Commit f2e561d1 authored Jul 25, 2014 by John Johansen

apparmor: fix disconnected bind mnts reconnection

Bind mounts can fail to be properly reconnected when PATH_CONNECT is
specified. Ensure that when PATH_CONNECT is specified the path has
a root.

BugLink: http://bugs.launchpad.net/bugs/1319984



Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>

parent d671e890

security/apparmor/path.c

+4 −1

Original line number	Original line	Diff line number	Diff line
	@@ -141,7 +141,10 @@ static int d_namespace_path(const struct path path, char buf, int buflen,
	error = -EACCES;		error = -EACCES;
	if (*res == '/')		if (*res == '/')
	*name = res + 1;		*name = res + 1;
	}		} else if (*res != '/')
			/* CONNECT_PATH with missing root */
			error = prepend(name, *name - buf, "/", 1);

	}		}

	out:		out: