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Takamitsu Iwai says: ==================== Introduce refcount_t for reference counting of rose_neigh The current implementation of rose_neigh uses 'use' and 'count' field of type unsigned short as a reference count. This approach lacks atomicity, leading to potential race conditions. As a result, syzbot has reported slab-use-after-free errors due to unintended removals. This series introduces refcount_t for reference counting to ensure atomicity and prevent race conditions. The patches are structured as follows: 1. Refactor rose_remove_neigh() to separate removal and freeing operations 2. Convert 'use' field to refcount_t for appropriate reference counting 3. Include references from rose_node to 'use' field These changes should resolve the reported slab-use-after-free issues and improve the overall stability of the ROSE network layer. v1: https://lore.kernel.org/20250820174707.83372-1-takamitz@amazon.co.jp ==================== Link: https://patch.msgid.link/20250823085857.47674-1-takamitz@amazon.co.jp Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| init | ||
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| README | ||
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.