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* FAILED: patch "[PATCH] nvmet-tcp: bound SGL data length before allocating command" failed to apply to 6.6-stable tree
@ 2026-08-25  8:07 gregkh
  2026-08-26 12:57 ` [PATCH 6.6.y 1/4] nvme: rename nvme_sc_to_pr_err to nvme_status_to_pr_err Sasha Levin
  0 siblings, 1 reply; 5+ messages in thread
From: gregkh @ 2026-08-25  8:07 UTC (permalink / raw)
  To: security, hch, kbusch; +Cc: stable


The patch below does not apply to the 6.6-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y
git checkout FETCH_HEAD
git cherry-pick -x 4a3f00262a044e8e15064b1a6860968bf0500bf4
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026082515-mobilize-facelift-6d03@gregkh' --subject-prefix 'PATCH 6.6.y' 'HEAD^..'

Possible dependencies:



thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 4a3f00262a044e8e15064b1a6860968bf0500bf4 Mon Sep 17 00:00:00 2001
From: Ibrahim Hashimov <security@auditcode.ai>
Date: Thu, 9 Jul 2026 15:25:33 +0200
Subject: [PATCH] nvmet-tcp: bound SGL data length before allocating command
 buffers

nvmet_tcp_map_data() reads the host-controlled 32-bit sgl->length
and, for the in-capsule offset descriptor (type 0x01), checks it
against port->inline_data_size before use. Any other SGL descriptor
type -- including the non-inline transport SGL data-block descriptor
(type (NVME_TRANSPORT_SGL_DATA_DESC << 4) | NVME_SGL_FMT_TRANSPORT_A,
the type a real host uses for out-of-capsule writes) skips that check
entirely and falls straight through to:

	cmd->req.sg = sgl_alloc(len, GFP_KERNEL, &cmd->req.sg_cnt);

with len taken directly from the wire, unbounded up to 4 GiB.

nvmet_req_init() only parses the command and never inspects
sgl->length, and nvmet_check_transfer_len() -- the only other place
transfer_len is validated -- runs later, from req->execute(), after
the allocation has already happened. For a write command the target
responds with an R2T and parks the command waiting for the host to
send the data; if the host (or an unauthenticated peer that simply
never follows up) never does, the sgl_alloc() buffer stays resident
for the life of the command. NVMe/TCP has no mandatory authentication
in the default configuration, so any peer able to reach the target
portal and complete a Fabrics connect can drive this with a single
crafted command, repeatable across queues and connections for
amplification. This is unbounded kernel memory allocation
triggered by a remote, effectively unauthenticated peer.

Validate len against the same NVMET_TCP_MAXH2CDATA ceiling this file
already uses to bound per-PDU H2C data, for every SGL descriptor type,
before doing any allocation. This closes the gap for the non-inline
descriptor while leaving the existing, tighter inline_data_size check
in place for the in-capsule case.

Runtime-verified on a v6.19 KASAN stand: with this bound in place, a
crafted write command carrying an oversized non-inline SGL length is
rejected before sgl_alloc() runs, where the same request previously
drove an unbounded ~256 MiB kernel allocation (up to 4 GiB) that
stayed resident pending an R2T the host never satisfies.

Fixes: 872d26a391da ("nvmet-tcp: add NVMe over TCP target driver")
Cc: stable@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ibrahim Hashimov <security@auditcode.ai>
Assisted-by: AuditCode-AI:2026.07
Signed-off-by: Keith Busch <kbusch@kernel.org>

diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index cb6d37798d74..e4f603b2ace7 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -422,6 +422,19 @@ static int nvmet_tcp_map_data(struct nvmet_tcp_cmd *cmd)
 	if (!len)
 		return 0;
 
+	/*
+	 * inline_data_size only bounds the in-capsule (type 0x01) SGL
+	 * descriptor below. A non-inline transport SGL data-block
+	 * descriptor skips that check entirely and would otherwise reach
+	 * sgl_alloc() with an attacker-controlled len of up to 4 GiB,
+	 * pinning that much kernel memory for a command that may never
+	 * complete. Bound every descriptor type here, before allocating
+	 * anything, using the same ceiling this file already applies to
+	 * per-PDU H2C data.
+	 */
+	if (len > NVMET_TCP_MAXH2CDATA)
+		return NVME_SC_SGL_INVALID_DATA | NVME_STATUS_DNR;
+
 	if (sgl->type == ((NVME_SGL_FMT_DATA_DESC << 4) |
 			  NVME_SGL_FMT_OFFSET)) {
 		if (!nvme_is_write(cmd->req.cmd))


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH 6.6.y 1/4] nvme: rename nvme_sc_to_pr_err to nvme_status_to_pr_err
  2026-08-25  8:07 FAILED: patch "[PATCH] nvmet-tcp: bound SGL data length before allocating command" failed to apply to 6.6-stable tree gregkh
@ 2026-08-26 12:57 ` Sasha Levin
  2026-08-26 12:57   ` [PATCH 6.6.y 2/4] nvme: fix status magic numbers Sasha Levin
                     ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Sasha Levin @ 2026-08-26 12:57 UTC (permalink / raw)
  To: stable
  Cc: Weiwen Hu, Sagi Grimberg, Chaitanya Kulkarni, Christoph Hellwig,
	Keith Busch, Sasha Levin

From: Weiwen Hu <huweiwen@linux.alibaba.com>

[ Upstream commit 22f19a584d7045e0509f103dbc5c0acfd6415163 ]

This should better match its semantic.  "sc" is used in the NVMe spec to
specifically refer to the last 8 bits in the status field. We should not
reuse "sc" here.

Signed-off-by: Weiwen Hu <huweiwen@linux.alibaba.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Stable-dep-of: 4a3f00262a04 ("nvmet-tcp: bound SGL data length before allocating command buffers")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/host/pr.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/nvme/host/pr.c b/drivers/nvme/host/pr.c
index 1df7cb3155601..a50bb3bb97573 100644
--- a/drivers/nvme/host/pr.c
+++ b/drivers/nvme/host/pr.c
@@ -72,12 +72,12 @@ static int nvme_send_ns_pr_command(struct nvme_ns *ns, struct nvme_command *c,
 	return nvme_submit_sync_cmd(ns->queue, c, data, data_len);
 }
 
-static int nvme_sc_to_pr_err(int nvme_sc)
+static int nvme_status_to_pr_err(int status)
 {
-	if (nvme_is_path_error(nvme_sc))
+	if (nvme_is_path_error(status))
 		return PR_STS_PATH_FAILED;
 
-	switch (nvme_sc & 0x7ff) {
+	switch (status & 0x7ff) {
 	case NVME_SC_SUCCESS:
 		return PR_STS_SUCCESS;
 	case NVME_SC_RESERVATION_CONFLICT:
@@ -122,7 +122,7 @@ static int nvme_pr_command(struct block_device *bdev, u32 cdw10,
 	if (ret < 0)
 		return ret;
 
-	return nvme_sc_to_pr_err(ret);
+	return nvme_status_to_pr_err(ret);
 }
 
 static int nvme_pr_register(struct block_device *bdev, u64 old,
@@ -197,7 +197,7 @@ static int nvme_pr_resv_report(struct block_device *bdev, void *data,
 	if (ret < 0)
 		return ret;
 
-	return nvme_sc_to_pr_err(ret);
+	return nvme_status_to_pr_err(ret);
 }
 
 static int nvme_pr_read_keys(struct block_device *bdev,
-- 
2.53.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH 6.6.y 2/4] nvme: fix status magic numbers
  2026-08-26 12:57 ` [PATCH 6.6.y 1/4] nvme: rename nvme_sc_to_pr_err to nvme_status_to_pr_err Sasha Levin
@ 2026-08-26 12:57   ` Sasha Levin
  2026-08-26 12:57   ` [PATCH 6.6.y 3/4] nvme: rename CDR/MORE/DNR to NVME_STATUS_* Sasha Levin
  2026-08-26 12:57   ` [PATCH 6.6.y 4/4] nvmet-tcp: bound SGL data length before allocating command buffers Sasha Levin
  2 siblings, 0 replies; 5+ messages in thread
From: Sasha Levin @ 2026-08-26 12:57 UTC (permalink / raw)
  To: stable
  Cc: Weiwen Hu, Sagi Grimberg, Chaitanya Kulkarni, Christoph Hellwig,
	Keith Busch, Sasha Levin

From: Weiwen Hu <huweiwen@linux.alibaba.com>

[ Upstream commit d89a5c6705998ddc42b104f8eabd3c4b9e8fde08 ]

Replaced some magic numbers about SC and SCT with enum and macro.

