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Xie Yongji cddce01160 nbd: Aovid double completion of a request
There is a race between iterating over requests in
nbd_clear_que() and completing requests in recv_work(),
which can lead to double completion of a request.

To fix it, flush the recv worker before iterating over
the requests and don't abort the completed request
while iterating.

Fixes: 96d97e1782 ("nbd: clear_sock on netlink disconnect")
Reported-by: Jiang Yadong <jiangyadong@bytedance.com>
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/20210813151330.96-1-xieyongji@bytedance.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-08-13 09:46:48 -06:00
arch ubd: remove dead code in ubd_setup_common 2021-06-30 15:35:45 -06:00
block blk-mq: clear active_queues before clearing BLK_MQ_F_TAG_QUEUE_SHARED 2021-08-13 08:01:34 -06:00
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drivers nbd: Aovid double completion of a request 2021-08-13 09:46:48 -06:00
fs block: delay freeing the gendisk 2021-07-27 19:35:47 -06:00
include block: increase BLKCG_MAX_POLS 2021-07-17 13:07:24 -06:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
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