selftests/bpf: Test bpf_kptr_xchg stashing into local kptr

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Test stashing both referenced kptr and local kptr into local kptrs. Then,
test unstashing them.

Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com>
Signed-off-by: Amery Hung <amery.hung@bytedance.com>
Link: https://lore.kernel.org/r/20240813212424.2871455-6-amery.hung@bytedance.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Dave Marchevsky 2024-08-13 21:24:24 +00:00 • committed by Alexei Starovoitov

parent b0966c7245

commit 91c96842ab

2 changed files with 53 additions and 3 deletions

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30

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

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26

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

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