Re: [PATCH] vsock/vmci: Fix lockdep warnings

[Bryan Tan]

On Fri, Mar 13, 2026 at 4:30 PM Ian Forbes <ian.forbes@xxxxxxxxxxxx> wrote:
>
> We are taking the same class of lock when accepting a new socket while
> holding the lock for the accepting socket itself. This pattern can be
> found in many other net drivers so just copy what they are doing.
>
> Signed-off-by: Ian Forbes <ian.forbes@xxxxxxxxxxxx>
> ---
>  net/vmw_vsock/vmci_transport.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
> index 4296ca1183f1..3176cc8af2c7 100644
> --- a/net/vmw_vsock/vmci_transport.c
> +++ b/net/vmw_vsock/vmci_transport.c
> @@ -964,7 +964,7 @@ static int vmci_transport_recv_listen(struct sock *sk,
>          */
>         pending = vmci_transport_get_pending(sk, pkt);
>         if (pending) {
> -               lock_sock(pending);
> +               lock_sock_nested(pending, SINGLE_DEPTH_NESTING);
>
>                 /* The local context ID may be out of date. */
>                 vsock_sk(pending)->local_addr.svm_cid = pkt->dg.dst.context;
> --
> 2.53.0
>

Acked-by: Bryan Tan <bryan-bt.tan@xxxxxxxxxxxx>

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