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Martin KaFai Lau says: ==================== This series ensures the line_info (passed by the userspace during bpf_prog_load) cannot have its line_info.insn_off pointing to a zero bpf insn code. F.e. a broken userspace tool might generate a line_info.insn_off that points to the second 8 bytes of a BPF_LD_IMM64. The first patch is the kernel change. The second patch is a new test case. ==================== Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@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.