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I've seen two patch proposals now for helper additions that used ARG_PTR_TO_MEM or similar in reg_X but no corresponding ARG_CONST_SIZE in reg_X+1. Verifier won't complain in such case, but it will omit verifying the memory passed to the helper thus ending up badly. Detect such buggy helper function signature and bail out during verification rather than finding them through review. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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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.