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1d7e45abc3
In a multi kctx scenario, the kobj is freed when one kctx is released,
but the node remains. Accessing it leads to a use-after-free
(invalid pointer) issue.
Fixes: fe59c73bbf ("MALI: bifrost: Optimize gpu mem sysfs entry")
Signed-off-by: Weixin Zhou <zwx@rock-chips.com>
Change-Id: I9d00b660c4ca4693606fbf4f70888cf6809a781d
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.