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[ Upstream commit 19e65c45a1507a1a2926649d2db3583ed9d55fd9 ] dm is netdev private data and it cannot be used after free_netdev() call. Using dm after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function. This is similar to the issue fixed in commitad297cd2db("net: qcom/emac: fix UAF in emac_remove"). This bug is detected by our static analysis tool. Fixes:cf9e60aa69("net: davicom: Fix regulator not turned off on driver removal") Signed-off-by: Chenyuan Yang <chenyuan0y@gmail.com> CC: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Link: https://patch.msgid.link/20250123214213.623518-1-chenyuan0y@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> 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.