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chore(avm): ECC pre-audit gadget fuzzing #19739

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Merged
MirandaWood merged 1 commit into from
Jan 26, 2026
Merged

chore(avm): ECC pre-audit gadget fuzzing #19739

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5 changes: 3 additions & 2 deletions barretenberg/cpp/src/barretenberg/avm_fuzzer/harness/ecc.fuzzer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -167,7 +167,8 @@ extern "C" size_t LLVMFuzzerCustomMutator(uint8_t* data, size_t size, size_t max
}
case 2: {
// Set P to point at infinity
input.p.set_infinity();
// Note: using input.p.set_infinity() did not work here (input.p.is_point_at_infinity() == 0 afterwards)
input.p = AffinePoint::infinity();
break;
}
case 3: {
Expand Down Expand Up @@ -259,7 +260,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
EmbeddedCurvePoint scalar_mul_result;

try {
ecc.add(*mem, input.p, input.q, /* output_addr */ input.addresses[6]);
ecc.add(*mem, point_p, point_q, /* output_addr */ input.addresses[6]);
scalar_mul_result = ecc.scalar_mul(input.p, FF(uint256_t(input.scalar)));
} catch (std::exception& e) {
// info("Caught exception during ECC add: {}", e.what());
Expand Down
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