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commit 2fae3129c0c08e72b1fe93e61fd8fd203252094a upstream. x86_android_tablet_remove() frees the pdevs[] array, so it should not be used after calling x86_android_tablet_remove(). When platform_device_register() fails, store the pdevs[x] PTR_ERR() value into the local ret variable before calling x86_android_tablet_remove() to avoid using pdevs[] after it has been freed. Fixes:5eba014120("platform/x86: x86-android-tablets: Add support for instantiating platform-devs") Fixes:e2200d3f26("platform/x86: x86-android-tablets: Add gpio_keys support to x86_android_tablet_init()") Cc: stable@vger.kernel.org Reported-by: Aleksandr Burakov <a.burakov@rosalinux.ru> Closes: https://lore.kernel.org/platform-driver-x86/20240917120458.7300-1-a.burakov@rosalinux.ru/ Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20241005130545.64136-1-hdegoede@redhat.com [Xiangyu: Modified file path to backport this commit to fix CVE: CVE-2024-49986] Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.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.