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Alexandra Diupina authored
commit 8366d1f1 upstream.

Add a check for the command slot value to avoid dereferencing a NULL
pointer.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 1da177e4 ("Linux-2.6.12-rc2")
Co-developed-by: default avatarVladimir Telezhnikov <vtelezhnikov@astralinux.ru>
Signed-off-by: default avatarVladimir Telezhnikov <vtelezhnikov@astralinux.ru>
Signed-off-by: default avatarAlexandra Diupina <adiupina@astralinux.ru>
Link: https://lore.kernel.org/r/20230728123521.18293-1-adiupina@astralinux.ru


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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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.