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Florisn Westphal says: ==================== These are netfilter fixes for the *net* tree. First patch resolves a false-positive lockdep splat: rcu_dereference is used outside of rcu read lock. Let lockdep validate that the transaction mutex is locked. Second patch fixes a kdoc warning added in previous PR. Third patch fixes a memory leak: The catchall element isn't disabled correctly, this allows userspace to deactivate the element again. This results in refcount underflow which in turn prevents memory release. This was always broken since the feature was added in 5.13. Patch 4 fixes an incorrect change in the previous pull request: Adding a duplicate key to a set should work if the duplicate key has expired, restore this behaviour. All from myself. Patch #5 resolves an old historic artifact in sctp conntrack: a 300ms timeout for shutdown_ack. Increase this to 3s. From Xin Long. Patch #6 fixes a sysctl data race in ipvs, two threads can clobber the sysctl value, from Sishuai Gong. This is a day-0 bug that predates git history. Patches 7, 8 and 9, from Pablo Neira Ayuso, are also followups for the previous GC rework in nf_tables: The netlink notifier and the netns exit path must both increment the gc worker seqcount, else worker may encounter stale (free'd) pointers. ================ Signed-off-by: David S. Miller <davem@davemloft.net>
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.