Signed-off-by: Weiwen Hu <huweiwen@linux.alibaba.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Stable-dep-of: 4a3f00262a04 ("nvmet-tcp: bound SGL data length before allocating command buffers")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/host/constants.c |  2 +-
 drivers/nvme/host/core.c      | 14 +++++++-------
 drivers/nvme/host/multipath.c |  2 +-
 drivers/nvme/host/nvme.h      |  4 ++--
 drivers/nvme/host/pr.c        |  2 +-
 include/linux/nvme.h          | 14 ++++++++++++--
 6 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/drivers/nvme/host/constants.c b/drivers/nvme/host/constants.c
index 20f46c230885c..4ac8c2d69b5f7 100644
--- a/drivers/nvme/host/constants.c
+++ b/drivers/nvme/host/constants.c
@@ -173,7 +173,7 @@ static const char * const nvme_statuses[] = {
 
 const unsigned char *nvme_get_error_status_str(u16 status)
 {
-	status &= 0x7ff;
+	status &= NVME_SCT_SC_MASK;
 	if (status < ARRAY_SIZE(nvme_statuses) && nvme_statuses[status])
 		return nvme_statuses[status & 0x7ff];
 	return "Unknown";
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 13ff4ac8f3e37..0aa756e8dbd5b 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -251,7 +251,7 @@ void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl)
 
 static blk_status_t nvme_error_status(u16 status)
 {
-	switch (status & 0x7ff) {
+	switch (status & NVME_SCT_SC_MASK) {
 	case NVME_SC_SUCCESS:
 		return BLK_STS_OK;
 	case NVME_SC_CAP_EXCEEDED:
@@ -319,8 +319,8 @@ static void nvme_log_error(struct request *req)
 		       (unsigned long long)nvme_sect_to_lba(ns, blk_rq_pos(req)),
 		       (unsigned long long)blk_rq_bytes(req) >> ns->lba_shift,
 		       nvme_get_error_status_str(nr->status),
-		       nr->status >> 8 & 7,	/* Status Code Type */
-		       nr->status & 0xff,	/* Status Code */
+		       NVME_SCT(nr->status),		/* Status Code Type */
+		       nr->status & NVME_SC_MASK,	/* Status Code */
 		       nr->status & NVME_SC_MORE ? "MORE " : "",
 		       nr->status & NVME_SC_DNR  ? "DNR "  : "");
 		return;
@@ -331,8 +331,8 @@ static void nvme_log_error(struct request *req)
 			   nvme_get_admin_opcode_str(nr->cmd->common.opcode),
 			   nr->cmd->common.opcode,
 			   nvme_get_error_status_str(nr->status),
-			   nr->status >> 8 & 7,	/* Status Code Type */
-			   nr->status & 0xff,	/* Status Code */
+			   NVME_SCT(nr->status),	/* Status Code Type */
+			   nr->status & NVME_SC_MASK,	/* Status Code */
 			   nr->status & NVME_SC_MORE ? "MORE " : "",
 			   nr->status & NVME_SC_DNR  ? "DNR "  : "");
 }
@@ -349,7 +349,7 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req)
 	if (likely(nvme_req(req)->status == 0))
 		return COMPLETE;
 
-	if ((nvme_req(req)->status & 0x7ff) == NVME_SC_AUTH_REQUIRED)
+	if ((nvme_req(req)->status & NVME_SCT_SC_MASK) == NVME_SC_AUTH_REQUIRED)
 		return AUTHENTICATE;
 
 	if (blk_noretry_request(req) ||
@@ -1155,7 +1155,7 @@ EXPORT_SYMBOL_NS_GPL(nvme_passthru_end, NVME_TARGET_PASSTHRU);
 
 /*
  * Recommended frequency for KATO commands per NVMe 1.4 section 7.12.1:
- * 
+ *
  *   The host should send Keep Alive commands at half of the Keep Alive Timeout
  *   accounting for transport roundtrip times [..].
  */
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 2aa3340eab064..fdd64ce6dedb4 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -86,7 +86,7 @@ void nvme_mpath_start_freeze(struct nvme_subsystem *subsys)
 void nvme_failover_req(struct request *req)
 {
 	struct nvme_ns *ns = req->q->queuedata;
-	u16 status = nvme_req(req)->status & 0x7ff;
+	u16 status = nvme_req(req)->status & NVME_SCT_SC_MASK;
 	unsigned long flags;
 	struct bio *bio;
 
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index fd9edeb0d9fe6..e57d7528e8590 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -692,7 +692,7 @@ static inline u32 nvme_bytes_to_numd(size_t len)
 
 static inline bool nvme_is_ana_error(u16 status)
 {
-	switch (status & 0x7ff) {
+	switch (status & NVME_SCT_SC_MASK) {
 	case NVME_SC_ANA_TRANSITION:
 	case NVME_SC_ANA_INACCESSIBLE:
 	case NVME_SC_ANA_PERSISTENT_LOSS:
@@ -705,7 +705,7 @@ static inline bool nvme_is_ana_error(u16 status)
 static inline bool nvme_is_path_error(u16 status)
 {
 	/* check for a status code type of 'path related status' */
-	return (status & 0x700) == 0x300;
+	return (status & NVME_SCT_MASK) == NVME_SCT_PATH;
 }
 
 /*
diff --git a/drivers/nvme/host/pr.c b/drivers/nvme/host/pr.c
index a50bb3bb97573..566a04290e550 100644
--- a/drivers/nvme/host/pr.c
+++ b/drivers/nvme/host/pr.c
@@ -77,7 +77,7 @@ static int nvme_status_to_pr_err(int status)
 	if (nvme_is_path_error(status))
 		return PR_STS_PATH_FAILED;
 
-	switch (status & 0x7ff) {
+	switch (status & NVME_SCT_SC_MASK) {
 	case NVME_SC_SUCCESS:
 		return PR_STS_SUCCESS;
 	case NVME_SC_RESERVATION_CONFLICT:
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index e88b02fff7f2e..3aa93fe6b3bca 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -1847,6 +1847,7 @@ enum {
 	/*
 	 * Generic Command Status:
 	 */
+	NVME_SCT_GENERIC		= 0x0,
 	NVME_SC_SUCCESS			= 0x0,
 	NVME_SC_INVALID_OPCODE		= 0x1,
 	NVME_SC_INVALID_FIELD		= 0x2,
@@ -1894,6 +1895,7 @@ enum {
 	/*
 	 * Command Specific Status:
 	 */
+	NVME_SCT_COMMAND_SPECIFIC	= 0x100,
 	NVME_SC_CQ_INVALID		= 0x100,
 	NVME_SC_QID_INVALID		= 0x101,
 	NVME_SC_QUEUE_SIZE		= 0x102,
@@ -1967,6 +1969,7 @@ enum {
 	/*
 	 * Media and Data Integrity Errors:
 	 */
+	NVME_SCT_MEDIA_ERROR		= 0x200,
 	NVME_SC_WRITE_FAULT		= 0x280,
 	NVME_SC_READ_ERROR		= 0x281,
 	NVME_SC_GUARD_CHECK		= 0x282,
@@ -1979,6 +1982,7 @@ enum {
 	/*
 	 * Path-related Errors:
 	 */
+	NVME_SCT_PATH			= 0x300,
 	NVME_SC_INTERNAL_PATH_ERROR	= 0x300,
 	NVME_SC_ANA_PERSISTENT_LOSS	= 0x301,
 	NVME_SC_ANA_INACCESSIBLE	= 0x302,
@@ -1987,11 +1991,17 @@ enum {
 	NVME_SC_HOST_PATH_ERROR		= 0x370,
 	NVME_SC_HOST_ABORTED_CMD	= 0x371,
 
-	NVME_SC_CRD			= 0x1800,
+	NVME_SC_MASK			= 0x00ff, /* Status Code */
+	NVME_SCT_MASK			= 0x0700, /* Status Code Type */
+	NVME_SCT_SC_MASK		= NVME_SCT_MASK | NVME_SC_MASK,
+
+	NVME_SC_CRD			= 0x1800, /* Command Retry Delayed */
 	NVME_SC_MORE			= 0x2000,
-	NVME_SC_DNR			= 0x4000,
+	NVME_SC_DNR			= 0x4000, /* Do Not Retry */
 };
 
+#define NVME_SCT(status) ((status) >> 8 & 7)
+
 struct nvme_completion {
 	/*
 	 * Used by Admin and Fabrics commands to return data:
-- 
2.53.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH 6.6.y 3/4] nvme: rename CDR/MORE/DNR to NVME_STATUS_*
  2026-08-26 12:57 ` [PATCH 6.6.y 1/4] nvme: rename nvme_sc_to_pr_err to nvme_status_to_pr_err Sasha Levin
  2026-08-26 12:57   ` [PATCH 6.6.y 2/4] nvme: fix status magic numbers Sasha Levin
@ 2026-08-26 12:57   ` Sasha Levin
  2026-08-26 12:57   ` [PATCH 6.6.y 4/4] nvmet-tcp: bound SGL data length before allocating command buffers Sasha Levin
  2 siblings, 0 replies; 5+ messages in thread
From: Sasha Levin @ 2026-08-26 12:57 UTC (permalink / raw)
  To: stable
  Cc: Weiwen Hu, Sagi Grimberg, Chaitanya Kulkarni, Christoph Hellwig,
	Keith Busch, Sasha Levin

From: Weiwen Hu <huweiwen@linux.alibaba.com>

[ Upstream commit dd0b0a4a2c5d7209457dc172997d1243ad269cfa ]

CDR/MORE/DNR fields are not belonging to SC in the NVMe spec, rename
them to NVME_STATUS_* to avoid confusion.

