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| /openbmc/linux/drivers/nvme/target/ |
| H A D | rdma.c | fcf73a80 Wed Oct 06 03:09:44 CDT 2021 Israel Rukshin <israelr@nvidia.com> nvmet-rdma: fix use-after-free when a port is removed
When removing a port, all its controllers are being removed, but there
are queues on the port that doesn't belong to any controller (during
connection time). This causes a use-after-free bug for any command
that dereferences req->port (like in nvmet_alloc_ctrl). Those queues
should be destroyed before freeing the port via configfs. Destroy the
remaining queues after the RDMA-CM was destroyed guarantees that no
new queue will be created.
Signed-off-by: Israel Rukshin <israelr@nvidia.com>
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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