Unverified Commit af153bb6 authored by Mateusz Guzik's avatar Mateusz Guzik Committed by Christian Brauner
Browse files

vfs: catch invalid modes in may_open() 



Signed-off-by: default avatarMateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250209185523.745956-3-mjguzik@gmail.com


Reviewed-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 8b17e540

fs/namei.c

+2 −0
Original line number Diff line number Diff line
@@ -3415,6 +3415,8 @@ static int may_open(struct mnt_idmap *idmap, const struct path *path, 
		if ((acc_mode & MAY_EXEC) && path_noexec(path))

			return -EACCES;

		break;

	default:

		VFS_BUG_ON_INODE(1, inode);

	}



	error = inode_permission(idmap, inode, MAY_OPEN | acc_mode);