uevent: don't pass envp_ext[] as format string in kobject_uevent_env()

kobject_uevent_env() uses envp_ext[] as verbatim format string which
can cause problems ranging from unexpectedly mangled string to oops if
a string in envp_ext[] contains substring which can be interpreted as
format.  Fix it.

Signed-off-by: Tejun Heo <[email protected]>
Cc: Kay Sievers <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

1 file changed