selftests/bpf: Add cmp_map_pointer_with_const test

Add a test for CONST_PTR_TO_MAP comparison with a non-0 constant. A
BPF program with this code must not pass verification in unpriv.

Signed-off-by: Ihor Solodrai <isolodrai@meta.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250609183024.359974-3-isolodrai@meta.com
1 file changed