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Benjamin Tissoires 22ed8d5a46 selftests/bpf: Add tests for kfunc returning a memory pointer 
We add 2 new kfuncs that are following the RET_PTR_TO_MEM
capability from the previous commit.
Then we test them in selftests:
the first tests are testing valid case, and are not failing,
and the later ones are actually preventing the program to be loaded
because they are wrong.

To work around that, we mark the failing ones as not autoloaded
(with SEC("?tc")), and we manually enable them one by one, ensuring
the verifier rejects them.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20220906151303.2780789-8-benjamin.tissoires@redhat.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-09-07 11:05:17 -07:00
..
bpf_dummy_struct_ops.c bpf, x86: Generate trampolines from bpf_tramp_links 2022-05-10 17:50:40 -07:00
Makefile bpf: Add dummy BPF STRUCT_OPS for test purpose 2021-11-01 14:10:00 -07:00
test_run.c selftests/bpf: Add tests for kfunc returning a memory pointer 2022-09-07 11:05:17 -07:00