Signed-off-by: Weiwen Hu <huweiwen@linux.alibaba.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Stable-dep-of: 4a3f00262a04 ("nvmet-tcp: bound SGL data length before allocating command buffers")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/host/core.c               | 18 +++++-----
 drivers/nvme/host/fabrics.c            |  8 ++---
 drivers/nvme/host/fault_inject.c       |  2 +-
 drivers/nvme/host/fc.c                 |  8 ++---
 drivers/nvme/target/admin-cmd.c        | 24 +++++++-------
 drivers/nvme/target/core.c             | 46 +++++++++++++-------------
 drivers/nvme/target/discovery.c        | 14 ++++----
 drivers/nvme/target/fabrics-cmd-auth.c | 16 ++++-----
 drivers/nvme/target/fabrics-cmd.c      | 36 ++++++++++----------
 drivers/nvme/target/io-cmd-bdev.c      | 12 +++----
 drivers/nvme/target/passthru.c         | 10 +++---
 drivers/nvme/target/rdma.c             | 10 +++---
 drivers/nvme/target/tcp.c              |  4 +--
 drivers/nvme/target/zns.c              | 30 ++++++++---------
 include/linux/nvme.h                   |  6 ++--
 15 files changed, 122 insertions(+), 122 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 0aa756e8dbd5b..331ddcd8e30dd 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -297,7 +297,7 @@ static void nvme_retry_req(struct request *req)
 	u16 crd;
 
 	/* The mask and shift result must be <= 3 */
-	crd = (nvme_req(req)->status & NVME_SC_CRD) >> 11;
+	crd = (nvme_req(req)->status & NVME_STATUS_CRD) >> 11;
 	if (crd)
 		delay = nvme_req(req)->ctrl->crdt[crd - 1] * 100;
 
@@ -321,8 +321,8 @@ static void nvme_log_error(struct request *req)
 		       nvme_get_error_status_str(nr->status),
 		       NVME_SCT(nr->status),		/* Status Code Type */
 		       nr->status & NVME_SC_MASK,	/* Status Code */
-		       nr->status & NVME_SC_MORE ? "MORE " : "",
-		       nr->status & NVME_SC_DNR  ? "DNR "  : "");
+		       nr->status & NVME_STATUS_MORE ? "MORE " : "",
+		       nr->status & NVME_STATUS_DNR  ? "DNR "  : "");
 		return;
 	}
 
@@ -333,8 +333,8 @@ static void nvme_log_error(struct request *req)
 			   nvme_get_error_status_str(nr->status),
 			   NVME_SCT(nr->status),	/* Status Code Type */
 			   nr->status & NVME_SC_MASK,	/* Status Code */
-			   nr->status & NVME_SC_MORE ? "MORE " : "",
-			   nr->status & NVME_SC_DNR  ? "DNR "  : "");
+			   nr->status & NVME_STATUS_MORE ? "MORE " : "",
+			   nr->status & NVME_STATUS_DNR  ? "DNR "  : "");
 }
 
 enum nvme_disposition {
@@ -353,7 +353,7 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req)
 		return AUTHENTICATE;
 
 	if (blk_noretry_request(req) ||
-	    (nvme_req(req)->status & NVME_SC_DNR) ||
+	    (nvme_req(req)->status & NVME_STATUS_DNR) ||
 	    nvme_req(req)->retries >= nvme_max_retries)
 		return COMPLETE;
 
@@ -3764,7 +3764,7 @@ static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid)
 
 static void nvme_validate_ns(struct nvme_ns *ns, struct nvme_ns_info *info)
 {
-	int ret = NVME_SC_INVALID_NS | NVME_SC_DNR;
+	int ret = NVME_SC_INVALID_NS | NVME_STATUS_DNR;
 
 	if (!nvme_ns_ids_equal(&ns->head->ids, &info->ids)) {
 		dev_err(ns->ctrl->device,
@@ -3780,7 +3780,7 @@ static void nvme_validate_ns(struct nvme_ns *ns, struct nvme_ns_info *info)
 	 *
 	 * TODO: we should probably schedule a delayed retry here.
 	 */
-	if (ret > 0 && (ret & NVME_SC_DNR))
+	if (ret > 0 && (ret & NVME_STATUS_DNR))
 		nvme_ns_remove(ns);
 }
 
@@ -3972,7 +3972,7 @@ static void nvme_scan_work(struct work_struct *work)
 		 * they report) but don't actually support it.
 		 */
 		ret = nvme_scan_ns_list(ctrl);
-		if (ret > 0 && ret & NVME_SC_DNR)
+		if (ret > 0 && ret & NVME_STATUS_DNR)
 			nvme_scan_ns_sequential(ctrl);
 	}
 	mutex_unlock(&ctrl->scan_lock);
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index cf6fb2d51886d..fd01b86f10a4b 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -186,7 +186,7 @@ int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val)
 	if (unlikely(ret != 0))
 		dev_err(ctrl->device,
 			"Property Get error: %d, offset %#x\n",
-			ret > 0 ? ret & ~NVME_SC_DNR : ret, off);
+			ret > 0 ? ret & ~NVME_STATUS_DNR : ret, off);
 
 	return ret;
 }
@@ -232,7 +232,7 @@ int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val)
 	if (unlikely(ret != 0))
 		dev_err(ctrl->device,
 			"Property Get error: %d, offset %#x\n",
-			ret > 0 ? ret & ~NVME_SC_DNR : ret, off);
+			ret > 0 ? ret & ~NVME_STATUS_DNR : ret, off);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(nvmf_reg_read64);
@@ -274,7 +274,7 @@ int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val)
 	if (unlikely(ret))
 		dev_err(ctrl->device,
 			"Property Set error: %d, offset %#x\n",
-			ret > 0 ? ret & ~NVME_SC_DNR : ret, off);
+			ret > 0 ? ret & ~NVME_STATUS_DNR : ret, off);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(nvmf_reg_write32);
@@ -309,7 +309,7 @@ static void nvmf_log_connect_error(struct nvme_ctrl *ctrl,
 		int errval, int offset, struct nvme_command *cmd,
 		struct nvmf_connect_data *data)
 {
-	int err_sctype = errval & ~NVME_SC_DNR;
+	int err_sctype = errval & ~NVME_STATUS_DNR;
 
 	if (errval < 0) {
 		dev_err(ctrl->device,
diff --git a/drivers/nvme/host/fault_inject.c b/drivers/nvme/host/fault_inject.c
index 1ba10a5c656d1..1d1b6441a3398 100644
--- a/drivers/nvme/host/fault_inject.c
+++ b/drivers/nvme/host/fault_inject.c
@@ -75,7 +75,7 @@ void nvme_should_fail(struct request *req)
 		/* inject status code and DNR bit */
 		status = fault_inject->status;
 		if (fault_inject->dont_retry)
-			status |= NVME_SC_DNR;
+			status |= NVME_STATUS_DNR;
 		nvme_req(req)->status =	status;
 	}
 }
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 44de1bcd0c657..20b5048ad15bc 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -3091,7 +3091,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
 	if (ctrl->ctrl.icdoff) {
 		dev_err(ctrl->ctrl.device, "icdoff %d is not supported!\n",
 				ctrl->ctrl.icdoff);
-		ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		ret = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto out_disconnect_admin_queue;
 	}
 
@@ -3099,7 +3099,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
 	if (!nvme_ctrl_sgl_supported(&ctrl->ctrl)) {
 		dev_err(ctrl->ctrl.device,
 			"Mandatory sgls are not supported!\n");
-		ret = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		ret = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto out_disconnect_admin_queue;
 	}
 
