selftests/bpf: Add tests for kptr_ref refcounting

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Check at runtime how various operations for kptr_ref affect its refcount
and verify against the actual count.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220511194654.765705-5-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Kumar Kartikeya Dwivedi 2022-05-12 01:16:54 +05:30 • committed by Alexei Starovoitov

parent 04accf794b

commit 0ef6740e97

2 changed files with 128 additions and 5 deletions

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27

tools/testing/selftests/bpf/prog_tests/map_kptr.c

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106

tools/testing/selftests/bpf/progs/map_kptr.c

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