Merge tag 'block-6.7-2023-11-10' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - NVMe pull request via Keith:
      - nvme keyring config compile fixes (Hannes and Arnd)
      - fabrics keep alive fixes (Hannes)
      - tcp authentication fixes (Mark)
      - io_uring_cmd error handling fix (Anuj)
      - stale firmware attribute fix (Daniel)
      - tcp memory leak (Christophe)
      - crypto library usage simplification (Eric)

 - nbd use-after-free fix. May need a followup, but at least it's better
   than what it was before (Li)

 - Rate limit write on read-only device warnings (Yu)

* tag 'block-6.7-2023-11-10' of git://git.kernel.dk/linux:
  nvme: keyring: fix conditional compilation
  nvme: common: make keyring and auth separate modules
  blk-core: use pr_warn_ratelimited() in bio_check_ro()
  nbd: fix uaf in nbd_open
  nvme: start keep-alive after admin queue setup
  nvme-loop: always quiesce and cancel commands before destroying admin q
  nvme-tcp: avoid open-coding nvme_tcp_teardown_admin_queue()
  nvme-auth: always set valid seq_num in dhchap reply
  nvme-auth: add flag for bi-directional auth
  nvme-auth: auth success1 msg always includes resp
  nvme: fix error-handling for io_uring nvme-passthrough
  nvme: update firmware version after commit
  nvme-tcp: Fix a memory leak
  nvme-auth: use crypto_shash_tfm_digest()

1 files changed, 18 insertions, 12 deletions

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 62612f87aafa..88b54cdcbd68 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -25,7 +25,6 @@
 #include "nvme.h"
 #include "fabrics.h"
 #include <linux/nvme-auth.h>
-#include <linux/nvme-keyring.h>
 
 #define CREATE_TRACE_POINTS
 #include "trace.h"
@@ -483,6 +482,7 @@ EXPORT_SYMBOL_GPL(nvme_cancel_tagset);
 
 void nvme_cancel_admin_tagset(struct nvme_ctrl *ctrl)
 {
+	nvme_stop_keep_alive(ctrl);
 	if (ctrl->admin_tagset) {
 		blk_mq_tagset_busy_iter(ctrl->admin_tagset,
 				nvme_cancel_request, ctrl);
@@ -3200,6 +3200,8 @@ int nvme_init_ctrl_finish(struct nvme_ctrl *ctrl, bool was_suspended)
 	clear_bit(NVME_CTRL_DIRTY_CAPABILITY, &ctrl->flags);
 	ctrl->identified = true;
 
+	nvme_start_keep_alive(ctrl);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(nvme_init_ctrl_finish);
@@ -4074,8 +4076,21 @@ static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl)
 		return;
 
 	if (nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_FW_SLOT, 0, NVME_CSI_NVM,
-			log, sizeof(*log), 0))
+			 log, sizeof(*log), 0)) {
 		dev_warn(ctrl->device, "Get FW SLOT INFO log error\n");
+		goto out_free_log;
+	}
+
+	if (log->afi & 0x70 || !(log->afi & 0x7)) {
+		dev_info(ctrl->device,
+			 "Firmware is activated after next Controller Level Reset\n");
+		goto out_free_log;
+	}
+
+	memcpy(ctrl->subsys->firmware_rev, &log->frs[(log->afi & 0x7) - 1],
+		sizeof(ctrl->subsys->firmware_rev));
+
+out_free_log:
 	kfree(log);
 }
 
@@ -4333,7 +4348,6 @@ void nvme_stop_ctrl(struct nvme_ctrl *ctrl)
 {
 	nvme_mpath_stop(ctrl);
 	nvme_auth_stop(ctrl);
-	nvme_stop_keep_alive(ctrl);
 	nvme_stop_failfast_work(ctrl);
 	flush_work(&ctrl->async_event_work);
 	cancel_work_sync(&ctrl->fw_act_work);
@@ -4344,8 +4358,6 @@ EXPORT_SYMBOL_GPL(nvme_stop_ctrl);
 
 void nvme_start_ctrl(struct nvme_ctrl *ctrl)
 {
-	nvme_start_keep_alive(ctrl);
-
 	nvme_enable_aen(ctrl);
 
 	/*
@@ -4724,16 +4736,11 @@ static int __init nvme_core_init(void)
 		result = PTR_ERR(nvme_ns_chr_class);
 		goto unregister_generic_ns;
 	}
-	result = nvme_keyring_init();
-	if (result)
-		goto destroy_ns_chr;
 	result = nvme_init_auth();
 	if (result)
-		goto keyring_exit;
+		goto destroy_ns_chr;
 	return 0;
 
-keyring_exit:
-	nvme_keyring_exit();
 destroy_ns_chr:
 	class_destroy(nvme_ns_chr_class);
 unregister_generic_ns:
@@ -4757,7 +4764,6 @@ out:
 static void __exit nvme_core_exit(void)
 {
 	nvme_exit_auth();
-	nvme_keyring_exit();
 	class_destroy(nvme_ns_chr_class);
 	class_destroy(nvme_subsys_class);
 	class_destroy(nvme_class);