct sock *newsk, const struct request_sock *req) LSM_HOOK(void, LSM_RET_VOID, inet_conn_established, struct sock *sk, struct sk_buff *skb) -LSM_HOOK(int, 0, secmark_relabel_packet, u32 secid) +LSM_HOOK(int, LSM_RET_INT(0), secmark_relabel_packet, u32 secid) LSM_HOOK(void, LSM_RET_VOID, secmark_refcount_inc, void) LSM_HOOK(void, LSM_RET_VOID, secmark_refcount_dec, void) LSM_HOOK(void, LSM_RET_VOID, req_classify_flow, const struct request_sock *req, struct flowi_common *flic) -LSM_HOOK(int, 0, tun_dev_alloc_security, void **security) +LSM_HOOK(int, LSM_RET_INT(0), tun_dev_alloc_security, void **security) LSM_HOOK(void, LSM_RET_VOID, tun_dev_free_security, void *security) -LSM_HOOK(int, 0, tun_dev_create, void) -LSM_HOOK(int, 0, tun_dev_attach_queue, void *security) -LSM_HOOK(int, 0, tun_dev_attach, struct sock *sk, void *security) -LSM_HOOK(int, 0, tun_dev_open, void *security) -LSM_HOOK(int, 0, sctp_assoc_request, struct sctp_association *asoc, +LSM_HOOK(int, LSM_RET_INT(0), tun_dev_create, void) +LSM_HOOK(int, LSM_RET_INT(0), tun_dev_attach_queue, void *security) +LSM_HOOK(int, LSM_RET_INT(0), tun_dev_attach, struct sock *sk, void *security) +LSM_HOOK(int, LSM_RET_INT(0), tun_dev_open, void *security) +LSM_HOOK(int, LSM_RET_INT(0), sctp_assoc_request, struct sctp_association *asoc, struct sk_buff *skb) -LSM_HOOK(int, 0, sctp_bind_connect, struct sock *sk, int optname, +LSM_HOOK(int, LSM_RET_INT(0), sctp_bind_connect, struct sock *sk, int optname, struct sockaddr *address, int addrlen) LSM_HOOK(void, LSM_RET_VOID, sctp_sk_clone, struct sctp_association *asoc, struct sock *sk, struct sock *newsk) -LSM_HOOK(int, 0, sctp_assoc_established, struct sctp_association *asoc, +LSM_HOOK(int, LSM_RET_INT(0), sctp_assoc_established, struct sctp_association *asoc, struct sk_buff *skb) -LSM_HOOK(int, 0, mptcp_add_subflow, struct sock *sk, struct sock *ssk) +LSM_HOOK(int, LSM_RET_INT(0), mptcp_add_subflow, struct sock *sk, struct sock *ssk) #endif /* CONFIG_SECURITY_NETWORK */ #ifdef CONFIG_SECURITY_INFINIBAND -LSM_HOOK(int, 0, ib_pkey_access, void *sec, u64 subnet_prefix, u16 pkey) -LSM_HOOK(int, 0, ib_endport_manage_subnet, void *sec, const char *dev_name, +LSM_HOOK(int, LSM_RET_INT(0), ib_pkey_access, void *sec, u64 subnet_prefix, u16 pkey) +LSM_HOOK(int, LSM_RET_INT(0), ib_endport_manage_subnet, void *sec, const char *dev_name, u8 port_num) -LSM_HOOK(int, 0, ib_alloc_security, void **sec) +LSM_HOOK(int, LSM_RET_INT(0), ib_alloc_security, void **sec) LSM_HOOK(void, LSM_RET_VOID, ib_free_security, void *sec) #endif /* CONFIG_SECURITY_INFINIBAND */ #ifdef CONFIG_SECURITY_NETWORK_XFRM -LSM_HOOK(int, 0, xfrm_policy_alloc_security, struct xfrm_sec_ctx **ctxp, +LSM_HOOK(int, LSM_RET_INT(0), xfrm_policy_alloc_security, struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp) -LSM_HOOK(int, 0, xfrm_policy_clone_security, struct xfrm_sec_ctx *old_ctx, +LSM_HOOK(int, LSM_RET_INT(0), xfrm_policy_clone_security, struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctx) LSM_HOOK(void, LSM_RET_VOID, xfrm_policy_free_security, struct xfrm_sec_ctx *ctx) -LSM_HOOK(int, 0, xfrm_policy_delete_security, struct xfrm_sec_ctx *ctx) -LSM_HOOK(int, 0, xfrm_state_alloc, struct xfrm_state *x, +LSM_HOOK(int, LSM_RET_INT(0), xfrm_policy_delete_security, struct xfrm_sec_ctx *ctx) +LSM_HOOK(int, LSM_RET_INT(0), xfrm_state_alloc, struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) -LSM_HOOK(int, 0, xfrm_state_alloc_acquire, struct