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We use skb_availroom to calculate the skb tailroom for the ESP trailer. skb_availroom calculates the tailroom and subtracts this value by reserved_tailroom. However reserved_tailroom is a union with the skb mark. This means that we subtract the tailroom by the skb mark if set. Fix this by using skb_tailroom instead. Fixes:cac2661c53("esp4: Avoid skb_cow_data whenever possible") Fixes:03e2a30f6a("esp6: Avoid skb_cow_data whenever possible") Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.