This is a note to let you know that I've just added the patch titled
[PATCH 026/135] cxlflash: a couple off by one bugs
to the 4.4-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:
0026-cxlflash-a-couple-off-by-one-bugs.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c4eae6df9efb902a57ef0282ba6012d05ad53979 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Wed, 2 Dec 2015 17:26:28 -0600
Subject: [PATCH 026/135] cxlflash: a couple off by one bugs
[ Upstream commit e37390bee6fe7dfbe507a9d50cdc11344b53fa08 ]
The "> MAX_CONTEXT" should be ">= MAX_CONTEXT". Otherwise we go one
step beyond the end of the cfg->ctx_tbl[] array.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: Manoj Kumar <manoj@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
Acked-by: Matthew R. Ochs <mrochs@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/cxlflash/superpipe.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/scsi/cxlflash/superpipe.c
+++ b/drivers/scsi/cxlflash/superpipe.c
@@ -1380,7 +1380,7 @@ static int cxlflash_disk_attach(struct s
}
ctxid = cxl_process_element(ctx);
- if (unlikely((ctxid > MAX_CONTEXT) || (ctxid < 0))) {
+ if (unlikely((ctxid >= MAX_CONTEXT) || (ctxid < 0))) {
dev_err(dev, "%s: ctxid (%d) invalid!\n", __func__, ctxid);
rc = -EPERM;
goto err2;
@@ -1508,7 +1508,7 @@ static int recover_context(struct cxlfla
}
ctxid = cxl_process_element(ctx);
- if (unlikely((ctxid > MAX_CONTEXT) || (ctxid < 0))) {
+ if (unlikely((ctxid >= MAX_CONTEXT) || (ctxid < 0))) {
dev_err(dev, "%s: ctxid (%d) invalid!\n", __func__, ctxid);
rc = -EPERM;
goto err1;
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-4.4/0026-cxlflash-a-couple-off-by-one-bugs.patch
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