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[ Upstream commit 9ceb7863537748c67fa43ac4f2f565819bbd36e4 ] When a queue is in NVMET_RDMA_Q_CONNECTING state, it may has some requests at rsp_wait_list. In case a disconnect occurs at this state, no one will empty this list and will return the requests to free_rsps list. Normally nvmet_rdma_queue_established() free those requests after moving the queue to NVMET_RDMA_Q_LIVE state, but in this case __nvmet_rdma_queue_disconnect() is called before. The crash happens at nvmet_rdma_free_rsps() when calling list_del(&rsp->free_list), because the request exists only at the wait list. To fix the issue, simply clear rsp_wait_list when destroying the queue. Signed-off-by: Israel Rukshin <israelr@nvidia.com> Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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