This is a note to let you know that I've just added the patch titled
lockd: Update the NLMv1 SM_NOTIFY arguments decoder to use struct xdr_stream
to the 5.10-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:
lockd-update-the-nlmv1-sm_notify-arguments-decoder-t.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b9760077e058bba40bdcc0cc372f8a9d8d3f9c5d
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date: Thu Jun 3 16:51:34 2021 -0400
lockd: Update the NLMv1 SM_NOTIFY arguments decoder to use struct xdr_stream
[ Upstream commit 137e05e2f735f696e117553f7fa5ef8fb09953e1 ]
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index 911b6377a6da4..421613170e5f9 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -313,6 +313,32 @@ nlmsvc_decode_res(struct svc_rqst *rqstp, __be32 *p)
return 1;
}
+int
+nlmsvc_decode_reboot(struct svc_rqst *rqstp, __be32 *p)
+{
+ struct xdr_stream *xdr = &rqstp->rq_arg_stream;
+ struct nlm_reboot *argp = rqstp->rq_argp;
+ u32 len;
+
+ if (xdr_stream_decode_u32(xdr, &len) < 0)
+ return 0;
+ if (len > SM_MAXSTRLEN)
+ return 0;
+ p = xdr_inline_decode(xdr, len);
+ if (!p)
+ return 0;
+ argp->len = len;
+ argp->mon = (char *)p;
+ if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
+ return 0;
+ p = xdr_inline_decode(xdr, SM_PRIV_SIZE);
+ if (!p)
+ return 0;
+ memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
+
+ return 1;
+}
+
int
nlmsvc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
{
@@ -380,19 +406,6 @@ nlmsvc_decode_notify(struct svc_rqst *rqstp, __be32 *p)
return xdr_argsize_check(rqstp, p);
}
-int
-nlmsvc_decode_reboot(struct svc_rqst *rqstp, __be32 *p)
-{
- struct nlm_reboot *argp = rqstp->rq_argp;
-
- if (!(p = xdr_decode_string_inplace(p, &argp->mon, &argp->len, SM_MAXSTRLEN)))
- return 0;
- argp->state = ntohl(*p++);
- memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
- p += XDR_QUADLEN(SM_PRIV_SIZE);
- return xdr_argsize_check(rqstp, p);
-}
-
int
nlmsvc_encode_void(struct svc_rqst *rqstp, __be32 *p)
{
