commit 3b8767a8f0
upstream.
It should check access_ok(). Otherwise a bunch of places turn into
trivially exploitable rootholes.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 3b8767a8f0
upstream.
It should check access_ok(). Otherwise a bunch of places turn into
trivially exploitable rootholes.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>