@@ -3275,7 +3275,7 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
 		dev_info(ctrl->ctrl.device,
 			"NVME-FC{%d}: reset: Reconnect attempt failed (%d)\n",
 			ctrl->cnum, status);
-		if (status > 0 && (status & NVME_SC_DNR))
+		if (status > 0 && (status & NVME_STATUS_DNR))
 			recon = false;
 	} else if (time_after_eq(jiffies, rport->dev_loss_end))
 		recon = false;
@@ -3292,7 +3292,7 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
 		queue_delayed_work(nvme_wq, &ctrl->connect_work, recon_delay);
 	} else {
 		if (portptr->port_state == FC_OBJSTATE_ONLINE) {
-			if (status > 0 && (status & NVME_SC_DNR))
+			if (status > 0 && (status & NVME_STATUS_DNR))
 				dev_warn(ctrl->ctrl.device,
 					 "NVME-FC{%d}: reconnect failure\n",
 					 ctrl->cnum);
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 39cb570f833dd..e79b5fb91d59f 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -344,7 +344,7 @@ static void nvmet_execute_get_log_page(struct nvmet_req *req)
 	pr_debug("unhandled lid %d on qid %d\n",
 	       req->cmd->get_log_page.lid, req->sq->qid);
 	req->error_loc = offsetof(struct nvme_get_log_page_command, lid);
-	nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);
+	nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_STATUS_DNR);
 }
 
 static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
@@ -496,7 +496,7 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req)
 
 	if (le32_to_cpu(req->cmd->identify.nsid) == NVME_NSID_ALL) {
 		req->error_loc = offsetof(struct nvme_identify, nsid);
-		status = NVME_SC_INVALID_NS | NVME_SC_DNR;
+		status = NVME_SC_INVALID_NS | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -662,7 +662,7 @@ static void nvmet_execute_identify_desclist(struct nvmet_req *req)
 
 	if (sg_zero_buffer(req->sg, req->sg_cnt, NVME_IDENTIFY_DATA_SIZE - off,
 			off) != NVME_IDENTIFY_DATA_SIZE - off)
-		status = NVME_SC_INTERNAL | NVME_SC_DNR;
+		status = NVME_SC_INTERNAL | NVME_STATUS_DNR;
 
 out:
 	nvmet_req_complete(req, status);
@@ -724,7 +724,7 @@ static void nvmet_execute_identify(struct nvmet_req *req)
 	pr_debug("unhandled identify cns %d on qid %d\n",
 	       req->cmd->identify.cns, req->sq->qid);
 	req->error_loc = offsetof(struct nvme_identify, cns);
-	nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);
+	nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_STATUS_DNR);
 }
 
 /*
@@ -807,7 +807,7 @@ u16 nvmet_set_feat_async_event(struct nvmet_req *req, u32 mask)
 
 	if (val32 & ~mask) {
 		req->error_loc = offsetof(struct nvme_common_command, cdw11);
-		return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 	}
 
 	WRITE_ONCE(req->sq->ctrl->aen_enabled, val32);
@@ -833,7 +833,7 @@ void nvmet_execute_set_features(struct nvmet_req *req)
 		ncqr = (cdw11 >> 16) & 0xffff;
 		nsqr = cdw11 & 0xffff;
 		if (ncqr == 0xffff || nsqr == 0xffff) {
-			status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+			status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 			break;
 		}
 		nvmet_set_result(req,
@@ -846,14 +846,14 @@ void nvmet_execute_set_features(struct nvmet_req *req)
 		status = nvmet_set_feat_async_event(req, NVMET_AEN_CFG_ALL);
 		break;
 	case NVME_FEAT_HOST_ID:
-		status = NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR;
+		status = NVME_SC_CMD_SEQ_ERROR | NVME_STATUS_DNR;
 		break;
 	case NVME_FEAT_WRITE_PROTECT:
 		status = nvmet_set_feat_write_protect(req);
 		break;
 	default:
 		req->error_loc = offsetof(struct nvme_common_command, cdw10);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		break;
 	}
 
@@ -939,7 +939,7 @@ void nvmet_execute_get_features(struct nvmet_req *req)
 		if (!(req->cmd->common.cdw11 & cpu_to_le32(1 << 0))) {
 			req->error_loc =
 				offsetof(struct nvme_common_command, cdw11);
-			status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+			status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 			break;
 		}
 
@@ -952,7 +952,7 @@ void nvmet_execute_get_features(struct nvmet_req *req)
 	default:
 		req->error_loc =
 			offsetof(struct nvme_common_command, cdw10);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		break;
 	}
 
@@ -969,7 +969,7 @@ void nvmet_execute_async_event(struct nvmet_req *req)
 	mutex_lock(&ctrl->lock);
 	if (ctrl->nr_async_event_cmds >= NVMET_ASYNC_EVENTS) {
 		mutex_unlock(&ctrl->lock);
-		nvmet_req_complete(req, NVME_SC_ASYNC_LIMIT | NVME_SC_DNR);
+		nvmet_req_complete(req, NVME_SC_ASYNC_LIMIT | NVME_STATUS_DNR);
 		return;
 	}
 	ctrl->async_event_cmds[ctrl->nr_async_event_cmds++] = req;
@@ -1006,7 +1006,7 @@ u16 nvmet_parse_admin_cmd(struct nvmet_req *req)
 	if (nvme_is_fabrics(cmd))
 		return nvmet_parse_fabrics_admin_cmd(req);
 	if (unlikely(!nvmet_check_auth_status(req)))
-		return NVME_SC_AUTH_REQUIRED | NVME_SC_DNR;
+		return NVME_SC_AUTH_REQUIRED | NVME_STATUS_DNR;
 	if (nvmet_is_disc_subsys(nvmet_req_subsys(req)))
 		return nvmet_parse_discovery_cmd(req);
 
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 5a2adfc7c796a..e435996c55374 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -55,18 +55,18 @@ inline u16 errno_to_nvme_status(struct nvmet_req *req, int errno)
 		return NVME_SC_SUCCESS;
 	case -ENOSPC:
 		req->error_loc = offsetof(struct nvme_rw_command, length);
-		return NVME_SC_CAP_EXCEEDED | NVME_SC_DNR;
+		return NVME_SC_CAP_EXCEEDED | NVME_STATUS_DNR;
 	case -EREMOTEIO:
 		req->error_loc = offsetof(struct nvme_rw_command, slba);
-		return  NVME_SC_LBA_RANGE | NVME_SC_DNR;
+		return  NVME_SC_LBA_RANGE | NVME_STATUS_DNR;
 	case -EOPNOTSUPP:
 		req->error_loc = offsetof(struct nvme_common_command, opcode);
 		switch (req->cmd->common.opcode) {
 		case nvme_cmd_dsm:
 		case nvme_cmd_write_zeroes:
-			return NVME_SC_ONCS_NOT_SUPPORTED | NVME_SC_DNR;
+			return NVME_SC_ONCS_NOT_SUPPORTED | NVME_STATUS_DNR;
 		default:
-			return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+			return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 		}
 		break;
 	case -ENODATA:
@@ -76,7 +76,7 @@ inline u16 errno_to_nvme_status(struct nvmet_req *req, int errno)
 		fallthrough;
 	default:
 		req->error_loc = offsetof(struct nvme_common_command, opcode);
-		return NVME_SC_INTERNAL | NVME_SC_DNR;
+		return NVME_SC_INTERNAL | NVME_STATUS_DNR;
 	}
 }
 
@@ -86,7 +86,7 @@ u16 nvmet_report_invalid_opcode(struct nvmet_req *req)
 		 req->sq->qid);
 
 	req->error_loc = offsetof(struct nvme_common_command, opcode);
-	return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+	return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 }
 
 static struct nvmet_subsys *nvmet_find_get_subsys(struct nvmet_port *port,
@@ -97,7 +97,7 @@ u16 nvmet_copy_to_sgl(struct nvmet_req *req, off_t off, const void *buf,
 {
 	if (sg_pcopy_from_buffer(req->sg, req->sg_cnt, buf, len, off) != len) {
 		req->error_loc = offsetof(struct nvme_common_command, dptr);
-		return NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR;
+		return NVME_SC_SGL_INVALID_DATA | NVME_STATUS_DNR;
 	}
 	return 0;
 }
@@ -106,7 +106,7 @@ u16 nvmet_copy_from_sgl(struct nvmet_req *req, off_t off, void *buf, size_t len)
 {
 	if (sg_pcopy_to_buffer(req->sg, req->sg_cnt, buf, len, off) != len) {
 		req->error_loc = offsetof(struct nvme_common_command, dptr);
-		return NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR;
+		return NVME_SC_SGL_INVALID_DATA | NVME_STATUS_DNR;
 	}
 	return 0;
 }
@@ -115,7 +115,7 @@ u16 nvmet_zero_sgl(struct nvmet_req *req, off_t off, size_t len)
 {
 	if (sg_zero_buffer(req->sg, req->sg_cnt, len, off) != len) {
 		req->error_loc = offsetof(struct nvme_common_command, dptr);
-		return NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR;
+		return NVME_SC_SGL_INVALID_DATA | NVME_STATUS_DNR;
 	}
 	return 0;
 }
@@ -145,7 +145,7 @@ static void nvmet_async_events_failall(struct nvmet_ctrl *ctrl)
 	while (ctrl->nr_async_event_cmds) {
 		req = ctrl->async_event_cmds[--ctrl->nr_async_event_cmds];
 		mutex_unlock(&ctrl->lock);
-		nvmet_req_complete(req, NVME_SC_INTERNAL | NVME_SC_DNR);
+		nvmet_req_complete(req, NVME_SC_INTERNAL | NVME_STATUS_DNR);
 		mutex_lock(&ctrl->lock);
 	}
 	mutex_unlock(&ctrl->lock);
@@ -432,7 +432,7 @@ u16 nvmet_req_find_ns(struct nvmet_req *req)
 		req->error_loc = offsetof(struct nvme_common_command, nsid);
 		if (nvmet_subsys_nsid_exists(subsys, nsid))
 			return NVME_SC_INTERNAL_PATH_ERROR;
-		return NVME_SC_INVALID_NS | NVME_SC_DNR;
+		return NVME_SC_INVALID_NS | NVME_STATUS_DNR;
 	}
 
