This is a note to let you know that I've just added the patch titled
nvmem: brcm_nvram: Add check for kzalloc
to the 6.1-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:
nvmem-brcm_nvram-add-check-for-kzalloc.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b0576ade3aaf24b376ea1a4406ae138e2a22b0c0 Mon Sep 17 00:00:00 2001
From: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date: Fri, 27 Jan 2023 10:40:06 +0000
Subject: nvmem: brcm_nvram: Add check for kzalloc
From: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
commit b0576ade3aaf24b376ea1a4406ae138e2a22b0c0 upstream.
Add the check for the return value of kzalloc in order to avoid
NULL pointer dereference.
Fixes: 6e977eaa8280 ("nvmem: brcm_nvram: parse NVRAM content into NVMEM cells")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230127104015.23839-2-srinivas.kandagatla@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/nvmem/brcm_nvram.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/nvmem/brcm_nvram.c
+++ b/drivers/nvmem/brcm_nvram.c
@@ -97,6 +97,9 @@ static int brcm_nvram_parse(struct brcm_
len = le32_to_cpu(header.len);
data = kzalloc(len, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
memcpy_fromio(data, priv->base, len);
data[len - 1] = '\0';
Patches currently in stable-queue which might be from jiasheng@xxxxxxxxxxx are
queue-6.1/nvmem-brcm_nvram-add-check-for-kzalloc.patch
