selftests/bpf: Add selftests for bpf_task_from_pid()

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Add some selftest testcases that validate the expected behavior of the
bpf_task_from_pid() kfunc that was added in the prior patch.

Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20221122145300.251210-3-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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David Vernet 2022-11-22 08:53:00 -06:00 • committed by Alexei Starovoitov

parent 3f0e6f2b41

commit f471748b7f

4 changed files with 91 additions and 0 deletions

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4

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

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1

tools/testing/selftests/bpf/progs/task_kfunc_common.h

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13

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

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73

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

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