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[ Upstream commit82a01ab35b] We missed that tcp_gso_segment() was assuming skb->len was smaller than 65535 : oldlen = (u16)~skb->len; This part came with commit0718bcc09b("[NET]: Fix CHECKSUM_HW GSO problems.") This leads to wrong TCP checksum. Adapt the code to accept arbitrary packet length. v2: - use two csum_add() instead of csum_fold() (Alexander Duyck) - Change delta type to __wsum to reduce casts (Alexander Duyck) Fixes:09f3d1a3a5("ipv6/gso: remove temporary HBH/jumbo header") Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Alexander Duyck <alexanderduyck@fb.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20230605161647.3624428-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.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.