selftests/bpf: Test for checking return code for the extended prog

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This adds test to enforce same check for the return code for the extended prog
as it is enforced for the target program. It asserts failure for a
return code, which is permitted without the patch in this series, while
it is restricted after the application of this patch.

Signed-off-by: Udip Pant <udippant@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200825232003.2877030-4-udippant@fb.com

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Udip Pant 2020-08-25 16:20:02 -07:00 • committed by Alexei Starovoitov

parent 6dc03dc713

commit 50d19736af

2 changed files with 59 additions and 0 deletions

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40

tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c

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19

tools/testing/selftests/bpf/progs/freplace_connect_v4_prog.c

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