On Mon, Apr 28, 2025 at 12:17 PM Casey Schaufler <casey@xxxxxxxxxxxxxxxx> wrote: > > On 4/28/2025 8:55 AM, Stephen Smalley wrote: > > Update the security_inode_listsecurity() interface to allow > > use of the xattr_list_one() helper and update the hook > > implementations. > > > > Link: https://lore.kernel.org/selinux/20250424152822.2719-1-stephen.smalley.work@xxxxxxxxx/ > > > > Signed-off-by: Stephen Smalley <stephen.smalley.work@xxxxxxxxx> > > --- > > This patch is relative to the one linked above, which in theory is on > > vfs.fixes but doesn't appear to have been pushed when I looked. > > > diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h > > index bf3bbac4e02a..3c3919dcdebc 100644 > > --- a/include/linux/lsm_hook_defs.h > > +++ b/include/linux/lsm_hook_defs.h > > @@ -174,8 +174,8 @@ LSM_HOOK(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, > > const char *name, const void *value, size_t size, int flags) > > -LSM_HOOK(int, 0, inode_listsecurity, struct inode *inode, char *buffer, > > - size_t buffer_size) > > +LSM_HOOK(int, 0, inode_listsecurity, struct inode *inode, char **buffer, > > + ssize_t *remaining_size) > > How about "rem", "rsize" or some other name instead of the overly long > "remaining_size_"? I don't especially care either way but was just being consistent with the xattr_list_one() code.