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The per-fd reset counter tracks GPU resets caused by jobs submitted through a specific file descriptor. However, there's a race condition where the file descriptor can be closed while jobs are still running, leading to potential access to freed memory when updating the reset counter. Ensure that the per-fd reset counter is only updated when the file descriptor is still valid, preventing use-after-free scenarios during GPU reset handling. Reviewed-by: Iago Toral Quiroga <itoral@igalia.com> Link: https://lore.kernel.org/r/20250826-v3d-queue-lock-v3-6-979efc43e490@igalia.com Signed-off-by: Maíra Canal <mcanal@igalia.com>
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 reStructuredText 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.