 	percpu_ref_get(&req->ns->ref);
@@ -892,7 +892,7 @@ static u16 nvmet_parse_io_cmd(struct nvmet_req *req)
 		return nvmet_parse_fabrics_io_cmd(req);
 
 	if (unlikely(!nvmet_check_auth_status(req)))
-		return NVME_SC_AUTH_REQUIRED | NVME_SC_DNR;
+		return NVME_SC_AUTH_REQUIRED | NVME_STATUS_DNR;
 
 	ret = nvmet_check_ctrl_status(req);
 	if (unlikely(ret))
@@ -955,7 +955,7 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
 	/* no support for fused commands yet */
 	if (unlikely(flags & (NVME_CMD_FUSE_FIRST | NVME_CMD_FUSE_SECOND))) {
 		req->error_loc = offsetof(struct nvme_common_command, flags);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto fail;
 	}
 
@@ -966,7 +966,7 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
 	 */
 	if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF)) {
 		req->error_loc = offsetof(struct nvme_common_command, flags);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto fail;
 	}
 
@@ -984,7 +984,7 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
 	trace_nvmet_req_init(req, req->cmd);
 
 	if (unlikely(!percpu_ref_tryget_live(&sq->ref))) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto fail;
 	}
 
@@ -1011,7 +1011,7 @@ bool nvmet_check_transfer_len(struct nvmet_req *req, size_t len)
 {
 	if (unlikely(len != req->transfer_len)) {
 		req->error_loc = offsetof(struct nvme_common_command, dptr);
-		nvmet_req_complete(req, NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR);
+		nvmet_req_complete(req, NVME_SC_SGL_INVALID_DATA | NVME_STATUS_DNR);
 		return false;
 	}
 
@@ -1023,7 +1023,7 @@ bool nvmet_check_data_len_lte(struct nvmet_req *req, size_t data_len)
 {
 	if (unlikely(data_len > req->transfer_len)) {
 		req->error_loc = offsetof(struct nvme_common_command, dptr);
-		nvmet_req_complete(req, NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR);
+		nvmet_req_complete(req, NVME_SC_SGL_INVALID_DATA | NVME_STATUS_DNR);
 		return false;
 	}
 
@@ -1291,18 +1291,18 @@ u16 nvmet_check_ctrl_status(struct nvmet_req *req)
 	if (unlikely(!(req->sq->ctrl->cc & NVME_CC_ENABLE))) {
 		pr_err("got cmd %d while CC.EN == 0 on qid = %d\n",
 		       req->cmd->common.opcode, req->sq->qid);
-		return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR;
+		return NVME_SC_CMD_SEQ_ERROR | NVME_STATUS_DNR;
 	}
 
 	if (unlikely(!(req->sq->ctrl->csts & NVME_CSTS_RDY))) {
 		pr_err("got cmd %d while CSTS.RDY == 0 on qid = %d\n",
 		       req->cmd->common.opcode, req->sq->qid);
-		return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR;
+		return NVME_SC_CMD_SEQ_ERROR | NVME_STATUS_DNR;
 	}
 
 	if (unlikely(!nvmet_check_auth_status(req))) {
 		pr_warn("qid %d not authenticated\n", req->sq->qid);
-		return NVME_SC_AUTH_REQUIRED | NVME_SC_DNR;
+		return NVME_SC_AUTH_REQUIRED | NVME_STATUS_DNR;
 	}
 	return 0;
 }
@@ -1376,7 +1376,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
 	int ret;
 	u16 status;
 
-	status = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
+	status = NVME_SC_CONNECT_INVALID_PARAM | NVME_STATUS_DNR;
 	subsys = nvmet_find_get_subsys(req->port, subsysnqn);
 	if (!subsys) {
 		pr_warn("connect request for invalid subsystem %s!\n",
@@ -1392,7 +1392,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
 			hostnqn, subsysnqn);
 		req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(hostnqn);
 		up_read(&nvmet_config_sem);
-		status = NVME_SC_CONNECT_INVALID_HOST | NVME_SC_DNR;
+		status = NVME_SC_CONNECT_INVALID_HOST | NVME_STATUS_DNR;
 		req->error_loc = offsetof(struct nvme_common_command, dptr);
 		goto out_put_subsystem;
 	}
@@ -1445,7 +1445,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
 			     subsys->cntlid_min, subsys->cntlid_max,
 			     GFP_KERNEL);
 	if (ret < 0) {
-		status = NVME_SC_CONNECT_CTRL_BUSY | NVME_SC_DNR;
+		status = NVME_SC_CONNECT_CTRL_BUSY | NVME_STATUS_DNR;
 		goto out_free_sqs;
 	}
 	ctrl->cntlid = ret;
diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index 668d257fa9863..af3c6793aff03 100644
--- a/drivers/nvme/target/discovery.c
+++ b/drivers/nvme/target/discovery.c
@@ -179,7 +179,7 @@ static void nvmet_execute_disc_get_log_page(struct nvmet_req *req)
 	if (req->cmd->get_log_page.lid != NVME_LOG_DISC) {
 		req->error_loc =
 			offsetof(struct nvme_get_log_page_command, lid);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -187,7 +187,7 @@ static void nvmet_execute_disc_get_log_page(struct nvmet_req *req)
 	if (offset & 0x3) {
 		req->error_loc =
 			offsetof(struct nvme_get_log_page_command, lpo);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -256,7 +256,7 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req)
 
 	if (req->cmd->identify.cns != NVME_ID_CNS_CTRL) {
 		req->error_loc = offsetof(struct nvme_identify, cns);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -320,7 +320,7 @@ static void nvmet_execute_disc_set_features(struct nvmet_req *req)
 	default:
 		req->error_loc =
 			offsetof(struct nvme_common_command, cdw10);
-		stat = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		stat = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		break;
 	}
 
@@ -345,7 +345,7 @@ static void nvmet_execute_disc_get_features(struct nvmet_req *req)
 	default:
 		req->error_loc =
 			offsetof(struct nvme_common_command, cdw10);
-		stat = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		stat = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		break;
 	}
 
@@ -361,7 +361,7 @@ u16 nvmet_parse_discovery_cmd(struct nvmet_req *req)
 		       cmd->common.opcode);
 		req->error_loc =
 			offsetof(struct nvme_common_command, opcode);
-		return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+		return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 	}
 
 	switch (cmd->common.opcode) {
@@ -386,7 +386,7 @@ u16 nvmet_parse_discovery_cmd(struct nvmet_req *req)
 	default:
 		pr_debug("unhandled cmd %d\n", cmd->common.opcode);
 		req->error_loc = offsetof(struct nvme_common_command, opcode);
-		return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+		return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 	}
 
