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authorwzt.wzt@gmail.com <wzt.wzt@gmail.com>2010-04-02 08:41:14 +0200
committerJens Axboe <jens.axboe@oracle.com>2010-04-02 08:41:14 +0200
commita506aedc51093544ff0f9610af6066d18cb6abbe (patch)
tree3a23d5987c02a94eb46746ae29d50d2d9e38a150 /block/blk-cgroup.h
parentb2b163dd47024e445410b72d0c5df6d819c14dfd (diff)
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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>
Diffstat (limited to 'block/blk-cgroup.h')
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