This is a note to let you know that I've just added the patch titled ksmbd: switch to use kmemdup_nul() helper 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: ksmbd-switch-to-use-kmemdup_nul-helper.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. commit 61a8df80b1a0ba0280d148df81a0403dba06f67e Author: Yang Yingliang <yangyingliang@xxxxxxxxxx> Date: Sun Dec 31 16:12:53 2023 +0900 ksmbd: switch to use kmemdup_nul() helper [ Upstream commit 084ba46fc41c21ba827fd92e61f78def7a6e52ea ] Use kmemdup_nul() helper instead of open-coding to simplify the code. Acked-by: Namjae Jeon <linkinjeon@xxxxxxxxxx> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/fs/smb/server/asn1.c b/fs/smb/server/asn1.c index cc6384f796759..4a4b2b03ff33d 100644 --- a/fs/smb/server/asn1.c +++ b/fs/smb/server/asn1.c @@ -214,12 +214,10 @@ static int ksmbd_neg_token_alloc(void *context, size_t hdrlen, { struct ksmbd_conn *conn = context; - conn->mechToken = kmalloc(vlen + 1, GFP_KERNEL); + conn->mechToken = kmemdup_nul(value, vlen, GFP_KERNEL); if (!conn->mechToken) return -ENOMEM; - memcpy(conn->mechToken, value, vlen); - conn->mechToken[vlen] = '\0'; return 0; }