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d470b92593
[ Upstream commit 13210fc63f353fe78584048079343413a3cdf819 ]
All these cases cause imbalance between BIND and UNBIND calls:
- Delete an interface from a flowtable with multiple interfaces
- Add a (device to a) flowtable with --check flag
- Delete a netns containing a flowtable
- In an interactive nft session, create a table with owner flag and
flowtable inside, then quit.
Fix it by calling FLOW_BLOCK_UNBIND when unregistering hooks, then
remove late FLOW_BLOCK_UNBIND call when destroying flowtable.
Fixes: ff4bf2f42a ("netfilter: nf_tables: add nft_unregister_flowtable_hook()")
Reported-by: Phil Sutter <phil@nwl.cc>
Tested-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.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.