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[ Upstream commit 35e8a426b16adbecae7a4e0e3c00fc8d0273db53 ] mei_cl_bus_dev_release() also frees the mei-client (struct mei_cl) belonging to the device being released. If there are bugs like the just fixed bug in the ACE/CSI2 mei drivers, the mei-client being freed might still be part of the mei_device's file_list and iterating over this list after the freeing will then trigger a use-afer-free bug. Add a check to mei_cl_bus_dev_release() to make sure that the to-be-freed mei-client is not on the mei_device's file_list. Signed-off-by: Hans de Goede <hansg@kernel.org> Link: https://lore.kernel.org/r/20250623085052.12347-11-hansg@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 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.
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.