Raju Rangoju 5cbab6303b nvmet-rdma: fix null dereference under heavy load
Under heavy load if we don't have any pre-allocated rsps left, we
dynamically allocate a rsp, but we are not actually allocating memory
for nvme_completion (rsp->req.rsp). In such a case, accessing pointer
fields (req->rsp->status) in nvmet_req_init() will result in crash.

To fix this, allocate the memory for nvme_completion by calling
nvmet_rdma_alloc_rsp()

Fixes: 8407879c("nvmet-rdma:fix possible bogus dereference under heavy load")

Cc: <stable@vger.kernel.org>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-01-23 17:16:59 -07:00
..
2019-01-01 15:55:29 -08:00
2018-12-19 09:40:13 +01:00
2018-12-31 17:32:35 -08:00
2018-12-29 08:20:44 -07:00
2018-12-27 10:43:24 -08:00
2018-12-27 10:43:24 -08:00
2018-12-29 13:03:29 -08:00
2019-01-01 15:55:29 -08:00
2018-12-31 17:32:35 -08:00
2019-01-01 15:55:29 -08:00
2018-12-28 20:54:57 -08:00
2018-12-29 13:03:29 -08:00
2018-12-29 13:03:29 -08:00
2018-12-28 13:19:59 -08:00
2019-01-01 15:55:29 -08:00
2018-12-29 09:40:40 -08:00
2018-12-25 14:52:50 -08:00
2018-12-31 17:32:35 -08:00
2018-12-28 16:52:18 -08:00
2019-01-01 15:55:29 -08:00
2018-12-28 16:52:18 -08:00
2018-12-29 12:03:17 -08:00
2018-12-28 20:30:00 -08:00
2018-12-29 13:40:29 -08:00
2018-12-29 13:03:29 -08:00
2018-12-28 20:54:57 -08:00
2018-12-24 12:06:56 +01:00
2019-01-01 13:24:31 -08:00
2018-12-28 14:48:06 -08:00
2018-12-31 17:32:35 -08:00
2018-12-25 14:43:54 -08:00
2018-12-28 14:48:06 -08:00
2018-12-29 13:03:29 -08:00
2018-12-28 20:54:57 -08:00
2019-01-01 15:55:29 -08:00
2019-01-01 15:55:29 -08:00
2019-01-01 13:16:45 -08:00
2018-12-29 13:40:29 -08:00