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Daniel Borkmann ceb65eb600 selftests/bpf: Add test coverage for reg_set_min_max handling
Add a test case for the jmp32/k fix to ensure selftests have coverage.

Before fix:

  # ./vmtest.sh -- ./test_progs -t verifier_or_jmp32_k
  [...]
  ./test_progs -t verifier_or_jmp32_k
  tester_init:PASS:tester_log_buf 0 nsec
  process_subtest:PASS:obj_open_mem 0 nsec
  process_subtest:PASS:specs_alloc 0 nsec
  run_subtest:PASS:obj_open_mem 0 nsec
  run_subtest:FAIL:unexpected_load_success unexpected success: 0
  #492/1   verifier_or_jmp32_k/or_jmp32_k: bit ops + branch on unknown value:FAIL
  #492     verifier_or_jmp32_k:FAIL
  Summary: 0/0 PASSED, 0 SKIPPED, 1 FAILED

After fix:

  # ./vmtest.sh -- ./test_progs -t verifier_or_jmp32_k
  [...]
  ./test_progs -t verifier_or_jmp32_k
  #492/1   verifier_or_jmp32_k/or_jmp32_k: bit ops + branch on unknown value:OK
  #492     verifier_or_jmp32_k:OK
  Summary: 1/1 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/r/20240613115310.25383-3-daniel@iogearbox.net
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
History 2024-06-13 11:16:01 -07:00
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README

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 reStructuredText 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.