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[ Upstream commitad8a722035] The "42f5cda5eaf4" commit rightly set SOCK_DONE on peer shutdown, but there is an issue if we receive the SHUTDOWN(RDWR) while the virtio_transport_close_timeout() is scheduled. In this case, when the timeout fires, the SOCK_DONE is already set and the virtio_transport_close_timeout() will not call virtio_transport_reset() and virtio_transport_do_close(). This causes that both sockets remain open and will never be released, preventing the unloading of [virtio|vhost]_transport modules. This patch fixes this issue, calling virtio_transport_reset() and virtio_transport_do_close() when we receive the SHUTDOWN(RDWR) and there is nothing left to read. Fixes:42f5cda5ea("vsock/virtio: set SOCK_DONE on peer shutdown") Cc: Stephen Barber <smbarber@chromium.org> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.