selftests/bpf: Add arena test case for 4Gbyte corner case

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Check that 4Gbyte arena can be allocated and overflow/underflow access in
the first and the last page behaves as expected.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20240315021834.62988-5-alexei.starovoitov@gmail.com

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Alexei Starovoitov 2024-03-14 19:18:34 -07:00 • committed by Andrii Nakryiko

parent 9a2d5a966b

commit a90c5845db

2 changed files with 70 additions and 0 deletions

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

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68

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

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