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[ Upstream commit04c350b1ae] The commit4057765f2d("sock: consistent handling of extreme SO_SNDBUF/SO_RCVBUF values") added a change to prevent underflow in setsockopt() around SO_SNDBUF/SO_RCVBUF. This patch adds the same change to _bpf_setsockopt(). Fixes:4057765f2d("sock: consistent handling of extreme SO_SNDBUF/SO_RCVBUF values") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20220104013153.97906-2-kuniyu@amazon.co.jp 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.