37 int setattr_should_drop_sgid(struct mnt_idmap *idmap,  in setattr_should_drop_sgid()  argument
46 	if (!in_group_or_capable(idmap, inode, i_gid_into_vfsgid(idmap, inode)))  in setattr_should_drop_sgid()
67 int setattr_should_drop_suidgid(struct mnt_idmap *idmap,  in setattr_should_drop_suidgid()  argument
77 	kill |= setattr_should_drop_sgid(idmap, inode);  in setattr_should_drop_suidgid()
98 static bool chown_ok(struct mnt_idmap *idmap,  in chown_ok()  argument
101 	vfsuid_t vfsuid = i_uid_into_vfsuid(idmap, inode);  in chown_ok()
105 	if (capable_wrt_inode_uidgid(idmap, inode, CAP_CHOWN))  in chown_ok()
125 static bool chgrp_ok(struct mnt_idmap *idmap,  in chgrp_ok()  argument
128 	vfsgid_t vfsgid = i_gid_into_vfsgid(idmap, inode);  in chgrp_ok()
129 	vfsuid_t vfsuid = i_uid_into_vfsuid(idmap, inode);  in chgrp_ok()
136 	if (capable_wrt_inode_uidgid(idmap, inode, CAP_CHOWN))  in chgrp_ok()
165 int setattr_prepare(struct mnt_idmap *idmap, struct dentry *dentry,  in setattr_prepare()  argument
187 	    !chown_ok(idmap, inode, attr->ia_vfsuid))  in setattr_prepare()
192 	    !chgrp_ok(idmap, inode, attr->ia_vfsgid))  in setattr_prepare()
199 		if (!inode_owner_or_capable(idmap, inode))  in setattr_prepare()
205 			vfsgid = i_gid_into_vfsgid(idmap, inode);  in setattr_prepare()
208 		if (!in_group_or_capable(idmap, inode, vfsgid))  in setattr_prepare()
214 		if (!inode_owner_or_capable(idmap, inode))  in setattr_prepare()
223 		error = security_inode_killpriv(idmap, dentry);  in setattr_prepare()
303 void setattr_copy(struct mnt_idmap *idmap, struct inode *inode,  in setattr_copy()  argument
308 	i_uid_update(idmap, attr, inode);  in setattr_copy()
309 	i_gid_update(idmap, attr, inode);  in setattr_copy()
318 		if (!in_group_or_capable(idmap, inode,  in setattr_copy()
319 					 i_gid_into_vfsgid(idmap, inode)))  in setattr_copy()
326 int may_setattr(struct mnt_idmap *idmap, struct inode *inode,  in may_setattr()  argument
344 		if (!inode_owner_or_capable(idmap, inode)) {  in may_setattr()
345 			error = inode_permission(idmap, inode, MAY_WRITE);  in may_setattr()
381 int notify_change(struct mnt_idmap *idmap, struct dentry *dentry,  in notify_change()  argument
392 	error = may_setattr(idmap, inode, ia_valid);  in notify_change()
473 	    !vfsuid_has_fsmapping(idmap, inode->i_sb->s_user_ns,  in notify_change()
477 	    !vfsgid_has_fsmapping(idmap, inode->i_sb->s_user_ns,  in notify_change()
485 	    !vfsuid_valid(i_uid_into_vfsuid(idmap, inode)))  in notify_change()
488 	    !vfsgid_valid(i_gid_into_vfsgid(idmap, inode)))  in notify_change()
491 	error = security_inode_setattr(idmap, dentry, attr);  in notify_change()
499 		error = inode->i_op->setattr(idmap, dentry, attr);  in notify_change()
501 		error = simple_setattr(idmap, dentry, attr);  in notify_change()
505 		ima_inode_post_setattr(idmap, dentry);  in notify_change()