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cb35445052
commit 7fe28d7e68f92cc3d0668b8f2fbdf5c303ac3022 upstream. In all the vgic_its_save_*() functinos, they do not check whether the data length is 8 bytes before calling vgic_write_guest_lock. This patch adds the check. To prevent the kernel from being blown up when the fault occurs, KVM_BUG_ON() is used. And the other BUG_ON()s are replaced together. Cc: stable@vger.kernel.org Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com> [Jing: Update with the new entry read/write helpers] Signed-off-by: Jing Zhang <jingzhangos@google.com> Link: https://lore.kernel.org/r/20241107214137.428439-4-jingzhangos@google.com Signed-off-by: Oliver Upton <oliver.upton@linux.dev> 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.