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ebabdae52f
[ Upstream commit 40e2710860e57411ab57a1529c5a2748abbe8a19 ]
ACPICA commit 9061cd9aa131205657c811a52a9f8325a040c6c9
Errors in acpi_evaluate_object() can lead to incorrect state of buffer.
This can lead to access to data in previously ACPI_FREEd buffer and
secondary ACPI_FREE to the same buffer later.
Handle errors in acpi_evaluate_object the same way it is done earlier
with acpi_ns_handle_to_pathname.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Link: https://github.com/acpica/acpica/commit/9061cd9a
Fixes: 5fd033288a ("ACPICA: debugger: add command to dump all fields of particular subtype")
Signed-off-by: Nikita Kiryushin <kiryushin@ancud.ru>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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.