xfrm_state *x, +LSM_HOOK(int, LSM_RET_INT(0), xfrm_state_alloc_acquire, struct xfrm_state *x, struct xfrm_sec_ctx *polsec, u32 secid) LSM_HOOK(void, LSM_RET_VOID, xfrm_state_free_security, struct xfrm_state *x) -LSM_HOOK(int, 0, xfrm_state_delete_security, struct xfrm_state *x) -LSM_HOOK(int, 0, xfrm_policy_lookup, struct xfrm_sec_ctx *ctx, u32 fl_secid) -LSM_HOOK(int, 1, xfrm_state_pol_flow_match, struct xfrm_state *x, +LSM_HOOK(int, LSM_RET_INT(0), xfrm_state_delete_security, struct xfrm_state *x) +LSM_HOOK(int, LSM_RET_INT(0), xfrm_policy_lookup, struct xfrm_sec_ctx *ctx, u32 fl_secid) +LSM_HOOK(int, LSM_RET_INT(1), xfrm_state_pol_flow_match, struct xfrm_state *x, struct xfrm_policy *xp, const struct flowi_common *flic) -LSM_HOOK(int, 0, xfrm_decode_session, struct sk_buff *skb, u32 *secid, +LSM_HOOK(int, LSM_RET_INT(0), xfrm_decode_session, struct sk_buff *skb, u32 *secid, int ckall) #endif /* CONFIG_SECURITY_NETWORK_XFRM */ /* key management security hooks */ #ifdef CONFIG_KEYS -LSM_HOOK(int, 0, key_alloc, struct key *key, const struct cred *cred, +LSM_HOOK(int, LSM_RET_INT(0), key_alloc, struct key *key, const struct cred *cred, unsigned long flags) LSM_HOOK(void, LSM_RET_VOID, key_free, struct key *key) -LSM_HOOK(int, 0, key_permission, key_ref_t key_ref, const struct cred *cred, +LSM_HOOK(int, LSM_RET_INT(0), key_permission, key_ref_t key_ref, const struct cred *cred, enum key_need_perm need_perm) -LSM_HOOK(int, 0, key_getsecurity, struct key *key, char **buffer) +LSM_HOOK(int, LSM_RET_INT(0), key_getsecurity, struct key *key, char **buffer) #endif /* CONFIG_KEYS */ #ifdef CONFIG_AUDIT -LSM_HOOK(int, 0, audit_rule_init, u32 field, u32 op, char *rulestr, +LSM_HOOK(int, LSM_RET_INT(0), audit_rule_init, u32 field, u32 op, char *rulestr, void **lsmrule) -LSM_HOOK(int, 0, audit_rule_known, struct audit_krule *krule) -LSM_HOOK(int, 0, audit_rule_match, u32 secid, u32 field, u32 op, void *lsmrule) +LSM_HOOK(int, LSM_RET_INT(0), audit_rule_known, struct audit_krule *krule) +LSM_HOOK(int, LSM_RET_INT(0), audit_rule_match, u32 secid, u32 field, u32 op, void *lsmrule) LSM_HOOK(void, LSM_RET_VOID, audit_rule_free, void *lsmrule) #endif /* CONFIG_AUDIT */ #ifdef CONFIG_BPF_SYSCALL -LSM_HOOK(int, 0, bpf, int cmd, union bpf_attr *attr, unsigned int size) -LSM_HOOK(int, 0, bpf_map, struct bpf_map *map, fmode_t fmode) -LSM_HOOK(int, 0, bpf_prog, struct bpf_prog *prog) -LSM_HOOK(int, 0, bpf_map_create, struct bpf_map *map, union bpf_attr *attr, +LSM_HOOK(int, LSM_RET_INT(0), bpf, int cmd, union bpf_attr *attr, unsigned int size) +LSM_HOOK(int, LSM_RET_INT(0), bpf_map, struct bpf_map *map, fmode_t fmode) +LSM_HOOK(int, LSM_RET_INT(0), bpf_prog, struct bpf_prog *prog) +LSM_HOOK(int, LSM_RET_INT(0), bpf_map_create, struct bpf_map *map, union bpf_attr *attr, struct bpf_token *token) LSM_HOOK(void, LSM_RET_VOID, bpf_map_free, struct bpf_map *map) -LSM_HOOK(int, 0, bpf_prog_load, struct bpf_prog *prog, union bpf_attr *attr, +LSM_HOOK(int, LSM_RET_INT(0), bpf_prog_load, struct bpf_prog *prog, union bpf_attr *attr, struct bpf_token *token) LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free, struct bpf_prog *prog) -LSM_HOOK(int, 0, bpf_token_create, struct bpf_token *token, union bpf_attr *attr, +LSM_HOOK(int, LSM_RET_INT(0), bpf_token_create, struct bpf_token *token, union bpf_attr *attr, struct path *path) LSM_HOOK(void, LSM_RET_VOID, bpf_token_free, struct bpf_token *token) -LSM_HOOK(int, 