Re: [PATCH net] vsock: prevent unnecessary refcnt inc for nonblocking connect

[Stefano Garzarella]

On Sun, Nov 07, 2021 at 12:03:04PM +0000, Eiichi Tsukata wrote:
> Currently vosck_connect() increments sock refcount for nonblocking
> socket each time it's called, which can lead to memory leak if
> it's called multiple times because connect timeout function decrements
> sock refcount only once.
>
> Fixes it by making vsock_connect() return -EALREADY immediately when
> sock state is already SS_CONNECTING.
>
> Signed-off-by: Eiichi Tsukata <eiichi.tsukata@xxxxxxxxxxx>
> ---
> net/vmw_vsock/af_vsock.c | 2 ++
> 1 file changed, 2 insertions(+)

Make sense to me, thanks for fixing this issue!
I think would be better to add the Fixes ref in the commit message:

Fixes: d021c344051a ("VSOCK: Introduce VM Sockets")

With that:
Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>

Thanks,
Stefano