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| H A D | loop.c | diff a8c1d064d3e80aa9e3ca39e908391e433cc53f78 Mon Aug 07 07:37:50 CDT 2017 Anton Volkov <avolkov@ispras.ru> loop: fix to a race condition due to the early registration of device
The early device registration made possible a race leading to allocations
of disks with wrong minors.
This patch moves the device registration further down the loop_init
function to make the race infeasible.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Anton Volkov <avolkov@ispras.ru>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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