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Use helper bpf_redirect_map() and bpf_redirect_map_multi() to test bpf
arg ARG_CONST_MAP_PTR and ARG_CONST_MAP_PTR_OR_NULL. Make sure the map arg could be verified correctly when it is NULL or valid map pointer. Add devmap and devmap_hash in struct bpf_test due to bpf_redirect_{map, map_multi} limit. Test result: ]# ./test_verifier 702 705 #702/p ARG_CONST_MAP_PTR: null pointer OK #703/p ARG_CONST_MAP_PTR: valid map pointer OK #704/p ARG_CONST_MAP_PTR_OR_NULL: null pointer for ex_map OK #705/p ARG_CONST_MAP_PTR_OR_NULL: valid map pointer for ex_map OK Summary: 4 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Hangbin Liu <[email protected]> --- v2-v11: no update --- tools/testing/selftests/bpf/test_verifier.c | 22 +++++- .../testing/selftests/bpf/verifier/map_ptr.c | 70 +++++++++++++++++++ 2 files changed, 91 insertions(+), 1 deletion(-)
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