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authorMaurizio Lombardi <mlombard@redhat.com>2024-08-29 11:52:14 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-09-12 11:13:13 +0200
commit5ac3d0a487d166b6cbb0494644cabb5ef58d12b3 (patch)
tree3758d683719e77ea26cd1172508acf023229b822
parent2443c10be369aae4e4dadc0fb5fc80b809d28dd1 (diff)
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nvmet: Identify-Active Namespace ID List command should reject invalid nsid
[ Upstream commit 899d2e5a4e3d36689e8938e152f4b69a4bcc6b4d ] 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: a07b4970f464 ("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> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/nvme/target/admin-cmd.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index f7e1156ac7ec..85006b2df8ae 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -587,6 +587,16 @@ static void nvmet_execute_identify_nslist(struct nvmet_req *req)
u16 status = 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);
if (!list) {
status = NVME_SC_INTERNAL;