0, bpf_token_cmd, const struct bpf_token *token, enum bpf_cmd cmd) -LSM_HOOK(int, 0, bpf_token_capable, const struct bpf_token *token, int cap) +LSM_HOOK(int, LSM_RET_INT(0), bpf_token_cmd, const struct bpf_token *token, enum bpf_cmd cmd) +LSM_HOOK(int, LSM_RET_INT(0), bpf_token_capable, const struct bpf_token *token, int cap) #endif /* CONFIG_BPF_SYSCALL */ -LSM_HOOK(int, 0, locked_down, enum lockdown_reason what) +LSM_HOOK(int, LSM_RET_INT(0), locked_down, enum lockdown_reason what) #ifdef CONFIG_PERF_EVENTS -LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type) -LSM_HOOK(int, 0, perf_event_alloc, struct perf_event *event) +LSM_HOOK(int, LSM_RET_INT(0), perf_event_open, struct perf_event_attr *attr, int type) +LSM_HOOK(int, LSM_RET_INT(0), perf_event_alloc, struct perf_event *event) LSM_HOOK(void, LSM_RET_VOID, perf_event_free, struct perf_event *event) -LSM_HOOK(int, 0, perf_event_read, struct perf_event *event) -LSM_HOOK(int, 0, perf_event_write, struct perf_event *event) +LSM_HOOK(int, LSM_RET_INT(0), perf_event_read, struct perf_event *event) +LSM_HOOK(int, LSM_RET_INT(0), perf_event_write, struct perf_event *event) #endif /* CONFIG_PERF_EVENTS */ #ifdef CONFIG_IO_URING -LSM_HOOK(int, 0, uring_override_creds, const struct cred *new) -LSM_HOOK(int, 0, uring_sqpoll, void) -LSM_HOOK(int, 0, uring_cmd, struct io_uring_cmd *ioucmd) +LSM_HOOK(int, LSM_RET_INT(0), uring_override_creds, const struct cred *new) +LSM_HOOK(int, LSM_RET_INT(0), uring_sqpoll, void) +LSM_HOOK(int, LSM_RET_INT(0), uring_cmd, struct io_uring_cmd *ioucmd) #endif /* CONFIG_IO_URING */ diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index a2ade0ffe9e7..14690cad4fb9 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -98,12 +98,6 @@ static inline struct xattr *lsm_get_xattr_slot(struct xattr *xattrs, return &xattrs[(*xattr_count)++]; } -/* - * LSM_RET_VOID is used as the default value in LSM_HOOK definitions for void - * LSM hooks (in include/linux/lsm_hook_defs.h). - */ -#define LSM_RET_VOID ((void) 0) - /* * Initializing a security_hook_list structure takes * up a lot of space in a source file. This macro takes diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c index 68240c3c6e7d..2185dc4c0aed 100644 --- a/kernel/bpf/bpf_lsm.c +++ b/kernel/bpf/bpf_lsm.c @@ -18,6 +18,14 @@ #include <linux/ima.h> #include <linux/bpf-cgroup.h> +/* + * LSM_RET_VOID is used as the default value in LSM_HOOK definitions for void + * LSM hooks (in include/linux/lsm_hook_defs.h). + */ +#define LSM_RET_VOID ((void) 0) + +#define LSM_RET_INT(defval) defval + /* For every LSM hook that allows attachment of BPF programs, declare a nop * function where a BPF program can be attached. */ @@ -29,6 +37,8 @@ noinline RET bpf_lsm_##NAME(__VA_ARGS__) \ #include <linux/lsm_hook_defs.h> #undef LSM_HOOK +#undef LSM_RET_INT +#undef LSM_RET_VOID #define LSM_HOOK(RET, DEFAULT, NAME, ...) BTF_ID(func, bpf_lsm_##NAME) BTF_SET_START(bpf_lsm_hooks) diff --git a/security/security.c b/security/security.c index aef69632d0a9..72408a9f0822 100644 --- a/security/security.c +++ b/security/security.c @@ -828,6 +828,7 @@ int lsm_fill_user_ctx(struct lsm_ctx __user *uctx, size_t *uctx_len, * The macros below define static constants for the default value of each * LSM hook. */ +#define LSM_RET_INT(defval) defval #define LSM_RET_DEFAULT(NAME) (NAME##_default) #define DECLARE_LSM_RET_DEFAULT_void(DEFAULT, NAME) #define DECLARE_LSM_RET_DEFAULT_int(DEFAULT, NAME) \ -- 2.30.2