 }
diff --git a/drivers/nvme/target/fabrics-cmd-auth.c b/drivers/nvme/target/fabrics-cmd-auth.c
index ccd5dd3dac85f..c280ca30d284b 100644
--- a/drivers/nvme/target/fabrics-cmd-auth.c
+++ b/drivers/nvme/target/fabrics-cmd-auth.c
@@ -198,26 +198,26 @@ void nvmet_execute_auth_send(struct nvmet_req *req)
 	u8 dhchap_status;
 
 	if (req->cmd->auth_send.secp != NVME_AUTH_DHCHAP_PROTOCOL_IDENTIFIER) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc =
 			offsetof(struct nvmf_auth_send_command, secp);
 		goto done;
 	}
 	if (req->cmd->auth_send.spsp0 != 0x01) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc =
 			offsetof(struct nvmf_auth_send_command, spsp0);
 		goto done;
 	}
 	if (req->cmd->auth_send.spsp1 != 0x01) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc =
 			offsetof(struct nvmf_auth_send_command, spsp1);
 		goto done;
 	}
 	tl = le32_to_cpu(req->cmd->auth_send.tl);
 	if (!tl) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc =
 			offsetof(struct nvmf_auth_send_command, tl);
 		goto done;
@@ -446,26 +446,26 @@ void nvmet_execute_auth_receive(struct nvmet_req *req)
 	u16 status = 0;
 
 	if (req->cmd->auth_receive.secp != NVME_AUTH_DHCHAP_PROTOCOL_IDENTIFIER) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc =
 			offsetof(struct nvmf_auth_receive_command, secp);
 		goto done;
 	}
 	if (req->cmd->auth_receive.spsp0 != 0x01) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc =
 			offsetof(struct nvmf_auth_receive_command, spsp0);
 		goto done;
 	}
 	if (req->cmd->auth_receive.spsp1 != 0x01) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc =
 			offsetof(struct nvmf_auth_receive_command, spsp1);
 		goto done;
 	}
 	al = le32_to_cpu(req->cmd->auth_receive.al);
 	if (!al) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc =
 			offsetof(struct nvmf_auth_receive_command, al);
 		goto done;
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index e8dd276dfc622..da56af9bd8d25 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -18,7 +18,7 @@ static void nvmet_execute_prop_set(struct nvmet_req *req)
 	if (req->cmd->prop_set.attrib & 1) {
 		req->error_loc =
 			offsetof(struct nvmf_property_set_command, attrib);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -29,7 +29,7 @@ static void nvmet_execute_prop_set(struct nvmet_req *req)
 	default:
 		req->error_loc =
 			offsetof(struct nvmf_property_set_command, offset);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 	}
 out:
 	nvmet_req_complete(req, status);
@@ -50,7 +50,7 @@ static void nvmet_execute_prop_get(struct nvmet_req *req)
 			val = ctrl->cap;
 			break;
 		default:
-			status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+			status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 			break;
 		}
 	} else {
@@ -65,7 +65,7 @@ static void nvmet_execute_prop_get(struct nvmet_req *req)
 			val = ctrl->csts;
 			break;
 		default:
-			status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+			status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 			break;
 		}
 	}
@@ -105,7 +105,7 @@ u16 nvmet_parse_fabrics_admin_cmd(struct nvmet_req *req)
 		pr_debug("received unknown capsule type 0x%x\n",
 			cmd->fabrics.fctype);
 		req->error_loc = offsetof(struct nvmf_common_command, fctype);
-		return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+		return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 	}
 
 	return 0;
@@ -128,7 +128,7 @@ u16 nvmet_parse_fabrics_io_cmd(struct nvmet_req *req)
 		pr_debug("received unknown capsule type 0x%x\n",
 			cmd->fabrics.fctype);
 		req->error_loc = offsetof(struct nvmf_common_command, fctype);
-		return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+		return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 	}
 
 	return 0;
@@ -147,14 +147,14 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req)
 		pr_warn("queue size zero!\n");
 		req->error_loc = offsetof(struct nvmf_connect_command, sqsize);
 		req->cqe->result.u32 = IPO_IATTR_CONNECT_SQE(sqsize);
-		ret = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
+		ret = NVME_SC_CONNECT_INVALID_PARAM | NVME_STATUS_DNR;
 		goto err;
 	}
 
 	if (ctrl->sqs[qid] != NULL) {
 		pr_warn("qid %u has already been created\n", qid);
 		req->error_loc = offsetof(struct nvmf_connect_command, qid);
-		return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR;
+		return NVME_SC_CMD_SEQ_ERROR | NVME_STATUS_DNR;
 	}
 
 	if (sqsize > mqes) {
@@ -162,14 +162,14 @@ static u16 nvmet_install_queue(struct nvmet_ctrl *ctrl, struct nvmet_req *req)
 				sqsize, mqes, ctrl->cntlid);
 		req->error_loc = offsetof(struct nvmf_connect_command, sqsize);
 		req->cqe->result.u32 = IPO_IATTR_CONNECT_SQE(sqsize);
-		return NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
+		return NVME_SC_CONNECT_INVALID_PARAM | NVME_STATUS_DNR;
 	}
 
 	old = cmpxchg(&req->sq->ctrl, NULL, ctrl);
 	if (old) {
 		pr_warn("queue already connected!\n");
 		req->error_loc = offsetof(struct nvmf_connect_command, opcode);
-		return NVME_SC_CONNECT_CTRL_BUSY | NVME_SC_DNR;
+		return NVME_SC_CONNECT_CTRL_BUSY | NVME_STATUS_DNR;
 	}
 
 	/* note: convert queue size from 0's-based value to 1's-based value */
@@ -229,14 +229,14 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
 		pr_warn("invalid connect version (%d).\n",
 			le16_to_cpu(c->recfmt));
 		req->error_loc = offsetof(struct nvmf_connect_command, recfmt);
-		status = NVME_SC_CONNECT_FORMAT | NVME_SC_DNR;
+		status = NVME_SC_CONNECT_FORMAT | NVME_STATUS_DNR;
 		goto out;
 	}
 
 	if (unlikely(d->cntlid != cpu_to_le16(0xffff))) {
 		pr_warn("connect attempt for invalid controller ID %#x\n",
 			d->cntlid);
-		status = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
+		status = NVME_SC_CONNECT_INVALID_PARAM | NVME_STATUS_DNR;
 		req->cqe->result.u32 = IPO_IATTR_CONNECT_DATA(cntlid);
 		goto out;
 	}
@@ -258,7 +258,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
 		       dhchap_status);
 		nvmet_ctrl_put(ctrl);
 		if (dhchap_status == NVME_AUTH_DHCHAP_FAILURE_FAILED)
-			status = (NVME_SC_CONNECT_INVALID_HOST | NVME_SC_DNR);
+			status = (NVME_SC_CONNECT_INVALID_HOST | NVME_STATUS_DNR);
 		else
 			status = NVME_SC_INTERNAL;
 		goto out;
@@ -306,7 +306,7 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
 	if (c->recfmt != 0) {
 		pr_warn("invalid connect version (%d).\n",
 			le16_to_cpu(c->recfmt));
-		status = NVME_SC_CONNECT_FORMAT | NVME_SC_DNR;
+		status = NVME_SC_CONNECT_FORMAT | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -315,13 +315,13 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
 	ctrl = nvmet_ctrl_find_get(d->subsysnqn, d->hostnqn,
 				   le16_to_cpu(d->cntlid), req);
 	if (!ctrl) {
-		status = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
+		status = NVME_SC_CONNECT_INVALID_PARAM | NVME_STATUS_DNR;
 		goto out;
 	}
 
 	if (unlikely(qid > ctrl->subsys->max_qid)) {
 		pr_warn("invalid queue id (%d)\n", qid);
-		status = NVME_SC_CONNECT_INVALID_PARAM | NVME_SC_DNR;
+		status = NVME_SC_CONNECT_INVALID_PARAM | NVME_STATUS_DNR;
 		req->cqe->result.u32 = IPO_IATTR_CONNECT_SQE(qid);
 		goto out_ctrl_put;
 	}
@@ -351,13 +351,13 @@ u16 nvmet_parse_connect_cmd(struct nvmet_req *req)
 		pr_debug("invalid command 0x%x on unconnected queue.\n",
 			cmd->fabrics.opcode);
 		req->error_loc = offsetof(struct nvme_common_command, opcode);
-		return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+		return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 	}
 	if (cmd->fabrics.fctype != nvme_fabrics_type_connect) {
 		pr_debug("invalid capsule type 0x%x on unconnected queue.\n",
 			cmd->fabrics.fctype);
 		req->error_loc = offsetof(struct nvmf_common_command, fctype);
-		return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+		return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 	}
 
 	if (cmd->connect.qid == 0)
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index c0b342cc93db3..e8e9e9a444bea 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -133,11 +133,11 @@ u16 blk_to_nvme_status(struct nvmet_req *req, blk_status_t blk_sts)
 	 */
 	switch (blk_sts) {
 	case BLK_STS_NOSPC:
-		status = NVME_SC_CAP_EXCEEDED | NVME_SC_DNR;
+		status = NVME_SC_CAP_EXCEEDED | NVME_STATUS_DNR;
 		req->error_loc = offsetof(struct nvme_rw_command, length);
 		break;
 	case BLK_STS_TARGET:
-		status = NVME_SC_LBA_RANGE | NVME_SC_DNR;
+		status = NVME_SC_LBA_RANGE | NVME_STATUS_DNR;
 		req->error_loc = offsetof(struct nvme_rw_command, slba);
 		break;
 	case BLK_STS_NOTSUPP:
@@ -145,10 +145,10 @@ u16 blk_to_nvme_status(struct nvmet_req *req, blk_status_t blk_sts)
 		switch (req->cmd->common.opcode) {
 		case nvme_cmd_dsm:
 		case nvme_cmd_write_zeroes:
-			status = NVME_SC_ONCS_NOT_SUPPORTED | NVME_SC_DNR;
+			status = NVME_SC_ONCS_NOT_SUPPORTED | NVME_STATUS_DNR;
 			break;
 		default:
-			status = NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+			status = NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 		}
 		break;
 	case BLK_STS_MEDIUM:
@@ -157,7 +157,7 @@ u16 blk_to_nvme_status(struct nvmet_req *req, blk_status_t blk_sts)
 		break;
 	case BLK_STS_IOERR:
 	default:
-		status = NVME_SC_INTERNAL | NVME_SC_DNR;
+		status = NVME_SC_INTERNAL | NVME_STATUS_DNR;
 		req->error_loc = offsetof(struct nvme_common_command, opcode);
 	}
 
