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5aacc9d540
Even an 8-byte kzalloc will fail when we don't have enough memory, so we need a nullptr check and do the cleanup when it fails. Reported-by: eriri <1527030098@qq.com> Link: https://bugzilla.kernel.org/show_bug.cgi?id=217081 Signed-off-by: Kang Chen <void0red@gmail.com> Link: https://lore.kernel.org/r/20230225041149.136-1-void0red@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.