tree 3a23d5987c02a94eb46746ae29d50d2d9e38a150
parent b2b163dd47024e445410b72d0c5df6d819c14dfd
author wzt.wzt@gmail.com <wzt.wzt@gmail.com> 1270190474 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1270190474 +0200

Block: Fix block/elevator.c elevator_get() off-by-one error

elevator_get() not check the name length, if the name length > sizeof(elv),
elv will miss the '\0'. And elv buffer will be replace "-iosched" as something
like aaaaaaaaa, then call request_module() can load an not trust module.

Signed-off-by: Zhitong Wang <zhitong.wangzt@alibaba-inc.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>