@@ -354,7 +354,7 @@ u16 nvmet_bdev_flush(struct nvmet_req *req)
 		return 0;
 
 	if (blkdev_issue_flush(req->ns->bdev))
-		return NVME_SC_INTERNAL | NVME_SC_DNR;
+		return NVME_SC_INTERNAL | NVME_STATUS_DNR;
 	return 0;
 }
 
diff --git a/drivers/nvme/target/passthru.c b/drivers/nvme/target/passthru.c
index d4a61645d61a5..05febc5e6b21d 100644
--- a/drivers/nvme/target/passthru.c
+++ b/drivers/nvme/target/passthru.c
@@ -306,7 +306,7 @@ static void nvmet_passthru_execute_cmd(struct nvmet_req *req)
 		ns = nvme_find_get_ns(ctrl, nsid);
 		if (unlikely(!ns)) {
 			pr_err("failed to get passthru ns nsid:%u\n", nsid);
-			status = NVME_SC_INVALID_NS | NVME_SC_DNR;
+			status = NVME_SC_INVALID_NS | NVME_STATUS_DNR;
 			goto out;
 		}
 
@@ -426,7 +426,7 @@ u16 nvmet_parse_passthru_io_cmd(struct nvmet_req *req)
 		 * emulated in the future if regular targets grow support for
 		 * this feature.
 		 */
-		return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+		return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 	}
 
 	return nvmet_setup_passthru_command(req);
@@ -478,7 +478,7 @@ static u16 nvmet_passthru_get_set_features(struct nvmet_req *req)
 	case NVME_FEAT_RESV_PERSIST:
 		/* No reservations, see nvmet_parse_passthru_io_cmd() */
 	default:
-		return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+		return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 	}
 }
 
@@ -546,7 +546,7 @@ u16 nvmet_parse_passthru_admin_cmd(struct nvmet_req *req)
 				req->p.use_workqueue = true;
 				return NVME_SC_SUCCESS;
 			}
-			return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+			return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 		case NVME_ID_CNS_NS:
 			req->execute = nvmet_passthru_execute_cmd;
 			req->p.use_workqueue = true;
@@ -558,7 +558,7 @@ u16 nvmet_parse_passthru_admin_cmd(struct nvmet_req *req)
 				req->p.use_workqueue = true;
 				return NVME_SC_SUCCESS;
 			}
-			return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
+			return NVME_SC_INVALID_OPCODE | NVME_STATUS_DNR;
 		default:
 			return nvmet_setup_passthru_command(req);
 		}
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 537e9fcd458d0..32632e8af832d 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -853,12 +853,12 @@ static u16 nvmet_rdma_map_sgl_inline(struct nvmet_rdma_rsp *rsp)
 	if (!nvme_is_write(rsp->req.cmd)) {
 		rsp->req.error_loc =
 			offsetof(struct nvme_common_command, opcode);
-		return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 	}
 
 	if (off + len > rsp->queue->dev->inline_data_size) {
 		pr_err("invalid inline data offset!\n");
-		return NVME_SC_SGL_INVALID_OFFSET | NVME_SC_DNR;
+		return NVME_SC_SGL_INVALID_OFFSET | NVME_STATUS_DNR;
 	}
 
 	/* no data command? */
@@ -922,7 +922,7 @@ static u16 nvmet_rdma_map_sgl(struct nvmet_rdma_rsp *rsp)
 			pr_err("invalid SGL subtype: %#x\n", sgl->type);
 			rsp->req.error_loc =
 				offsetof(struct nvme_common_command, dptr);
-			return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+			return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		}
 	case NVME_KEY_SGL_FMT_DATA_DESC:
 		switch (sgl->type & 0xf) {
@@ -934,12 +934,12 @@ static u16 nvmet_rdma_map_sgl(struct nvmet_rdma_rsp *rsp)
 			pr_err("invalid SGL subtype: %#x\n", sgl->type);
 			rsp->req.error_loc =
 				offsetof(struct nvme_common_command, dptr);
-			return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+			return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		}
 	default:
 		pr_err("invalid SGL type: %#x\n", sgl->type);
 		rsp->req.error_loc = offsetof(struct nvme_common_command, dptr);
-		return NVME_SC_SGL_INVALID_TYPE | NVME_SC_DNR;
+		return NVME_SC_SGL_INVALID_TYPE | NVME_STATUS_DNR;
 	}
 }
 
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 0b6c3241a2559..b053d9fee1d4a 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -420,10 +420,10 @@ static int nvmet_tcp_map_data(struct nvmet_tcp_cmd *cmd)
 	if (sgl->type == ((NVME_SGL_FMT_DATA_DESC << 4) |
 			  NVME_SGL_FMT_OFFSET)) {
 		if (!nvme_is_write(cmd->req.cmd))
-			return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+			return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 
 		if (len > cmd->req.port->inline_data_size)
-			return NVME_SC_SGL_INVALID_OFFSET | NVME_SC_DNR;
+			return NVME_SC_SGL_INVALID_OFFSET | NVME_STATUS_DNR;
 		cmd->pdu_len = len;
 	}
 	cmd->req.transfer_len += len;
diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c
index 5b5c1e4817221..b7c88c869b51f 100644
--- a/drivers/nvme/target/zns.c
+++ b/drivers/nvme/target/zns.c
@@ -104,7 +104,7 @@ void nvmet_execute_identify_ns_zns(struct nvmet_req *req)
 
 	if (le32_to_cpu(req->cmd->identify.nsid) == NVME_NSID_ALL) {
 		req->error_loc = offsetof(struct nvme_identify, nsid);
-		status = NVME_SC_INVALID_NS | NVME_SC_DNR;
+		status = NVME_SC_INVALID_NS | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -125,7 +125,7 @@ void nvmet_execute_identify_ns_zns(struct nvmet_req *req)
 	}
 
 	if (!bdev_is_zoned(req->ns->bdev)) {
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		req->error_loc = offsetof(struct nvme_identify, nsid);
 		goto out;
 	}
@@ -162,17 +162,17 @@ static u16 nvmet_bdev_validate_zone_mgmt_recv(struct nvmet_req *req)
 
 	if (sect >= get_capacity(req->ns->bdev->bd_disk)) {
 		req->error_loc = offsetof(struct nvme_zone_mgmt_recv_cmd, slba);
-		return NVME_SC_LBA_RANGE | NVME_SC_DNR;
+		return NVME_SC_LBA_RANGE | NVME_STATUS_DNR;
 	}
 
 	if (out_bufsize < sizeof(struct nvme_zone_report)) {
 		req->error_loc = offsetof(struct nvme_zone_mgmt_recv_cmd, numd);
-		return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 	}
 
 	if (req->cmd->zmr.zra != NVME_ZRA_ZONE_REPORT) {
 		req->error_loc = offsetof(struct nvme_zone_mgmt_recv_cmd, zra);
-		return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 	}
 
 	switch (req->cmd->zmr.pr) {
@@ -181,7 +181,7 @@ static u16 nvmet_bdev_validate_zone_mgmt_recv(struct nvmet_req *req)
 		break;
 	default:
 		req->error_loc = offsetof(struct nvme_zone_mgmt_recv_cmd, pr);
-		return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 	}
 
 	switch (req->cmd->zmr.zrasf) {
@@ -197,7 +197,7 @@ static u16 nvmet_bdev_validate_zone_mgmt_recv(struct nvmet_req *req)
 	default:
 		req->error_loc =
 			offsetof(struct nvme_zone_mgmt_recv_cmd, zrasf);
-		return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 	}
 
