diff options
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 3 | ||||
| -rw-r--r-- | drivers/nvme/host/fabrics.c | 2 | ||||
| -rw-r--r-- | drivers/nvme/host/fc.c | 26 | ||||
| -rw-r--r-- | drivers/nvme/host/tcp.c | 7 | ||||
| -rw-r--r-- | drivers/nvme/target/auth.c | 6 | ||||
| -rw-r--r-- | drivers/nvme/target/core.c | 2 | ||||
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 2 | ||||
| -rw-r--r-- | drivers/nvme/target/tcp.c | 10 |
8 files changed, 51 insertions, 7 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index d7199fc97f18..8f04f863a42d 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4218,6 +4218,9 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info) last_path = true; } mutex_unlock(&ctrl->subsys->lock); + + /* guarantee not available in head->list */ + synchronize_srcu(&ns->head->srcu); if (last_path) nvme_put_ns_head(ns->head); nvme_put_ns_head(ns->head); diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index d37cb140d832..b13b455ee829 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -1028,6 +1028,7 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, } if (strlen(p) < 11 || strncmp(p, "DHHC-1:", 7)) { pr_err("Invalid DH-CHAP secret %s\n", p); + kfree_sensitive(p); ret = -EINVAL; goto out; } @@ -1042,6 +1043,7 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, } if (strlen(p) < 11 || strncmp(p, "DHHC-1:", 7)) { pr_err("Invalid DH-CHAP secret %s\n", p); + kfree_sensitive(p); ret = -EINVAL; goto out; } diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 101a3667559d..bdfbd5701ba6 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2356,9 +2356,15 @@ nvme_fc_ctrl_free(struct kref *ref) struct nvme_fc_ctrl *ctrl = container_of(ref, struct nvme_fc_ctrl, ref); unsigned long flags; + bool owns_opts; - /* remove from rport list */ + /* + * Presence on the rport list means nvme_fc_init_ctrl() completed, + * and with it ownership of the fabrics options passed to it. If it + * failed instead, the options still belong to nvmf_create_ctrl(). + */ spin_lock_irqsave(&ctrl->rport->lock, flags); + owns_opts = !list_empty(&ctrl->ctrl_list); list_del(&ctrl->ctrl_list); spin_unlock_irqrestore(&ctrl->rport->lock, flags); @@ -2368,7 +2374,7 @@ nvme_fc_ctrl_free(struct kref *ref) nvme_fc_rport_put(ctrl->rport); ida_free(&nvme_fc_ctrl_cnt, ctrl->cnum); - if (ctrl->ctrl.opts) + if (owns_opts) nvmf_free_options(ctrl->ctrl.opts); kfree(ctrl); } @@ -3558,14 +3564,14 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { dev_err(ctrl->ctrl.device, "NVME-FC{%d}: failed to init ctrl state\n", ctrl->cnum); - goto fail_ctrl; + goto fail_unlist; } if (!queue_delayed_work(nvme_wq, &ctrl->connect_work, 0)) { dev_err(ctrl->ctrl.device, "NVME-FC{%d}: failed to schedule initial connect\n", ctrl->cnum); - goto fail_ctrl; + goto fail_unlist; } flush_delayed_work(&ctrl->connect_work); @@ -3576,14 +3582,22 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, return &ctrl->ctrl; +fail_unlist: + /* + * Leaving the list hands the options back to nvmf_create_ctrl(); + * see nvme_fc_ctrl_free(). Re-init so that list_empty() there + * reports the controller as unlisted. + */ + spin_lock_irqsave(&rport->lock, flags); + list_del_init(&ctrl->ctrl_list); + spin_unlock_irqrestore(&rport->lock, flags); + fail_ctrl: nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING); cancel_work_sync(&ctrl->ioerr_work); cancel_work_sync(&ctrl->ctrl.reset_work); cancel_delayed_work_sync(&ctrl->connect_work); - ctrl->ctrl.opts = NULL; - if (ctrl->ctrl.admin_tagset) nvme_remove_admin_tag_set(&ctrl->ctrl); /* initiate nvme ctrl ref counting teardown */ diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index da826e96a4cc..a5fe7c191b35 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -688,6 +688,13 @@ static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue, return -ENOENT; } + if (rq_data_dir(rq) != READ) { + dev_err(queue->ctrl->ctrl.device, + "queue %d tag %#x unexpected data for a write\n", + nvme_tcp_queue_id(queue), rq->tag); + return -EIO; + } + req = blk_mq_rq_to_pdu(rq); if (!blk_rq_payload_bytes(rq) || !req->curr_bio || !req->data_len) { dev_err(queue->ctrl->ctrl.device, diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c index 300d5e032f6d..95e14f3f03d7 100644 --- a/drivers/nvme/target/auth.c +++ b/drivers/nvme/target/auth.c @@ -250,6 +250,12 @@ void nvmet_auth_sq_free(struct nvmet_sq *sq) sq->dhchap_skey = NULL; } +void nvmet_auth_sq_destroy(struct nvmet_sq *sq) +{ + cancel_delayed_work_sync(&sq->auth_expired_work); + nvmet_auth_sq_free(sq); +} + void nvmet_destroy_auth(struct nvmet_ctrl *ctrl) { ctrl->shash_id = 0; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 39f41416d3a7..1cb07d279b44 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -968,7 +968,7 @@ void nvmet_sq_destroy(struct nvmet_sq *sq) wait_for_completion(&sq->confirm_done); wait_for_completion(&sq->free_done); percpu_ref_exit(&sq->ref); - nvmet_auth_sq_free(sq); + nvmet_auth_sq_destroy(sq); nvmet_cq_put(sq->cq); /* diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 059fd9f356c4..f2ea7993eabc 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -901,6 +901,7 @@ u8 nvmet_setup_auth(struct nvmet_ctrl *ctrl, struct nvmet_sq *sq); void nvmet_auth_sq_init(struct nvmet_sq *sq); void nvmet_destroy_auth(struct nvmet_ctrl *ctrl); void nvmet_auth_sq_free(struct nvmet_sq *sq); +void nvmet_auth_sq_destroy(struct nvmet_sq *sq); int nvmet_setup_dhgroup(struct nvmet_ctrl *ctrl, u8 dhgroup_id); bool nvmet_check_auth_status(struct nvmet_req *req); int nvmet_auth_host_hash(struct nvmet_req *req, u8 *response, @@ -927,6 +928,7 @@ static inline void nvmet_auth_sq_init(struct nvmet_sq *sq) } static inline void nvmet_destroy_auth(struct nvmet_ctrl *ctrl) {}; static inline void nvmet_auth_sq_free(struct nvmet_sq *sq) {}; +static inline void nvmet_auth_sq_destroy(struct nvmet_sq *sq) {}; static inline bool nvmet_check_auth_status(struct nvmet_req *req) { return true; diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 6c7eb0a705a4..b9a904f18489 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -103,6 +103,7 @@ enum nvmet_tcp_recv_state { enum { NVMET_TCP_F_INIT_FAILED = (1 << 0), + NVMET_TCP_F_R2T_SENT = (1 << 1), }; struct nvmet_tcp_cmd { @@ -787,6 +788,7 @@ static int nvmet_try_send_r2t(struct nvmet_tcp_cmd *cmd, bool last_in_batch) return -EAGAIN; cmd->queue->snd_cmd = NULL; + cmd->flags |= NVMET_TCP_F_R2T_SENT; return 1; } @@ -1022,6 +1024,12 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue) cmd = &queue->connect; } + if (unlikely(!(cmd->flags & NVMET_TCP_F_R2T_SENT))) { + pr_err("queue %d: unsolicited H2CData (ttag %u)\n", + queue->idx, data->ttag); + goto err_proto; + } + if (le32_to_cpu(data->data_offset) != cmd->rbytes_done) { pr_err("ttag %u unexpected data offset %u (expected %u)\n", data->ttag, le32_to_cpu(data->data_offset), @@ -1262,6 +1270,8 @@ recv: } queue->left = hdr->hlen - queue->offset + hdgst; + if (queue->left > sizeof(queue->pdu) - queue->offset) + return -EPROTO; goto recv; } |