@@ -62,8 +62,9 @@ struct landlock_path_beneath_attr {
*/
__u64 allowed_access;
/**
- * @parent_fd: File descriptor, open with ``O_PATH``, which identifies
- * the parent directory of a file hierarchy, or just a file.
+ * @parent_fd: File descriptor, preferably opened with ``O_PATH``,
+ * which identifies the parent directory of a file hierarchy, or just a
+ * file.
*/
__s32 parent_fd;
/*
@@ -292,14 +292,13 @@ static int get_path_from_fd(const s32 fd, struct path *const path)
*
* - EOPNOTSUPP: Landlock is supported by the kernel but disabled at boot time;
* - EINVAL: @flags is not 0, or inconsistent access in the rule (i.e.
- * &landlock_path_beneath_attr.allowed_access is not a subset of the rule's
- * accesses);
+ * &landlock_path_beneath_attr.allowed_access is not a subset of the
+ * ruleset handled accesses);
* - ENOMSG: Empty accesses (e.g. &landlock_path_beneath_attr.allowed_access);
* - EBADF: @ruleset_fd is not a file descriptor for the current thread, or a
* member of @rule_attr is not a file descriptor as expected;
* - EBADFD: @ruleset_fd is not a ruleset file descriptor, or a member of
- * @rule_attr is not the expected file descriptor type (e.g. file open
- * without O_PATH);
+ * @rule_attr is not the expected file descriptor type;
* - EPERM: @ruleset_fd has no write access to the underlying ruleset;
* - EFAULT: @rule_attr inconsistency.
*/
It is not mandatory to pass a file descriptor obtained with the O_PATH flag. Also, replace rule's accesses with ruleset's accesses. Signed-off-by: Mickaël Salaün <mic@digikod.net> Link: https://lore.kernel.org/r/20220506160820.524344-2-mic@digikod.net --- include/uapi/linux/landlock.h | 5 +++-- security/landlock/syscalls.c | 7 +++---- 2 files changed, 6 insertions(+), 6 deletions(-)