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commit6408c40c39upstream. On 32-bit architectures, get_seconds() returns an unsigned 32-bit time value, which also matches the type used in the nft_meta code. This will not overflow in year 2038 as a time_t would, but it still suffers from the overflow problem later on in year 2106. Change this instance to use the time64_t type consistently and avoid the deprecated get_seconds(). The nft_meta_weekday() calculation potentially gets a little slower on 32-bit architectures, but now it has the same behavior as on 64-bit architectures and does not overflow. Fixes:63d10e12b0("netfilter: nft_meta: support for time matching") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.