selftests/bpf: Check overflow in optional buffer

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This ensures we still reject invalid memory accesses in buffers that are
marked optional.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Link: https://lore.kernel.org/r/20230506013134.2492210-4-drosen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Daniel Rosenberg 2023-05-05 18:31:32 -07:00 • committed by Alexei Starovoitov

parent 1ce33b6c84

commit 3881fdfed2

1 changed files with 20 additions and 0 deletions

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

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