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nvmet: Identify-Active Namespace ID List command should reject invalid nsid

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nsid values of 0xFFFFFFFE and 0XFFFFFFFF should be rejected with
a status code of "Invalid Namespace or Format".
See NVMe Base Specification, Active Namespace ID list (CNS 02h).

Fixes: a07b4970f4 ("nvmet: add a generic NVMe target")
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Maurizio Lombardi
2024-08-29 11:52:14 +02:00
committed by Keith Busch
parent 28982ad73d
commit 899d2e5a4e
1 changed files with 10 additions and 0 deletions
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drivers/nvme/target/admin-cmd.c
+10
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@@ -587,6 +587,16 @@ static void nvmet_execute_identify_nslist(struct nvmet_req *req)
u16 status = 0; u16 status = 0;
int i = 0; int i = 0;
/*
* NSID values 0xFFFFFFFE and NVME_NSID_ALL are invalid
* See NVMe Base Specification, Active Namespace ID list (CNS 02h).
*/
if (min_nsid == 0xFFFFFFFE || min_nsid == NVME_NSID_ALL) {
req->error_loc = offsetof(struct nvme_identify, nsid);
status = NVME_SC_INVALID_NS | NVME_STATUS_DNR;
goto out;
}
list = kzalloc(buf_size, GFP_KERNEL); list = kzalloc(buf_size, GFP_KERNEL);
if (!list) { if (!list) {
status = NVME_SC_INTERNAL; status = NVME_SC_INTERNAL;