Re: [PATCH net v3 3/3] vsock: Fix IOCTL_VM_SOCKETS_GET_LOCAL_CID to check also `transport_local`
From: Stefano Garzarella
Date: Thu Jul 03 2025 - 04:24:06 EST
On Wed, Jul 02, 2025 at 03:38:45PM +0200, Michal Luczaj wrote:
Support returning VMADDR_CID_LOCAL in case no other vsock transport is
available.
Fixes: 0e12190578d0 ("vsock: add local transport support in the vsock core")
Suggested-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
Signed-off-by: Michal Luczaj <mhal@xxxxxxx>
---
net/vmw_vsock/af_vsock.c | 2 ++
1 file changed, 2 insertions(+)
Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 9b2af5c63f7c2ae575c160415bd77208a3980835..c8398f9cec5296e07395df8e7ad0f52b8ceb65d5 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -2581,6 +2581,8 @@ static long vsock_dev_do_ioctl(struct file *filp,
cid = vsock_registered_transport_cid(&transport_g2h);
if (cid == VMADDR_CID_ANY)
cid = vsock_registered_transport_cid(&transport_h2g);
+ if (cid == VMADDR_CID_ANY)
+ cid = vsock_registered_transport_cid(&transport_local);
if (put_user(cid, p) != 0)
retval = -EFAULT;
--
2.49.0