 	return NVME_SC_SUCCESS;
@@ -345,7 +345,7 @@ static u16 blkdev_zone_mgmt_errno_to_nvme_status(int ret)
 		return NVME_SC_SUCCESS;
 	case -EINVAL:
 	case -EIO:
-		return NVME_SC_ZONE_INVALID_TRANSITION | NVME_SC_DNR;
+		return NVME_SC_ZONE_INVALID_TRANSITION | NVME_STATUS_DNR;
 	default:
 		return NVME_SC_INTERNAL;
 	}
@@ -468,7 +468,7 @@ static u16 nvmet_bdev_execute_zmgmt_send_all(struct nvmet_req *req)
 	default:
 		/* this is needed to quiet compiler warning */
 		req->error_loc = offsetof(struct nvme_zone_mgmt_send_cmd, zsa);
-		return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		return NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 	}
 
 	return NVME_SC_SUCCESS;
@@ -486,7 +486,7 @@ static void nvmet_bdev_zmgmt_send_work(struct work_struct *w)
 
 	if (op == REQ_OP_LAST) {
 		req->error_loc = offsetof(struct nvme_zone_mgmt_send_cmd, zsa);
-		status = NVME_SC_ZONE_INVALID_TRANSITION | NVME_SC_DNR;
+		status = NVME_SC_ZONE_INVALID_TRANSITION | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -498,13 +498,13 @@ static void nvmet_bdev_zmgmt_send_work(struct work_struct *w)
 
 	if (sect >= get_capacity(bdev->bd_disk)) {
 		req->error_loc = offsetof(struct nvme_zone_mgmt_send_cmd, slba);
-		status = NVME_SC_LBA_RANGE | NVME_SC_DNR;
+		status = NVME_SC_LBA_RANGE | NVME_STATUS_DNR;
 		goto out;
 	}
 
 	if (sect & (zone_sectors - 1)) {
 		req->error_loc = offsetof(struct nvme_zone_mgmt_send_cmd, slba);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -556,13 +556,13 @@ void nvmet_bdev_execute_zone_append(struct nvmet_req *req)
 
 	if (sect >= get_capacity(req->ns->bdev->bd_disk)) {
 		req->error_loc = offsetof(struct nvme_rw_command, slba);
-		status = NVME_SC_LBA_RANGE | NVME_SC_DNR;
+		status = NVME_SC_LBA_RANGE | NVME_STATUS_DNR;
 		goto out;
 	}
 
 	if (sect & (bdev_zone_sectors(req->ns->bdev) - 1)) {
 		req->error_loc = offsetof(struct nvme_rw_command, slba);
-		status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
+		status = NVME_SC_INVALID_FIELD | NVME_STATUS_DNR;
 		goto out;
 	}
 
@@ -595,7 +595,7 @@ void nvmet_bdev_execute_zone_append(struct nvmet_req *req)
 	}
 
 	if (total_len != nvmet_rw_data_len(req)) {
-		status = NVME_SC_INTERNAL | NVME_SC_DNR;
+		status = NVME_SC_INTERNAL | NVME_STATUS_DNR;
 		goto out_put_bio;
 	}
 
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 3aa93fe6b3bca..8e4906c265935 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -1995,9 +1995,9 @@ enum {
 	NVME_SCT_MASK			= 0x0700, /* Status Code Type */
 	NVME_SCT_SC_MASK		= NVME_SCT_MASK | NVME_SC_MASK,
 
-	NVME_SC_CRD			= 0x1800, /* Command Retry Delayed */
-	NVME_SC_MORE			= 0x2000,
-	NVME_SC_DNR			= 0x4000, /* Do Not Retry */
+	NVME_STATUS_CRD			= 0x1800, /* Command Retry Delayed */
+	NVME_STATUS_MORE		= 0x2000,
+	NVME_STATUS_DNR			= 0x4000, /* Do Not Retry */
 };
 
 #define NVME_SCT(status) ((status) >> 8 & 7)
-- 
2.53.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH 6.6.y 4/4] nvmet-tcp: bound SGL data length before allocating command buffers
  2026-08-26 12:57 ` [PATCH 6.6.y 1/4] nvme: rename nvme_sc_to_pr_err to nvme_status_to_pr_err Sasha Levin
  2026-08-26 12:57   ` [PATCH 6.6.y 2/4] nvme: fix status magic numbers Sasha Levin
  2026-08-26 12:57   ` [PATCH 6.6.y 3/4] nvme: rename CDR/MORE/DNR to NVME_STATUS_* Sasha Levin
@ 2026-08-26 12:57   ` Sasha Levin
  2 siblings, 0 replies; 5+ messages in thread
From: Sasha Levin @ 2026-08-26 12:57 UTC (permalink / raw)
  To: stable; +Cc: Ibrahim Hashimov, Christoph Hellwig, Keith Busch, Sasha Levin

From: Ibrahim Hashimov <security@auditcode.ai>

[ Upstream commit 4a3f00262a044e8e15064b1a6860968bf0500bf4 ]

nvmet_tcp_map_data() reads the host-controlled 32-bit sgl->length
and, for the in-capsule offset descriptor (type 0x01), checks it
against port->inline_data_size before use. Any other SGL descriptor
type -- including the non-inline transport SGL data-block descriptor
(type (NVME_TRANSPORT_SGL_DATA_DESC << 4) | NVME_SGL_FMT_TRANSPORT_A,
the type a real host uses for out-of-capsule writes) skips that check
entirely and falls straight through to:

	cmd->req.sg = sgl_alloc(len, GFP_KERNEL, &cmd->req.sg_cnt);

with len taken directly from the wire, unbounded up to 4 GiB.

nvmet_req_init() only parses the command and never inspects
sgl->length, and nvmet_check_transfer_len() -- the only other place
transfer_len is validated -- runs later, from req->execute(), after
the allocation has already happened. For a write command the target
responds with an R2T and parks the command waiting for the host to
send the data; if the host (or an unauthenticated peer that simply
never follows up) never does, the sgl_alloc() buffer stays resident
for the life of the command. NVMe/TCP has no mandatory authentication
in the default configuration, so any peer able to reach the target
portal and complete a Fabrics connect can drive this with a single
crafted command, repeatable across queues and connections for
amplification. This is unbounded kernel memory allocation
triggered by a remote, effectively unauthenticated peer.

Validate len against the same NVMET_TCP_MAXH2CDATA ceiling this file
already uses to bound per-PDU H2C data, for every SGL descriptor type,
before doing any allocation. This closes the gap for the non-inline
descriptor while leaving the existing, tighter inline_data_size check
in place for the in-capsule case.

Runtime-verified on a v6.19 KASAN stand: with this bound in place, a
crafted write command carrying an oversized non-inline SGL length is
rejected before sgl_alloc() runs, where the same request previously
drove an unbounded ~256 MiB kernel allocation (up to 4 GiB) that
stayed resident pending an R2T the host never satisfies.

Fixes: 872d26a391da ("nvmet-tcp: add NVMe over TCP target driver")
Cc: stable@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ibrahim Hashimov <security@auditcode.ai>
Assisted-by: AuditCode-AI:2026.07
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/nvme/target/tcp.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index b053d9fee1d4a..bec17b85dc945 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -417,6 +417,19 @@ static int nvmet_tcp_map_data(struct nvmet_tcp_cmd *cmd)
 	if (!len)
 		return 0;
 
+	/*
+	 * inline_data_size only bounds the in-capsule (type 0x01) SGL
+	 * descriptor below. A non-inline transport SGL data-block
+	 * descriptor skips that check entirely and would otherwise reach
+	 * sgl_alloc() with an attacker-controlled len of up to 4 GiB,
+	 * pinning that much kernel memory for a command that may never
+	 * complete. Bound every descriptor type here, before allocating
+	 * anything, using the same ceiling this file already applies to
+	 * per-PDU H2C data.
+	 */
+	if (len > NVMET_TCP_MAXH2CDATA)
+		return NVME_SC_SGL_INVALID_DATA | NVME_STATUS_DNR;
+
 	if (sgl->type == ((NVME_SGL_FMT_DATA_DESC << 4) |
 			  NVME_SGL_FMT_OFFSET)) {
 		if (!nvme_is_write(cmd->req.cmd))
-- 
2.53.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2026-08-26 12:57 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-08-25  8:07 FAILED: patch "[PATCH] nvmet-tcp: bound SGL data length before allocating command" failed to apply to 6.6-stable tree gregkh
2026-08-26 12:57 ` [PATCH 6.6.y 1/4] nvme: rename nvme_sc_to_pr_err to nvme_status_to_pr_err Sasha Levin
2026-08-26 12:57   ` [PATCH 6.6.y 2/4] nvme: fix status magic numbers Sasha Levin
2026-08-26 12:57   ` [PATCH 6.6.y 3/4] nvme: rename CDR/MORE/DNR to NVME_STATUS_* Sasha Levin
2026-08-26 12:57   ` [PATCH 6.6.y 4/4] nvmet-tcp: bound SGL data length before allocating command buffers Sasha Levin

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