surjection: Fix read of uninitialized value in tests

2026-03-05 10:24:14 +01:00
parent c0a26a9c1b
commit 229e1f127a
1 changed files with 3 additions and 0 deletions
--- a/src/modules/surjection/tests_impl.h
+++ b/src/modules/surjection/tests_impl.h
@@ -438,6 +438,9 @@ static void test_bad_serialize(void) {
    size_t serialized_len;

    proof.n_inputs = 0;
+    memset(proof.used_inputs, 0, SECP256K1_SURJECTIONPROOF_MAX_N_INPUTS / 8);
+    memset(proof.data, 0, 32 * (1 + SECP256K1_SURJECTIONPROOF_MAX_USED_INPUTS));
+
    serialized_len = 2 + 31;
    /* e0 is one byte too short */
    CHECK(secp256k1_surjectionproof_serialize(CTX, serialized_proof, &serialized_len, &proof) == 0);