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e3e19dcc4c
When a port is removed through configfs, any connected controllers are starting teardown flow asynchronously and can still send commands. This causes a use-after-free bug for any command that dereferences req->port (like in nvmet_parse_io_cmd). To fix this, wait for all the teardown scheduled works to complete (like release_work at rdma/tcp drivers). This ensures there are no active controllers when the port is eventually removed. Signed-off-by: Israel Rukshin <israelr@nvidia.com> Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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.
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.