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Patch "vsock/virtio: fix src/dst cid format" has been added to the 4.8-stable tree

PATCH [email protected] 1 participant 1 message Jan 6, 2017

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Networking Stable branch virtio core VM sockets (AF_VSOCK) +1 more subsystems
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This is a note to let you know that I've just added the patch titled

vsock/virtio: fix src/dst cid format

to the 4.8-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:
vsock-virtio-fix-src-dst-cid-format.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From f83f12d660d11718d3eed9d979ee03e83aa55544 Mon Sep 17 00:00:00 2001

From: "Michael S. Tsirkin" <[email protected]>
Date: Tue, 6 Dec 2016 06:07:15 +0200
Subject: vsock/virtio: fix src/dst cid format

From: Michael S. Tsirkin <[email protected]>

commit f83f12d660d11718d3eed9d979ee03e83aa55544 upstream.

These fields are 64 bit, using le32_to_cpu and friends on these will not do the right thing.
Fix this up.

Signed-off-by Michael S. Tsirkin <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 net/vmw_vsock/virtio_transport_common.c |   14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)
net/vmw_vsock/virtio_transport_common.c +7 -7
@@ -606,9 +606,9 @@ static int virtio_transport_reset_no_soc
 		return 0;
 
 	pkt = virtio_transport_alloc_pkt(&info, 0,
-					 le32_to_cpu(pkt->hdr.dst_cid),
+					 le64_to_cpu(pkt->hdr.dst_cid),
 					 le32_to_cpu(pkt->hdr.dst_port),
-					 le32_to_cpu(pkt->hdr.src_cid),
+					 le64_to_cpu(pkt->hdr.src_cid),
 					 le32_to_cpu(pkt->hdr.src_port));
 	if (!pkt)
 		return -ENOMEM;

@@ -823,7 +823,7 @@ virtio_transport_send_response(struct vs
 	struct virtio_vsock_pkt_info info = {
 		.op = VIRTIO_VSOCK_OP_RESPONSE,
 		.type = VIRTIO_VSOCK_TYPE_STREAM,
-		.remote_cid = le32_to_cpu(pkt->hdr.src_cid),
+		.remote_cid = le64_to_cpu(pkt->hdr.src_cid),
 		.remote_port = le32_to_cpu(pkt->hdr.src_port),
 		.reply = true,
 	};

@@ -863,9 +863,9 @@ virtio_transport_recv_listen(struct sock
 	child->sk_state = SS_CONNECTED;
 
 	vchild = vsock_sk(child);
-	vsock_addr_init(&vchild->local_addr, le32_to_cpu(pkt->hdr.dst_cid),
+	vsock_addr_init(&vchild->local_addr, le64_to_cpu(pkt->hdr.dst_cid),
 			le32_to_cpu(pkt->hdr.dst_port));
-	vsock_addr_init(&vchild->remote_addr, le32_to_cpu(pkt->hdr.src_cid),
+	vsock_addr_init(&vchild->remote_addr, le64_to_cpu(pkt->hdr.src_cid),
 			le32_to_cpu(pkt->hdr.src_port));
 
 	vsock_insert_connected(vchild);

@@ -904,9 +904,9 @@ void virtio_transport_recv_pkt(struct vi
 	struct sock *sk;
 	bool space_available;
 
-	vsock_addr_init(&src, le32_to_cpu(pkt->hdr.src_cid),
+	vsock_addr_init(&src, le64_to_cpu(pkt->hdr.src_cid),
 			le32_to_cpu(pkt->hdr.src_port));
-	vsock_addr_init(&dst, le32_to_cpu(pkt->hdr.dst_cid),
+	vsock_addr_init(&dst, le64_to_cpu(pkt->hdr.dst_cid),
 			le32_to_cpu(pkt->hdr.dst_port));
 
 	trace_virtio_transport_recv_pkt(src.svm_cid, src.svm_port,

Patches currently in stable-queue which might be from [email protected] are

queue-4.8/vsock-virtio-fix-src-dst-cid-format.patch