Patch "scsi: qedi: off by one in qedi_get_cmd_from_tid()" has been added to the 4.13-stable tree

Patch "scsi: qedi: off by one in qedi_get_cmd_from_tid()" has been added to the 4.13-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    scsi: qedi: off by one in qedi_get_cmd_from_tid()

to the 4.13-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     scsi-qedi-off-by-one-in-qedi_get_cmd_from_tid.patch
and it can be found in the queue-4.13 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From fa2d9d6e894e096678a50ef0f65f7a8c3d8a40b8 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 25 Aug 2017 13:36:57 +0300
Subject: scsi: qedi: off by one in qedi_get_cmd_from_tid()

From: Dan Carpenter <dan.carpenter@oracle.com>

commit fa2d9d6e894e096678a50ef0f65f7a8c3d8a40b8 upstream.

The > here should be >= or we end up reading one element beyond the end
of the qedi->itt_map[] array.  The qedi->itt_map[] array is allocated in
qedi_alloc_itt().

Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/scsi/qedi/qedi_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -1575,7 +1575,7 @@ struct qedi_cmd *qedi_get_cmd_from_tid(s
 {
 	struct qedi_cmd *cmd = NULL;
 
-	if (tid > MAX_ISCSI_TASK_ENTRIES)
+	if (tid >= MAX_ISCSI_TASK_ENTRIES)
 		return NULL;
 
 	cmd = qedi->itt_map[tid].p_cmd;


Patches currently in stable-queue which might be from dan.carpenter@oracle.com are

queue-4.13/scsi-qedi-off-by-one-in-qedi_get_cmd_from_tid.patch