Commit 0ceeab96 authored by Logan Gunthorpe's avatar Logan Gunthorpe Committed by Jens Axboe
Browse files

nvmet-passthru: Reject commands with non-sgl flags set 



Any command with a non-SGL flag set (like fuse flags) should be
rejected.

Fixes: c1fef73f ("nvmet: add passthru code to process commands")
Signed-off-by: default avatarLogan Gunthorpe <logang@deltatee.com>
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 382fee1a

drivers/nvme/target/passthru.c

+8 −0
Original line number Diff line number Diff line
@@ -326,6 +326,10 @@ static u16 nvmet_setup_passthru_command(struct nvmet_req *req) 


u16 nvmet_parse_passthru_io_cmd(struct nvmet_req *req)

{

	/* Reject any commands with non-sgl flags set (ie. fused commands) */

	if (req->cmd->common.flags & ~NVME_CMD_SGL_ALL)

		return NVME_SC_INVALID_FIELD;



	switch (req->cmd->common.opcode) {

	case nvme_cmd_resv_register:

	case nvme_cmd_resv_report:
@@ -396,6 +400,10 @@ static u16 nvmet_passthru_get_set_features(struct nvmet_req *req) 


u16 nvmet_parse_passthru_admin_cmd(struct nvmet_req *req)

{

	/* Reject any commands with non-sgl flags set (ie. fused commands) */

	if (req->cmd->common.flags & ~NVME_CMD_SGL_ALL)

		return NVME_SC_INVALID_FIELD;



	/*

	 * Passthru all vendor specific commands

	 */