Ben Levinsky 5d1451cb2c remoteproc: xlnx: Only access buffer information if IPI is buffered
commit 38dd6ccfdf upstream.

In the receive callback check if message is NULL to prevent
possibility of crash by NULL pointer dereferencing.

Signed-off-by: Ben Levinsky <ben.levinsky@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Fixes: 5dfb28c257 ("remoteproc: xilinx: Add mailbox channels for rpmsg")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20260303235127.2317955-3-tanmay.shah@amd.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-05-17 17:13:28 +02:00
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2026-05-15 14:50:29 +02:00
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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.
S
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