ublk_drv: add module parameter of ublks_max for limiting max allowed ublk dev

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Prepare for supporting unprivileged ublk device by limiting max number
ublk devices added. Otherwise too many ublk devices could be added by
un-trusted user, which can be thought as one DoS.

Reviewed-by: ZiyangZhang <ZiyangZhang@linux.alibaba.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230106041711.914434-6-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Ming Lei 2023-01-06 12:17:10 +08:00 • committed by Jens Axboe

parent abb864d380

commit 403ebc8778

1 changed files with 19 additions and 0 deletions

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drivers/block/ublk_drv.c

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